Section 4 • Repair ProceduresPart No. 122985 S-80 • S-85 • S-80X 4 - 51February 20128-82WD Traction Manifold ComponentsThe drive manifold is mounted inside the drive chassis at the non-steer end of the machine.Index SchematicNo. Description Item 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 in.......................................................................... forward and reverse .................... 90-100 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 in.......................................................................... forward and reverse .......................... 50-55 ft-lbs / 67-73 Nm6 Orifice Plug, 0.070 inch / 1.8 mm ...... DA ........ Equalizes flow across flow divider/.......................................................................... combiner valve BYMANIFOLDS