Genie Z-45/25 Bi-Energy Service Manual page 109

August 2004
REV B
How to Adjust the Secondary
Boom Down Relief Valve
Perform this procedure with the
boom in the stowed position.
1 Connect a 0 to 5000 psi / 0 to 350 bar pressure
gauge to the test port on the function manifold.
2 Move and hold the function enable toggle switch
to either side and hold the secondary boom
up/down toggle switch in the down direction
with the secondary boom fully lowered.
Observe the pressure reading on the pressure
gauge. Refer to Section 2, Specifications .
3 Turn the machine off. Hold the secondary boom
down relief valve with a wrench and remove
the cap (item R, AM, BX or CW).
4 Adjust the internal hex socket. Turn it clockwise
to increase the pressure or counterclockwise to
decrease the pressure. Then install the relief
valve cap.
Tip-over hazard. Do not adjust
the relief valve higher than
specified.
5 Repeat steps 2 through 4 and recheck relief
valve pressure.
Part No. 106488 Genie Z-45/25 Bi-Energy and Genie Z-45/25J Bi-Energy
Section 4 • Repair Procedures
MANIFOLDS
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