Makita DFT087F User Manual Download

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August 2022

Ver.1

OFFICIAL USE

For ASC

CORDLESS SCREWDRIVER

DFT087F, DFT129F

REPAIR MANUAL

Summary of Contents for DFT087F

Page 1: ...August 2022 Ver 1 OFFICIAL USE For ASC CORDLESS SCREWDRIVER DFT087F DFT129F REPAIR MANUAL...

Page 2: ...ing A 18 10 TROUBLESHOOTING 19 10 1 Note for Repairing 19 10 2 Test for checking the short circuit in FET Field Effect Transistor of controller 19 12 CHECK LIST FOR TROUBLESHOOTING 20 13 APPROXIMATE E...

Page 3: ...de No Description Use for 1R003 Retaining ring pliers ST 2N removing assembling Ring spring 9 and Retaining ring S 10 1R212 A Plier tip for 1R004 small using with 1R003 1R212 B Plate set with screws 1...

Page 4: ...ut with a screwdriver or the like magnetized with 1R288 6 1 2 Assembling Fig 4 1 Assemble Steel balls 2 4 2 2 pcs with a thin slotted screwdriver 1 Tips Apply some grease to Steel balls 2 4 2 2 pcs so...

Page 5: ...en Unit Herutu s module 4 is used Fig 8 5 Remove Pan head screws M3x20 1 8 pcs then remove Housing L 2 Note Be careful not to fall off Hex nuts M3 8 pcs from Housing R Fig 9 6 Remove the following par...

Page 6: ...Remove Tapping screws PT 2x6 2 3 pcs from Stator 1 with a No 1 Phillips screwdriver then remove Circuit board 3 Note Be careful not to strip the head of Tapping screw PT 2x6 2 Fig 13 11 Remove Flat he...

Page 7: ...crewdriver 4 Assemble the electrical parts in accordance with Circuit diagram and Wiring diagram Note Be careful not to strip the head of Tapping screw PT 2x6 3 Fig 16 5 Assemble the following parts t...

Page 8: ...ession spring 2 3 Switch lever 4 USB cover 5 Note Stay USB cover 5 close Plate 6 Note Assemble Plate 6 so that its surface with numerical value faces Housing L 7 Fig 20 9 Assemble Housing L 1 with Pan...

Page 9: ...t Herutu s module 1 is used 11 Assemble Cover 3 to Housing L 2 with Pan head screw M3x10 4 Fig 22 12 Assemble O ring 22 1 Fig 23 13 Tighten Lock nut M28 black 2 to the specified torque by turning a 30...

Page 10: ...pression spring 10B 3 and Flat washer 10 4 Fig 25 3 Loosen Lock nut M12 2 by usingAdjust grip 1 until it gets loose 4 Remove Adjust spring 3 by turning Lock nut M12 2 Left handed clockwise Fig 26 5 Re...

Page 11: ...following parts to Cam D 1 and Spindle 2 Steel balls 4 3 3 pcs Steel balls 5 0 4 3 pcs Cam F 5 Note Apply the specified grease to the following parts Steel ball 4 3 Steel ball 5 4 for fall off preven...

Page 12: ...33 5 AssembleAdjust ring 2 to Spindle 1 Fig 34 6 Screw Lock nut M12 2 Left handed to Spindle 1 by turning it counterclockwise Fig 35 7 Assemble the following parts to Spindle 1 then assemble Retainin...

Page 13: ...plete B DFT129F 5 Spur gears 13 DFT087F Spur gears 19 DFT129F 6 3 pcs Internal gear 47 7 CarrierA DFT087F Carrier C DFT129F 8 Ball bearing 6805LLB 9 Needle cages 205 10 3 pcs DFT129F only 6 4 2 Assemb...

Page 14: ...ars 19 3 3 pcs to the pins 3 pcs of Spur gear 17 complete B 1 Note Apply the specified grease to Needle cages 205 2 3 pcs and the inner teeth of Internal gear 47 4 Fig 42 6 Assemble Lock washer 2 to G...

Page 15: ...rcuit 5 Flag receptacle with lock 250 t 0 8 15 LED circuit A 6 Flag receptacle with lock 187 t 0 8 16 Sensor board 7 Connector 17 Terminal unit 8 Connector for Herutu s module 18 Controller 9 Switch 1...

Page 16: ...oute LED circuit Alead wires Sensor circuit lead wires between Rib A and F R change lever 10 Be careful not to put Lead wires on under Sensor circuit 11 Be careful not to put LED circuit B lead wires...

Page 17: ...ng Lead wires in this groove LED circuit Alead wires LED circuit B lead wires Sensor circuit lead wires USB circuit lead wires Lead wires for Stator 16 Be careful not to put Lead wires on under Buzzer...

Page 18: ...5 Place Connector 3 pin No connection in Opening A 6 Pass Connector 3 pin No connection lead wires through Opening A 7 Be careful not to put Connector 3 pin No connection and Lead wires on this rib h...

Page 19: ...iable resistance value or electrical continuity at contact points 1R402 B 1R412 For checking whether LED lights up 1R413 For checking variable resistance value or electrical continuity at contact poin...

Page 20: ...lutch works Abnormal noise Absolutely no rotation See page 22 Check if LED job light Buzzer and LED indicator work properly when the battery is inserted LED job light Buzzer and LED indicator do not w...

Page 21: ...ugh Battery is set in place on Charger the green lamp on Charger still keeps on blinking The yellow charging lamp on Charger is blinking Battery cannot be charged Remarkable decrease in work volume fr...

Page 22: ...pacity is too low Charge Battery The contacts of Battery and the machine have dust Remove the dust The connector of Switch is not connected Connect it securely Stator is broken Replace Stator Controll...

Page 23: ...etween Lead wires and Terminal is loose or Terminal is broken Replace Terminal Replace Battery Controller is broken Stator is broken Rotor is broken Replace Rotor Replace Stator The rotational speed s...

Page 24: ...in an overload work LED indicator lights up in red or blinks alternately in red and green Check the machine limit capacity Clutch is broken Replace Rotor Rotor is broken Connectors of Sensor circuit...

Page 25: ...a click when LED indicator lights up in green Replace Clutch assembly The machine is in an overload work The indicator lights up in red or blinks alternately in red and green Trigger switch has been...

Page 26: ...rely The connector of the light is not connected Controller is broken Replace Controller Buzzer does not beep when Battery is inserted Charge Battery Battery is not charged Replace Buzzer circuit Buzz...

Page 27: ...e broken or its service life has expired The machine is in an overload work Rotor is broken Auto battery shut off system does not work Check the machine limit capacity Replace Controller Controller is...

Page 28: ...the charger Lead wire s in the charger are broken Circuit board of the charger is broken Connector s in the charger are disconnected The charger is unplugged Power supply cord of the charger is broken...

Page 29: ...r lights up in red then immediately start blinking in green Connect it securely Replace Circuit board Circuit board of the charger is broken Charging lamp on the charger blinks in red and green altern...

Page 30: ...dedicated app Insert Battery The connector of USB circuit is disconnected The machine is not recognized by the app Battery is not inserted in the machine USB communication does not work Reconnect it...

Page 31: ...r Switch Terminal Other parts NOTE The above values are approximate and may vary depending on the usage conditions Regularly checking of tightening torque is recommended Durability test conditions are...

Page 32: ...automatically to avoid incomplete tightening when the battery capacity is almost exhausted At this time LED indicator lights up in red and Beeper starts beeping Electronic functions and Electronic re...

Page 33: ...f Maintenance alarm using the dedicated app 16 2 When a screw is tightened incompletely or when there is some trouble with the machine Function Indication Cause Corrective action LED indicator Beeper...

Page 34: ...tion LED indicator Beeper Not communicated Communication is impossible Connecting to PC Blinks in yellow No beep Although the machine is connected with PC communication is not available Restart the de...

Page 35: ...e dedicated app Makita Industry Tool Settings When setting up and using the dedicated app follow the instructions in the instruction manual for the app Compatible OS Windows 7 8 8 1 10 Installing the...

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