3-135
Fig. 3.433
Fig. 3.436
Fig. 3.435
Fig. 3.434
(4) Disassembling main relief valve
Note: The relief valve should be replaced as an
assembly. Do not disassemble the relief
valve
unless necessary.
① Remove the plug (1) from the cap (2). Loosen
and remove the adjuster kit (3).
② Remove the pilot poppet (2) and spring (3)
from the plug (1).
Note: Tag the spring and poppet that have been
removed for proper reassembly.
③ Remove the sleeve (1). Remove the main
poppet (2) and spring (3).
Note: Tag the spring and poppet that have been
removed for proper reassembly.
Note: Do not try to disassemble the pilot seat (1)
because it is staked.
Remove the “O”-ring (2) and back-up
ring (3) and replace with new ones for
reassembly.
Tag all the disassembled parts by each section so
that they can be reassembled properly.
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