TM 5-4320-275-13 & P
Table 3-2. Operational Checks - Continued
Check for abnormal noises.
Unit should run quietly and smoothly.
If noises are evident notify organizational maintenance.
Check drive operation.
Operation should be smooth.
Report noisy operation to organizational maintenance.
Check pump for leaks or rust.
Pump should be free of leaks and rust.
Report leaks or rust condition to organizational maintenance.
Check pump output.
Fluid flow should be constant.
If flow is not constant, stop engine and clear pump inlet and outlet of
3-4. SERVICING FUEL SYSTEM
Check and clean fuel filter before and after operating to prevent an accumulation of moisture, which can freeze.
a. Turn shutoff valve in to OFF.
b. Loosen nut on bail of fuel filter.
c. Swing bail aside and remove fuel bowl.
d. Dump fuel from bowl and wipe bowl.
e. Reposition fuel bowl and bail.
f. Tighten nut on bail.
g. Turn shutoff valve out to ON.