Assembly -726030535

TM 9-2320-360-34-2

WARNING

Compressed air used for cleaning purposes will not exceed 30 psi (207 kPa). Use

only with effective chip guarding and personal protective equipment (goggles,

shield, and gloves).

(3) Dry parts, except bearings, with compressed air.

(4) Check chamfered area of output shaft. Use

crocus cloth to remove any nicks, burrs, or sharp

edges that could damage shaft during assembly.

(5) Inspect parts for scratches, burrs, nicks, or

sharp edges, If defects are found, remove with

crocus cloth. If damage cannot be corrected,

replace defective parts.

Assembly

(1) Install new dust seal (1) into outer bore of

bearing housing (2) with lip facing out.

(2) Install backup ring (3) into inner bore of bearing

housing (2).

(3) Using shaft seal installation tool, press shaft seal

(4) into inner bore over backup ring (3).

CAUTION

Use protective bullet when installing

shaft to prevent damage to seals.

(4) Coat inner edge of dust seal (1) and shaft seal

(4) with petroleum jelly.

(5) Press shaft and bearing assembly (5) into

bearing housing (2).

CAUTION

Clamp bearing housing in soft-jawed

vise by mounting flange only.

Clamping bearing housing in any

other location will cause damage.

Excessive clamping will cause

damage to drive motor.

(6) Clamp bearing housing (2) in soft-jawed vise.

(7) Pour small amount of clean lubricating oil into

bearing housing (2) and output shaft (6).

(8) Coat seal (7) with petroleum jelly and install in

groove in bearing housing (2).

(9) Install shaft face seal (8) in wear plate (9).

28-35