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TM 5-4320-308-13
Table 3-1. Unit Preventive Maintenance Checks and Services - Continued
B - Before Operation
A - After Operation
M - Monthly
D - During Operation
W - Weekly
INTERVAL
ITEM TO BE INSPECTED
Equipment is
Item
PROCEDURE
Not Ready/
No.
B
D
A
W
M
Available If:
14
Pump Case Assembly, Volute, and Suction (Intake)
Flange - Continued.
Listen for unusual noise during pump operation.
Unusual noise
indicates dam-
age to pump case
assembly and
volute.
Check volute (1), pump case assembly (2), and
Pump case as-
suction (intake) flange (3) for cracks and corrosion.
sembly compo-
nents are cracked
Check studs (4 and 5) for damaged or corroded
or damaged se-
threads.
verely enough to
prevent safe use.
Check condition of paint. Paint shall be in good con-
Inspection indi-
dition with no bare metal or corrosion.
cates pump may
bind during
operation.
3-22
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