3-136
Fig. 3.439
Fig. 3.438
Fig. 3.437
(5) Disassemble port relief valve
Note: If the port relief valve has a higher pressure
setting than the main relief valve, do not
try to adjust the port relief valve. Replace
the port relief valve with a new one whose
pressure setting is factory set.
① Remove the plug (1) from the cap (2). Loosen
and remove the adjuster kit (3).
② Remove the wave washer (2) from the plug
(1) and then remove the pilot poppet (3) and
spring (4).
Note: Tag the spring and poppet that have been
removed for proper reassembly.
③ Remove the sleeve (1) and then remove the
poppet (2), piston (3) and spring (4).
Note: Tag the spring and poppet that have been
removed for proper reassembly.
Tag all the disassembled parts by each section so
that they can be reassembled properly.
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