Service and Repair Manual September 2015Manifolds66 S-80 • S-85 • S-80X Part No. 12690748-9 4WD Tr acti on Manifold C om ponents8-94WD Traction Manifold ComponentsThe drive manifold is mounted inside the drive chassis at the non-steer end of the machine.IndexNo. Description SchematicItem Function Torque1 Relief valve, 280 psi / 19.3 bar DE Charge pressure circuit 35-40 ft-lbs / 48-54 Nm2 Flow divider/combiner valve DB Controls flow to non-steer enddrive motors in forward andreverse80-90 ft-lbs / 108-122 Nm3 Check valve DF Steer end drive motor circuit 35-40 ft-lbs / 48-54 Nm4 Check valve DC Non-steer end drive motor circuit 35-40 ft-lbs / 48-54 Nm5 Flow divider/combiner valve CK Controls flow to flowdivider/combiner valves 2 and 1380-90 ft-lbs / 108-122 Nm6 Check valve DD Non-steer end drive motor circuit 60-70 ft-lbs / 81-95 Nm7 Orifice, 0.040 inch / 1 mm DL Equalizes pressure on both sidesof flow divider/combiner valve 58 Orifice, 0.040 inch / 1 mm DA Equalizes pressure on both sidesof flow divider/combiner valve 29 Orifice, 0.040 inch / 1 mm DN Equalizes pressure on both sidesof flow divider/combiner valve 1310 Check valve DG Steer end drive motor circuit 60-70 ft-lbs / 81-95 Nm11 Check valve DH Steer end drive motor circuit 35-40 ft-lbs / 48-54 Nm12 Shuttle valve, 3 position 3 way DJ Charge pressure circuit thatdirects hot oil out of low pressureside of drive pump80-90 ft-lbs / 108-122 Nm13 Flow divider/combiner valve DM Controls flow to steer end drivemotors in forward and reverse80-90 ft-lbs / 108-122 Nm14 Check valve DP Non-steer end drive motor circuit 35-40 ft-lbs / 48-54 Nm
