TM 5-3805-280-24-2
Hydraulic System
0--Pilot Pump
6--Seal (2 used)
12--O-Ring (2 used)
2--Flange
9--Backup Retainer (2
15--Washer (4 used)
3--Oil Seal
used)
16--Cap Screw and
5--Snap Ring
10--Key (2 used)
Washer (4 used)
1. Remove cap screws (16) to remove end plate and
flange (2) from housing.
TX,33,UU3787
1921SEP982/3
2. Remove drive (A), driven (C) gears, bushings (D) and
keys (B).
3. Check bushings (D). If inside diameter and surface
toward gear are rough or worn, replace pump.
4. Check gears (A and C) and housing. If gear teeth,
shaft, and inside of housing is rough or worn, replace
pump.
IMPORTANT: Apply clean hydraulic oil to all parts.
Pump failure can result if pump is
assembled dry.
A--Drive Gear
B--Keys
5. Apply clean hydraulic oil to all parts.
C--Driven Gear
D--Bushing
6. Apply grease to lip of oil seal. Install oil seal with lip
(spring side) towards inside of housing.
7. Tighten cap screws.
Cover-to-Flange Cap Screw--Specification
Torque ............................................................................. 41 Nm (31 lb-ft)
8. Do Pilot Pressure Regulating Valve Test and
Adjustment to check pressure setting. (See procedure
in Group 9025-25.)
33
3360
55
TX,33,UU3787
1921SEP983/3
21-93