TM 5-3825-226-24
HYDRAULIC MOTOR
DISASSEMBLE HYDRAULIC MOTOR
1.
Loosen the threaded retainer ring (1) three full
turns to release bearing preload.
2.
Using a scribe or knife, mark the port end cover
(12), gear housing (19) and shaft end cover (7)
to facilitate reassembly.
3.
Remove the two capscrews (9) and washers
(11) from the port end cover (12).
4.
Remove the nuts, washers from support studs
(10).
5.
Lift off the port end cover (12). The thrust plate
(15) with pocket seals (14) and roller bearings
(13) also will be removed in this operation.
6.
Remove the driver gear (16), drive gear (17)
and gear housing (19) from the shaft end cover
(7). Be sure to keep the gears together (they
are a matched set).
7.
Position the shaft end cover so that the splined
end of the shaft is facing up.
8.
Remove the retainer ring (1).
9.
Pull the assembled drive shaft out of the shaft
end cover (7).
10.
Position the shaft end cover so that the thrust
plate (21) is facing up.
11.
Using a knife or thin screwdriver, carefully pry
off the thrust plate (21).
12.
Remove and discard the pocket seals (22).
13.
Using a bearing puller, remove the bearings (23)
from the shaft end cover (7).
14.
Remove the conical spring (24) and shaft
bushings (25).
15.
Remove the check assemblies (8).
16.
Using a press, remove the tapered roller bearing
with cup (4), O-ring (3) and seal (2) from the
drive shaft (6).
17.
Remove and discard the O-ring (3) and seal (2).
18.
Remove and discard seals (18), (20) from the
gear housing (1 9).
19.
Using a knife or thin screwdriver, pry the thrust
plate (15) from the port end cover (12).
20.
Using a bearing puller, remove the bearings (13)
from the port end cover (12).
1.
Retainer ring.
2.
Motor shaft seal.
3.
O-ring.
4.
Bearing cup.
5.
Tapered roller bearing.
6.
Drive shaft.
7.
Shaft end cover.
8.
Check assembly.
9.
Capscrew.
10.
Support stud.
11.
Washer
12.
Port end cover.
13.
Roller bearings
14.
Pocket seals.
15.
Thrust plate.
16.
Driven gear.
17.
Drive gear.
18.
Seal.
19.
Gear housing.
20.
Seal.
21.
Thrust plate.
22.
Pocket seals.
23.
Roller bearings.
24.
Conical spring.
25.
Bronze shaft bushing.
6-4
