Section 4 • Repair Procedures
Part No. 122985
S-80 • S-85 • S-80X
4 - 53
February 2012
8-9
4WD Traction Manifold Components
(before serial number 8581)
The drive manifold is mounted inside the drive chassis at the non-steer end of the machine.
Index
Schematic
No.
Description
Item
Function
Torque
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
drive motors in forward
and reverse ................................... 80-90 ft-lbs / 108-122 Nm
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
divider/combiner valves
2 and 13 ........................................ 80-90 ft-lbs / 108-122 Nm
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
of flow divider/combiner valve 5
8
Orifice, 0.040 inch / 1 mm .................. DA ........ Equalizes pressure on both sides
of flow divider/combiner valve 2
9
Orifice, 0.040 inch / 1 mm .................. DN ........ Equalizes pressure on both sides
of flow divider/combiner valve 13
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
directs hot oil out of low pressure
side of drive pump ........................ 80-90 ft-lbs / 108-122 Nm
13
Flow divider/combiner valve ............. DM ........ Controls flow to steer end
drive motors in forward
and reverse ................................... 80-90 ft-lbs / 108-122 Nm
14
Check valve ....................................... DP ........ Non-steer end drive motor circuit ..... 35-40 ft-lbs / 48-54 Nm
MANIFOLDS
Содержание S-80
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