DFR551RTJ - Screwdriver MAKITA - Free user manual and instructions
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| Product type | Cordless hammer drill/driver |
| Brand | Makita |
| Model | DFR551RTJ |
| Rated voltage | 18 V |
| Battery type | Lithium-ion (Li-ion) |
| Screw capacity | Up to 13 mm (wood screws) |
| No-load speed (1st gear) | 0 - 600 rpm |
| No-load speed (2nd gear) | 0 - 1900 rpm |
| Max torque | 115 Nm |
| Number of torque settings | 21 positions |
| Chuck | Keyless, capacity 1.5 - 13 mm |
| Weight (with battery) | Approx. 1.6 kg |
| Dimensions (L x W x H) | 170 x 79 x 242 mm |
| Sound pressure level | 82 dB(A) |
| Sound power level | 93 dB(A) |
| Vibration (drilling in metal) | 2.5 m/s² |
| Vibration (screwdriving) | 1.8 m/s² |
| Power supply | Makita 18 V battery (not included) |
| Main functions | Drilling, screwdriving, hammer |
| Maintenance and cleaning | Clean with a dry cloth; regularly check the carbon brushes |
| Safety | Use hearing and eye protection; do not expose to moisture |
| Spare parts and repairability | Available online and at authorized Makita dealers |
Frequently Asked Questions - DFR551RTJ MAKITA
Which battery should I use with the Makita DFR551RTJ?
Use a Makita 18 V Li-ion battery from the BL18xx series (e.g., BL1815, BL1830, BL1850).
How to change the chuck on the drill driver?
Unscrew the chuck fixing screw (usually clockwise) then remove the chuck by turning counterclockwise. Use an Allen key if necessary.
What to do if the drill driver won't start?
Check the battery charge, the motor carbon brushes (possible wear), and the electrical connections. Consult an authorized Makita service center if the problem persists.
How to adjust the torque setting?
Turn the adjustment ring located behind the chuck to select one of the 21 torque levels. A low level for small screws, high for large ones.
Can I use the drill driver to drill into concrete?
Yes, thanks to the hammer function (hammer position). Adjust the speed and use a suitable concrete drill bit.
How to clean the drill driver after use?
Use a soft, dry cloth. Do not use solvents or abrasive products. Blow dust out of the ventilation slots with compressed air.
What is the typical runtime with a BL1850 battery?
Approximately 200 to 400 screws of 5x40 mm in wood depending on torque, i.e., about 30 to 60 minutes of continuous use.
Is the drill driver compatible with a fast charger?
Yes, it is compatible with Makita DC18RC or DC18RD chargers. Full charge of a 5 Ah battery takes about 45 minutes.
What are the main recommended accessories?
Screwdriver bits (Phillips, Torx, etc.), HSS drill bits, concrete drill bits, and a carrying case (often included with the kit).
How to know if the motor carbon brushes are worn?
Excessive sparks inside the motor, a drop in power, or difficult starting indicate wear. Have them replaced by an authorized Makita service center.
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USER MANUAL DFR551RTJ MAKITA
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Product information
Brand : MAKITA
Model : DFR551RTJ
Category : Screwdriver