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TM 55-2915-335-30&P
2-18. ARMATURE AND FIELD TUBE ASSEMBLY - lNSPECT/REPLACE (Cont)
2-18
Key-drive type impeller - Failure to check for key position may result
in damage to impeller.
g. For key-drive type impeller, turn impeller to check that key is in place. There will be some slop normally. But,
there must be no doubt that impeller and shaft are keyed together.
h. Install top washer (10) on armature shaft.
i. Using hooked wire, pull and hold electrical spring (8) away from one brush (6). With spring (8) held back, slide
brush (6) in against commutator. Rest spring (8) in slot of brush (6). Repeat the procedure for the opposite
brush.
Bare brush leads must not be allowed to contact field tube when
motor is in use. Leaving brush leads exposed may damage the pump
motor.
j. Carefully tuck brush shunt leads into the holder cavities. Maintain free movement of the brushes, but make
sure brush leads do not touch field tube.
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