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[3] DISASSEMBLY/ASSEMBLY
[3]-4. Motor Section (cont.)
ASSEMBLING
ASSEMBLING
Hammer case complete
Bearing box complete
Engage the drive-end of Armature with spur gear 22
in Hammer case complete.
Drive-end of Armature
protrusion for
fitting to Notch
When setting Motor section to Housing set (L), fit the notch on Yoke unit
to the protrusion of Housing set (L).
(2) Assemble Armature to Brush holder complete. Refer to Fig. 18.
(3) Insert drive-end of Armature into Bearing box complete as illustrated in Fig. 22.
Fig. 22
Fig. 23
Fig. 24
[3]-5. Assembling of Inner Parts to Housing Set (L)
Housing set (L)
Assemble the inner parts (Brush holder complete, Yoke unit, Armature, Hammer case complete) to Housing set (L) at a time.
Refer to Figs. 23 and 24.
notch
rib
Fit Yoke unit’s edge
to rib on the Hammer
case side.
rib
Yoke unit
Yoke unit
Hammer case
complete
The flat portion of Brush holder complete
must be at 90 degrees to the edge surface
of Housing set (L).
Housing set (L)
Flat portion of
Brush holder complete
90 degrees
Brush holder complete
Switch
Assemble Hammer case complete,
facing its Stopper portion to Switch.