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4
PILOT VALVE (TRAVEL)
DISASSEMBLY AND ASSEMBLY
19. Separate the spool, secondary pressure spring, shim
and washer.
• When assembling, use the same set of parts as
above.
• The washer is for adjusting the preset value of the
secondary pressure spring, and its thickness differs
for each spool assembly. In some cases this washer
is omitted.
20.
Remove the grease cup from the plug.
21. Remove the packing from the plug.
• Use a small flat head screwdriver or the like for re-
moval.
• Take care not to scratch the inner surface of the
plug.
22.
Remove the O-ring from the plug.
23. Apply rust-inhibiting oil to each part.
• Storing the parts in the washed condition will lead to
the formation of rust and degrade their performance
after reassembly.
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