Makita AF500HP Technical Information page 7

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epair
[4] DISASSEMBLY/ASSEMBLY
[4]-3. Trigger valve section
DISASSEMBLING
First separate Magazine section, Trigger section and Driver guide section. See Fig. 13.
Then remove Trigger valve case. Trigger valve section can be disassembled as illustrated in Fig. 14.
Fig. 13
Remove Spring pin 3-28 with 1R268.
Unscrew M5x18 Hex socket head bolt
and M5x14 Hex socket head bolt.
Magazine, Driver guide section and
Trigger section can be disassembled
from Housing set.
M5x18 Hex socket
head bolt (2pcs.)
Magazine with
Trigger section
Fig. 14
Trigger valve guide B
Compression spring 3
ASSEMBLING
Take the disassembling step in reverse. Refer to Figs. 14 and 13.
When assembling Trigger
valve case, be sure to do as
illustrated in Fig. 15.
Push out Spring pin 3-28 and Spring
pin 3-26 with 1R268 to remove Trigger
valve case in the next step.
No need to remove them completely
from Housing set.
Spring
1R268
pin 3-28
M5x14 Hex
socket head bolt
Main valve
Compression spring 7
Pilot valve
Trigger valve stem
Fig. 15
While supporting 1R268 to Spring pin 3-28
or 3-26 through the opposite hole, strike
the Spring pin.
Spring pins are guided to the opposite hole
by 1R268.
Spring pin 3-26
Spring pin 3-28
Trigger valve guide A
Remove Trigger valve guide A
by striking Housing set with
plastic hammer.
1R268
P 7/ 14
Remove Trigger valve case
by levering up with slotted
screwdriver.
Spring pin 3-26
Spring pin 3-28