P 7/ 9
R
epair
[3] -3. Disassembling/Assembling Motor Section (cont.)
Do the reverse of disassembling steps.
Important:
1) Yoke unit is not reversible when assembled to Armature. Be sure to assemble so that the notch in Yoke unit is positioned
on the drive-end of Armature. If assembled wrong, the Motor section cannot be assembled to Housing (L). (
Fig. 17)
2) Because Yoke unit is a strong magnet, when assembling Armature to Yoke unit, be sure to hold the commutator portion
as illustrated to left in
Fig. 18. Do not hold the Armature core as illustrated to right or your fingers will be pinched
between Yoke unit and the fan of Armature that is pulled strongly by the magnet force.
Fig. 17
Fig. 18
ASSEMBLING
3) When assembling the Motor section to Housing (L),
fit the notch in Yoke unit onto the projection on
Housing (L) (Fig. 19)
Your fingers can be pinched
and injured.
[Wrong]
[Correct]
[Wrong]
[Correct]
Notch
Fig. 19
Notch
Housing (L)
Projection
Hammer
case side
