February 2017 Service ManualManifoldsPart No. 1259369GT S-80 • S-85 • S-80X 1258-82WD 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 30-35 ft-lbs / 41-47 Nm2 Flow Divider / Combiner Valve DB Controls flow to drive motors inforward and reverse90-100 ft-lbs / 120-133 Nm3 Check Valve DC Drive circuit 30-35 ft-lbs / 41-47 Nm4 Check Valve DD Drive circuit 30-35 ft-lbs / 41-47 Nm5 Shuttle Valve, 3 position 3 way DF Controls flow to drive motors inforward and reverse50-55 ft-lbs / 67-73 Nm6 Orifice Plug, 0.070 inch / 1.8 mm DA Equalizes flow across flowdivider/combiner valve BY
