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epair

[1] NECESSARY REPAIRING TOOLS

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

Code No.

Description

Use for

1R045

Gear extractor (Large)

separate Armature from Gear housing cover

1R049

Drill chuck remover 15

fixing Spiral bevel gear 37 when removing Spindle

1R050

Drill chuck remover 22

1R232

Pipe 30

removing Cup ring and Ball bearing 6903ZZ from Spiral bevel gear 37

1R258

V block

supporting Bearing box

1R268

Spring pin extractor M3

disassembling Shaft lock mechanism

1R269

Bearing extractor

removing Ball bearings 627DDW/ 696ZZ from Armature

1R281

Round bar for Arbor 7-50

removing Switch knob from Switch lever

1R286

Round bar for Arbor 12-50

removing Spiral bevel gear 37 section from Bearing box

1R291

Retaining ring S & R pliers removing Retaining ring S-9

1R340

Bearing retainer wrench

removing Bearing retainer 20-33 from Bearing box

1R350

Ring 60

supporting Gear housing when disassembling Shaft lock mechanism 

Apply Makita grease to the following portions designated with the black triangle and gray triangle to protect parts and

product from unusual abrasion.

[2] LUBRICATION

Fig. 1

Item No.

Description

Gear housing
C-type plate

Lubricant

Amount

Portion to lubricate

Coupling
Spindle

Gear room

15 g

a little
a little
a little

70

56

1

Joint sleeve

Spiral bevel gear 37

Ball bearing 6903ZZ

56

58

58

Outer surface where  58  Coupling contacts

Drum portion where  58  Coupling contacts

Cylindrical portion where  56  C-type plate contacts 

Makita Grease FA No. 2:

Makita Grease FA No. 2:

Makita Grease FA No. 2:

Makita Grease SG No. 0: 

1

70

Summary of Contents for SA4540C

Page 1: ...Input Output 840 Max Output W 110 120 220 230 240 13 12 6 7 6 4 6 1 50 60 50 60 50 60 50 60 50 60 1 400 1 400 1 400 1 400 1 400 2 100 2 100 1 800 2 000 2 100 Current A 840 127 12 50 60 2 000 840 840...

Page 2: ...12 50 removing Spiral bevel gear 37 section from Bearing box 1R291 Retaining ring S R pliers removing Retaining ring S 9 1R340 Bearing retainer wrench removing Bearing retainer 20 33 from Bearing box...

Page 3: ...ver to the groove on Gear housing cover Rear cover 2 Shift Spiral spring from Carbon brush top 3 Disconnect Carbon brush from commutator by pulling up Note No need to remove in this step Groove on Gea...

Page 4: ...bber ring 22 Ball bearing 627DDW 1R269 Flat washer 7 Insulation washer 1 Assemble Spiral bevel gear 7 to Armature end by reversing the disassembly procedure Refer to Fig 2 2 Assemble the commutator en...

Page 5: ...LY 3 2 Armature Spiral bevel gear 7 cont 3 3 Spiral bevel gear 37 Ball bearings 696ZZ 6201DDW DISASSEMBLING Note The gear and the ball bearings can be replaced without disassembling the motor section...

Page 6: ...t washer 12 to the possible eccentric position Then put Bearing box on 1R258 1R049 Spindle 1R050 Spindle Joint sleeve Bearing retainer Bearing box Flat washer 12 4 While applying 1R286 to Flat washer...

Page 7: ...Bearing retainer 20 33 Felt ring 17 Felt ring 17 Flat washer 21 Assemble by reversing the disassembly procedure Refer to Figs 8 7 and 6 Note Do not re use the removed Joint sleeve New Joint sleeve has...

Page 8: ...ly push Switch lever in a direction designated with black arrow 2 Switch lever is disconnected from the locking claw of Switch knob Then remove Switch knob Switch Lever Tumbler Switch Lever 1R284 Swit...

Page 9: ...3 Switch block Controller ASSEMBLING Connect Switch block as drawn in Fig D 3 DISASSEMBLING 3 7 Brush Holder DISASSEMBLING Insert Slotted screwdriver into the gap between Switch and Switch block While...

Page 10: ...st Pin Cap Pin Cap Compression spring 8 1R268 1R350 Fig 14 Fig 15 1 Disassemble Bearing box section from Gear housing Refer to Fig 6 2 Disassemble Shaft lock mechanism as drawn in Figs 14 and 15 Fig 1...

Page 11: ...Fig D 1 Brown Controller Noise suppressor is installed in Switch block Noise suppressor is not used for some countries Field Brush holder Noise suppressor 7 Black lead wire is used for some countries...

Page 12: ...re mounting Switch block to Motor housing make sure that these three Connecting terminals of Switch block are not deformed or broken Put Lead wires of Power supply cord into this place designated with...

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