4 - 104 Z-80/60 Part No. 88619June 2011Section 4 • Repair ProceduresREV E8-14Traction Manifold, 4WDThe 4WD traction manifold is mounted inside the drive chassis at the circle-end of the machine.Index SchematicNo. Description Item Function Torque1 Check valve, 5 psi / 0.34 bar ............. FA ......... Drive motor anti-cavitation ................ 30-35 ft-lbs / 41-47 Nm2 Solenoid valve, 2 position 3 way ....... FB ......... 2-speed drive motor shift .................. 26-30 ft-lbs / 35-41 Nm3 Solenoid valve, 2 position 3 way ....... FC ......... Brake release .................................... 26-30 ft-lbs / 35-41 Nm4 Check valve ....................................... FD ......... Keeps brakes released in case oftemporary loss of charge pressure ... 20-25 ft-lbs / 27-34 Nm5 Shuttle valve, 3 position 3 way .......... FE ......... Charge pressure circuit thatdirects hot oil out of low pressureside of drive pump ............................ 30-35 ft-lbs / 41-47 Nm6 Relief valve, 250 psi / 17.2 bar .......... FF ......... Charge pressure circuit ..................... 20-25 ft-lbs / 27-34 Nm7 Orifice, 0.030 in / 0.76 mm ................ FG ........ Brake and 2-speed circuit8 Check valve ....................................... FH ......... Drive motor anti-cavitation ................ 20-25 ft-lbs / 27-34 Nm9 Check valve ....................................... FI .......... Drive motor anti-cavitation ................ 30-35 ft-lbs / 41-47 Nm10 Flow divider/combiner valve .............. FJ ......... Controls flow to square enddrive motors in forwardand reverse ................................. 90-100 ft-lbs / 122-136 Nm11 Check valve, 5 psi / 0.34 bar ............. FK ......... Drive motor anti-cavitation ................ 20-25 ft-lbs / 27-34 Nm12 Bi-directional flow control valve,2 gpm / 7.6 L/min ............................... FL ......... Equalizes pressure on both sidesof divider/combiner valve FJ ............. 30-35 ft-lbs / 41-47 Nm13 Bi-directional flow control valve,2 gpm / 7.6 L/min ............................... FM ........ Equalizes pressure on both sidesof divider/combiner valve FQ ............ 30-35 ft-lbs / 41-47 Nm14 Bi-directional flow control valve,2 gpm / 7.6 L/min ............................... FN ......... Equalizes pressure on both sidesof divider/combiner valve FP ............ 30-35 ft-lbs / 41-47 Nm15 Check valve ....................................... FO ........ Drive motor anti-cavitation ................ 20-25 ft-lbs / 27-34 Nm16 Flow divider/combiner valve .............. FP ......... Controls flow to circle enddrive motors in forwardand reverse ................................. 90-100 ft-lbs / 122-136 Nm17 Flow divider/combiner valve .............. FQ ........ Controls flow to divider/combiner valves FJ and FP ........ 90-100 ft-lbs / 122-136 Nm18 Check valve ....................................... FR ......... Drive motor anti-cavitation ................ 20-25 ft-lbs / 27-34 NmMANIFOLDS
