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TM 5-4320-306-24
3-4. REPLACE/REPAIR PUMP ASSEMBLY (Continued)
3.
Assemble and install new shaft seal (9)
CAUTION
Be sure all seal surfaces are free of fingerprints and grease
a.
Install stationary seal half in seal housing (4), polished surface out.
b.
Lubricate inside bore of new rotating seal half with grease. Install rotating seal half over shaft,
carbon side in.
c.
Install new seal spring.
4.
Install seal housing (4) on bearing housing (14) with nuts (12) and lockwashers (13) Tighten nuts (12)
in an alternating pattern
5.
Install new wear ring (11) in seal housing (4).
6.
Install shaft sleeve (10) over shaft, larger outside diameter out.
7.
Hold shaft securely and install impeller (8). Tighten securely on shaft.
8.
Install new gasket (6) on seal housing (4).
9.
Install new wear ring (7) into pump body (3).
3-13
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