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8-3

 

Flowchart of Troubleshooting 

Check the items from the top of the following list. (Description of the item is referred to CIRCUIT DIAGRAM on page 

17/23)    After corrective action, return to the start of Troubleshooting and re-check again. 

 

Symptom 

Cause 

Corrective action 

 
 

 

 

 

8-4

 

No 

Replace Stator Complete 

Controller is broken. 

Rotor is broken. 

Replace Stator Complete. 

Stator is broken. 

Does Tester indicate 0.8V± 0.1V? When tester cannot 
be prepared, go to “Yes”.   
 

Motor runs when the 
machine is switched on. 
Try 10 times. In case of 
running inconstantly, go to 
“No”.   

Check mechanical section 

Replace Stator Complete 

Controller is broken. 

Lead wires are broken. 

Mode indication 
lamp is ON 
 
 

 

 

Connect Connectors firmly. 

Connectors are poorly 
connected. 

Check Lead wires and replace 
them. 

Controller is broken. 

Switch is broken. 

 

 

Terminal is broken. 

Check Terminal, or replace it. 

No problems 

No 

Yes 

Yes 

Yes 

No 

Yes 

< Note > 
Controller of this product is a component part of Stator complete. 
Therefore, Stator complete has to be entirely replaced together with 
Controller, even if the broken Controller is the cause of trouble. 

All of three 
displays for 
Battery fuel are 
ON 

Speed can be 
changed variably 
by operating Dial. 

Battery fuel 
display is ON. 

Motor does not 
run in order, 
because of 
physical cause, 
such as rotor   
rubs on Stator. 

The machine 
shows same 
symptom in spite 
of the above 
corrective actions. 

Some trouble on Mechanism 

No 

Replace Stator Complete 

Controller is broken. 

Replace Stator Complete 

No 

Yes 

Controller is broken. 

Lead wires are broken. 

Replace Stator Complete 

Replace Switch. 

Connectors are poorly 
connected. 

Controller is broken. 

No 

Check Lead wires and replace 
them. 

Connect Connectors firmly. 

Replace Rotor. 

Replace Stator Complete. 

Controller is broken. 

Check Stator complete, or 
replace it. 

Yes 

No 

Содержание DGA417

Страница 1: ...November 2017 Ver 1 CORDLESS ANGLE GRINDER DGA417 DGA467 DGA517 DGA418 DGA468 DGA518 REPAIR MANUAL...

Страница 2: ...anism 15 6 3 1 Disassembly 15 6 3 2 Assembly 15 6 4 Assembly of Stator complete 16 7 CIRCUIT DAIGRAM 17 8 WIRING DIAGRAM 18 8 1 Wiring in Motor housing L before setting Dial section 18 8 2 Wiring in M...

Страница 3: ...Holding Rotor when removing assembling M6 Hex nut 1R045 Gear Extractor large Separating Rotor from Gear housing cover 1R164 Ring Sprig Setting ToolA Press fitting Ball bearing 6201DDW 1R212 A Tip for...

Страница 4: ...4 23 4 LUBRICANTAND ADHESIVE APPLICATION Item of Lubricant Amount of Grease MAKITA Grease R No 00 9 g to Gear room and a little to O ring 26 Fig 1 9g...

Страница 5: ...r housing 2 Fig 3 2 Fitting slotted head screwdriver 3 to the notch 2 of Gear housing cover 1 remove Gear housing cover 1 twisting the screwdriver 3 So Rotor 4 comes out together with Gear housing cov...

Страница 6: ...separated from Gear housing cover 1 Fig 6 5 Ball bearing 629LLB 2 can be removed from Gear housing cover 1 by pushing it with finger Fig 7 6 Applying 1R269 to Ball bearing 607LLB and shaft of Rotor 1...

Страница 7: ...face which will cause unusual noise and trouble Fig 9 8 Assemble Ball bearing 629LLB by pushing into Bearing box portion of Gear housing cover 1 Fig 10 9 Put Gear housing cover on 1R033 aligning the B...

Страница 8: ...ow assemble of Rotor section has been finished Fig 12 13 Mount Gear housing cover together with Rotor to Motor housing facing the notch 2 portion to the same side to Switch lever 4 14 Mount Gear housi...

Страница 9: ...on Fig 13 1 Unscrewing four M4 x 14 Pan head screws separate Bearing box from Gear housing Fig 14 2 Applying 1R269 to Ball bearing 696ZZ and Spindle A B turn Handle of 1R269 3 Now Ball bearing 696ZZ 1...

Страница 10: ...1R032 with Arbor press So Spindle A is shifted from the position where it is Fig 17 7 Applying 1R284 to Spindle A B 1 press with Arbor press So Spindle A B 1 is removed from Bearing box and Gear sect...

Страница 11: ...1DDW 1 is removed from Bearing box Tips Do not reuse the Ball bearing 6201DDW 1 because it has been damaged in the step of Fig 16 Fig 20 10 Remove Felt ring 16 with 1R248 Fig 21 11 Removing Retaining...

Страница 12: ...elt ring 16 1 with 1R252 andArbor press until it stops Fig 24 3 When using 1R164 apply its small diameter 30mm side marked with to Ball bearing 6201DDW 1 And press fit withArbor press until its stops...

Страница 13: ...ng into the Ball bearing 6201DDW 6 Press Spindle A 1 with Arbor press So the Spindle has been mounted to Bearing box section Fig 27 7 Putting Spiral bevel gear 37 1 on 1R291 insert Spindle A 2 into sh...

Страница 14: ...9 Attaching 1R212 B and 1R212 A to 1R003 mount Ring spring 11 1 with the 1R003 Fig 29 10 Press fit Ball bearing 696ZZ withArbor press Now Gear and Bearing box section has been assembled 1R212 A 1R003...

Страница 15: ...pin 4 1 has been removed Fig 32 4 Consequently Shaft lock mechanism is disassembled as shown in photograph to left O Ring 5 1 Shoulder pin 4 2 Compression spring 8 3 Pin cap 4 Do not reuse the remove...

Страница 16: ...ng two Notches 2 of Stator complete 1 to rib formed protrusions 4 of Motor housing L 3 assemble Stator complete Tips Stator complete 1 has to be so mounted that its Terminal portion 5 is located to th...

Страница 17: ...G 16 for each Dial section red blue white AWG 24 for each Connector red black white AWG 28 for each red black white AWG 26 for each red white blue black AWG 26for each Sub controller Connector for Aut...

Страница 18: ...d wires of Stator orange white blue without putting on Pin Aand Pin B Pin A Pin B Inflect thick lead wires of Stator orange white blue toward the bottom of Motor housing L so that they are not pinched...

Страница 19: ...h unit with these Lead wire holders Put Connectors to this place positioning their pieces as follows Connector pieces put on the Controller side Connector pieces with Controller s lead wires The produ...

Страница 20: ...s Switches etc Rotor Stator Gear section etc 3 By running the motor 10 times check the machine to make a correct diagnosis 8 2 Test for the trouble on Controller 0 8 Fig A 1 Preset to diode mode 1R402...

Страница 21: ...Switch is broken Terminal is broken Check Terminal or replace it No problems No Yes Yes Yes No Yes Note Controller of this product is a component part of Stator complete Therefore Stator complete has...

Страница 22: ...on lamp lights up in red and then blinks in blue Supported tool Press the wireless activation button for some seconds and then the wireless activation lamp blinks in green After the wireless activatio...

Страница 23: ...tor connection failure check clean 1 3 Sub controller check replace 1 3 Controller check replace Step Defective parts Corrective action 1 Power switch check replace 1 2 3 Wireless unit complete check...

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