3.6.7 Impeller Maintenance. (Continued)
Figure 3-8. Loosening Impeller.
Ensure that steel bar is held rigid while striking with hammer. Impeller is
made of brass and damage to vanes may occur.
Failure to obey this caution
may cause damage to impeller.
f .
While holding steel bar (5) at flexible coupling assembly (3) securely in
position, and steel bar (8) in impeller (9) rigid, firmly strike steel bar (8)
in counterclockwise direction while facing impeller (9) until impeller (9)
unscrews.
g .
Remove steel bars (5 and 8). impeller (Figure 3-9, 1), shims (2), if Present,
seal washer (3), spring (4) seal assembly
impeller shaft (7).
Discard seal assembly
3.6.7.2 Repair.
(5), and stationary seat (6) from
( 5 ).
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 cloth soaked in cleaning solvent, clean impeller shaft (7), bore of seal
retaining plate (8), and sleeve spacer (Figure 3-8, 7).
Allow all components
to thoroughly air dry.
3-24
TM 10-4320-344-24
