2Wd Drive Manifold Components - Genie Z-45/25 Service Manual

Section 7 • Repair Procedures
MANIFOLDS
12-5

2WD Drive Manifold Components

The drive manifold is mounted inside the drive chassis at the non-steer end.
Index
No. Description
1 Solenoid valve, 2 position 3 way ....... PP ......... Braking .............................................. 10-12 ft-lbs (14-16 Nm)
2 Relief valve, 250 psi (17.2 bar) ......... QQ ........ Charge pressure circuit ..................... 10-12 ft-lbs (14-16 Nm)
3 Flow divider/combiner valve .............. RR ........ Controls flow to drive motors
4 Orifice, 0.070 in (1.78 mm) ................ SS ......... Drive circuit
5 Check valve ....................................... TT ......... Drive circuit ....................................... 25-30 ft-lbs (34-41 Nm)
6 Check valve ....................................... UU ........ Drive circuit ....................................... 25-30 ft-lbs (34-41 Nm)
7 Shuttle valve, 3 position 3 way .......... VV ......... Charge pressure circuit that
8 Diagnostic fitting ................................ WW ....... Testing
9 Orifice, 0.030 in (0.76 mm) ................ XX ......... Brake and 2-speed circuit
10 Solenoid valve, 2 position 3 way ....... YY ......... 2-speed motor shift ........................... 10-12 ft-lbs (14-16 Nm)
Plug Torque Specifications
Description Hex size
1
SAE No. 2 /
3
SAE No. 4 /
1
SAE No. 6 /
5
SAE No. 8 /
9
SAE No. 10 /
5
SAE No. 12 /
7 - 68
Schematic
Item
Torque
50 in-lbs (6 Nm)
8
13 ft-lbs (18 Nm)
16
18 ft-lbs (24 Nm)
4
50 ft-lbs (68 Nm)
16
55 ft-lbs (75 Nm)
16
75 ft-lbs (102 Nm)
8
Genie Z-45/25 & Genie Z-45/25J
Function
in forward and reverse ...................... 25-30 ft-lbs (34-41 Nm)
directs 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)
Valve Coil Resistance
Specifications
Valve coil specifications
2 position 3 way solenoid valve, 10V
(schematic item PP and YY)
First Edition • Second Printing
Torque
Part No. 52709
5 to 7Ω