10-2. Valve Guide Assembly and Valve Assembly Replacement
Work
Applicable
model
category
AR20M
Disassembly
AR30M
AR40M
Assembly
Cap
(7) Valve assembly (upside down)
Valve sliding O-ring and
check valve seal
Step
1) Remove the cap.
Insert a precision screwdriver (-) between the
body and cap to lift the cap.
2) Remove the cover.
Insert round pliers into the small holes of the
cover and rotate 45 degree to the left or right,
then lift the cover to remove.
3) Remove the valve guide assembly.
Remove it while lifting the circumferential part
with a precision screwdriver.
4) Remove the valve spring.
5) Remove the valve assembly.
6) After replacing the removed components with
new components, place them into the regulator.
Assemble the components in reverse order to
the removal procedure.
Precision
screwdriver
inlet
Valve seat
(
)
screwdriver (-)
Round pliers
Nominal: 125
screwdriver (-)
(-)
pliers inlet
Round
(4 holes)
-16-
Tool
Criteria
Precision
Precision
-
-
(See below for the mounting
direction of the components.)
-
Cap
Cover
(9)
Valve guide assembly
Valve spring
(7)
Valve assemby
Regulator
-
-
-
-
-
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