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[3] DISASSEMBLY/ASSEMBLY

[3] -2. Armature, Spiral bevel gear [small one]

DISASSEMBLING

(1) Remove Spiral bevel gear (small) from the drive end of Armature as drawn in 

Fig. 2

.

Fig. 2

1. Remove Rear cover by unscrewing 

    one 4x18 Tapping screw.

4x18 Tapping screw

4x50 Tapping screw

4. Unscrew four Tapping screws. Then separate Gear housing cover from Spacer while applying a slotted 

    screwdriver to the notch on Gear housing cover on belly side. 

Rear cover

2. Shift Spiral spring from

    Carbon brush top.

3. Disconnect Carbon brush from

  commutator by pulling up.

Note

: No need to remove Carbon

   brush 

in this step.

Notch on

Gear housing cover

Gear housing cover

Armature

Gear housing

cover
Compression

spring 33

Brake shoe

holder complete

5. Remove M6 Hex nut to turn it with Wrench 10

    counterclockwise. Then, remove Flat washer 6

    and small Spiral bevel gear from Armature.

6. Remove Gear housing cover with 1R045.

    Then, remove Compression spring 33 and

    Brake shoe holder complete.

Caution

: Be careful that the cover and the spring

                may jump out from Armature side

                due to recoil force by the spring.

Flat washer 6
Spiral bevel 

gear (small) 

M6 Hex nut

1R045

Gear housing cover

Gear housing

Spacer

Wrench 10

Armature

Summary of Contents for GA4041

Page 1: ...h sets Wire bevel brush sets Wheel covers for wire bevel brush sets Diamond wheels Dust collecting wheel guards Abrasive cut off wheels Wheel covers Sanding lock nut etc Specification Continuous Rating W Voltage V Cycle Hz Input Output 700 Max Output W 110 120 220 230 240 11 10 5 3 5 4 8 50 60 50 60 50 60 50 60 50 60 1 100 1 100 1 100 1 100 1 100 1 300 1 300 1 300 1 300 1 300 Current A 700 127 9 1...

Page 2: ...ng retainer wrench removing Bearing retainer 20 33 from Bearing box 1R350 Ring 60 supporting Gear housing when disassembling Shaft lock mechanism 2 LUBRICATION Fig 1 Item No Description Gear housing Gear housing cover Lubricant Amount Portion to lubricate Coupling Spindle Model No GA4041 GA4541C GA4541 GA5041C GA5041 GA4543C GA4041C GA5043C GA4043C GA6041 Smaller spiral bevel gear on armature shaf...

Page 3: ... 3 Disconnect Carbon brush from commutator by pulling up Note No need to remove Carbon brush in this step Notch on Gear housing cover Gear housing cover Armature Gear housing cover Compression spring 33 Brake shoe holder complete 5 Remove M6 Hex nut to turn it with Wrench 10 counterclockwise Then remove Flat washer 6 and small Spiral bevel gear from Armature 6 Remove Gear housing cover with 1R045 ...

Page 4: ...earing 627DDW 1R269 Flat washer 7 Insulation washer 1 Assemble the commutator end of Armature as drawn in Fig 4 Note This step is required for the models with electronic control system of GA4041C GA4043C GA4541C GA4543C GA5041C GA5043C Fig 4 2 Press down Self lock 6 until Wave washer 6 gets flat 3 Magnet sleeve is stabilized between Self lock 6 and Wave washer 6 by the reaction force of Wave washe...

Page 5: ...ing 6001LLB 1 Set Brake shoe holder complete and Compression spring 33 to Armature 3 Supporting Armature section with 2 pcs of 1R258 press Gear housing cover to Armature section with 1R028 1R258 1R028 Compression spring 33 Brake shoe holder complete Groove of Gear housing cover Compression spring 33 Ball bearing 6001LLB Armature 4 Set Spiral bevel gear small and Flat washer 6 to Armature shaft The...

Page 6: ...itch knob to OFF position 2 Assemble Armature section to Motor housing while fitting the wings of Brake shoe complete to the grooves of Spacer 3 Face the notch to the same side as Name plate by twisting Gear housing cover 4 Assemble Gear housing while facing Spindle to the same side as the notch and Name plate Groove of Spacer Spacer Wing of Brake shoe complete Wing of Brake shoe complete Switch p...

Page 7: ... section from Gear housing Bearing box section M4x16 Hex socket head bolt 1R269 2 Remove Ball bearing 696ZZ with 1R269 3 Remove Retaining ring S 9 with 1R291 4 Remove Flat washer 10 Then remove C type plate 5 Receive Bearing box with 1R258 and remove Spindle by pressing it with Arbor press 6 Joint sleeve can be removed Ball bearing 696ZZ Retaining ring S 9 Flat washer 10 C type plate 7 Using 1R291...

Page 8: ...efully to remove large Spiral bevel gear section including Coupling and Ball bearing 6903ZZ from Bearing box 1R286 large Spiral bevel gear Ball bearing 6903ZZ Coupling Flat washer 12 Coupling Ball bearing 6903ZZ large Spiral bevel gear 3 Put large Spiral bevel gear section on 1R258 Then apply 1R232 to Coupling of the gear section 4 Remove Coupling together with Ball bearing 6903ZZ from large Spira...

Page 9: ...Spiral bevel gear Ball bearing 6903ZZ have to be assembled tightly that there is any gaps among them See the left illustration in Fig 10 Fig 10 Incomplete assembling causes gaps DISASSEMBLING 3 DISASSEMBLY ASSEMBLY 3 3 Spiral bevel gear large one Ball bearings 696ZZ 6201DDW cont 1 Clamp Bearing box with Vise Then while fitting the claw of 1R340 to the notch of Bearing retainer 20 33 turn 1R340 clo...

Page 10: ...t Compression spring 4 is assembled to Switch lever in advance 2 Fitting Switch knob to the loop portion of Switch lever and the claw portion of Switch plate hold Switch knob And then release Switch lever The hook of Switch knob interlocks with the hole of Switch lever when Switch lever is pushed back to OFF position by Compression spring 4 Switch knob Switch lever Switch plate Switch lever Compre...

Page 11: ...ng by twisting the screwdriver Fig 14 Fig 15 Switch block Controller DISASSEMBLING 3 7 Brush Holder DISASSEMBLING Insert Slotted screwdriver into the gap between Switch and Switch block While fitting the tip of the screwdriver to the side groove of Switch remove Switch by prying it off Remove 3x10 Tapping screw Then insert Slotted screwdrivers into the gap between Motor housing and Brush holder s ...

Page 12: ...n cap Pin cap Compression spring 8 1R268 1R350 Fig 16 Fig 17 1 Disassemble Bearing box section as drawn in the upper two illustrations in Fig 7 2 Disassemble Shaft lock mechanism as drawn in Figs 16 and 17 Fig 18 Fig 19 1 Be sure to use a new Pin cap for replacement and to remove all the plastic dust on Shoulder pin 6 Fig 18 2 Assemble the Parts for Shaft lock mechanism as drawn in Fig 19 Plastic ...

Page 13: ... suppressor 7 Black lead wire is used for some countries White lead wire is used for some countries 8 6 1 4 5 2 3 Switch block without Controller Field Brush holder 5 7 Switch Noise suppressor GA4041 GA4541 GA5041 GA6041 Fig D 1B Color index of lead wires sheath Blue Brown Switch block Noise suppressor is installed in Switch block Noise suppressor is not used for some countries Black lead wire is ...

Page 14: ...P 14 14 Wiring diagram Fig D 2 Wiring of Lead wires of Power supply cord Put Lead wires of Power supply cord into this place designated with gray color ...

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