4Wd Drive Manifold Components - Genie Z-45/25 Service Manual

Section 7 • Repair Procedures
MANIFOLDS
12-7

4WD Drive Manifold Components

The drive manifold is mounted inside the drive chassis at the non-steer end.
Index
No. Description
1 Flow divider/combiner valve .............. AB ......... Controls flow to non-steer end
2 Bi-directional flow control valve,
0.2 gpm (0.8 L/min) ........................... AC ........ Non-steer end drive motor circuit ..... 25-30 ft-lbs (34-41 Nm)
3 Bi-directional flow control valve,
2 gpm (7.6 L/min) .............................. AD ........ Steer end drive motor circuit ............ 25-30 ft-lbs (34-41 Nm)
4 Directional control valve .................... AE ......... 2 speed motor shift circuit/
5 Diagnostic fitting ................................ AF ......... Testing
6 Shuttle valve, 3 position 3 way .......... AG ........ Charge pressure circuit that
7 Relief valve, 250 psi (17.2 bar) ......... AH ........ Charge pressure circuit .................... 10-12 ft-lbs (14-16 Nm)
8 Solenoid valve, 2 position 3 way ....... AI .......... 2-speed motor shift ........................... 10-12 ft-lbs (14-16 Nm)
9 Orifice, 0.030 inch (0.76 mm) ............ AJ ......... Brake and 2-speed circuit
10 Solenoid valve, 2 position 3 way ....... AK ......... Braking .............................................. 10-12 ft-lbs (14-16 Nm)
11 Check valve ....................................... AL ......... 2 speed motor shift circuit ................. 10-12 ft-lbs (14-16 Nm)
12 Orifice, 0.025 inch (0.64 mm) ............ AM ........ 2 speed motor shift circuit
13 Flow divider/combiner valve .............. AN ........ Controls flow to flow
This list continues. Please turn the page
Plug Torque Specifications
Description Hex size
1
SAE No. 2 /
3
SAE No. 4 /
7 - 72
Schematic
Item
Torque
50 in-lbs (6 Nm)
8
13 ft-lbs (18 Nm)
16
Genie Z-45/25 & Genie Z-45/25J
Function
drive motors in forward
and reverse ...................................... 25-30 ft-lbs (34-41 Nm)
High speed bypass .......................... 10-12 ft-lbs (14-16 Nm)
gets hot oil out of low pressure
side of drive pump and allows
low pressure flow path for
brake release and 2-speed
motor shift ......................................... 15-18 ft-lbs (20-24 Nm)
divider/combiner valves 1 and 18 .... 25-30 ft-lbs (34-41 Nm)
SAE No. 6
SAE No. 8
SAE No. 10
First Edition • Second Printing
Torque
1
/ 18 ft-lbs (24 Nm)
4
5
/ 50 ft-lbs (68 Nm)
16
9
/ 55 ft-lbs (75 Nm)
16
Part No. 52709