Traction Manifold, 2Wd - Genie Z80/60 Service Manual

Section 4 • Repair Procedures
MANIFOLDS
8-12

Traction Manifold, 2WD

The 2WD traction manifold is mounted inside the drive chassis at the circle-end of the machine.
Index
No. Description
1 Check valve, 5 psi / 0.34 bar ............ EA ......... Drive motor anti-cavitation ................ 30-35 ft-lbs / 41-47 Nm
2 Check valve, 5 psi / 0.34 bar ............ EB ......... Drive motor anti-cavitation ................ 30-35 ft-lbs / 41-47 Nm
3 Orifice, 0.031 in / 0.79 mm ............... EC ......... Brake and 2-speed circuit
4 Check valve ...................................... ED ......... Keeps brakes released in case of
5 Solenoid valve, 2 position 3 way ...... EE ......... Brake release .................................... 26-30 ft-lbs / 35-41 Nm
6 Solenoid valve, 2 position 3 way ...... EF .......... 2-speed drive motor shift .................. 26-30 ft-lbs / 35-41 Nm
7 Relief valve, 250 psi / 17.2 bar ......... EG ......... Charge pressure circuit ..................... 20-25 ft-lbs / 27-34 Nm
8 Shuttle valve, 3 position 3 way ......... EH ......... Charge pressure circuit that
9 Bi-directional flow control valve,
4.5 gpm / 17 L/min ............................. EI .......... Equalizes pressure on both sides
10 Flow divider/combiner valve ............. EJ .......... Controls flow to drive motors
4 - 100
Schematic
Item Function
temporary loss of charge pressure ... 20-25 ft-lbs / 27-34 Nm
directs hot oil out of low pressure
side of drive pump ............................ 30-35 ft-lbs / 41-47 Nm
of divider/combiner valve EJ ............. 30-35 ft-lbs / 41-47 Nm
in forward and reverse ................ 90-100 ft-lbs / 122-136 Nm
Z-80/60
June 2011
REV E
Torque
Part No. 88619