Valve Adjustments - Function Manifold; How To Adjust The System Relief Valve; How To Adjust The Boom Down Relief Valv; How To Adjust The Boom Extend Relief Valve - Genie S-65 XC Service And Repair Manual

Service and Repair Manual
Manifolds
7-2 Valve Adjustments - Function
Manifold
How to Adjust the System Relief
Valve
Note: Perform this procedure with the boom in the
stowed position.
Note:Auxiliary power will be used to perform this
procedure. Do not start the engine.
1 Connect a 0 to 5000 psi / 0 to 350 bar
pressure gauge to the ptest port on the
function manifold.
2 Simultaneously activate and hold the auxiliary
power button and the primary boom retract
button with the primary boom fully retracted.
3 Observe the pressure reading on the pressure
gauge. Refer to Specifications, Hydraulic
Specifications.
4 Locate the system relief valve on the function
manifold. Use a wrench to hold the relief valve
and remove the cap.
5 Adjust the internal hex socket. Turn it
clockwise to increase the pressure or
counterclockwise to decrease the pressure.
Install the relief valve cap..
Tip-over hazard. Do not adjust
the relief valve higher than
specified.
6 Repeat step 2 to confirm relief valve pressure.
7 Remove the pressure gauge.
How to Adj ust the System Reli ef Val ve
How to Adj ust the Boom Down R elief Val v
How to Adj ust the Boom Extend R elief Val ve
80
How to Adjust the Boom Extend
Relief Valve
Note: Perform this procedure with the boom in the
stowed position.
Note: Refer to Function Manifold Component list to
locate the boom extend relief valve.
Note: Auxiliary power will be used to perform this
procedure. Do not start the engine.
1 Connect a 0 to 3000 psi / 0 to 200 bar
pressure gauge to the diagnostic nipple
located next to the auxiliary pump.
2 Simultaneously activate and hold the auxiliary
power button and the primary boom extend
button with the boom fully extended. Observe
the pressure reading on the pressure gauge.
Refer to Specifications, Hydraulic
Specifications.
3 Locate the boom extend relief valve on the
function manifold. Use a wrench to hold the
relief valve and remove the cap.
4 Adjust the internal hex socket. Turn it
clockwise to increase the pressure or
counterclockwise to decrease the pressure.
Install the relief valve cap.
5 Repeat step2 to confirm relief valve pressure.
6 Remove the pressure gauge.
® ™ ® ™
S -60 XC • S -65 XC
September 2018
Tip-over hazard. Do not adjust
the relief valve higher than
specified.
Part No. 1288652GT