4Wd Traction Manifold Components (Before Serial Number 8581) - Genie S-80 Service Manual

February 2012
8-9
4WD Traction Manifold Components
The drive manifold is mounted inside the drive chassis at the non-steer end of the machine.
Index
No. Description
1 Relief valve, 280 psi / 19.3 bar ......... DE ........ Charge pressure circuit .................... 35-40 ft-lbs / 48-54 Nm
2 Flow divider/combiner valve ............. DB ........ Controls flow to non-steer end
3 Check valve ....................................... DF ......... Steer end drive motor circuit ............ 35-40 ft-lbs / 48-54 Nm
4 Check valve ....................................... DC ........ Non-steer end drive motor circuit ..... 35-40 ft-lbs / 48-54 Nm
5 Flow divider/combiner valve ............. CK ........ Controls flow to flow
6 Check valve ....................................... DD ........ Non-steer end drive motor circuit ..... 60-70 ft-lbs / 81-95 Nm
7 Orifice, 0.040 inch / 1 mm .................. DL ......... Equalizes pressure on both sides
8 Orifice, 0.040 inch / 1 mm .................. DA ........ Equalizes pressure on both sides
9 Orifice, 0.040 inch / 1 mm .................. DN ........ Equalizes pressure on both sides
10 Check valve ....................................... DG ........ Steer end drive motor circuit ............ 60-70 ft-lbs / 81-95 Nm
11 Check valve ....................................... DH ........ Steer end drive motor circuit ............ 35-40 ft-lbs / 48-54 Nm
12 Shuttle valve, 3 position 3 way ......... DJ ......... Charge pressure circuit that
13 Flow divider/combiner valve ............. DM ........ Controls flow to steer end
14 Check valve ....................................... DP ........ Non-steer end drive motor circuit ..... 35-40 ft-lbs / 48-54 Nm
Part No. 122985
(before serial number 8581)
Schematic
Item Function
drive motors in forward
and reverse ................................... 80-90 ft-lbs / 108-122 Nm
divider/combiner valves
2 and 13 ........................................ 80-90 ft-lbs / 108-122 Nm
of flow divider/combiner valve 5
of flow divider/combiner valve 2
of flow divider/combiner valve 13
directs hot oil out of low pressure
side of drive pump ........................ 80-90 ft-lbs / 108-122 Nm
drive motors in forward
and reverse ................................... 80-90 ft-lbs / 108-122 Nm
S-80 • S-85 • S-80X
Section 4 • Repair Procedures
MANIFOLDS
Torque
4 - 53