P
6
/1
4
R
epair
[4] DISASSEMBLY/ASSEMBLY
[4]-3. Trigger valve section
DISASSEMBLING
Remove Contact arm cover by unscrewing
M5x20 Hex socket head bolt.
Separate Contact arm from Slide
plate after removing Urethane
ring 3 using slotted screwdriver.
Fig. 9
Contact arm
M5x20 Hex
socket head bolt
Contact arm cover
Note: Trigger valve section can be replaced without removing Magazine section and Driver guide from Housing set.
(1) Remove Contact arm and Holder as illustrated in Fig. 9.
Urethane ring 3
Slide plate of
Adjuster assembly
Contact arm
Holder
Remove Holder by unscrewing
M5x12 Hex socket head bolt.
M5x12 Hex
socket head bolt
Adjuster assembly
Fig.10
Fig. 11
Spring pin 3-20
Spring pin 3-32
(For securing Trigger valve case)
(For securing Trigger
assembly)
Trigger valve
stem
Trigger valve section
Trigger
assembly
Adjuster
assy
Change rod
Pliers
Remove Trigger assembly and
Change rod from Housing set.
Remove the following Spring pins
with 1R268.
Pull off Trigger valve stem with pliers.
Trigger valve section can be removed
from Housing set.
Pilot valve
Trigger valve guide
slotted screwdriver
Trigger valve case
Separate Trigger valve case from Trigger valve
guide using slotted screwdriver.
Trigger valve guide
Trigger valve stem
Pilot valve
Trigger valve stem
Trigger valve stem
Compression
spring 4
O-ring 15
O-ring 12.5
O-ring 7
(2pcs.)
Trigger valve case
2.5mm
3.0mm
Note: O ring 3 is different from two O-rings 3.
They have to be mounted to Trigger valve
stem as illustrated right.
O ring 3
O-ring 3
O ring 18
(2) Trigger valve section can be disassembled as illustrated in Figs. 10 and 11.
O ring 3 and two O-rings 3 can be replaced.
slotted
screwdriver
