Service and Repair Manual
October 2021
Manifolds
52
Z
®
-34/22 Bi-Energy
Part No. 1268515GT
9-2 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 boom in the
stowed position.
Note: Refer to Function Manifold Component list to
locate the system relief valve.
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 primary
boom extend/retract toggle switch in the
retract direction with the primary boom fully
retracted.
3 Observe the pressure reading on the pressure
gauge. Refer to Specifications,
Hydraulic
Component Specifications
.
4 Turn the machine off. Hold the system relief
valve with a wrench 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 steps 2 and 3 to verify the relief valve
pressure.
7 Remove the pressure gauge.
How to Adju st th e Prim ary Bo om D own Reli ef Valve
How to Adjust the Primary 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 primary boom down relief valve.
1 Connect a 0 to 3000 psi / 0 to 200 bar
pressure gauge to the test port on the function
manifold.
2 Turn the key switch to ground control and pull
out the red Emergency Stop button to the on
position.
3 Move and hold the function enable toggle
switch to either side and move and hold the
primary boom up/down toggle switch in the
down direction with the primary boom fully
lowered. Observe the pressure reading on the
pressure gauge. Refer to Specifications,
Manifold Component Specifications.
4 Turn the machine off. Hold the primary down
relief valve with a wrench 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 steps 2 and 3 to confirm the relief
valve pressure setting.
7 Remove the pressure gauge.
Summary of Contents for Genie Z-34/22
Page 63: ...October 2021 Service and Repair Manual Manifolds Part No 1268515GT Z 34 22 Bi Energy 51 ...
Page 89: ...October 2021 Service and Repair Manual 77 Electrical Schematic ANSI CSA from SN Z34F 12066 ...
Page 92: ...Service and Repair Manual October 2021 80 Electrical Schematic ANSI CSA from SN Z34F 12066 ...
Page 97: ...October 2021 Service and Repair Manual 85 PBOX Wiring Diagram ANSI CSA from SN Z3414 9686 ...
Page 103: ...October 2021 Service and Repair Manual 91 Electrical Schematic CE AS from SN Z34F 12066 ...
Page 106: ...Service and Repair Manual October 2021 94 Electrical Schematic CE AS from SN Z34F 12066 ...
Page 114: ...Service and Repair Manual October 2021 102 Power Cable Wiring Diagram from SN Z3414 9686 ...
Page 115: ...October 2021 Service and Repair Manual 103 Drive Contactor Panel Wiring Diagram ...
Page 118: ...Service and Repair Manual October 2021 106 Manifold and Limit Switch Wiring Diagram ...
Page 119: ...October 2021 Service and Repair Manual 107 LVI BCI Option Wiring Diagram ...
Page 122: ...Service and Repair Manual October 2021 110 Charger Interlock Option ...
Page 123: ...October 2021 Service and Repair Manual 111 Engine Wiring Diagram ...
Page 126: ...Service and Repair Manual October 2021 114 Contact Alarm Option from SN Z34F 12066 ...
Page 127: ...October 2021 Service and Repair Manual 115 Fuel Level Sensor Option from SN Z34F 12066 ...
Page 129: ...October 2021 Service and Repair Manual 117 Hydraulic Schematic ...
Page 131: ......