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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)
Pump case as-
Flange.
sembly and
volute nuts or
Check that volute (1) is securely mounted to pump
studs loose or
case (2) with studs (3) and nuts (4').
broken. Foreign
material, capa-
Check that pipe plugs (5 and 6) are securely in-
ble of damaging
stalled in pump case.
pump, found in
pump, found in
suction (intake)
Check that suction (intake) flange (7) and check
flange or check
valve (8) are securely mounted to pump case as-
valve.
sembly with studs (9) and nuts (10). Check for
damaged threads on studs (9).
Visually check interior of suction (intake) flange
(7) for foreign matter that could enter into pump
case (2) and volute (1) during operation.
Check female coupling (11) for damage.
3-21
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