P 19/20
Repair
[3]DISASSEMBLY/ASSEMBLY
[3]-9. Driver Guide, Feed Piston
DISASSEMBLING
1)Disassemble Driver guide section and Feed piston as described in Figs. 37, 38, 39.
Fig. 37
Remove Contact arm cover from Housing by unscrewing M5x16 Hex socket head bolt.
Because two Compression springs are mounted in Driver guide complete, remove Retaining ring
Slowly remove Cup washer so that two Compression springs do not pop out. Then remove Compression spring 10, Compression spring 9 and Rubber ring 14.
Compression
M5x16 Hex socket head bolt
Retaining ring 
Cup washer
spring 10
Cup washer
Compression spring 9
Contact arm cover | Driver guide |
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| complete |
Rubber ring 14
Fig. 38
Remove Driver guide complete and Contact arm assembly by unscrewing two M5x12 Hex socket head bolts.
Contact arm assembly
Remove Urethane ring 4 and Pin 4.5 from Driver guide complete.
Driver guide complete, viewed from Contact arm cover side
Remove Feed piston from Feeding claw.
Note:
Be careful not to lose Compression spring 3 mounted between Feed piston and Feeding claw.
Feed piston | Feeding claw |
Driver guide | Urethane | Remove O ring 19 | Compression | |
from Feed piston. | ||||
gasket | ||||
ring 4 | spring 3 | |||
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| Driver guide | Pin 4.5 |
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M5x12 Hex socket | complete |
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head bolt |
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Fig. 39 |
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Remove Urethane ring 3 from Pin 4 and Lock pin.
Urethane ring 3
Lock pin
Urethane ring 3
Remove Pin 4. Then, pressing down Lock pin to unhook |
| Remove Door from |
it from Driver guide complete, remove it together with |
| Driver guide complete. |
Compression spring 5. |
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Compression spring 5 |
| Door |
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Lock pin
Pin 4
