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 TM 9-2330-330-14&P
CENTRIFUGAL PUMP TROUBLESHOOTING
THIS WP COVERS:
Centrifugal Pump Troubleshooting
INITIAL SETUP:
Maintenance Level
Tools and Special Tools
Organizational
Tool kit, general mechanic's (item 4, WP 0171 00)
References
To troubleshoot the M969A3 centrifugal pump, perform the test/inspections and corrective actions
provided in Table 1.
Table 1. Troubleshooting Procedures.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
PUMP FAILS TO DELIVER
1.
Check pump strainer for
Clean strainer (refer to WP 0041
FUEL
debris or dirt clogging inlet. 00). Verify problem is solved. If
screen is not clogged, go to
step 2.
2.
Check to see if pump is
If pump is not primed, manually
primed.
prime pump per WP 0041 00. If
pump is already primed, go to
step 3.
3.
Verify all required valves
Set valves per schematic on tool
are open per fueling
box lid (refer to WP 0007 00). If
operations schematic on
valves are already set per
tool box lid (refer to WP
schematic, go to step 4.
4.
Check pump tubing and
If air is leaking into pump tubing
connections for air
and connections, tighten all
leakage.
connections. Verify problem is
solved. If gaskets need
replacement, notify Direct
Support maintenance.
END OF TASK
0024 00-1/2 blank
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