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 TM 5-1940-277-20
TM 1940-20/2
NOTE
Buoyancy material must be removed to repair starboard water pump (refer to paragraph
To remove end plate (2) from pump (3) remove six screws (1) using screwdriver.
2.
CAUTION
If impeller is damaged, check heat exchanger for particles of rubber (MK1) (see
Remove end plate (2) and clean.
3.
4.
Remove gasket (7) from surface of end plate (2) and pump (3).
Using two screwdrivers remove button (4) and impeller (5) (note position in figure).
5.
ASSEMBLE:
Rub vanes (6) of replacement impeller (5) with liquid detergent (Item 5, App. C) and water mixture.
1.
Bend vanes (6) back and forth to fit into pump body (3).
2.
Push impeller (5) on shaft until flush with pump body.
3.
Push rubber button (4) on end of impeller (5) to seal the shaft.
4.
Coat both sides of new gasket (7) with sealing compound (Item 18, App. C).
5.
Install gasket (7) and end plate (2) on pump body.
6.
7.
Reinstall six screws (1) and tighten screws evenly using screwdriver.
Replace buoyancy material if removed from starboard side (refer to paragraph 3-152).
8.
Close engine hatches.
9.
3-174
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