Terex Genie S-80 HF Series, Service And Repair Manual

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Service and Repair Manual October 2019
Manifolds
74 S ® -80 XC ™ • S ® -85 XC ™ • S ® - 80 HF • S ® -85 HF Part No. 1280490GT
8-8 4WD Tr acti on Manifold C om ponents 8-8
Traction Manifold Components, 4WD
The drive manifold is mounted inside the drive chassis at the non-steer end of the machine.
Index
No.
Description
Schematic
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