N3804A5 - Stapler METABO - Free user manual and instructions
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| Brand | Metabo |
| Model | N3804A5 |
| Product Type | Pneumatic Stapler |
| Dimensions (L × H × W) | 263 mm × 235 mm × 76 mm |
| Weight | 1.2 kg |
| Power Source | Compressed air (pressure 70–120 psi, 4.9–8.3 bar) |
| Magazine Capacity | 100 staples |
| Compatible Staple Type | 18-gauge 1/4-inch crown finish staples |
| Air Consumption | 0.025 ft³/cycle (0.73 l/cycle) at 100 psi |
| Trigger Modes | Single sequential and contact (switchable) |
| Main Functions | Pneumatic stapling, depth adjustment, integrated air duster, hanging hook, protective nose cap |
| Safety | Safety glasses mandatory; disconnect air hose before maintenance; do not use oxygen or combustible gases |
| Maintenance and Cleaning | Lubricate with Metabo HPT pneumatic tool oil; clean filter and drain compressor daily |
| Spare Parts and Repairability | Parts available from Metabo HPT authorized service center; repairs by qualified personnel |
| General Information | Professional stapler for furniture, doors, windows, etc. |
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USER MANUAL N3804A5 METABO
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Technical line drawing of a sewing machine (no text or symbols)DANGER
Improper use of this Stapler can result in death or serious injury! This Manual contains important information about product safety. Read and understand this Manual before operating the Stapler. Never allow anyone who has not reviewed this manual to use the tool. This manual should be stored in safe place.
DANGER
IMPORTANT SAFETY INFORMATION
Read and understand tool labels and all of the operating instructions, safety precautions and warnings in this manual before operating or maintaining this Stapler.
Failure to follow warnings could result in DEATH or SERIOUS INJURY.
Most accidents that result from the operation and maintenance of Staplers are caused by the failure to observe basic safety rules or precautions. An accident can often be avoided by recognizing a potentially hazardous situation before it occurs, and by observing appropriate safety procedures.
Basic safety precautions are outlined in the “SAFETY” section of this Manual and in the sections which contain the operation and maintenance instructions.
Hazards that must be avoided to prevent bodily injury or machine damage are identified by DANGERS and WARNINGS on the Stapler and in this Manual.
NEVER use this Stapler for applications other than those specified in this Manual.
DEFINITIONS OF SIGNAL WORDS
DANGER indicates an imminently hazardous situation which, if not avoided, will result in death or serious injury.
WARNING indicates a potentially hazardous situation which, if not avoided, could result in death or serious injury.
CAUTION indicates a potentially hazardous situation which, if not avoided, may result in minor or moderate injury, or may cause machine damage.
NOTE emphasizes essential information.
EXPLANATION OF THE STAPLING ACTION OF THE metabo HPT STAPLER
○ SINGLE SEQUENTIAL ACTUATION MECHANISM:
First, press the push lever against the wood; next, pull the trigger to drive the fastener.
After stapling once, stapling will not be possible again until the Trigger is released and pressed again.
O CONTACT ACTUATION MECHANISM:
First, press the push lever against the wood; next, pull the trigger to drive the fastener.
First, pull the trigger; next, press the push lever against the wood to drive the fastener.
If the Trigger is held back, a fastener will be driven each time the Push Lever is pressed against the wood.
* At shipment, this product is locked for SINGLE SEQUENTIAL ACTUATION.
See "METHODS OF OPERATION" on how to switch between mechanisms.
SAFETY
IMPORTANT SAFETY INSTRUCTIONS-FOR USING STAPLERS
INSTRUCTIONS PERTAINING TO A RISK OF FIRE, ELECTRIC SHOCK, OR INJURY TO PERSONS
General
To reduce the risks of electric shock, fire, and injury to persons, READ ALL THE INSTRUCTIONS BEFORE USING THE TOOL.
DANGER
1. OPERATORS AND OTHERS IN WORK AREA MUST WEAR EYE PROTECTION (SAFETY GLASSES WITH SIDE SHIELDS).
When operating the Stapler, always wear safety glasses with side shields, and make sure others in work area wear safety glasses, too.
Safety glasses must conform to the requirements of American National Standards Institute, ANSI Z87.1 and provide protection against fl ying particles both from the front and side.
Ordinary eyeglasses do not provide adequate protection.
The employer must enforce the use of safety glasses by the Stapler operator and others in work area.
2. NEVER USE REACTIVE GASES OR OTHER BOTTLED GASES. EXPLOSION MAY OCCUR.
Never use such as oxygen, combustible gases or any other bottled gases as a power source for the Stapler.
Use of the above gases is dangerous, as the Stapler will explode.
Use only clean, dry, regulated compressed air.
WARNING
3. NEVER POINT TOOL AT YOURSELF OR OTHERS IN WORK AREA.
Always assume that the Stapler contains fasteners.
Never point the Stapler toward yourself or others, whether it contains fasteners or not.
If fasteners are mistakenly driven, it can lead to severe injuries.
Never engage in horseplay with the Stapler.
Respect the Stapler as a working implement.
4. DO NOT PLACE FINGER ON TRIGGER AND KEEP FINGERS AWAY FROM TRIGGER WHEN NOT DRIVING FASTENERS TO AVOID ACCIDENTAL DISCHARGE.
Never carry the Stapler with finger on Trigger since you could drive a fastener unintentionally and injure yourself or someone else.
Always carry the Stapler by the handle only.
5. KNOW AND UNDERSTAND WHAT TRIGGER SYSTEM YOU ARE USING.
Read and understand section titled "METHODS OF OPERATION." (pages 15 – 17)
6. DO NOT MAKE CONTACT WITH SAFETY TIP (PUSH LEVER) WHEN NOT DRIVING FASTENERS.
SAFETY — Continued
WARNING
When using tools, basic precautions should always be followed, Including the following:
1. Work area
(1) Keep the work area clean and well lighted.
Cluttered benches and dark areas increase the risks of electric shock, fire, and injury to persons.
(2) Do not operate the Stapler in explosive atmospheres, such as in the presence of fl ammable liquids, gases, or combustible dust.
The Stapler is able to create sparks resulting in the ignition of the dust or fumes.
(3) Keep bystanders, children, and visitors away while operating the Stapler. Distractions are able to result in the loss of control of the Stapler.
2. Personal safety
(1) Stay alert. Focus on your work and use common sense when working with the Stapler. Do not use the Stapler while tired, after having consumed drugs or alcohol, or while under the influence of medication.
A moment of inattention while operating the Stapler increases the risk of injury to persons.
(2) Dress properly. Do not wear loose clothing or jewelry. Contain long hair. Keep hair, clothing, and gloves away from moving parts.
Loose clothes, jewelry, or long hair increases the risk of injury to persons as a result of being caught in moving parts.
(3) Avoid unintentional starting. Be sure the switch is off before connecting to the air supply. Do not carry the Stapler with your finger on the switch or connect the Stapler to the air supply with the switch on.
(4) WARNING - Disconnect the Stapler from the air source before making adjustments, doing Stapler maintenance, clearing jams, touching the Push Lever, attaching or removing the nose cap, when not in use, leaving work area, leaving the Stapler outside of the operator's supervision or control, loading, or unloading the Stapler, handing it to another person, elevating, lowering or otherwise moving the Stapler to a new location. Never attempt to clear a jam or repair the Stapler unless you have disconnected air hose from the Stapler and removed all remaining fasteners
from the Stapler. The Stapler should never be left unattended since people who are not familiar with the Stapler might handle it and injure the themselves.
Such precautionary measures reduce the risk of injury to persons.
(5) Do not overreach. Keep proper footing and balance at all times. Proper footing and balance enables better control of the Stapler in unexpected situations.
(6) Use safety equipment. A dust mask, non-skid safety shoes and a hard hat must be used for the applicable conditions.
(7) WARNING – Risk of hearing loss. Wear hearing protection. Hearing protection shall have a Noise Reduction Rating (NRR) determined in accordance with US Environmental Protection Agency rules that is appropriate for noise exposure.
(8) Always wear head protection. Always wear head protection to protect your head from fl ying objects.
(9) Do not attach the hose or Stapler to your body. Attach the hose to the structure to reduce the risk of loss of balance if the hose shifts.
(10) WARNING - Drive Staples into proper work surface only. Do not drive staple into other staples. This is able to cause the fastener to be deflected and hit someone, or cause the Stapler to react and result in a risk of injury to persons.
3. Stapler use and care
(1) Use clamps or another practical way to secure and support the workpiece to a stable platform. Holding the work by hand or against the body is unstable and is able to lead to loss of control.
(2) Do not force the Stapler. Use the correct Stapler for the application. The correct Stapler will do the job better and safer at the rate for which the Stapler is designed.
SAFETY — Continued
WARNING
(3) Do not use the Stapler if the switch does not turn 4. the Stapler on or off. Any Stapler that cannot be controlled with the switch is dangerous and must be repaired. (1)
Never use Stapler which is defective or operating abnormally. If the Stapler appears to be operating unusually, making strange noises, or otherwise appears defective, stop using it immediately and arrange for repairs by a metabo HPT authorized service center.
(4) Disconnect the Stapler from the air source before making any adjustments, changing accessories, or storing the Stapler. Such preventive safety measures reduce the risk of starting the Stapler unintentionally.
(5) Store the Stapler when it is idle out of reach of children and other untrained persons. A Stapler is dangerous in the hands of untrained users.
(6) Maintain the Stapler with care. Keep the Stapler Clean and lubricated for better and safer performance.
(7) Check for misalignment or binding of moving parts, breakage of parts, and any other condition that may affect the Stapler's operation.
If damaged, have the Stapler serviced before using.
Because of high air pressure in the Stapler, cracks in the surface are dangerous. To avoid this, do not drop the Stapler or strike the Stapler against hard surfaces; and do not scratch or engrave signs on the Stapler. Many accidents are caused by poorly maintained Staplers. There is a risk of bursting if the Stapler is damaged.
(8) Do not use the Stapler that is not in proper working order. Tags and physical segregation shall be used for control.
(9) Use only accessories that are identified by metabo HPT for the specific Stapler. Use of an accessory not intended for use with the specific Stapler, increases the risk of injury to persons.
(10) Use only those fasteners listed in the Accessories section of this manual. Fasteners not identified for use with this Stapler by metabo HPT are able to result in a risk of injury to persons or Stapler damage when used in this Stapler.
4. Service
(1) Tool service must be performed only by qualified repair personnel.
(2) When servicing a Stapler, use only identical replacement parts. Use only authorized parts.
(3) Use only the lubricants supplied with the Stapler or specified by metabo HPT.
5. Air source
(1) Never connect to an air source that is capable of exceeding 200 psi (13.7 bar 14 kgf/cm ^2 ) if a regulator fails.
Over pressurizing the Stapler is able to result in bursting, abnormal operation, breakage of the Stapler or serious injury to persons.
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120 psi 120 psiDO NOT EXCEED 120 psi (8.3 bar 8.5 kgf/cm2).
Use only clean, dry, regulated compressed air at the rated pressure or within the rated pressure range as marked on the Stapler.
Always verify prior to using the Stapler that the air source has been adjusted to the rated air pressure or within the rated air-pressure range.
(2) Never use reactive gases such as oxygen, carbon dioxide, combustible gases or any bottled gas as an air source for the Stapler. Such gases are capable of explosion and serious injury to persons.
6. Others
(1) Before starting work, check the stapling operation switching device.
This metabo HPT stapler includes a stapling operation switching device.
Before starting work, check the setting of the operation switching device.
If the switching device is not set properly, the Stapler will not operate correctly.
(2) Always select the switching device that is appropriate to the application and the training of the operator.
SAFETY — Continued
WARNING
(3) When switching between SINGLE SEQUENTIAL and CONTACT, disconnect the air hose and remove all staples.
(4) When the hook is attached, operate only with SINGLE SEQUENTIAL ACTUATION MECHANISM and not with CONTACT ACTUATION MECHANISM.
(5) Be careful of double fi re and being hit by the Stapler due to spring back ("recoil"). After driving a staple, the Stapler may recoil causing it to move away from the work surface.
To reduce risk of injury always manage recoil by:
1) always maintaining control of the Stapler.
2) allowing recoil to move the Staple work surface.
3) not resisting recoil such that the Stapler will be forced back into the work surface. In "CONTACT ACTUATION MECHANISM", if push lever is allowed to re-contact work surface before the trigger is released, an unintended discharge of a staple will occur. In order to avoid this undesirable double fire,
○ Intermittent operation (Trigger fire)
① Set the switching device to SINGLE SEQUENTIAL ACTUATION MECHANISM.
② Pull the trigger rapidly and firmly.
○ Continuous operation (Push lever fire)
① Set the switching device to CONTACT ACTUATION MECHANISM.
② Do not press the Stapler against the wood with excessive force.
③ Separate the Stapler from the wood as it recoils after stapling
4) keeping face and body parts away from the Stapler.
(6) Never Use NON relieving coupler on Stapler. If a non relieving coupler is used on the Stapler, the Stapler can remain charged with air after disconnecting and thus will be able to drive a fastener even after disconnecting. The Stapler and air hose must have a hose coupling such that all pressure is removed from the Stapler when the coupling joint is disconnected.
(7) Check Push Lever before use. Make sure the Push Lever operates properly, and is not inoperable, disconnected, or altered. (The Push Lever may be called "Safety".) Never use the Stapler unless the Push Lever is operating properly, otherwise the Stapler could drive a fastener unexpectedly. Do not tamper with or remove the Push Lever, or otherwise cause the Push Lever to become inoperable.
(8) Keep all screws and covers tightly in place. Keep all screws and covers tightly mounted.
Check their condition periodically. Never use the Stapler if parts are missing or damaged.
(9) Do not load fasteners with Trigger or Push Lever to be depressed. When loading fasteners into the Stapler or when connecting the air hose,
1) do not depress the Trigger;
2) do not depress the Push Lever; and
3) keep the Stapler pointed downward.
(10) Keep hands and body away from firing head during use. Never place your hands or feet closer than 8 inches (200 mm) from the firing head. A serious injury can result if the fasteners are deflected by the workpiece, or are driven away from the point of entry.
(11) When working close to an edge of a workpiece or at steep angles, or driving fasteners into thin workpiece use care to minimize chipping, splitting or splintering, or free flight, ricochet or piercing of fasteners, which may cause injury.
(12) Never drive fasteners from both sides of a wall at the same time. The fasteners can be driven into and through the wall and hit a person on the opposite side.
(13) Use extra caution when driving the Stapler into existing walls or other blind areas to prevent contact with hidden objects or persons on other side (eg., wires, pipes).
(14) Check for live wires. Avoid the risk of severe electrical shock by checking for live electrical wires that may be hidden by walls, floors or ceilings. Turn off the breaker switch to ensure there are no live wires.
(15) Do not lift, pull or lower the Stapler by the hose.
SAFETY — Continued
(16) Do not disconnect air hose from Stapler with finger on Trigger. The Stapler can fire when reconnected to An air supply.
(17) Handle Stapler correctly. Operate the Stapler according to this Manual. Never allow the Stapler to be operated by children, individuals unfamiliar with its operation or unauthorized personnel.
(18) Never use Stapler for applications other than those specified in this manual.
(19) Never modify or alter a Stapler. Doing so may cause it to malfunction and personal injuries may result.
(20) Disconnect the air hose when affixing the hook.
(21) Do not affix the hook on high or unstable locations. Also, do not affix it to the body, clothing, belt or other personal items.
RESPONSIBILITIES OF EMPLOYER, TOOL OWNER AND TOOL OPERATOR
- Ensure that this MANUAL is available to operators and personnel performing maintenance.
- Select an appropriate switching device considering the applications for which the Stapler is used.
- Train the operator in the safe use of the Stapler as described in this MANUAL.
- Ensure that only persons who have read and understand this MANUAL operate the Stapler.
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Ensure that Staplers are used only when operators and others in work area are wearing EYE PROTECTION, and other appropriate personal protective equipment such as HEAD, HEARING, FOOT PROTECTION.
-
Enforce the use of EYE PROTECTION by operators and others in work area.
- Ensure that Staplers are kept in safe working order as described in this MANUAL.
- Maintain Staplers properly.
- Ensure that only qualified personnel Staplers.
- Ensure that Staplers that require repair are removed from service and that tags and physical segregation are used as a means of control.
SAVE THIS MANUAL AND KEEP IT AVAILABLE FOR OTHERS!
OPERATION
NOTE: The information contained in this Manual is designed to assist you in the safe operation of the Stapler.
Some illustrations in this Manual may show details or attachments that differ from those on your own Stapler.
NAME OF PARTS
Enlarged view of the valve part
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TriggerSwitching device
| Stapling operation switching device | |
ward position ____ing deviceSINGLE SEQUENTIALACTUATION MECHANISM(Switching device: upwardposition) |  ____ing deviceCONTACT ACTUATIONMECHANISM(Switching device: downwardposition) |
● When the screw is attached, the tool is fixedto SINGLE SEQUENTIAL ACTUATION.● To operate in CONTACT ACTUATION, the screw should be removed by following the steps in “How to Remove the screw” providedin the “METHODS OF OPERATION”.  Screw | |
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Piston Top cover Blow nozzle knob Valve part Body Air plug Exhaust cover Piston O-ring Driver blade Trigger Adjuster Hook Lock lever Guide plate Firing head (Outlet) Staple feeder Ribbon spring Push lever Magazine Feeder stopperSPECIFICATIONS
| Operating pressure 70 – 120 psi (4.9 – 8.3 bar 5 – 8.5 kgf/cm) | |
| DimensionsLength × Height × Width | 10-11/32" × 9-1/4" × 3"(263 mm × 235 mm × 76 mm) |
| Weight 2.7 lbs. (1.2 kg) | |
| Magazine capacity 100 Staples | |
| Air consumption | .025 ft3/cycle at 100 psi(.73 ltr/cycle at 6.9 bar)(.73 ltr/cycle at 7 kgf/cm2) |
STAPLE SELECTION
WARNING
- Be sure to use only the genuine metabo HPT staples for the N3804A5. The use of any other staples can result in tool malfunction and/or staple breakdown, leading to serious injuries.
Only staples shown in the Table below can be driven with this Stapler.
Dimensions of staples
| Finish staples 18 gauge 18 Gauge 1/4" Crown | ||
 | Min. Max. | |
 |  | |
ACCESSORIES
WARNING
● Accessories other than those shown below can lead to malfunction and resulting injuries.
STANDARD ACCESSORIES
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Diagram showing three types of eyewear accessories with numbered labels: head, side sink, and bag.① Safety glasses ....1
② Nose cap (mounted on tool)....1
③ Tool Bag 1
OPTIONAL ACCESSORIES
... sold separately
○ Pneumatic Tool Lubricant
1 oz. (30 cc) oil feeder (Code No.877153)
4 oz. (120 cc) oil feeder (Code No.874042)
1 quart (1 ltr) can (Code No.876212)
NOTE: Accessories are subject to change without any obligation on the part of metabo HPT.
APPLICATIONS
○ Making cases for furniture
○ Creating walls and other areas in mobile homes.
○ Making doors and windows for home construction.
BEFORE OPERATION
Read section titled "SAFETY" (pages 3 – 7).
Make sure of the following before operation.
WORKING ENVIRONMENT
WARNING
- No flammable gas, liquid or other flammable objects at worksite.
● Clear the area of children or unauthorized personnel.
AIR SUPPLY
DANGER
● NEVER use oxygen or other bottled gases. Explosion may occur.
WARNING
-
Never connect Stapler to pressure which potentially exceeds 200 psi (13.7 bar 14 kgf/cm ^2 ) if a regulator fails.
● Never use non relieving coupler on Stapler. -
Power source
○ Use only clean, dry, regulated compressed air as a power source for this Stapler.
Air compressors used to supply compressed air to this Stapler must comply with the requirements of the latest version of ANSI Standard B 19.3 "Safety Standard For Compressors For Process Industries."
○ Moisture or oil in the air compressor may accelerate wear and corrosion in the Stapler.
Drain daily.
- Filter-Regulator-Lubricator
○ Use a regulator with a pressure range of 0 – 120 psi (0 – 8.3 bar 0 – 8.5 kgf/cm ^2 ).
○ Filter-regulator-lubricator units supply an optimum condition for the Stapler and extend the Stapler life. These units should always be used.
Filter ....The filter removes moisture and dirt mixed in compressed air.
Drain daily unless fitted with an automatic drain.
Keep the maintenance.
fi lter
Regulator.....The regulator controls the operating pressure for safe operation of the Stapler.
Inspect the regulator before operation to be sure it operates properly.
Lubricator .....The lubricator supplies an oil mist to the Stapler.
Inspect the lubricator before operation to be sure the supply of lubricant is adequate. Use metabo HPT pneumatic tool lubricant.
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Regulator Stapler Side Compressor Side Lubricator Filter- Air hose
Compressed air supply hoses shall have a minimum working pressure rating equal to or greater than the pressure from the power source if a regulator fails, or 150 psi (10.4 bar 10.6 kgf/cm ^2 ), whichever is greater.
- Air consumption
Using the Air consumption table and the Air compressor size formula, find a correct compressor size.
Air consumption table
| Operating pressure | psi(bar)(kgf/cm2) | 80(5.5)(5.6) | 90(6.2)(6.3) | 100(6.9)(7) |
| Air consumption | ft3/cycle(ltr/cycle) | .019(.55) | .023(.64) | .025(.73) |
Air compressor size formula
Amount of air required
=number of Staplers
× average staples driven each minute per Stapler
× air consumption at given air pressure
× safety factor (always 1.2)
Example: 3 Staplers (N3804A5) operating at 100 psi driving 30 staples per minute
Amount of air required
=3×30×.025(.73)×1.2
=2.7 CFM (ft ^3 /min) (78.8 ltr/min)
After making the calculations as shown above, you should find a compressor providing 2.7 CFM of air that is required.
LUBRICATION
It is important that the Stapler be properly lubricated.
Without proper lubrication, the Stapler will not work properly and parts will wear prematurely.
○ Use metabo HPT pneumatic tool lubricant.
Do not use detergent oil or additives. These lubricants will harm the O-rings and other rubber parts. This will cause the Stapler to malfunction.
○ Filter-regulator-lubricator units should always be used.
Keep the lubricator filled with metabo HPT pneumatic tool lubricant.
☐ If a lubricator is not available, supply 5 – 10 drops of metabo HPT pneumatic tool lubricant into the air plug on the Stapler twice a day.
COLD WEATHER CARE
○ Do not store the Stapler in a cold weather environment.
Keep the Stapler in a warm area until beginning the work.
○ If the Stapler is already cold, bring it in a warm area and allow the Stapler to warm up before use.
① Reduce the air pressure to 70 psi (4.9 bar 5.0 kgf/cm ^2 ).
② Remove all staples from the Stapler.
③ Connect the air hose and free-fire (blank-fire) the Stapler.
The lowered air pressure will be enough to free-fire the Stapler.
Slow speed operation tends to warm up the moving part.
CAUTION
- Do not free-fire the Stapler at high pressure.
TESTING THE STAPLER
DANGER
- Operators and others in work area MUST wear safety glasses with side shields which conforms to ANSI Z87.1 specifications.
Ordinary eyeglasses provide adequate protection.
WARNING
● Never use Stapler unless push lever is operating properly.
Before actually beginning the stapling work, test the Stapler by using the checklist below. Conduct the tests in the following order.
If abnormal operation occurs, stop using the Stapler and contact a metabo HPT authorized service center immediately.
(1) DISCONNECT AIR HOSE FROM STAPLER. REMOVE ALL STAPLES FROM STAPLER.
☐ ALL SCREWS MUST BE TIGHTENED. If any screws are loose, tighten them.
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Line drawing of a hand operating a sewing machine (no text or symbols present)☐ THE PUSH LEVER AND TRIGGER MUST MOVE SMOOTHLY.
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Trigger Push lever Do not connect air hose(2) REMOVE ALL STAPLES FROM STAPLER.
DO NOT push or rest Push Lever against any surface. DO NOT FORCE OR USE TOOLS TO OPERATE SWITCH.
Set the switching device to the upward position (to set to SINGLE SEQUENTIAL ACTUATION MECHANISM).
(Set the switching device to the upward position completely as shown in the diagram. Otherwise, it will not operate properly.)
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Upward position Switching device(3) Adjust the air pressure to 70 psi (4.9 bar 5 kgf/cm2). Connect the air hose.
☐ THE STAPLER MUST NOT LEAK AIR.
(4) Remove the finger from the trigger and press the push lever against the workpiece.
☐ THE STAPLER MUST NOT OPERATE.
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Do not pull trigger Depress push lever(5) Separate the push lever from the workpiece. Next, point the stapler downward, pull the trigger and then wait in that position for 5 seconds or longer.
☐ THE STAPLER MUST NOT OPERATE.
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Pull trigger(6) First pull the Trigger.
Next, depress the Push Lever against the wood.
☐ THE STAPLER MUST NOT OPERATE.
(7) ① Without touching the trigger, depress the push lever against the workpiece.
Next, pull the trigger.
If the screw is left, skip (8) through (10) and proceed from (11).
→ If the screw is attached, the unit can be operated in SINGLE SEQUENTIAL ACTUATION MECHANISM.
(8) Disconnect the air hose.
REMOVE ALL STAPLES FROM STAPLER.
Remove the hook if it is attached.
→ When the hook is attached, do not operate with CONTACT ACTUATION MECHANISM.
DO NOT push or rest Push Lever against any surface.
DO NOT FORCE OR USE ANY TOOLS TO OPERATE SWITCH.
Set the switching device to the downward position (CONTACT ACTUATION MECHANISM).
(Set the switching device to the downward position completely as shown in the diagram. Otherwise, it will not operate properly.)
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Downward position Switching device(9) Adjust air pressure to 70 psi (4.9 bar 5 kgf/cm ^2 ). Connect the air hose.
☐ THE STAPLER MUST NOT LEAK AIR.
(10) With the Stapler off the workpiece, pull the Trigger. Next, depress the Push Lever against the workpiece.
(11) Next, depress the Push Lever against the workpiece. Now pull the Trigger.
(12) If no abnormal operation is observed, you may load staples in the Stapler.
Drive staples into the workpiece that is the same type to be used in the actual application.
☐ THE STAPLER MUST OPERATE PROPERLY.
ADJUSTING AIR PRESSURE
WARNING
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120 psi 120 psi- Do not exceed 120 psi (8.3 bar 8.5 kgf/cm ^2 ).
Adjust the air pressure at recommended operating pressure 70 - 120 psi (4.9 - 8.3 bar 5 - 8.5 kgf/cm²) according to the length of staples and the hardness of workpiece.
The correct air pressure is the lowest pressure which will do the job. Using the Stapler at a higher than required air pressure unnecessarily over stresses the Stapler.
LOADING STAPLES
WARNING
● When loading staples into Stapler,
1) do not pull trigger;
2) do not depress push lever; and
3) keep Stapler pointed downward.
(1) Pull the staple feeder backward, and confirm that the feeder stopper is securely lodged in the feeder stopper hole on the staple feeder.
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Feeder stopper Staple feeder(2) Place the staple strip over the magazine. Make sure that the staple strip slides freely (magazine.
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Staple Magazine(3) Pull the staple feeder backward slightly, and press in the feeder stopper. Push the staple feeder forward. Gently set the staple feeder to the back of the loaded staples.
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Feeder stopper ① ② ③ Staple feederThe Stapler is now ready to operate.
CAUTION
If the staple feeder is released all of a sudden, it can return abruptly, causing deformation and/or scatter, eventually ending up in clogged staples. Be absolutely sure to bring bac feeder, avoiding any impact.
STAPLER OPERATION
Read section titled "SAFETY"(pages 3 – 7).
⚠️ DANGER
- Operators and others in work area MUST wear safety glasses with side shields which conforms to ANSI Z87.1 specifications. Ordinary eyeglasses provide adequate protection.
WARNING
- Only person who have read and understand this MANUAL should operate the Stapler. - NEVER point tool at yourself or others in work area.
- Keep fi ngers AWAY from trigger when not driving staples to avoid accidental discharge.
● Know and understand what trigger system you are using.
Please read and understand "METHODS OF OPERATION" found below.
- Inspect the Stapler before operating to determine actuation system. Before starting work, check the stapling operation switching device.
This metabo HPT stapler includes a stapling operation switching device.
Before starting work, make switching device is properly set.
If the switching device is not set properly, the stapler will not operate correctly.
● Never place your hands or body closer than 8 inches (200 mm) from fi ring head when using.
- Do not drive staples into other staples; staples can ricochet and hurt someone.
- Do not actuate Stapler unless Stapler is placed firmly against the workpiece.
- In order to avoid double fire or unwanted ejection of a staple due to bouncing of the Stapler.
1) do not push Stapler on workpiece with strong force;
2) take Stapler away from workpiece using recoil;
3) release trigger quickly when performing trigger fi re.
- When working close to an edge of a workpiece or at steep angles, or driving fasteners into thin workpiece use care to minimize chipping, splitting or splintering, or free fl ight, ricochet or piercing of fasteners, which may cause injury.
● Never drive staples from both sides of a wall at the same time. Staples can be driven into and through the wall and hit a person on the opposite side.
● Never use Stapler which is defective or d operating abnormally. - Do not use the body or any portion of the tool as a hammer as nails may be discharged unexpectedly or the tool may become damaged and serious injury could occur.
● Disconnect air hose from Stapler when:
1) it is not in use;
2) leaving work area;
3) elevating, lowering or otherwise moving it to another location;
4) handing it to another person;
5) removing the screw;
6) changing switching device;
7) performing any maintenance or repairs;
8) clearing a jam;
9) Stapler is outside of the operator's supervision or control;
10) removing staples from the magazine;
11) adjusting stapling depth;
12) attaching or removing the nose cap; and
13) turning the top cover;
e4) tinstatling oreremoving the hook; and
15) affixing the hook.
This metabo HPT stapler is equipped with a stapler operation switching device.
Use SINGLE SEQUENTIAL ACTUATION MECHANISM or CONTACT ACTUATION MECHANISM in accordance with the work to be performed.
Explanation of the various stapling operations
○ SINGLE SEQUENTIAL ACTUATION MECHANISM: First, press the push lever against the workpiece; next, pull the trigger to drive the staple.
After stapling once, stapling will not be possible again until the trigger is released and pressed again.
- CONTACT ACTUATION MECHANISM: First, press the push lever against the workpiece; next, pull the trigger to drive the staple. Or, pull the trigger; next, press the push lever against the workpiece to drive the staple.
If the trigger is held back, a staple will be driven each time the push lever is pressed against the workpiece.
METHODS OF OPERATION
This Stapler is equipped with the push lever and does not operate unless the push lever is depressed (upward position).
There are two methods of operation to drive staples with this Stapler.
They are:
- Intermittent operation (Trigger fi re):
- Continuous operation (Push lever fire):
How to Remove the screw
- When shipped, the tool's drive mode to S I N G L E S E MECHANISM with the screw.
- By removing the screw as shown below, the tool can be switched between SINGLE SEQUENTIAL ACTUATION and CONTACT ACTUATION.
WARNING
- When removing the screw, disconnect the air hose from the tool and remove all staples.
- Please be warned that the once the screw is removed, the SINGLE SEQUENTIAL ACTUATION and CONTACT ACTUATION switch function will be activated.
- Remove the screw with the screwdriver as shown below.
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Technical line drawing of a mechanical assembly with a screwdriver inserted, showing no text or symbolsCAUTION
● The screw should be discarded after removal.
(1) Intermittent operation (Trigger fi re) Use the SINGLE SEQUENTIAL ACTUATION MECHANISM setting.
WARNING
- For intermittent operation, set the switching device to the upward position completely. (i.e. Set to SINGLE SEQUENTIAL ACTUATION MECHANISM.)
● To avoid double firing or accidental firing due to recoil.
1) Set the switching device to SINGLE SEQUENTIAL ACTUATION MECHANISM.
2) Pull the trigger rapidly and firmly.
①Follow the steps below to set up the SINGLE SEQUENTIAL ACTUATION MECHANISM (as is locked) shown in the diagrams that follow). A C T
WARNING
- Disconnect the air hose and remove all nails.
● Do not depress the push lever. - Do not apply any unnecessary pressure or use any tools to move the switch.
1) If the screw is left proceed from 3).
2) Set the switching device to the upward position (to set to SINGLE SEQUENTIAL ACTUATION MECHANISM).
(Set the switching device to the upward position completely as shown in the diagram. Otherwise, it will be set to CONTACT ACTUATION MECHANISM.)
3) Make sure that the switching device is in its proper position as shown in the diagram. (If not, the tool may be set in the CONTACT ACTUATION MECHANISM.)
② Position the staple outlet on the workpiece with finger off the trigger.
③Depress the push lever firmly until it is completely depressed.
④ Pull the trigger to drive a staple.
⑤ Remove finger from the trigger.
To continue stapling in a separate location, move the stapler along the workpiece, repeating steps ② - ⑤ as required.
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Switching ① U① Upward position
Switching device
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Push lever Trigger
WARNING
● A staple will fire each time the trigger is depressed as long as the push lever remains depressed.
(2) Continuous operation (Push lever fi re) Using CONTACT ACTUATION MECHANISM
WARNING
● To avoid double firing or accidental firing due to recoil.
1) Do not press the stapler against the workpiece with excessive force.
2) Separate the stapler from the workpiece as it recoils after stapling.
- If the hook is affixed, do not operate with CONTACT ACTUATION MECHANISM.
① Follow the steps below to set up the CONTACT ACTUATION MECHANISM (as shown in the diagrams that follow).
WARNING
- Disconnect the air hose and remove all staples.
- Do not depress the push lever.
- Do not apply any unnecessary pressure or use any tools to move the switch.
1) Remove the screw if it is still attached.
See "How to Remove the screw" in the "METHODS OF OPERATION".
2) Set the switching device to the downward position (to set to CONTACT ACTUATION MECHANISM).
(Set the switching device to the downward position completely as shown in the diagram. Otherwise, it will not operate properly.)
② Pull the trigger with the Stapler off the workpiece.
③ Depress the push lever against the workpiece to drive a staple.
④ Move the Stapler along the workpiece with a bouncing motion.
Each depression of the push lever will drive a staple.
As soon as the desired number of staples have been driven, remove finger from the trigger.
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① Downward position Switching device
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Push lever Previously pull the trigger
WARNING
- Keep your finger off the trigger except during fastening operation, because serious injury could result if the push lever accidentally contacts you or others in work area.
- Keep hands and body away from the discharge area. This metabo HPT Stapler may bounce from the recoil of driving a fastener and unwanted subsequent fastener may be driven, possibly causing injury.
● Some types of loaded staples can spark out of the muzzle during a staple driving operation. Exercise caution!
The SINGLE SEQUENTIAL ACTUATION MECHANISM is for use where precision fastener placement is desired.
The SINGLE SEQUENTIAL ACTUATION MECHANISM may reduce the possibility of bodily injury to you or others in the work area compared to the CONTACT ACTUATION MECHANISM. This is because it is less likely to drive an unwanted staple if you keep the trigger pulled and accidentally bump the push lever against yourself or others.
The SINGLE SEQUENTIAL ACTUATION MECHANISM may also reduce the speed of operation compared to the CONTACT ACTUATION MECHANISM. The SINGLE SEQUENTIAL ACTUATION MECHANISM is recommended to inexperienced users.
NOTE:
- If all warnings and instructions are followed, safe operation is possible with all two systems: SINGLE SEQUENTIAL ACTUATION MECHANISM and CONTACT ACTUATION MECHANISM.
● Always handle staples and package carefully. If staples are dropped, collating bond may be broken, which will cause mis-feeding and jamming.
● After stapling:
1) disconnect air hose from the Stapler;
2) remove all staples from the Stapler;
3) supply 5 - 10 drops of metabo HPT pneumatic tool lubricant into the air plug on the Stapler; and
4) open the petcock on the air compressor tank to drain any moisture.
ADJUSTING THE STAPLING DEPTH
WARNING
- When adjusting the Adjuster, be sure to remove your finger from the trigger and disconnect the air hose from the stapler.
To assure that each staple penetrates to the same depth, be sure that:
1) the air pressure to the Stapler remains constant (regulator is installed and working properly), and
2) the Stapler is always held firmly against the workpiece.
If staples are driven too deep or shallow into the workpiece, adjust the stapling in the following order.
① DISCONNECT AIR HOSE FROM STAPLER.
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Adjuster ①⑤ Disconnect air hose② If staples are driven too deep, turn the adjuster to the shallow side.
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② Too Deep Turn Adjuster FlushIf staples are driven too shallow, turn the adjuster to the deep side.
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② Too Shallow Turn Adjuster Flush③ Stop turning the adjuster when a suitable position is reached for a stapling test.
④ Connect the air hose.
ALWAYS WEAR SAFETY GLASSES.
Perform a stapling test.
⑤ DISCONNECT AIR HOSE FROM STAPLER.
⑥ Choose a suitable position for the adjuster.
NOTE:
● The staple might not drive deep enough if using high pressure with the adjuster set upwards (shallow side) due to factors such as the material hardness or staple type.
If that happens, reduce pressure and set the adjuster to lowest position so the staple drives in position.
USING THE BLOW NOZZLE
WARNING
- Be sure to release your finger from the trigger before using the blow nozzle.
- Do not point the air outlet of blow nozzle at a person.
- Do not use the blow nozzle when depress the push lever against the workpiece.
This Stapler has a blow nozzle that blows out wood shavings which occur during work.
Press the knob with your thumb to use the blow nozzle, as shown in the figure.
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Blow nozzle knob Air outlet of blow nozzleNOTE
- When the blow nozzle is used for a long time, the Stapling force may degrade temporarily. In this case, allows the air supply pressure to starting work.
- Oil in the body or drained water from the compressor can sometimes spout out of the air outlet of blow nozzle. It is recommended that you once conduct a test before use and see if such phenomenon happens at an environment where spouted oil will cause any inconvenience.
CHANGING THE EXHAUST DIRECTION
WARNING
- When changing the exhaust direction, be sure to remove your finger from the trigger and disconnect the air hose from the stapler.
a The direction of the exhaust vent can be changed by turning the top cover.
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Top cover Exhaust ventUSING THE NOSE CAP
WARNING
- When detaching or attaching the nose cap, be sure to remove your finger from the trigger and disconnect the air hose from the stapler.
The nose cap is attached to the push lever tip to protect the workpiece from scratches or damage. Remove in the order shown below when not using.
① DISCONNECT AIR HOSE FROM STAPLER.
② Pull out the nose cap in the direction of the arrow as shown in the diagram.
○ Attach to the tip of the push lever in the reverse order of detaching.
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Oilize before Firing head Push lever Nose cap ① Disconnect air hoseUSING THE HOOK
WARNING
- When attaching or detaching the hook, make sure the hose is detached and the nails are removed from the tool.
- When the hook is attached, operate only with SINGLE SEQ MECHANISM and not with CONTACT ACTUATION MECHANISM. For switching between SINGLE SEQUENTIAL and CONTACT, see the appropriate section in "METHODS OF OPERATION".
● Disconnect the air hose when hook the unit. - Do not hook on high or unstable locations. Also, do not hook it to the body, clothing, belt or other personal items.
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Technical line drawing of a mechanical device with a circular component and diagonal striped pattern (no text or symbols)The hook can be attached to the right or left of the tool. When changing the position of the hook, remove the screw with a Phillips head screwdriver, change the position of the hook to the desired direction, and re-attach the screw.
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Hook HookUENTIAL ACTUATION
MAINTENANCE
NOTE:
The information contained in this Manual is designed to assist you in the safe maintenance of the Stapler.
Some illustrations in this Manual may show details or attachments that differ from those on your own Stapler.
MAINTENANCE AND INSPECTION
Read section titled "SAFETY" (pages 3 – 7).
WARNING
● Disconnect air hose and remove all staples from Stapler when:
1) doing maintenance and inspection; and
2) clearing a jam.
- Clearing a jam
Remove a jammed staple in the following order:
① DISCONNECT AIR HOSE.
② Remove all staples.
③ Release the lock lever and open guide plate.
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Lock lever Guide plate ③ ③ ① Disconnect air hose④ Remove the jammed staple with a slotted-head screwdriver.
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Guide plate⑤ Close guide plate and latch.
⑥ In case of frequent jam, contact a metabo HPT authorized service center.
- Storing
○ When not in use for an extended period, apply a thin coat of the lubricant to the steel parts to avoid rust.
○ Do not store the Stapler in a cold weather environment.
Keep the Stapler in a warm area.
○ When not in use, the Stapler should be stored in a warm and dry place.
Keep out of reach of children.
- WARNING LABEL
Do not use the Stapler with missing or damaged WARNING LABEL.
A new WARNING LABEL is available from a metabo HPT authorized service center.
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Warning label- Maintenance chart (See page 21)
- Operator troubleshooting (See page 21)
CAUTION
- In the operation and maintenance of power tools, the safety regulations and standards prescribed in each country must be observed.
SERVICE AND REPAIRS
WARNING
● Only service personnel trained by metabo HPT, distributor or employer shall repair the Stapler.
● Use only parts supplied or recommended by metabo HPT for repair.
All quality Staplers will eventually require servicing or replacement of parts because of wear from normal use.
NOTE:
Specifications are subject to change without any obligation on the part of metabo HPT.
Maintenance chart
| ACTION WHY HOW | ||
| Drain air line filter daily. | Prevent accumulation of moisture and dirt. | Open manual petcock. |
| Keep lubricator filled. | Keep the Stapler lubricated. | Fill with metabo HPT pneumatic tool lubricant. |
| Clean fi lter element and blow air through fi lter in direction opposite to normal flow daily. | Prevent clogging of filter with dirt. | Follow manufacturer's instructions. |
| Clean magazine and feeder mechanism. | Prevent a jam. Blow clean daily. | |
| Keep push lever working properly. | Promote operator safety and efficient Stapler operation. | Blow clean daily. |
| Lubricate the Stapler after stapling. | Extend the Stapler life. Supply 5 – 10 drops of lubricant into the Stapler. | |
| Drain air compressor daily. Keep the Stapler operated properly. Open petcock on air compressor tank. | ||
Operator troubleshooting
Most minor problems can be resolved quickly and easily using the table below.
If problems persist, contact a metabo HPT authorized service center for assistance.
| PROBLEM | CHECK METHOD | CORRECTION |
| Stapler operates but no staple is driven. | Check for a jam. | Clean jam per page 20. |
| Staple feeder damaged? | Replace staple feeder. | |
| Ribbon spring weakened or damaged? | Replace ribbon spring. | |
| Check for proper staples. | Use only recommended staples. | |
| Weak drive.Slow to cycle | Check air pressure. | Increase air pressure.(Do not exceed 120 psi (8.3 bar 8.5 kgf/cm2) |
| Check position of stapling depth adjuster | Readjust per page 17. | |
| ——— | Use metabo HPT pneumatic tool lubricant. | |
| Driver blade worn? | Contact metabo HPT for replacement. | |
| Piston O-ring worn or damaged? | ||
| Drives too deep. | Check air pressure. | Reduce air pressure.(Adjust 70 – 120 psi) |
| Check position of stapling depth adjuster | Readjust per page 17. | |
| Skipping staples.Intermittent feed. | Check for proper staples. | Use only recommended staples. |
| Staple feeder damaged? | Replace staple feeder. | |
| Ribbon spring weakened or damaged? | Replace ribbon spring. | |
| Piston O-ring worn or damaged? | Contact metabo HPT for replacement. | |
| Staples jam.Driven staple is bent. | Check for proper staples. | Use only recommended staples. |
| Driven blade worn? | Contact metabo HPT for replacement. | |
| Drives properly during normal operation, but does not drive fully at faster stapling speeds. | Check inside diameter of air hose. | Use larger air hose. |
INFORMATIONS IMPORTANTES DE SÉCURITÉ
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Line drawing of a pair of safety goggles with label (1) pointing to the front face (no text or symbols on the eyeglasses themselves)
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Line drawing of a hand operating a sewing machine (no text or symbols present)□ LE LEVIER-POUSSOIR ET LA GACHETTE DOIVENT FONCTIONNER AVEC SOUPLESSE.
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Illustration of hands operating a high-voltage power tool with a mesh spring (no text or symbols)Agrafes
Magasin
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Mechanical assembly diagram showing a screwdriver inserted into a car's engine compartment with a hand holding the component (no text or labels)ATTENTION
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Line drawing of a mechanical device with no visible text or symbols
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Illustration of a mechanical device with a circular no-smoking symbol above it (no text or labels)text_image
Diagram showing three types of eyewear accessories with numbered labels: ①, ②, and ③.ACCESORIOS ESTÁNDAR
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Line drawing of a hand operating a sewing machine (no text or symbols present)□ LA PALANCA DE EMPUJE Y EL GATILLO DEBERÁN PODER ACCIONARSE SIN DIFICULTAD.
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Gatillo No conecte la manguera de airePalanca de empuje
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Mechanical assembly diagram showing a screwdriver inserted into a component with an arrow indicating direction (no text or labels present)⚠️ PRECAUCIÓN
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Technical line drawings of mechanical devices and a circular no-smoking symbol (no text or labels)natural_image
Technical line drawing of a mechanical assembly with no visible text or symbolsnatural_image
Line drawing of a quill pen in an inkwell (no text or symbols)Issued by
Koki Holdings Co., Ltd.
Shinagawa Intercity Tower A, 15-1, Konan 2-chome, Minato-ku, Tokyo 108-6020, Japan
Distributed by
Koki Holdings America Ltd.
1111 Broadway Ave, Braselton, Georgia, 30517
Koki Holdings America Ltd. Canadian Branch
3405 American Drive, Units 9-10, Mississauga, ON, L4V 1T6
