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R
epair
<1> Replacing spiral bevel gear 11
(1) Remove tapping screw 4x18 and detach rear cover from motor housing.
And remove carbon brush as illustrated in Fig. 1.
(2) Remove tapping screw 4x28 and detach gear housing from motor housing.
And remove armature with gear housing cover as illustrated in Fig. 1.
Gear housing
Tapping screw 4x28
(3) Detach hex nut M6 and flat washer 6 from armature as illustrated in Fig.2.
Hex nut M6
Spiral bevel gear 11
(4) Remove spiral bevel gear 11 with bearing extractor No.1R269. And remove lock spring 12 by turning it
anti-clockwise. When removing, grip lock spring 12 with gloved hand for anti-skid.
Spiral bevel gear 11
< Note > Replace lock spring 12 together, when replacing spiral bevel gear 11.
(5) When assembling spiral bevel gear 11 to armature, take the reverse step.
Gear housing
cover
Armature
assembly
Motor housing
Spiral bevel gear 11
Flat washer 6
Armature
assembly
Carbon brush
Carbon brush
Fig. 1
Fig. 2
Lock spring 12
Fig. 3
Rear cover
Tapping screw 4x18
P 4 / 10
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