TM 5-3805-280-24-2
Hydraulic System
1--Pump Drive Gearbox
21--Cap Screw (6 used)
41--Cap Screw (2 used)
55--Fitting (2 used)
Case
22--Lock Washer (6 used)
43--Drain Plug
55A--O-Ring (2 used)
3--Pilot Pump Drive Gear
23--Gasket
43A--O-Ring
56--Oil Line
4--Pilot Pump Drive Shaft
25--Oil Seal
45--Engine Speed Sensor
57--Clamp (2 used)
5--Ball Bearing (2 used)
26--Snap Ring
46--O-Ring
58--Cap Screw
6--Snap Ring
28--Pilot Pump
47--Washer
59--Lock Washer
7--Snap Ring
30--Cap Screw (2 used)
48--Cap Screw
63--Dampener Drive
10--Pump Housing
31--Lock Washer (2 used)
50--Oil Line
63A--Hub
12--Screw (2 used)
32--Washer (2 used)
51--Fitting (2 used)
63B--Set Screw (2 used)
14--Front Pump Driven
34--Adapter (2 used)
51A--O-Ring (2 used)
63C--Spring Pin (4 used)
Gear
36--Plug and Breather
53--Adapter
63D--Insert (4 used)
15--Rear Pump Drive Gear
37--Dipstick
53A--O-Ring
63E--Cap Screw (4 used)
16--Snap Ring (2 used)
39--Dipstick Tube
54--Plug
63F--Flex Coupling, Insert,
18--Spring Pin (2 used)
40--Gasket
54A--O-Ring
Cap Screw and Hub
24. Apply grease to lips of oil seal (25). Install oil seal
CAUTION: The approximate weight of
with lip (spring side) towards inside of housing.
hydraulic pump and drive gearbox is 170 kg
(365 lb).
25. Apply thread lock and sealer (medium strength) to
threads of set screws (63B) in dampener drive
Hydraulic Pump and Drive Gearbox--Specification
hub.
Weight ..................................................... 170 kg (365 lb) approximate
Tighten set screws. (For assembly of dampener
22. Tighten pump housing-to-gearbox housing cap
drive, see Remove and Install Dampener Drive in
screws (21).
Group 0752.)
Pump Housing-to-Gearbox Cap Screw--Specification
Dampener Drive Hub-to-Rear Pump Drive Shaft Set Screw--
Specification
Torque................................................................... 147 Nm (109 lb-ft)
Torque..................................................................... 108 Nm (80 lb-ft)
23. Apply plastic gasket to mounting surface for pilot
26. Fill pump and pump drive gearbox with oil. (See
pump (28).
Hydraulic Pump and Drive Gearbox Start-Up
Procedure in this group.)
Tighten cap screws (30).
Pilot Pump-to-Gearbox Cap Screw--Specification
Torque....................................................................... 49 Nm (36 lb-ft)
33
3360
49
TX,33,UU3784
1921SEP989/9
21-87
