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2

 

CAUTION 

 

Repair the machine in accordance with “Instruction manual” or “Safety instructions”. 

Follow the instructions described below in advance before repairing: 

· 

Wear gloves. 

· 

In order to avoid wrong reassembly, draw or write down where and how the parts are assembled, and what are the parts. 

 It is also recommended to have boxes ready to keep disassembled parts by group. 

· 

Handle the disassembled parts carefully. Clean and wash them properly. 

 

 

 

3

 

NECESSARY REPAIRING TOOLS 

 

Code No. 

Description 

Use for 

1R041 

Vise plate 

disassembling V-pulley 6-52.9, Helical gear 10 

1R269 

Bearing extractor (small) 

removing Ball bearings 

A-43343 

Socket 24-45 

use with Nut spinner handle 

782412-6 

Lock nut wrench 28 

disassembling Driving roller, 

removing/assembling Poly V-belt 6-355 

Nut spinner handle (Square drive: 12.7 mm) 

disassembling Driving roller 

 

 

 

4

 

LUBRICANT AND ADHESIVE APPLICATION 

 

Apply the following lubricants and adhesives. 

 

Lubricant 

Amount 

 

Makita grease N No.2 

7g 

 

Lubricating oil VG46 

a little 

 

Fig. 1 

 

 

 

Gear room 

Frame 

complete 

Helical gear 42 

complete 

Tension 

roller arm 

Summary of Contents for M9400G

Page 1: ...M9400G REPAIR MANUAL Belt Sander OFFICIAL USE For ASC ...

Page 2: ...CANT AND ADHESIVE APPLICATION 3 5 REPAIR 4 5 1 Armature 4 5 1 1 Disassembling 4 5 1 2 Assembling 6 5 2 Driving Roller 7 5 2 1 Disassembling 7 5 2 2 Assembling 8 5 3 V pulley 6 52 9 Helical gear 10 9 5 3 1 Disassembling 9 5 3 2 Assembling 9 6 Circuit diagram 10 7 Wiring diagram 11 ...

Page 3: ...them properly 3 NECESSARY REPAIRING TOOLS Code No Description Use for 1R041 Vise plate disassembling V pulley 6 52 9 Helical gear 10 1R269 Bearing extractor small removing Ball bearings A 43343 Socket 24 45 use with Nut spinner handle 782412 6 Lock nut wrench 28 disassembling Driving roller removing assembling Poly V belt 6 355 Nut spinner handle Square drive 12 7 mm disassembling Driving roller 4...

Page 4: ... Poly V belt 6 355 is now removed Fig 4 4 While inserting a slotted screwdriver into the hole for Dust bag assembling in order to lock Fan 80 and protecting V pulley 6 23 with a scrap Poly V belt turn V pulley 6 23 clockwise with water pump pliers Now V pulley 6 23 driving V pulley is removed fromArmature shaft M4x18 Pan head screw Belt cover V pulley 6 52 9 Poly V belt 6 355 Lock nut wrench 28 Sl...

Page 5: ... with water pump pliers so that the claw of 1R269 does not slip from the tight gap between the bearing and Insulation washer Then remove Insulation washer fromArmature 8 To protect the screw hole on the other end of Armature shaft temporarily tighten M5x12 Pan head screw for Fan 80 And then remove Ball bearing 6000ZZ fromArmature with 1R269 M4x45 Pan head screw 4x40 Tapping screw 4 pcs Dust collec...

Page 6: ...spikes of Lock nut wrench 28 to the holes of V pulley 6 52 9 3 While pressing the Poly V belt 6 355 with your finger turn V pulley 6 52 9 with Lock nut wrench 28 counterclockwise Poly V belt is now engaged with both V pulleys V pulley 6 23 V pulley 6 52 9 Lock nut wrench 28 Poly V belt 6 355 ...

Page 7: ... nut and Ball bearing 6200ZZ LLB 3 Remove two M4x18 Pan head screws and remove Safety cover Note Make the lever of Tension roller arm flat to Safety cover Otherwise Safety cover cannot be removed Fig 12 4 Insert the two spikes of Lock nut wrench 28 into the holes on Helical gear 42 complete to lock Driving roller M4x18 Pan head screw 3 pcs Gear cover Lever of Tension roller arm M4x18 Pan head scre...

Page 8: ...cket to the hex portion of Driving roller And then remove Driving roller by turning the hex portion of Driving roller clockwise 5 3 2 Assembling 1 Assemble by reversing the disassembly procedure Socket 24 45 Hex portion of Driving roller Nut spinner handle Driving roller ...

Page 9: ... Gear cover section in Vise Fig 15 3 Insert the two spikes of Lock nut wrench 28 into the holes on V pulley 6 52 9 And then remove V pulley 6 52 9 and Helical gear 10 by turning Lock nut wrench 28 counterclockwise 5 4 2 Assembling 1 Assemble by reversing the disassembly procedure 1R041 Helical gear 10 Vise Lock nut wrench 28 V pulley 6 52 9 ...

Page 10: ...ly cord Noise suppressor If it is used White AWG20 Brown Black Blue White AWG American wire gauge Circuit of Switch Terminal block Closed end splice for some countries Insulated terminal for M3 5 screw Non insulated terminal Black AWG18 Black AWG18 View from Fan side ...

Page 11: ...11 12 7 Wiring diagram Fig 17 Field Field lead wire Motor housing Assemble Field as shown below ...

Page 12: ... wire Hole Pass Field lead wires through the hole Fix Field lead wires in Lead wire holders Pass Field lead wires through this groove Switch Groove Lead wire holder Terminal block If it is used Noise suppressor If it is used ...

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