DFR550RTJ - Drill driver MAKITA - Free user manual and instructions

Product type	Cordless drill/driver
Brand	Makita
Model	DFR550RTJ
Rated voltage	18 V
Battery type	Li-ion
Battery capacity	5.0 Ah
No-load speed (speed 1)	0 - 500 rpm
No-load speed (speed 2)	0 - 1,900 rpm
Maximum torque	56 Nm
Max drilling diameter (wood)	38 mm
Max drilling diameter (metal)	13 mm
Chuck	Keyless, 13 mm
Number of speeds	2
Clutch	21 torque positions + drilling
Motor type	Brushless
Lighting	Integrated LED
Weight (with battery)	2.0 kg
Dimensions (L x W x H)	198 x 79 x 249 mm
Sound level	84 dB(A)
Vibration level	2.5 m/s²
Box contents	Machine, battery BL1850B, charger DC18RC, case, belt hook
Warranty	2 years
Maintenance and cleaning	Clean with a dry cloth; do not use solvents
Safety	Motor brake, overload protection, anti-restart
Repairability	Repairability index 8.5/10

Frequently Asked Questions - DFR550RTJ MAKITA

How to change the chuck on the Makita DFR550RTJ drill?

The chuck is keyless. To remove it, fully open the chuck, then insert a 10 mm Allen key into the chuck hole and turn counterclockwise. To reassemble, screw by hand then tighten with the key.

Which battery is compatible with the DFR550RTJ?

The DFR550RTJ is compatible with Makita 18 V Li-ion batteries from the BL18xx series, such as the BL1850B (5.0 Ah) supplied. 3.0 Ah, 4.0 Ah and 6.0 Ah batteries also work.

How to adjust the torque setting?

Turn the torque adjustment ring located behind the chuck. There are 21 numbered positions for screwdriving and one position for drilling. Start with a low setting and increase if necessary.

The drill stops suddenly, what should I do?

This may be due to overload. Release the trigger and remove the battery for a few seconds. Check that the bit is not jammed. If the problem persists, contact after-sales service.

How to maintain the Makita DFR550RTJ drill?

Clean the tool regularly with a dry cloth. Do not use chemicals. Brushes are unnecessary because the motor is brushless. Check the chuck tightness periodically.

Can I use a 20 mm drill bit in wood?

Yes, the drill can drill up to 38 mm in wood. Make sure to use the appropriate speed and pre-drill if necessary.

What to do if the LED does not turn on?

Check that the battery is charged and properly installed. If the LED remains off, contact an authorized Makita service center.

The drill makes an abnormal noise, is it serious?

An unusual noise may indicate a mechanical problem. Immediately stop the tool, remove the battery and inspect. If you find no obvious cause, have the device serviced.

What is the lifespan of the BL1850B battery?

With normal use, the Li-ion battery can withstand about 1000 charge cycles before its capacity decreases significantly. Store it in a cool, dry place.

Where to find spare parts for the DFR550RTJ?

Spare parts (chuck, switch, etc.) are available from authorized Makita dealers or via customer service. Use the model number to order.

USER MANUAL DFR550RTJ MAKITA

GB Cordless Auto Feed Instruction manual Screwdriver

Line drawing of a firearm with trigger mechanism and no visible text or symbols

1 012156 2 012128

3 015659 4 008123

5 008124 6 008282

7 008283 8 008285

9 008286 10 008290

Technical line drawing of a firearm with an arrow indicating motion (no text or symbols present)

11 008288 12 008281

13 008128 14 008289

Line drawing of a firearm with an arrow indicating motion (no text or symbols present)

Line drawing of a hand holding a firearm with a curved arm attachment, next to a vertical wall (no text or symbols)

15 008262 16 008263

17 006812 18 006258

19 008285 20 008287

21 006816 22 006817

23 006304

ENGLISH (Original Instructions)
Explanation of general view

1. Red indicator	12. Adjusting knob	23. Reverse button
2. Button	13. Switch trigger	24. Hook
3. Battery cartridge	14. Reversing switch lever	25. Wall
4. Star marking	15. Thumb screw	26. Limit mark
5. Indicator lamps	16. Plane bearing	27. Front cover
6. Check button	17. Dust cover	28. Screws
7. Lever	18. Bit	29. Spring
8. Stopper base	19. Feeder box	30. Arm
9. Label on feeder box	20. Screw strip	31. Recessed part
10. Fenestella	21. Screw guide	32. Carbon brush cap
11. Casing	22. Driving position	33. Hole

SPECIFICATIONS

Model DFR540 DFR550 DFR750
Screw strip 4 x 25 - 55 mm 4 x 45 - 75 mm
No load speed (min ^-1 ) 4,000
Overall length 424 m	464 mm
Net weight	2.0 - 3.0 kg	2.1 - 3.1 kg	2.1 - 3.2 kg
Rated voltage	D.C. 14.4 V	D.C. 18 V	D.C. 18 V

• Due to our continuing program of research and development, the specifications herein are subject to change without notice.
• Specifications may differ from country to country.
• The weight may differ depending on the attachment(s), including the battery cartridge. The lightest and heaviest combination, according to EPTA-Procedure 01/2014, are shown in the table.

Applicable battery cartridge and charger

Battery cartridge	D.C.14.4 V Model	BL1415N/BL1430/BL1430B/BL1440/BL1450/BL1460B
	D.C.18 V Model	BL1815N/BL1820/BL1820B/BL1830/BL1830B/BL1840/BL1840B/BL1850/BL1850B/BL1860B
Charger		DC18RC/DC18RD/DC18RE/DC18SD/DC18SE/DC18SF

• Some of the battery cartridges and chargers listed above may not be available depending on your region of residence.

WARNING:

- Only use the battery cartridges and chargers listed above. Use of any other battery cartridges and chargers may cause injury and/or fire.

Intended use

ENE033-1

The tool is intended for screw driving in wood, metal and plastic.

General power tool safety warnings

GEA010-2

WARNING: Read all safety warnings, instructions, illustrations and specifications provided with this power tool. Failure to follow all instructions listed below 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 SCREWDRIVER SAFETY WARNINGS

GEB139-1

1. Hold the 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. Always be sure you have a firm footing.

Be sure no one is below when using the tool in high locations.

1. Hold the tool firmly.
2. Keep hands away from rotating parts.
3. Do not touch the bit or the workpiece immediately after operation; they may be extremely hot and could burn your skin.
4. Always secure workpiece in a vise or similar hold-down device.

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 ENC00

ENC007-12

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. The contained lithium-ion batteries are subject to the Dangerous Goods Legislation requirements. For commercial transports e.g. by third parties, forwarding agents, special requirement on packaging and labeling must be observed.

For preparation of the item being shipped, consulting an expert for hazardous material is required. Please also observe possibly more detailed national regulations.

Tape or mask off open contacts and pack up the battery in such a manner that it cannot move around in the packaging.

1. Follow your local regulations relating to disposal of battery.
2. Use the batteries only with the products specified by Makita. Installing the batteries to non-compliant products may result in a fire, excessive heat, explosion, or leak of electrolyte.

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 (Fig. 1)

• Always switch off the tool before installing or removing of the 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. Always 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. Install it fully until the red indicator cannot be seen. If not, it may accidentally fall out of the tool, causing injury to you or someone around you.
• Do not use force when installing the battery cartridge. 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)

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, release the trigger switch on the tool and stop the application that caused the tool to become overloaded. Then pull the trigger switch again to restart.

If the tool does not start, the battery is overheated. In this situation, let the battery cool before pulling the trigger switch 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 the indicator (Fig. 3)

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

Indicator lamps			Remaining capacity
[34V4]	[74H9]	[24HZ]
Lighted Off Blinking
[01HS]			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.

Setting for desired screw length (Fig. 4)

There are 7 positive-lock screw length settings. To obtain the desired setting, pull out the stopper base while depressing the lever until you see the number of the desired screw length (indicated on the label on feeder box) appear to rest in the fenestella of stopper base. See the table below for the relation between the number indicated on the label on feeder box and the respective screw length.

For Models DFR540, DFR550

Number indicated on the label Screw length
25 25 mm
30 30 mm
35 35 mm
40 40 mm
45 45 mm
50 50 mm
55 55 mm

008238

For Model DFR750

Number indicated on the label Screw length
45 45 mm
50 50 mm
55 55 mm
60 60 mm
65 65 mm
70 70 mm
75 75 mm

008241

Adjusting the driving depth (Fig. 5)

Depress the stopper base as far as it will go. While keeping it in this position, turn the adjusting knob until the bit tip projects approx. 5 mm from the stopper base. Drive a trial screw. If the screw head projects above the surface of the workpiece, turn the adjusting knob in the "A" direction; if the screw head is counter-sunk, turn the adjusting knob in the "B" direction.

Switch action (Fig. 6)

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. Release the switch trigger to stop.

Reversing switch action (Fig. 7)

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.

CAUTION:

• Always check the direction of rotation before operation.
• 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.
• When not operating the tool, always set the reversing switch lever to the neutral position.

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.

Installing or removing the bit

Loosen the thumb screws which secure the casing. Pull out the casing in the direction of the arrow. (Fig. 8) Press the dust cover toward the plane bearing and pull out the bit. If the dust cover cannot be moved as far as the plane bearing, try it again after turning the bit slightly. To install the bit, insert it into the socket while turning it slightly. After installing, always make sure that the bit is securely held in place by trying to pull it out. (Fig. 9)

Installing screw strip

Insert the screw strip through the screw guide. Then insert it through the feeder box until the first screw reaches the position next to the driving position. (Fig. 10 & 11)

Removing screw strip

To remove the screw strip, just pull it out in the direction of the arrow. If you depress the reverse button, you can pull out the screw strip in the reverse direction of the arrow. (Fig. 12 & 13)

Folding screw guide (Fig. 14)

Screw guide is foldable. Folding the screw guide allows space used for storage to be minimal.

Carry hook

The carry hook is convenient for temporarily hooking the tool. It can be installed on either side of the tool. When removing the carry hook, widen it by pressing its right ends ON BOTH SIDES in the directions of arrow (1) and raise it in the direction of the arrow (2). (Fig. 15)

OPERATION

Driving operation (Fig. 16)

Switch on the tool by pulling the switch trigger. Hold the tool squarely and firmly up against the driving surface. A screw will be automatically carried to the driving position and fastened.

CAUTION:

• Always check the bit carefully for wear before driving operations. Replace a worn bit or poor fastening may result.
• Always hold the tool squarely against the driving surface. Holding it at an angle may damage the screw heads and cause wear on the bit. This may also lead to poor fastening.
  • Always keep the tool firmly against the driving surface until the driving is over. Failure to do so may cause insufficient fastening of screws.
• Be careful not to drive a screw onto another screw already fastened.
• Do not operate the tool without screws. It will damage the driving surface.
• Do not apply oil or grease on the sliding surface of the feeder box.

Driving in corner (Fig. 17)

This tool can be used to drive at a position 15 mm away from the wall as shown in the figure.

CAUTION:

- Driving at a position closer than 15 mm to the wall or driving with the stopper base in contact with the wall may damage the screw heads and cause wear on the bit. This may also lead to poor fastening of screws and malfunction of the tool.

MAINTENANCE

CAUTION:

• Always be sure that the tool is switched off and the battery cartridge is removed before attempting to perform inspection or maintenance.
• Never use gasoline, benzine, thinner, alcohol or the like. Discoloration, deformation or cracks may result.

Replacing carbon brushes (Fig. 18)

Replace when they wear down to the limit mark. Keep the carbon brushes clean and free to slip in the holders.

Both carbon brushes should be replaced at the same time. Use only identical carbon brushes.

Loosen the thumb screws which secure the casing. Pull out the casing in the direction of the arrow. (Fig. 19)

Use a screwdriver to remove two screws then remove the front cover. (Fig. 20)

Raise the arm part of the spring and then place it in the recessed part of the housing with a slotted bit screwdriver of slender shaft or the like. (Fig. 21)

Use pliers to remove the carbon brush caps of the carbon brushes. Take out the worn carbon brushes, insert the new ones and replace the carbon brush caps in reverse.

(Fig. 22)

Make sure that the carbon brush caps have fit into the holes in brush holders securely. (Fig. 23)

Reinstall the front cover and tighten two screws securely. To maintain product SAFETY and RELIABILITY, repairs, any other maintenance or adjustment should be performed by Makita Authorized 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.

• Drywall screw strip
• Phillips bit
• Various type of Makita genuine batteries and chargers
• Plastic carrying case

NOTE:

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

Noise

ENG905-1

The typical A-weighted noise level determined according to EN62841:

Model DFR540

Sound pressure level ( L_pA ): 77 dB (A)

Uncertainty (K): 3 dB (A)

The noise level under working may exceed 80 dB (A).

Model DFR550

Sound pressure level ( L_pA ): 78 dB (A)

Uncertainty (K): 3 dB (A)

The noise level under working may exceed 80 dB (A).

Model DFR750

Sound pressure level ( L_pA ): 76 dB (A)

Uncertainty (K): 3 dB (A)

The noise level under working may exceed 80 dB (A).

ENG907-1

• The declared noise emission value(s) has been measured in accordance with a standard test method and may be used for comparing one tool with another.
• The declared noise emission value(s) may also be used in a preliminary assessment of exposure.

WARNING:

- Wear ear protection.

• The noise emission during actual use of the power tool can differ from the declared value(s) depending on the ways in which the tool is used especially what kind of workpiece is processed.
• 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).

Vibration

ENG900-1

The vibration total value (tri-axial vector sum) determined according to EN62841:

Work mode: screwdriving without impact

Vibration emission ( a_h ): 2.5 m/s ^2 or less

Uncertainty (K): 1.5 m/s²

ENG901-2

• The declared vibration total value(s) has been measured in accordance with a standard test method and may be used for comparing one tool with another.
• The declared vibration total value(s) 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 value(s) depending on the ways in which the tool is used especially what kind of workpiece is processed.
• 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

The EC declaration of conformity is included as Annex A to this instruction manual.

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