TM 5-3805-280-24-2
Hydraulic System
1--Hydraulic Oil Tank
23--Front Pump Control
26--Bulkhead-to-Front
6--Control Valve
Valve-to-Bulkhead
Pump Regulator Pilot
20--Fitting and O-Ring (2
Pilot Line
Line
used)
24--Rear Pump Control
27--Front Pump Regulator
21--Tee and O-Ring (2
Valve-to-Bulkhead
28--Rear Pump Regulator
used)
Pilot Line
29--Washer (4 used)
22--Pump Control
25--Bulkhead-to-Rear
30--Lock Washer (4 used)
Pressure Sensor and
Pump Regulator Pilot
31--Cap Screw (4 used)
O-Ring (2 used)
Line
8. Disconnect lines (23, 24, 25 and 26) at bulkhead.
12. Repair or replace parts as necessary.
Install caps and plugs.
13. Install hydraulic oil tank.
9. Disconnect wiring harness connectors from pump
Frame-to-Oil Tank Cap Screw--Specification
control pressure sensors (22) and hydraulic oil level
switch.
Torque................................................................... 205 Nm (152 lb-ft)
10. Remove cap screws (31), lock washers (30) and
Return Line-to-Oil Tank Coupling Nut--Specification
washers (29).
Torque......................................................... 10.3--12.4 Nm (91--110
lb-in.)
CAUTION: The approximate weight of
hydraulic oil tank is 147 kg (325 lb).
Oil Tank Elbow-to-Suction Line T-Bolt Type
Clamp--Specification
Hydraulic Oil Tank--Specification
33
Torque..................................................................... 4.4 Nm (40 lb-in.)
3360
Weight..................................................... 147 kg (325 lb) approximate
120
11. Remove hydraulic oil tank using a hoist and lifting
straps.
Continued on next page
TX,33,UU3804
1921SEP985/6
21-152
