R
epair
P 2 / 10
< 1 > Replacing armature and spiral bevel gear 9
1) Take off tapping screw 4x18 and detach rear cover from motor housing.
And detach carbon brush as illustrated in Fig1.
Tapping screw 4x18
Rear cover
Motor housing
Carbon brush
Fig. 1
2) Put the torsion spring installed on brush holder, on the side of brush holder after detaching carbon brush
as illustrated in Fig.2. This is necessary for avoiding to scratch the armature's commutator, when armature is
pulled out from motor housing.
3) After pulling out armature from motor housing, remove retaining ring 6 with retaining ring plier, and detach
spiral bevel gear 9 as illustrated in Fig.3.
4) Remove armature from gear housing cover
by pressing the armature shaft with arbor press
as illustrated in Fig.4.
5) Take reverse step of the above, when
assembling armature and spiral bevel gear.
Fig.2
Fig.2A
The torsion spring put on the side of
brush holder
The torsion spring positioned as illustrated
in Fig.2A can scratch the armature's commutator.
Torsion spring
Brush holder
It is not necessary to remove brush holder itself, when removing armature.
Motor housing
Spiral bevel gear 9
Gear housing cover
Retaining ring 6
Armature
Fig.3
Gear housing cover
Armature
Flat washer 12
Bal bearing 6001LLB
Press
Fig.4