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4
PILOT VALVE
DISASSEMBLY AND ASSEMBLY
3. Take out the plug (5) and remove the push rod (6) from
the plug (5).
• If it is hard to remove, use a flat-bladed screw-
driver
.
• Watch out for the plug popping out due to spring
pressure.
4. Remove the O-ring (7) and the seal (8) from the plug.
5. Remove the reducing valve (12) and the spring (13).
• To avoid misconnection when reassembling, place
indicators showing the matching positions for the
reducing valve and the casing hole.
6. Disassemble the reducing valve.
a. Push in the spring seat (14) to compress the spring
(15) and to move the spool (17) from the small hole
side to the large hole side of the spring seat (14).
• The spring seat cannot be pushed down 6 mm or
more.
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