TM 10-4320-344-24
3.6.9 Impeller Shaft and Bearings Maintenance. Model US636HCCD-1. (Continued)
3.6.9.2 Repair.
Do not use cleaning solvent without proper ventilation and clothing.
Do not
smoke or use near open flame or excessive heat.
Dry cleaning solvent is
potentially dangerous to personnel and property.
Clean parts in a well-
ventilated area.
Avoid inhalation of solvent fumes.
Wear goggles and rubber
gloves to protect eyes and skin.
Wash exposed skin thoroughly.
Failure to
obey this warning may result in personal injury or death.
a.
Using a cloth dampened with cleaning solvent clean all components and allow
all components to thoroughly air dry prior to installation.
b .
Inspect all remaining components for damage.
c .
Replace all defective components.
Pack new bearings by kneading grease into bearings.
Failure to observe this
caution could result in damage to impeller shaft and bearing.
a .
Pack and install new bearing (12) on impeller shaft (10).
b .
Insert impeller shaft (10) into intermediate bracket assembly (11).
c .
Slide new seal (9) and spacer (8) onto impeller shaft (10).
d .
Install new seal (7) in new wear ring (6).
Ensure seal sits level in wear ring.
e .
Insert wear ring (6) in intermediate bracket assembly (11) and secure with
retaining ring (5).
f .
Install retaining ring (4), new bearing (3), and two retaining rings (1 and 2)
on impeller shaft (10).
3-32
3.6.9.3 Assembly.
