TM 10-4320-344-24
3.6.8 Impeller Shaft and Bearings Maintenance, Models 609-A and 609-C. (Continued)
3.6.8.2 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
c .
Replace all
3.6.8.3 Assembly.
a .
b .
c .
d.
e .
f .
g .
h.
Install new
components and mounting hardware for damage.
defective components.
ball bearing (16) on impeller shaft (14) and secure with two
retaining rings (15).
Install impeller shaft (14) into intermediate bracket (3) and secure with
spacer (13) and packing nut (12).
Apply antisieze sealing compound to pipe plug (11) and new setscrew (10).
Install pipe plug (11) and new set screw (10).
Position four guard clips (6) on two intermediate guards (9) and secure with
four new lock washers (8) and screws (5).
Hand tighten screws (5).
Install two intermediate guard assemblies (7) into intermediate bracket (3)
and secure by turning four guard clips (6) on two intermediate guard
assemblies (7) and tightening four screws (5).
Press new balance ring (4) into seal retaining plate (2) and install seal
retaining plate (2) on impeller shaft (14) against intermediate bracket (3).
Align mounting holes of seal retaining plate (2) and intermediate bracket (3).
Apply antisieze sealing compound to screws (1) and install screws (1).
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