Disassembly /
Assembly No.
08
Disassembly /
Assembly Name
How to replace the connecting
rod/piston
NO.
Disassembly order and method
Remark
1
2
3
4
5
6
7
8
9
10
☞
Detach the #35 jacket from the #26 cylinder case.
☞
Remove #1 dust cap with a (-) screwdriver. Once #1 dust cap has been
removed, #2 retainer, #3 spring and #13 guide pin can be removed.
☞
Using a ring pincer, remove #4 retaining ring from #14 bit guide. Once
the retaining has been removed, #5 selector guide, #6 selector and #9
steel ball can be removed.
☞
Pull out the four #7 bolts (M4*16) by turning them to the left and detach
#36 grease cover and #37 O-ring (B).
☞
Pull out the one #7 bolt (M4*16) by turning it to the left. Using a rubber
hammer, remove #8 crank case cover (B) from #41 crank case.
☞
Pull out the four #27 bolts (M6*30) by turning them to the left and
detach #26 cylinder case and #41 crank case.
☞
Remove #31 piston assembly (#11 O-ring 30 (F), #32 O-ring (E), #33
piston pin, #34 connecting rod) from the crank shaft as shown in the
picture on the left.
☞
After removing #32 O-ring (E), detach #33 piston pin from #31 piston.
☞
Detach the #30 O-ring (F) from the #31 piston.
☞
After replacing the connecting rod/piston, proceed with reassembling in
reverse order of disassembling.
[Caution 1]
♠
Supplement appropriate
amount of grease
(1015g) as loss of some
grease may occur
during replacement
work.
[Caution 2]
♠
When reassembling
select, be careful not to
lose #9 steel ball.
[Caution 3]
♠
When reassembling, be
careful not to lose #28
O-ring(D).
[Caution 3]
♠
When reassembling,
orient the crank shaft as
shown in the picture
above before mounting
the piston assembly.
- 19 -
13
28
8
1
2
36
27
9
Set the connecting part of the
connecting rod of the
crank shaft at an angle of about 5˚ before
assembling/disassembling the piston.
7
35
37
33
30
41
34
26
5˚
32
31
4
6
3
5
7
