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[3] DISASSEMBLY/ASSEMBLY

[3]-1. Armature, Spiral bevel gear (small), Ball bearing 6201DDW, Ball bearing 6000DDW

DISASSEMBLING

Fig. 2

Separate Gear housing complete 

from Motor housing complete 

together with Armature assembly.

Separate Bearing box from Gear 

housing complete by removing 

four M5x16 Hex socket head bolts.

Carbon brush

Armature assembly

Bearing box

Gear housing complete

Motor housing

complete

5x35 Tapping screw (4pcs.)

Brush holder cap

Locking M7 Hex nut with wrench, 

turn Armature clockwise by hand.

Wrench for locking M7 Hex nut 

M7

Hex nut 

Armature can be pulled off. 

Do not lose M7 Hex nut.

Small spiral

bevel gear

M7 Hex nut 

Armature

Fig. 3

Note

If the work is very difficult due to the seizing

of Small spiral bevel gear, spray lubricant 

between Armature shaft and Small spiral 

bevel gear. And then turn and pull Armature

while holding Small spiral bevel gear with 

pliers and a cloth.

Remove Retaining ring (INT)

R-32 with 1R005 from Gear 

housing complete.

Fig. 4

Fig. 5

Retaining

ring (INT)

R-32

Assemble Armature assembly and Small spiral bevel gear. Tighten 

M7 Hex nut provisionally by turning clockwise. (Refer to 

Fig. 3.

)

Ball bearing 6201DDW can be 

removed together with Armature

by tapping the end of Gear housing 

complete with a plastic hammer.

Felt ring 16 can be removed 

together with Armature. 

Remove Carbon brushes. And then,

remove four 5x35 Tapping screws.

Ball bearing 6201DDW

M7 Hex nut

Small spiral

bevel gear

(1) Disassemble Armature assembly and Small spiral bevel gear as illustrated in 

Figs. 2

 and 

3

.

(2) Disassemble Ball bearing 6201DDW as illustrated in 

Figs. 4

 

and 5

.

M5x16 Hex socket

head bolt (4pcs.)

(3) Disassemble Armature section as illustrated in 

Fig. 6

.

Remove M7 Hex nut and Small spiral bevel gear again. Ball bearing 6201DDW can be removed by hand.

Remove Rubber ring 26 from Ball bearing 6000DDW by hand.

Insert the jaws of 1R269 between Ball bearing 6000DDW and Insulation washer, and remove Ball bearing 6000DDW.

Fig. 6

Ball bearing 6000DDW

Ball bearing

6201DDW

Note

: Do not mistake the directions of

          Insulation washer and Rubber ring 26

          when setting them in place.

Fan 80

Small spiral bevel gear

Felt ring 16

 M7 Hex nut

Ball bearing 6201DDW

Rubber ring 26

Insulation washer

Summary of Contents for GA7050

Page 1: ...2 17 200 7 7 8 250 9 7 8 132 5 3 16 Vibration absorbing side grip Toolless quick adjustable wheel cover Toolless lock nut Dust cover attachment GA7050 Accessories for 180mm angle grinder GA9050 Access...

Page 2: ...r 30 100 1R258 V block Assembling Felt ring 16 to Gear housing Assembling large Spiral bevel gear to Spindle 1R269 Bearing extractor Assembling Disassembling Ball bearings 1R165 Ring spring setting to...

Page 3: ...INT R 32 Assemble Armature assembly and Small spiral bevel gear Tighten M7 Hex nut provisionally by turning clockwise Refer to Fig 3 Ball bearing 6201DDW can be removed together with Armature by tappi...

Page 4: ...the Flat washer to only 0 5mm downwards Remove the Flat washer after setting Felt ring 16 in place Bottom step in Gear housing complete 26mm in outer diameter 0 5mm in thickness Flat washer as a jig...

Page 5: ...ted screwdriver Enlarging the clearance of Ring spring 13 with 1R004 lift up the opposite side with slotted screwdriver Ring spring 13 can be removed Fig 9 Fig 10R Correct setting The following wrong...

Page 6: ...pindle complete when pressfitting Spindle complete to Ball bearing 6202DDW Fig 13 2 Putting Large spiral bevel gear on 1R165 press Spindle into arbor hole of Large spiral bevel gear with Arbor press F...

Page 7: ...elease 1R268 from Pin cap carefully so that Pin cap would not be slung by Compression spring 12 Shoulder pin 11 U groove of turn table of arbor press Pin cap Note Do not reuse Pin cap Removal of Shoul...

Page 8: ...housing on Commutator side Fix Field lead wire black with this Lead wire holder Motor housing viewed from Commutator installation side Do not make any sags of Lead wires in Motor housing Wiring in Han...

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