DTW1002Y1J - Perceuse-visseuse à percussion MAKITA - Free user manual and instructions

Product Type	Impact Wrench
Brand	Makita
Model	DTW1002Y1J
Tightening Capacity (standard bolt)	M12 to M30
Tightening Capacity (high-strength bolt)	M10 to M24
No-load speed (high mode)	0 - 1 800 min⁻¹
No-load speed (medium mode)	0 - 1 000 min⁻¹
No-load speed (low mode)	0 - 900 min⁻¹
Impacts per minute (high mode)	0 - 2 200 min⁻¹
Impacts per minute (medium mode)	0 - 2 000 min⁻¹
Impacts per minute (low mode)	0 - 1 800 min⁻¹
Overall length	229 mm
Rated voltage	18 V DC
Net weight (with battery)	3.4 kg
Power supply	18 V lithium-ion battery (compatible: BL1815N, BL1820, BL1820B, BL1830, BL1840, BL1850, BL1840B, BL1850B)
Sound pressure level (LpA)	97 dB(A) (uncertainty 3 dB(A))
Sound power level (LWA)	108 dB(A) (uncertainty 3 dB(A))
Vibration emission (tightening)	18.0 m/s² (uncertainty 1.5 m/s²)
Main functions	3 impact modes (high, medium, low), rotation reverser, front light, battery protection
Safety	Automatic stop in case of overload, insulated gripping surfaces, noise protection headset recommended
Maintenance	Cleaning with dry cloth; repair by Makita authorized service center
Compatible accessories	Impact socket, drill bits (model DTW800), extension bar, universal joint, original Makita battery and charger

Frequently Asked Questions - DTW1002Y1J MAKITA

What is the maximum tightening capacity of the Makita DTW1002Y1J?

The maximum tightening capacity is M30 for standard bolts and M24 for high-strength bolts. Use an appropriate size impact socket.

What types of batteries are compatible with this tool?

Compatible batteries are models BL1815N, BL1820, BL1820B, BL1830, BL1840, BL1850, BL1840B and BL1850B (all 18 V). Use only genuine Makita batteries.

How do I change the impact mode on the DTW1002?

Press the impact force change button (located near the trigger) to switch between the three modes: high, medium and low. The change is possible about one minute after releasing the trigger.

What should I do if the battery does not insert correctly?

Make sure the battery is oriented correctly (the tab aligned with the groove) and insert it until it clicks. If the red indicator is still visible, the battery is not locked. Never force insertion.

What is the battery runtime?

The duration depends on battery capacity and usage. For example, a BL1850 (5.0 Ah) battery offers extended runtime. The tool stops automatically in case of undervoltage; then recharge the battery.

How do I maintain the impact wrench?

Clean the tool with a dry cloth after use. Do not use solvents. For internal maintenance and repairs, take the tool to a Makita authorized service center using genuine parts.

Is it possible to use drill bits with this model?

The DTW1002Y1J model is designed for tightening bolts and nuts. For drilling, refer to model DTW800 (not covered here). Use only impact sockets for tightening.

What safety precautions should be observed?

Wear noise protection headset, hold the tool by insulated gripping surfaces, and check that the impact socket is not worn. Do not look directly at the front light and maintain a stable stance.

How do I use the rotation reverser?

The reverser lever is located near the trigger. Push it to the left for clockwise rotation (tightening) or to the right for counterclockwise rotation (loosening). Place it in neutral position when the tool is not in use.

Where can I find spare parts?

Contact a Makita authorized service center for genuine spare parts, including impact sockets, batteries and chargers. Visit the Makita website to find a center near you.

USER MANUAL DTW1002Y1J MAKITA

Line drawings of two different types of power drillers (no text or symbols present)

Line drawing of a drill bit with labeled component (no text or symbols beyond label)

Technical line drawing of a device interior with labeled components (no text or symbols beyond label)

Line drawing of a drill bit with labeled component (1), no text or symbols present

graph TD
    A["Step 1: 1s S H"] --> B["Step 2"]
    B --> C["Step 3: 1s S H"]
    C --> D["Step 4: 1s S H"]
    D --> E["Step 5: 1s S H"]
    style A fill:#f9f,stroke:#333
    style B fill:#ccf,stroke:#333
    style C fill:#ccf,stroke:#333
    style D fill:#ccf,stroke:#333
    style E fill:#cfc,stroke:#333

Line drawing of a hand holding a drill bit with a tool, no text or symbols present

SPECIFICATIONS

Model: DTW1001 DTW1002 DTW800
Fastening capacities	Standard bolt M12 - M30 M12 - M24
	High tensile bolt	M10 - M24 M10 - M22
Square drive 19 mm 12.7 mm –
Drive shank – 11.1 mm Hex.
No load speed	Impact mode (Hard)	0 - 1,800 min^-1
	Impact mode (Medium)	0 - 1,000 min^-1
	Impact mode (Soft)	0 - 900 min^-1
Impacts per minute	Impact mode (Hard)	0 - 2,200 min^-1
	Impact mode (Medium)	0 - 2,000 min^-1
	Impact mode (Soft)	0 - 1,800 min^-1
Overall length 229 mm
Rated voltage D.C. 18 V
Battery cartridge		BL1815N, BL1820, BL1820B	BL1830, BL1840, BL1850, BL1840B, BL1850B	BL1815N, BL1820, BL1820B	BL1830, BL1840, BL1850, BL1840B, BL1850B	BL1815N, BL1820, BL1820B	BL1830, BL1840, BL1850, BL1840B, BLI850B
Net weight		3.4 kg	3.7 kg	3.3 kg	3.6 kg	3.4 kg	3.7 kg

• Due to our continuing program of research and development, the specifications herein are subject to change without notice.
  • Specifications and battery cartridge may differ from country to country.
  • Weight, with battery cartridge, according to EPTA-Procedure 01/2003

Intended use

The tool is intended for fastening bolts and nuts. Model DTW800: The tool is also intended for drilling into wood.

Noise

The typical A-weighted noise level determined according to EN60745:

Model DTW1001

Sound pressure level ( L_pA ): 98 dB(A)

Sound power level ( L_WA ): 109 dB (A)

Uncertainty (K) : 3 dB(A)

Model DTW1002

Sound pressure level ( L_pA ): 97 dB(A)

Sound power level ( L_WA ): 108 dB (A)

Uncertainty (K) : 3 dB(A)

Model DTW800

Sound pressure level ( L_pA ): 95 dB(A)

Sound power level ( L_WA ): 106 dB (A)

Uncertainty (K) : 3dB(A)

WARNING: Wear ear protection.

Vibration

The vibration total value (tri-axial vector sum) determined according to EN60745:

Model DTW1001

Work mode: impact tightening of fasteners of the maximum capacity of the tool

Vibration emission (ah): 15.5 m/s²

Uncertainty (K) : 2.0 m/s ^2

Model DTW1002

Work mode: impact tightening of fasteners of the maximum capacity of the tool

Vibration emission (ah) : 18.0 m/s²

Uncertainty (K) : 1.5 m/s²

Model DTW800

Work mode: impact tightening of fasteners of the maximum capacity of the tool

Vibration emission ( a_h ): 24.0 m/s ^2

Uncertainty (K) : 2.0 m/s ^2

Work mode: drilling into wood

Vibration emission ( a_h ): 7.0 m/s ^2

Uncertainty (K) : 1.5 m/s ^4

NOTE: The declared vibration emission value has been measured in accordance with the standard test method and may be used for comparing one tool with another.

NOTE: The declared vibration emission value may also be used in a preliminary assessment of exposure.

⚠ WARNING: The vibration emission during actual use of the power tool can differ from the declared emission value depending on the ways in which the tool is used.

⚠ WARNING: Be sure to identify safety measures to protect the operator that are based on an estimation of exposure in the actual conditions of use (taking account of all parts of the operating cycle such as the times when the tool is switched off and when it is running idle in addition to the trigger time).

EC Declaration of Conformity

For European countries only

Makita declares that the following Machine(s):

Designation of Machine: Cordless Impact Wrench

Model No./ Type: DTW1001, DTW1002, DTW800

Conforms to the following European Directives: 2006/42/EC

They are manufactured in accordance with the following standard or standardized documents: EN60745

The technical file in accordance with 2006/42/EC is available from:

Makita, Jan-Baptist Vinkstraat 2, 3070, Belgium 13.5.2015

Yasushi Fukaya

Director

Makita, Jan-Baptist Vinkstraat 2, 3070, Belgium

General power tool safety warnings

⚠ WARNING: Read all safety warnings and all instructions. Failure to follow the warnings and instructions may result in electric shock, fire and/or serious injury.

Save all warnings and instructions for future reference.

The term "power tool" in the warnings refers to your mains-operated (corded) power tool or battery-operated (cordless) power tool.

Cordless impact wrench safety warnings

1. Hold power tool by insulated gripping surfaces, when performing an operation where the fastener may contact hidden wiring. Fasteners contacting a "live" wire may make exposed metal parts of the power tool "live" and could give the operator an electric shock.

2. Wear ear protectors.

3. Check the impact socket carefully for wear, cracks or damage before installation.

4. Hold the tool firmly.

5. Always be sure you have a firm footing. Be sure no one is below when using the tool in high locations.

6. The proper fastening torque may differ depending upon the kind or size of the bolt. Check the torque with a torque wrench.

7. Use auxiliary handle(s), if supplied with the tool. Loss of control can cause personal injury.

8. Hold power tool by insulated gripping surfaces, when performing an operation where the cutting accessory may contact hidden wiring. Cutting accessory contacting a "live" wire may make exposed metal parts of the power tool "live" and could give the operator an electric shock.

9. Keep hands away from rotating parts.

10. Do not touch the drill bit or the workpiece immediately after operation; they may be extremely hot and could burn your skin.

11. Some material contains chemicals which may be toxic. Take caution to prevent dust inhalation and skin contact. Follow material supplier safety data.

SAVE THESE INSTRUCTIONS.

WARNING: DO NOT let comfort or familiarity with product (gained from repeated use) replace strict adherence to safety rules for the subject product.

MISUSE or failure to follow the safety rules stated in this instruction manual may cause serious personal injury.

Important safety instructions for battery cartridge

1. Before using battery cartridge, read all instructions and cautionary markings on (1) battery charger, (2) battery, and (3) product using battery.

2. Do not disassemble battery cartridge.

3. If operating time has become excessively shorter, stop operating immediately. It may result in a risk of overheating, possible burns and even an explosion.

4. If electrolyte gets into your eyes, rinse them out with clear water and seek medical attention right away. It may result in loss of your eyesight.

5. Do not short the battery cartridge:

(1) Do not touch the terminals with any conductive material.
(2) Avoid storing battery cartridge in a container with other metal objects such as nails, coins, etc.
(3) Do not expose battery cartridge to water or rain.

A battery short can cause a large current flow, overheating, possible burns and even a breakdown.

1. Do not store the tool and battery cartridge in locations where the temperature may reach or exceed 50 °C (122 °F).
2. Do not incinerate the battery cartridge even if it is severely damaged or is completely worn out. The battery cartridge can explode in a fire.
3. Be careful not to drop or strike battery.
4. Do not use a damaged battery.
5. Follow your local regulations relating to disposal of battery.

SAVE THESE INSTRUCTIONS.

CAUTION: Only use genuine Makita batteries.

Use of non-genuine Makita batteries, or batteries that have been altered, may result in the battery bursting causing fires, personal injury and damage. It will also void the Makita warranty for the Makita tool and charger.

Tips for maintaining maximum battery life

1. Charge the battery cartridge before completely discharged. Always stop tool operation and charge the battery cartridge when you notice less tool power.
2. Never recharge a fully charged battery cartridge. Overcharging shortens the battery service life.
3. Charge the battery cartridge with room temperature at 10 °C - 40 °C ( 50 °F - 104 °F ). Let a hot battery cartridge cool down before charging it.
4. Charge the battery cartridge if you do not use it for a long period (more than six months).

FUNCTIONAL DESCRIPTION

CAUTION: Always be sure that the tool is switched off and the battery cartridge is removed before adjusting or checking function on the tool.

Installing or removing battery cartridge

CAUTION: Always switch off the tool before stalling or removing of the battery cartridge.

CAUTION: Hold the tool and the battery cartridge firmly when installing or removing battery cartridge. Failure to hold the tool and the battery cartridge firmly may cause them to slip off your hands and result in damage to the tool and battery cartridge d a personal injury.

▶ Fig.1: 1. Red indicator 2. Button 3. Battery cartridge

To remove the battery cartridge, slide it from the tool while sliding the button on the front of the cartridge.

To install the battery cartridge, align the tongue on the battery cartridge with the groove in the housing and slip it into place. Insert it all the way until it locks in place with a little click. If you can see the red indicator on the upper side of the button, it is not locked completely.

CAUTION: Always install the battery cartridge by until the red indicator cannot be seen. If not, may accidentally fall out of the tool, causing injury to you or someone around you.

CAUTION: Do not install the battery cartridge typically. If the cartridge does not slide in easily, it is not being inserted correctly.

Battery protection system

Lithium-ion battery with star marking

▶ Fig.2: 1. Star marking

Lithium-ion batteries with a star marking are equipped with a protection system. This system automatically cuts off power to the tool to extend battery life.

The tool will automatically stop during operation if the tool and/or battery are placed under one of the following conditions:

Overloaded:

The tool is operated in a manner that causes it to draw an abnormally high current. In this situation, turn the tool off and stop the application that caused the tool to become overloaded. Then turn the tool on to restart. If the tool does not start, the battery is overheated. In this situation, let the battery cool before turning the tool on again.

Low battery voltage:

The remaining battery capacity is too low and the tool will not operate. In this situation, remove and recharge the battery.

Indicating the remaining battery capacity

Only for battery cartridges with "B" at the end of the model number

▶ Fig.3: 1. Indicator lamps 2. Check button

Press the check button on the battery cartridge to indicate the remaining battery capacity. The indicator lamps light up for few seconds.

Indicator lamps Remaining			capacity
Lighted Off	Blinking
			75% to 100%
			50% to 75%
			25% to 50%
			0% to 25%
			Charge the battery.
			The battery may have malfunctioned.

NOTE: Depending on the conditions of use and the ambient temperature, the indication may differ slightly from the actual capacity.

Switch action

▶ Fig.4: 1. Switch trigger

⚠️CAUTION: Before inserting the battery cartridge into the tool, always check to see that the switch trigger actuates properly and returns to the "OFF" position when released.

To start the tool, simply pull the switch trigger. Tool speed is increased by increasing pressure on the switch trigger. Release the switch trigger to stop.

NOTE: The tool automatically stops if you keep pulling the switch trigger for about 6 minutes.

Lighting up the front lamp

⚠️CAUTION: Do not look in the light or see the source of light directly.

▶ Fig.5: 1. Lamp
▶ Fig.6: 1. Button

To turn on the lamp status, press the button for one second. To turn off the lamp status, press the button for one second again.

With the lamp status ON, pull the switch trigger to turn on the lamp. To turn off, release it. The lamp goes out approximately 10 seconds after releasing the switch trigger.

With the lamp status OFF, the lamp does not turn on even if pulling the trigger.

NOTE: To confirm the lamp status, pull the trigger. When the lamp lights up by pulling the switch trigger, the lamp status is ON. When the lamp does not come on, the lamp status is OFF.
NOTE: When the tool is overheated, the light flashes for one minute, and then the LED display goes off. In this case, cool down the tool before operating again.
NOTE: Use a dry cloth to wipe the dirt off the lens of the lamp. Be careful not to scratch the lens of lamp, or it may lower the illumination.
NOTE: While pulling the switch trigger, the lamp status cannot be changed.
NOTE: For approximately 10 seconds after releasing the switch trigger, the lamp status can be changed.

Reversing switch action

▶ Fig.7: 1. Reversing switch lever

⚠️ CAUTION: Always check the direction of rotation before operation.
CAUTION: Use the reversing switch only after the tool comes to a complete stop. Changing the direction of rotation before the tool stops may damage the tool.
⚠️ CAUTION: When not operating the tool, always set the reversing switch lever to the neutral position.

This tool has a reversing switch to change the direction of rotation. Depress the reversing switch lever from the A side for clockwise rotation or from the B side for counterclockwise rotation.

When the reversing switch lever is in the neutral position, the switch trigger cannot be pulled.

Changing the impact force

▶ Fig.8: 1. Changed in three steps 2. Hard 3. Medium 4. Soft 5. Button

You can change the impact in three steps: hard, medium and soft mode.

This allows a tightening suitable to the work.

Every time the button is pressed, the number of blows changes in three steps.

For approximately one minute after releasing the switch trigger, the impact force can be changed.

Specifications of each impact force grade

Impact force grade displayed on panel	Maximum blows Application
	DTW1001	DTW1002	DTW800
Hard	2,200 min^-1 (/min) Tightening when force and speed are desired.
Medium	2,000 min^-1 (/min) Tightening when you need good controlled power.
Impact force grade displayed on panel	Maximum blows Application
	DTW1001	DTW1002	DTW800
Soft	1,800 min^-1 (/min) Tightening

Impact force/bolt size corresponding chart (reference)

Impact force grade displayed on panel	DTW1001 DTW1002		DTW800
	Standard bolt	High tensile bolt	Standard bolt	High tensile bolt	Standard bolt	High tensile bolt
Hard	M20 - M30(3/4" - 1-1/4")	M16 - M24(5/8" - 1")	M20 - M30(3/4" - 1-1/4")	M16 - M24(5/8" - 1")	M20 - M24(3/4" - 1")	M16 - M22(5/8" - 7/8")
Medium	M16 - M24(5/8" - 1")	M12 - M20(1/2" - 3/4")	M16 - M24(5/8" - 1")	M12 - M20(1/2" - 3/4")	M14 - M20(9/16" - 3/4")	M10 - M16(3/8" - 5/8")
Soft	M12 - M20(1/2" - 3/4")	M10 - M16(3/8" - 5/8")	M12 - M20(1/2" - 3/4")	M10 - M16(3/8" - 5/8")	M12 - M16(1/2" - 5/8")	M10 - M12(3/8" - 1/2")

ASSEMBLY

⚠️CAUTION: Always be sure that the tool is switched off and the battery cartridge is removed before carrying out any work on the tool.

Selecting correct impact socket

Always use the correct size impact socket for bolts and nuts. An incorrect size impact socket will result in inaccurate and inconsistent fastening torque and/or damage to the bolt or nut.

Installing or removing impact socket

Only for Model DTW1001, DTW1002 (optional accessory)

⚠️CAUTION: Make sure that the impact socket and the mounting portion are not damaged before installing the impact socket.

For impact socket without O-ring and pin

▶ Fig.9: 1. Impact socket 2. Square drive

Align the square of the impact socket with the square drive and push the impact socket onto the square drive until it locks into place. Tap it lightly if required. To remove the impact socket, simply pull it off.

For impact socket with O-ring and pin

Only for Model DTW1001

▶ Fig.10: 1. Impact socket 2. O-ring 3. Pin

Move the O-ring out of the groove in the impact socket and remove the pin from the impact socket. Fit the impact socket onto the square drive so that the hole in the impact socket is aligned with the hole in the square drive.

Insert the pin through the hole in the impact socket and square drive. Then return the O-ring to the original position in the impact socket groove to retain the pin. To remove the impact socket, follow the installation procedures in reverse.

Installing or removing drill bit/socket adapter

Only for Model DTW800 (optional accessory)

▶Fig.11

A=11.2 mm

Use only the drill bit/socket adapter shown in the figure. Do not use any other drill bit/socket adapter.

▶ Fig.12: 1. Drill bit 2. Sleeve

To install the drill bit, pull the sleeve in the direction of the arrow and insert the drill bit into the sleeve as far as it will go.

Then release the sleeve to secure the drill bit.

To remove the drill bit, pull the sleeve in the direction of the arrow and pull the drill bit out.

NOTE: If the drill bit is not inserted deep enough into the sleeve, the sleeve will not return to its original position and the drill bit will not be secured. In this case, try re-inserting the drill bit according to the instructions above.

NOTE: After inserting the drill bit, make sure that it is firmly secured. If it comes out, do not use it.

Ring

Only for Model DTW800

▶ Fig.13: 1. Bracket 2. Ring 3. Screws

The ring is convenient for hanging the tool with hoist. First, place the rope through the ring. Then hang the tool up to the air with hoist.

CAUTION: Before using the ring, always ke sure that the bracket and ring are secured d not damaged.

Installing hook

▶ Fig.14: 1. Groove 2. Hook 3. Screw

The hook is convenient for temporarily hanging the tool. This can be installed on either side of the tool. To install the hook, insert it into a groove in the tool housing on either side and then secure it with two screws. To remove, loosen the screws and then take it out.

OPERATION

CAUTION: Always insert the battery cartridge the way until it locks in place. If you can see red part on the upper side of the button, it is not keted completely. Insert it fully until the red part can be seen. If not, it may accidentally fall out of the l, causing injury to you or someone around you.

▶Fig.15

Hold the tool firmly and place the impact socket over the bolt or nut. Turn the tool on and fasten for the proper fastening time.

The proper fastening torque may differ depending upon the kind or size of the bolt, the material of the workpiece to be fastened, etc. The relation between fastening torque and fastening time is shown in the figures.

Model DTW1001

Proper fastening torque for standard bolt

1. Fastening time (second) 2. Fastening torque

Proper fastening torque for high tensile bolt

1. Fastening time (second) 2. Fastening torque

Proper fastening torque for standard bolt

1. Fastening time (second) 2. Fastening torque

Proper fastening torque for standard bolt

1. Fastening time (second) 2. Fastening torque

Proper fastening torque for high tensile bolt

1. Fastening time (second) 2. Fastening torque

Proper fastening torque for high tensile bolt

1. Fastening time (second) 2. Fastening torque

NOTE: Hold the tool pointed straight at the bolt or nut.

NOTE: Excessive fastening torque may damage the bolt/nut or impact socket. Before starting your job, always perform a test operation to determine the proper fastening time for your bolt or nut.

NOTE: If the tool is operated continuously until the battery cartridge has discharged, allow the tool to rest for 15 minutes before proceeding with a fresh battery cartridge.

The fastening torque is affected by a wide variety of factors including the following. After fastening, always check the torque with a torque wrench.

1. When the battery cartridge is discharged almost completely, voltage will drop and the fastening torque will be reduced.

2. Impact socket

3. Failure to use the correct size impact socket will cause a reduction in the fastening torque.

4. A worn impact socket (wear on the hex end or square end) will cause a reduction in the fastening torque.
5. Bolt
6. Even though the torque coefficient and the class of bolt are the same, the proper fastening torque will differ according to the diameter of bolt.
7. Even though the diameters of bolts are the same, the proper fastening torque will differ according to the torque coefficient, the class of bolt and the bolt length.
8. The use of the universal joint or the extension bar somewhat reduces the fastening force of the impact wrench. Compensate by fastening for a longer period of time.
9. The manner of holding the tool or the material of driving position to be fastened will affect the torque.
10. Operating the tool at low speed will cause a reduction in the fastening torque.

MAINTENANCE

⚠️CAUTION: Always be sure that the tool is switched off and the battery cartridge is removed before attempting to perform inspection or maintenance.

NOTICE: Never use gasoline, benzine, thinner, alcohol or the like. Discoloration, deformation or cracks may result.

To maintain product SAFETY and RELIABILITY, repairs, any other maintenance or adjustment should be performed by Makita Authorized or Factory Service Centers, always using Makita replacement parts.

OPTIONAL ACCESSORIES

CAUTION: These accessories or attachments are recommended for use with your Makita tool specified in this manual. The use of any other accessories or attachments might present a risk of injury to persons. Only use accessory or attachment for its stated purpose.

If you need any assistance for more details regarding these accessories, ask your local Makita Service Center.

• Impact socket
  • Drill bits (only for Model DTW800)
• Extension bar
• Universal joint
  • Makita genuine battery and charger

NOTE: Some items in the list may be included in the tool package as standard accessories. They may differ from country to country.

SPÉCIFICATIONS

▶ Fig.13: 1. Support 2. Anneau 3. Vis