Service and Repair Manual
June 2022
Manifolds
60
Z
®
-62/40
Part No. 1268555GT
8-2 Valv e Adjust men ts - Fu nction Ma nifold
8-2
Valve Adjustments - Function
Manifold
How to Adju st th e Syste m Relie f Valve
How to Adjust the System Relief
Valve
Note: Perform this procedure with the machine 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 Start the engine from the ground controls.
3 Press and hold the function enable button.
Activate and hold the primary boom retract
switch with the boom fully retracted.
4 Observe the pressure reading on the pressure
gauge. Refer to Specifications,
Hydraulic
Component Specifications
.
5 Turn the engine off. Use a wrench to hold the
relief valve and remove the cap.
6 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.
7 Repeat this procedure beginning with step
2 to confirm the relief valve pressure.
8 Remove the pressure gauge.
How to Adju st th e Platfo rm Lev el Up Reli ef Valve
How to Adjust the Platform Level
Up Relief Valve
Note: Perform this procedure with the machine 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 Start the engine from the ground controls.
3 Set the engine speed to high rpm.
4 Raise the jib to the horizontal position.
5 Press and hold the function enable button.
Activate and hold the platform level up switch
with the platform fully elevated.
6 Observe the pressure reading on the pressure
gauge. Refer to Specifications,
Hydraulic
Component Specifications
.
7 Turn the engine off. Use a wrench to hold the
relief valve and remove the cap.
8 Adjust the internal hex socket. Turn it
clockwise to increase the pressure or
counterclockwise to decrease the pressure.
Install the relief valve cap.
9 Repeat this procedure beginning with step
2 to confirm the relief valve pressure.
10 Remove the pressure gauge.
Summary of Contents for Genie Z-40
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Page 158: ...Service and Repair Manual June 2022 144 Deutz D 2 9 L4 Engine Wire Harness ...
Page 159: ...June 2022 Service and Repair Manual 145 Deutz TD 2 2 L3 Engine Wire Harness ...
Page 162: ...Service and Repair Manual June 2022 148 Perkins 404F E22T Engine Wire Harness ...
Page 163: ...June 2022 Service and Repair Manual 149 Perkins 404F 22 Engine Wire Harness ...
Page 166: ...Service and Repair Manual June 2022 152 Electrical Schematic Options All Models ...
Page 167: ...June 2022 Service and Repair Manual 153 Wiring Diagram 3kW Hydraulic Generator ...
Page 170: ...Service and Repair Manual June 2022 156 Wiring Diagram 12kW Hydraulic Generator Welder Option ...
Page 173: ...June 2022 Service and Repair Manual 159 Wiring Diagram Lift Drive Option ...
Page 176: ...Service and Repair Manual June 2022 162 Wiring Diagram Platform Overload Option ...
Page 180: ...Service and Repair Manual June 2022 166 Wiring Diagram Work Lights Option ...
Page 181: ...June 2022 Service and Repair Manual 167 Wiring Diagram Aircraft Protection Option ...
Page 184: ...Service and Repair Manual June 2022 170 Wiring Diagram Platform Control Box Heater Option ...
Page 186: ...Service and Repair Manual June 2022 172 Fuel Level Sensing Option ...
Page 202: ...Service and Repair Manual June 2022 188 Electrical Schematic Ford MSG 425 EFI Models ANSI CSA ...
Page 223: ...June 2022 Service and Repair Manual 209 Electrical Schematic Deutz D 2 9 L4 Models ANSI CSA ...
Page 226: ...Service and Repair Manual June 2022 212 Electrical Schematic Deutz D 2 9 L4 Models ANSI CSA ...
Page 235: ...June 2022 Service and Repair Manual 221 Electrical Schematic Perkins 404F 22 Models ANSI CSA ...
Page 238: ...Service and Repair Manual June 2022 224 Electrical Schematic Perkins 404F 22 Models ANSI CSA ...
Page 262: ...Service and Repair Manual June 2022 248 Electrical Schematic Ford MSG 425 EFI Models AS CE ...
Page 283: ...June 2022 Service and Repair Manual 269 Electrical Schematic Deutz TD 2 2 L3 Models CE ...
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