P 6/20
Repair
[3]DISASSEMBLY/ASSEMBLY
[3]-2. Top Cap Section
ASSEMBLING
3)Assemble Head valve and Cylinder stay to Top cap (left in Fig. 8); assembling of Top cap section is now completed. Then assemble Top cap section, Top cap spacer and Top cap gasket to Housing as illustrated on right in Fig. 8.
Fig. 8
Assemble Head valve by pressing straight down into Top cap.
Then assemble Cylinder stay to Top cap.
Head valve 
Top cap
Top cap spacer and two Top cap gaskets are directional when assembled to Housing.
Make sure that the holes A, B, C are aligned with the hole of Housing.
M5x80 Hex socket head Bolt (4 pcs)
Top cap section
A
Top cap gasket | B |
|
Note: Be careful not to fall down the eight Compression springs set in Top cap.
Cylinder stay 
Top cap spacer
Top cap gasket 
Housing
C
[3]-3. Driver Bit
DISASSEMBLING
1)Disassemble Top cap and Top cap spacer from Housing as described on left in Fig. 3.
2)Disassemble Driver bit as described in Fig. 9.
Fig. 9
Remove Driver bit by pushing it from Driver guide complete side.
Driver guide complete
After removing Rubber ring 19 (white), pull off Pin 3. Main piston and Piston cap can now be removed
as illustrated below.
Rubber ring 19 |
|
(white) | Piston cap |
Pin 3 | Driver bit |
| |
Main piston |
|
Driver bit | Main piston |