Terex Genie S-80 J, Service And Repair Manual

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June 2021 Service and Repair Manual
Manifolds
Part No. 1285307GT S ® -80 J, S ® -80 J TraX ™ 65
7-6
Traction Manifold Components, 4WD
The traction manifold is mounted inside the drive chassis at the non-steer end.
Index
No.
Description
Schematic
Item Function
Torque
1 Flow divider/combiner valve DK Divides flow between diagonal pairs of
motors
80-90 ft-lbs / 108-122
Nm
2 Check valve, 5 psi DC Prevents cavitation in LF motor 35-40 ft-lbs / 14-16
Nm
3 Orifice, 0.040 inch / 1 mm DA Prevents scrub at high steer angles by
allowing some bypass flow around the left
flow divider
4 Check valve, 5 psi DF Prevents cavitation in RF motor 35-40 ft-lbs / 14-16
Nm
5 Orifice, 0.040 inch / 1 mm DN Prevents scrub at high steer angles by
allowing some bypass flow around the
right flow divider
6 Relief valve, 280 psi / 19.3 bar DI Hot oil shuttle relief
35-40 ft-lbs / 14-16
Nm
7 Flow divider/combiner valve,
24 gpm
DM Combines return flow from RF and RR
motors
80-90 ft-lbs / 108-122
Nm
8 Flow divider/combiner valve,
24 gpm
DB Combines return flow from LF and RR
motors
80-90 ft-lbs / 108-122
Nm
9 Check valve, 5 psi DD
Prevents cavitation in LF and RR
motors
55-60 ft-lbs / 75-81
Nm
10 Check valve, 5 psi DH Prevents cavitation in RR motor 35-40 ft-lbs / 14-16
Nm
11 Check valve, 5 psi DE
Prevents cavitation in LR motor
35-40 ft-lbs / 14-16
Nm
12 Check valve, 5 psi DG Prents cavitation in RF and LR motor 55-60 ft-lbs / 75-81
Nm
13 Shuttle valve, fixed DJ Directs oil from low pressure side to hot
oil relief valve
55-60 ft-lbs / 75-81
Nm
14 Orifice, 0.040 inch / 1 mm DL Prevents scrub at high steer angles by
allowing some bypass flow around the
right flow divider