Makita AN450H Technical Information - Page 10
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[4] DISASSEMBLY/ASSEMBLY
[4]-7 Front cushion, Trigger valve (cont.)
DISASSEMBLING
(4) Trigger valve section can be disassembled in the order of Figs. 17 and 18.
Fig. 17
Remove the following Spring pins
with 1R268.
Spring pin 3-20
Spring pin 3-30
Fig. 18
Separate Trigger valve case
from Trigger valve guide.
Pilot valve
Trigger valve stem
Trigger valve
Trigger valve
guide
case
Disassemble Trigger
base section and Change
rod from Housing set.
Spring pin 3-32
Adjuster
assembly
O ring 15
Trigger valve guide
Pay attention that O ring 3 is different from O-ring 3 (2pcs.).
Distinguish them by their parts numbers and do not mistake each
position when assembling.
2.5mm
O ring 3
Pull off Trigger valve stem with pliers.
Trigger valve section can be removed
from Housing set.
Change rod
Trigger base
section
O ring 18
O ring 7
O ring 12.5
(2pcs.)
Trigger valve stem
Pilot
Compression
valve
spring 4
Trigger valve stem
P 10/ 16
Trigger
valve stem
Trigger valve section
Trigger valve case
3.0mm