INTERVAL
ITEM
NO.
ITEM TO BE INSPECTED
PROCEDURE
Equipment is
Not Ready/
Available
TM 5-4320-306-10
Table 2-2. Preventive Maintenance Checks and Services Continued
B - Before Operation
A - After Operation
D - During Operation
W - Weekly
B
D
A
W
12
Pump Assembly.
Equipment damage is
indicated by
While unit is operating, listen to the pump assembly
continuous,
components.
excessive noise.
There is evidence
Excessive noise in the pump body may indicate
of Class III leaks.
impeller binding or misalinement. A banging
noise in the pump body may be impeller
cavitation. This is corrected by reducing engine
speed, opening the suction gate valve, or a
combination of both. If cavitation occurs, consult
the performance data plate for proper engine
speed for the specific gravity liquid being pumped.
Noise behind the flywheel guard indicates a
loose or faulty coupling.
TM 5-4320-306-10
2-24
