--- 29 ---
(1) Disassembly of the hammering mechanism section
Push in the Second Hammer
[29]
with a drill bit or a screwdriver. Remove the Striker
[37]
chucked by O-ring
(C)
[34]
. Remove the Tapping Screw (W/Flange) D5 x 25 (Black)
[9]
from Gear Cover (A)
[10]
and remove
Gear Cover (A)
[10]
.
Remove from the end of Second Shaft (A)
[49]
, and turn Second Shaft (A)
[49]
so that the Piston
[39]
moves
to its maximum upper position (inner cover side). The arm of the Reciprocating Bearing
[51]
can then be
disconnected from the Piston Pin
[50]
, and Second Shaft (A)
[49]
and the components mounted on it can be
removed from the Inner Cover Ass'y
[42]
as a unit.
With a bearing puller, remove the First Gear
[53]
from Second Shaft (A)
[49]
. Then take off the Reciprocating
Bearing
[51]
. At this time, carefully note that the First Gear
[53]
must be aligned with and press-fitted onto the
9 mm diameter end of Second Shaft (A)
[49]
.
(2) Removal of Change Lever (A)
[19]
As shown in Fig. 16-1, remove the Tapping Screw D2.6 x 10
[22]
and turn Change Lever (A)
[19]
counterclockwise (in the arrow direction) until " " mark on Change Lever (A)
[19]
points right below. Then
Change Lever (A)
[19]
can be removed. Be careful not to lose the Steel Ball D3.97
[23]
. After removal of
Change Lever (A)
[19]
, the Second Pinion
[43]
, Clutch Spring
[44]
, Clutch
[45]
and Lock Plate
[48]
can be
removed as a unit as shown in Fig. 16-2.
9. PRECAUTIONS IN DISASSEMBLY AND REASSEMBLY
The numbers in
[Bold]
correspond to the item numbers in the Parts List and exploded assembly diagrams.
9-1. Disassembly
Change Lever (A)
[19]
Second Pinion
[43]
Tapping Screw
D2.6 x 10
[22]
Fig. 16 - 1
Fig. 16 - 2
Clutch Spring
[44]
Clutch
[45]
Lock Plate
[48]
