D51431 - Stapler DEWALT - Free user manual and instructions

Product Type	Pneumatic Staple Gun
Brand	DeWalt
Model	D51431
Recommended Working Pressure	4.9 - 8.3 bar
Maximum Working Pressure	8.3 bar
Air Consumption per Stroke (at 6.9 bar)	1.1 L
Working Mode	Contact Control (bump and sequential)
Staple Type	16 Ga
Staple Length	51 mm
Staple Width	12.7 mm
Weight	2.1 kg
Sound Pressure Level (LpA)	86 dB(A)
Sound Power Level (LwA)	99 dB(A)
Vibration (Emission Value)	2.9 m/s²
Air Inlet	3/8" (standard thread)
Magazine Capacity	Not specified (professional use)
Power Source	Compressed air (clean and dry)
Operating Temperature	Suitable for cold (special lubrication) and hot weather
Daily Maintenance	Clean magazine/nozzle, drain condensation, lubricate (5-7 drops oil)
Safety	Trigger lock, magazine lock, safety contact
Warranty	1 year full + 30 day satisfaction + 1 year free maintenance
Certification	CE (2006/42/EC, EN 792-13)
Intended Use	Fastening staples into wood

Frequently Asked Questions - D51431 DEWALT

How to load staples in the D51431 stapler?

To load, pull the magazine lock (6) back, place staples in the rail (11) respecting 16 Ga type and 51 mm length, then release the lock and slide it forward to secure them. Ensure the tool is disconnected from air supply before loading.

How to adjust the drive depth?

Turn the depth adjustment wheel (3): right to reduce depth, left to increase it. Before adjustment, disconnect the tool from air supply and engage the trigger lock (2) to prevent accidental start.

What to do in case of staple jams?

Disconnect the tool from air hose, engage trigger lock, remove staples from magazine, release the front lock (12) and bracket (13) to open the barrel (14), remove the jammed staple with pliers if needed. Close the barrel and replace the bracket.

How to change the trigger mode (sequential or bump)?

The tool comes with two triggers: a gray one for sequential mode (one shot per actuation) and a black one for bump mode (rapid shots). To change, disconnect air, remove the trigger by removing the rubber ring and pin, then install the other trigger by inserting the pin and replacing the ring.

What air pressure to use for the D51431 stapler?

The recommended working pressure is 4.9 to 8.3 bar. Never exceed 8.3 bar (max pressure). Use clean, dry compressed air. Too low pressure may cause poor drive, too high may damage the tool.

How to maintain my DeWalt D51431 stapler?

Daily: clean the magazine and nozzle with compressed air, drain condensation from compressor and hoses, put 5 to 7 drops of pneumatic tool oil into the air inlet. Check all screws are tight. After use, discharge the tool and store in a dry place.

Can the stapler work in cold weather (below 0°C)?

Yes, but with precautions: before use, warm up the tool, add 10 to 15 drops of winter oil (containing ethylene glycol) into the air inlet, set pressure to 5.5 bar max, then make a few shots into scrap wood. Then increase pressure normally.

What are the essential safety instructions?

Always wear safety glasses and hearing protection. Never point the tool at yourself or others. Keep the trigger locked when not in use. Disconnect air supply before any handling. Use only recommended staples (16 Ga, 51 mm). Do not operate the tool without staples.

Which staples to use with the D51431?

Use only 16 Ga staples, 51 mm length and 12.7 mm width. Do not use other types of staples as this may damage the tool or pose a safety risk.

What does the DeWalt warranty cover?

DeWalt offers a 30-day satisfaction guarantee (exchange or refund), a one-year free maintenance contract (labor included), and a one-year full warranty against material or manufacturing defects. Wear parts and accessories are excluded. Keep the proof of purchase.

USER MANUAL D51431 DEWALT

You have chosen a DEWALT tool. Years of experience, thorough product development and innovation make DEWALT one of the most reliable partners for professional power tool users.

Technical data

	D51430	D51431
Type 2 2
Recommended operating pressure bar 4.9 - 8.3 4.9 - 8.3
Max. operating pressure bar 8.3 8.3
Air consumption per shot I		1.1 (at 6.9 bar)	1.1 (at 6.9 bar)
Actuating mode		contact actuating
Fasteners
type		16 Ga	16 Ga
length		51	51
width mm	11.1	12.7
Weight	kg	2.1	2.1
LVA (sound pressure)	dB(A)	86	86
KVA (sound pressure uncertainty)	dB(A)	2.5	2.5
LVA (sound power)	dB(A)	99	99
KVA (sound power uncertainty)	dB(A)	2.5	2.5

Vibration emission value ah
ah=	m/s2	2.9	2.9
Uncertainty K =	m/s2	1.5	1.5

This value is a tool-related characteristic value and does not represent the influence to the hand-arm-system when using the tool.

The influence to the hand-arm-system when using the tool will for example depend on the gripping force, the contact pressure force, the working direction, the adjustment of energy supply, the workpiece and the workpiece support.

EC-Declaration of Conformity

MACHINERY DIRECTIVE

D51430, D51431

DEWALT declares that these products described under "technical data" are in compliance with: 2006/42/EC, EN 792-13, EN 12549, EN 12096, ISO 8662-11.

The undersigned is responsible for compilation of the technical file and makes this declaration on behalf of DEWALT.

Horst Grossmann

Vice President Engineering and Product Development
DEWALT, Richard-Klinger-Straße 11,
D-65510, Idstein, Germany
31.12.09

Safety Instructions

When using tools, always observe the safety regulations applicable in your country to reduce the risk of personal injury. Read the following safety instructions before attempting to operate this product.

Keep these instructions in a safe place!

READ ALL SAFETY WARNINGS AND ALL INSTRUCTIONS

General

1. Keep work area clean.
   Cluttered areas and benches can cause accidents.
2. Consider work area environment.

Do not expose tools to humidity. Keep work area well lit. Do not use tools in the presence of flammable liquids or gases.

1. Keep children away.

Do not let children or visitors come into contact with the tool. Supervision is required for those under 16 years of age.

ENGLISH

4. Store idle tools.

When not in use, tools must be stored in a dry place and locked up securely, out of reach of children.

5. Dress properly.

Do not wear loose clothing or jewellery. They can be caught in moving parts. Preferably wear rubber gloves and non-slip safety footwear. Wear protective hair covering to keep long hair out of the way.

6. Do not overreach.

Keep proper footing and balance at all times.

7. Stay alert.

Watch what you are doing. Use common sense. Do not operate the tool when you are tired.

8. Use appropriate tool.

The intended use is described in this instruction manual. Do not force small tools or attachments to do the job of a heavy-duty tool. The tool will do the job better and safer at the rate for which it was intended.

WARNING! The use of any accessory or attachment or performance of any operation with this tool, other than those recommended in this instruction manual may present a risk of personal injury.

9. Maintain tools with care.

Keep the tools in good condition and clean for better and safer performance. Follow the instructions for maintenance and changing accessories. Keep all controls dry, clean and free from oil and grease.

10. Check for damaged parts.

Before using the tool, carefully check it for damage to ensure that it will operate properly and perform its intended function. Check for misalignment and seizure of moving parts, breakage of parts and any other conditions that may affect its operation. Have damaged guards or other defective parts repaired or replaced as instructed.

11. Have your tool repaired by an authorized DEWALT repair agent.

This tool is in accordance with the relevant safety regulations. To avoid danger, tools must only be repaired by qualified technicians.

Additional safety instructions for pneumatic tools

• Use quick-action couplings for connection to the compressed air system. The non-sealable nipple must be fitted to the tool in such a way

that no compressed air remains in the tool after disconnection.

Always use clean, dry compressed air. Do not use oxygen or combustible gases as an energy source for this tool.
- Only connect this tool to an air supply where the maximum allowable pressure of the tool cannot be exceeded by more than 10% . In case of higher pressures, a pressure reducing valve including a downstream safety valve shall be built into the compressed air supply.
- Only use hoses with a rating exceeding the maximum operating pressure of the tool.
- Before transporting the tool, disconnect it from the compressed air system, especially where ladders are used or where unusual physical posture is adopted while moving.
- Disconnect the tool from the air supply when it is not in use.

Additional safety instructions for fastener driving tools

Always wear safely glasses.
Always wear ear protection.
- Never load fasteners with the trigger activated.
- Only use fasteners of the type specified in the manual.
- Do not use any stands for mounting the tool to a support.
- Do not disassemble or block any parts of the fastener driving tool such as the safety yoke.
- Prior to each operation check that the safety and triggering mechanism is functioning properly and that all nuts and bolts are tight.
- Do not use the equipment as a hammer.
- Never point any operational fastener driving tool at yourself or at any other person. Do not use the tool in applications requiring operation close to the body.
While working, hold the tool in such a way that no injuries can be caused to the head or to the body in the event of a possible recoil due to a disruption in the energy supply or hard areas within the workpiece.
- Never actuate the fastener driving tool into free space.
- Consider the conditions in the work area. Fasteners can penetrate thin workpieces or slip

off corners and edges of the workpiece, and thus put people at risk.

• Do not drive fasteners close to the edge of the workpiece.
• Do not drive fasteners on top of other fasteners.
• In the work area, carry the tool at the workplace using only one handle, and never with the trigger actuated.
• Unload the tool after use and before performing any maintenance.

The following pictograms are shown on the tool:

Pneumatic tool with safety yoke.

Do not use the tool on a ladder.

potible fastener angles.

num number of fasteners in magazine.

Read instruction manual before use.

Wear ear protection.

Wear eye protection.

ner width. (D51430)

inner width. (D51431)

Fastener

length.

operating pressure.

Tool

weight.

Package contents

The package contains:

1 Stapler
1 Sequential action trigger
1 Safety glasses
1 Hex key 3 mm
1 Hex key 4 mm
1 Instruction manual

• Check for damage to the tool, parts or accessories which may have occurred during transport.
  Take the time to thoroughly read and understand this manual prior to operation.

DATE CODE POSITION (FIG. A)

The Date Code, which also includes the year of manufacture, is printed into the housing.

Example:

2010 XX XX

Year of Manufacture

Description (fig. A)

Your stapler D51430, D51431 has been designed for driving fasteners into wooden workpieces.

1 Trigger
2 Lock-off switch
3 Depth setting
4 Contact trip
5 Magazine
6 Magazine latch
7 Air fitting

ASSEMBLY AND ADJUSTMENT

Trigger selection (fi g. B)

These tools are assembled with a bump action trigger. A sequential action trigger is also included with the original packaging. For definitions of

"bump action" and "sequential action", see below.

The grey trigger with a single fastener printed on the side is the sequential action trigger. Installation of this kit causes the tool to function in sequential action mode.
The black trigger with three fasteners printed on the side is the bump action trigger. Installation of this kit causes the tool to function in bump action mode.

ENGLISH

Removing the trigger

• Disconnect the airline from the tool.
• Remove all fasteners from the magazine.
• Remove the rubber grommet (8) from the end of the dowel pin (9).
• Remove the dowel pin.
• Remove the trigger assembly (10).

Fitting the trigger

• Insert the trigger assembly into the trigger cavity, ensuring that the trigger spring (11) is properly seated.
• Insert the dowel pin (9) through the tool frame, contact trip guide and trigger assembly.
• Push the rubber grommet (8) onto the end of the dowel pin.

Air ftting (fi g. A)

These tools have a standard 3/8" pipe thread for the air fitting (7).

• Wrap the male end of the fitting with Teflon tape to prevent air leaks.
• Screw the fitting into the end cap and tighten firmly.

Loading the tool (fi g. C)

• Lock the magazine latch (6) in the back position.
• Select an appropriate collated fastener stick. See "Technical data".
• Place the collated fastener stick(s) onto the magazine rail (11).
• Release the magazine latch by unlatching the lever (6).
• Carefully slide the latch forward to press against the fasteners.

Unloading the tool (fi g. C)

• Lock the magazine latch (6) in the back position.
• Remove the collated fastener stick(s) from the magazine rail (11).

WARNING: Always disconnect the tool from the air supply before loading or unloading fasteners.

Adjusting the driving depth (fi g. D)

The driving depth can be adjusted to the type of fastener used.

WARNING: To reduce risk of serious injury from accidental actuation when attempting to adjust depth, ALWAYS:

• Lock OFF trigger.
• Disconnect air supply.
• Avoid contact with trigger during adjustments.

To reduce the depth, rotate the depth setting wheel (3) to the right.
To increase the depth, rotate the depth setting wheel (3) to the left.

Trigger lock (fi g. A)

This tool is equipped with a trigger lock-off switch which prevents the tool from firing a fastener.

To engage the trigger lock, push the switch (2) to the right.
To release the trigger lock, push the switch to the center.

OPERATION

Instructions for use

WARNING: Always observe the safety instructions and applicable regulations.

Proper Hand Position (fi g. F)

WARNING: To reduce the risk of serious personal injury, ALWAYS use proper hand position as shown.

WARNING: To reduce the risk of serious personal injury, ALWAYS hold securely in anticipation of a sudden reaction.

Proper hand position requires one hand on the main handle (15).

Preparing the tool (fi g. A)

• Drain all condensation from the air compressor tanks and hoses.
• Lubricate the tool. See "Maintenance".
• Remove all fasteners from the magazine.
• Check if the contact trip (4) can move freely.

WARNING: Do not use the tool if the contact trip cannot move freely.

• Check that the pressure of the air supply is below the maximum recommended operating pressure.

• Connect the air hose to the fitting on the tool.

• Check for audible leaks around valves and gaskets.

• Set the air pressure to the minimum required operating pressure for your application.

WARNING: Never use a tool that leaks or has damaged parts.

Cold weather operation

When operating tools at temperatures below freezing:

• Keep the tool as warm as possible before use.
• Disconnect the airline from the tool.
• Put 10 to 15 drops of DEWALT pneumatic tool oil (or winter-weight pneumatic oil containing ethylene glycol) into the air inlet.
• Set the air pressure to a maximum of 5.5 bar.
• Connect the air hose to the fitting on the tool.
• Load fasteners into the magazine as described above.
• Actuate the tool 5 or 6 times into scrap lumber to lubricate the o-rings.
• Increase the air pressure to the normal operating level.
• Use the tool in the normal manner.

Hot weather operation

The tool should operate normally. Avoid the heat of direct sunlight to avoid damage to the bumpers, o-rings, and other rubber parts.

Actuating the tool (fi g. A)

The tool can be operated using one of two modes. The trigger installed on the tool determines the mode of actuation.

Sequential action mode

The sequential action mode is used for intermittent fastening when very careful and accurate placement is desired.

• Fit the grey trigger as described above.
• Release the trigger lock (2).
• Push the contact trip (4) against the work surface.
• Pull the trigger (1) to actuate the tool. Each trigger pull with the contact trip pushed against the work surface will drive one fastener.

Bump action mode

The bump action mode is used for rapid fastening on fl at, stationary surfaces.

• Fit the black trigger as described above.
• Release the trigger lock (2).
  To drive a single fastener: Operate the tool as described for sequential action.
• To drive several fasteners: Pull the trigger (1) first, and then push the contact trip (4) repeatedly against the work surface.

WARNING: Do not keep the trigger depressed when the tool is not in use. Keep the trigger lock engaged to prevent accidental actuation when the tool is not in use.

Clearing a jammed fastener (fi g. A, E)

If a fastener becomes jammed in the nosepiece, follow these instructions to remove the fastener:

• Disconnect the airline from the tool.
• Engage the trigger lock (2).
• Remove all fasteners from the magazine.
• Flip up the front latch (12) and move the bracket (13) out of the way so that the barrel (14) can be opened.
• Remove the bent fastener, using pliers if necessary.
• If the driving blade is in the down position, push the driving blade upward using a screwdriver.
• Close the barrel (14) and put the bracket (13) back in position.
• Press the front latch (12) into the locked position.
• Feed the fasteners into the nose piece as described under "Loading the tool".

WARNING: If fasteners become jammed in the nosepiece frequently, have the tool serviced by an authorised DEWALT service centre.

Optional accessories

Consult your dealer for further information on the appropriate accessories.

ENGLISH

MAINTENANCE

Your DEWALT tool has been designed to operate over a long period of time with a minimum of maintenance. Continuous satisfactory operation depends on proper tool care and regular cleaning.

The following maintenance operations must be performed every day.

Cleaning

• Clean the magazine and the nosepiece using compressed air.
• Clean the front end of the contact trip using fuel oil or diesel fuel.

Draining

• Drain all condensation from the air compressor tanks and hoses.

Lubrication

• Insert 5 - 7 drops pneumatic tool oil into the air fitting on the end cap of the tool.

Checking

• Ensure that all fasteners on the tool are tight and undamaged.
• Tighten loose fasteners using the appropriate tool.

Protecting the environment

Separate collection. This product must not be disposed of with normal household waste.

Should you find one day that your DEWALT product needs replacement, or if it is of no further use to you, do not dispose of it with household waste. Make this product available for separate collection.

Separate collection of used products and packaging allows materials to be recycled and used again. Re-use of recycled materials helps prevent environmental pollution and reduces the demand for raw materials.

Local regulations may provide for separate collection of electrical products from the household, at municipal waste sites or by the retailer when you purchase a new product.

DEWALT provides a facility for the collection and recycling of DEWALT products once they have reached the end of their working life. To take advantage of this service please return your product to any authorised repair agent who will collect them on our behalf.

You can check the location of your nearest authorised repair agent by contacting your local DEWALT office at the address indicated in this manual. Alternatively, a list of authorised DEWALT repair agents and full details of our after-sales service and contacts are available on the Internet at: www.2helpU.com.

GUARANTEE

DEWALT is confident of the quality of its products and offers an outstanding guarantee for professional users of the product. This guarantee statement is in addition to and in no way prejudices your contractual rights as a professional user or your statutory rights as a private non-professional user. The guarantee is valid within the territories of the Member States of the European Union and the European Free Trade Area.

30 DAY NO RISK SATISFACTION GUARANTEE

If you are not completely satisfied with the performance of your DEWALT tool, simply return it within 30 days, complete with all original components, as purchased, to the point of purchase, for a full refund or exchange. The product must have been subject to fair wear and tear and proof of purchase must be produced.

ONE YEAR FREE SERVICE CONTRACT

If you need maintenance or service for your DEWALT tool, in the 12 months following purchase, you are entitled to one service free of charge. It will be undertaken free of charge at an authorised DEWALT repair agent. Proof of purchase must be produced. Includes labour. Excludes accessories and spare parts unless failed under warranty.

ONE YEAR FULL WARRANTY

If your DEWALT product becomes defective due to faulty materials or workmanship within 12 months from the date of purchase, DEWALT guarantees to replace all defective parts free of charge or - at our discretion - replace the unit free of charge provided that:

The product has not been misused;
The product has been subject to fair wear and tear.
- Repairs have not been attempted by unauthorised persons;
Proof of purchase is produced;
The product is returned complete with all original components.

If you wish to make a claim, contact your seller or check the location of your nearest authorised DEWALT repair agent in the DEWALT catalogue or contact your DEWALT office at the address indicated in this manual. A list of authorised DEWALT repair agents and full details of our after-sales service is available on the Internet at: www.2helpU.com.

ESPANOL

GRAPADORA D51430, D51431

Enhorabuena!

LEES ALLE VEILIGHEIDSWAARSCHUWINGEN EN ALLLE INSTRUCTIES

Algemeen

Vice President Engineering and Product Development
DEWALT, Richard-Klinger-Strasse 11,
D-65510, Idstein, Germany

31.12.09

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Biodote to EApntma otnv kauntpa tou akpo kai opiTe to kal.

Aveoiaooc Tou epyaieou (EK.C)