Cleaning, Inspection and Repair. - TM-10-3930-631-340114

TM 10-3930-631-34

d. Cleaning, Inspection and Repair.

(2) Remove screws attaching brush assemblies

(10) to brush plate (11). Lift brush springs (9) and

(1) Refer to paragraph 8-2d and clean, inspect

remove brush assemblies from motor.

and repair the power steering pump motor in the same

(3) Refer to paragraph 8-2a steps (4) through

manner.

(12) and replace brushes.

(2) Inspect bearings for wear and damage.

Replace bearings if damaged.

Note

(3) Inspect coupling lugs on armature shaft for

In step (11) brush spring pressure should be 33

wear and damage.

Replace armature if shaft is

ounces (0.089 kg).

unserviceable.

(4) Install cover band (1, fig. 8-12) on motor.

e. Assembly.

c. Disassembly.

(1) Install terminal group (14) with stud, nuts,

(1) Remove cover band (1, fig. 8-12) and

washers and insulater in field frame. Tighten to a torque

remove brush assembly (10) from motor (b above).

of 80 pound inches.

(2) Remove screws (4) and remove com-

(2) Install field windings (16, fig. 8-12) and pole

mutator head (8) from field frame.

shoes in field frame and secure with pole shoe screws.

(3) Remove springs (9) and brush plate (11)

CAUTION

from head.

(4) Pry bearing cover (5) from head. Remove

Handle and install field windings carefully to

retainer group (6) by removing retaining ring and thrust

prevent damage to insulation.

washers. Remove bearing (7).

(3) Install drive end head (18) on field frame

(5) Carefully remove armature assembly (15)

and secure with screws (2) and lock washers (3).

from field frame.

(4) Fill bearings (7 and 12) half full of grease

(GAA) and install bearings on armature shaft.

CAUTION

(5) Place field frame in a vertical position and

Use care when removing armature assembly to

carefully lower armature into field frame.

prevent damage to core and commutator .

(6) Install thrust washers and retaining ring of

(6) Use a suitable puller and remove bearing

retainer group (6) in commutator head (8) and pack

(12) from armature shaft.

grease in cavity. Install bearing cover (5) in head.

(7) Remove screws (2) and lock washers (3)

(7) Install brush plate (11) and brush springs

and remove drive end head (13) from field frame.

(9) on commutator end head. Install end head on field

(8) Remove nuts, washers and insulators and

frame and secure with screws (4). Refer to a above and

remove terminals group (14) from field frame.

install brush assembly (10).

(9) Remove screws securing pole shoes and

(8) Install cover band (1) on motor.

field winding (16) and carefully remove field winding

f. Installation. Refer to paragraph 2-11 and install

from frame. Be careful when handling field frame. Do

power steering motor.

not damage insulation.

8-10