
Service and Repair Manual
March 2018
Manifolds
60
S®-
80 • S®
-85
• S®
-80X
Part No. 1269074GT
8-2 Valve Adjustments -
Function Manifold
How to Adj ust the System Reli ef Valve
How to Adjust the System Relief
Valve
Note: Perform this procedure with the boom in the
stowed position.
Note: Refer to Function Manifold Component list to
locate the system relief valve.
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 diagnostic nipple (ptest)
located next to the auxiliary pump.
2 Simultaneously activate and hold the auxiliary
power toggle switch and the primary boom
retract toggle switch with the primary boom
fully retracted. Observe the pressure reading
on the pressure gauge. Refer to
Specifications,
Hydraulic Specifications
.
3 Locate the system 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.
Tip-over hazard. Do not adjust
the relief valve higher than
specified.
5 Repeat step 2 to confirm relief valve pressure.
6 Remove the pressure gauge.
How to Adj ust the Boom Dow n R elief Valve
How to Adjust the Boom Down
Relief Valve
Note: Perform this procedure with the boom in the
stowed position.
Note: Refer to Function Manifold Component list to
locate the boom down relief valve.
1 Connect a 0 to 5000 psi / 0 to 350 bar
pressure gauge to the diagnostic nipple
located next to the auxiliary pump.
2 Start the engine from the ground controls.
3 Hold the function enable/rpm select toggle
switch to the high idle position and activate
and hold the boom down toggle switch with the
boom fully lowered. Observe the pressure
reading on the pressure gauge. Refer to
Specifications,
Hydraulic Specifications
.
4 Turn the engine off. Use a wrench to hold the
relief valve and remove the cap on the function
manifold.
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 steps 2 through 5 and recheck relief
valve pressure.
7 Remove the pressure gauge.
Summary of Contents for Genie S-80
Page 14: ......
Page 73: ...March 2018 Service and Repair Manual Manifolds Part No 1269074GT S 80 S 85 S 80X 59 ...
Page 83: ...March 2018 Service and Repair Manual Manifolds Part No 1269074GT S 80 S 85 S 80X 69 ...
Page 141: ...March 2018 Service and Repair Manual 127 Continental TME27 Engine Harness ...
Page 144: ...Service and Repair Manual March 2018 130 S 80X Ground Control Box Wiring Diagram ...
Page 145: ...March 2018 Service and Repair Manual 131 Deutz TD2 9 L4 Engine Harness ...
Page 148: ...Service and Repair Manual March 2018 134 Perkins 404F 22T Engine Harness ...
Page 285: ...March 2018 Service and Repair Manual 271 Continental Options Schematic ...
Page 288: ...Service and Repair Manual March 2018 274 Deutz and Perkins Options Schematic ...
Page 289: ...March 2018 Service and Repair Manual 275 Platform Level Cutout CTE Option ...
Page 292: ...Service and Repair Manual March 2018 278 12 kW Hydraulic Generator Wiring Diagram ...
Page 293: ...March 2018 Service and Repair Manual 279 12 kW Hydraulic Generator Electrical Schematic ...
Page 296: ...Service and Repair Manual March 2018 282 Belt Driven Generator Option ...
Page 297: ...March 2018 Service and Repair Manual 283 Hydraulic Schematic 2WD Models ...
Page 301: ......