Gradall 534B (9103-1390) Service Manual - Manual (Page 84)

HOW TO TEST
TILT CIRCUIT RELIEF VALVES
7
Install gages in test ports in the Tilt Circuit Tubes
(D) & (E).
Retract the tilt cylinder fully, raise the boom.
The gage should read 3250 psi while the boom is
raising.
Adjust, reseal relief valve.
Remove gaye and recap test port.
Place gaye in other test port.
Extend the tilt cylinder fully, lower the boom.
The gaye should read 3250 psi while the boom is
lowering.
Adjust, reseal relief valve.
Remove gage and recap test port.
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