|
| |
TM 10-4320-324-14
Table 3-1. Troubleshooting - CONT.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
PUMP ASSEMBLY - CONT
1.
NO SUCTION OR DISCHARGE PRESSURE (CONT).
Step 2. Check for clogged suction strainer.
Clean suction strainer.
Step 3. Check for collapsed suction hose.
Replace suction hose.
Step 4. Check for foreign matter in discharge valves.
Notify unit maintenance.
Step 5. Check for high suction lift or discharge head.
Notify unit maintenance.
Step 6. Check for damaged gauges.
Notify unit maintenance.
Step 7. Check that drain valve is tightly closed.
Close drain valve.
Step 8. Check for pump prime.
Refer to paragraph 2-7 or 2-8 and prime pump.
2.
PUMP STOPS OR FAILS TO DELIVER RATED FLOW OR PRESSURE.
Step 1. Check for air leak in suction line.
Correct leak.
Step 2. Check for clogged suction strainer.
Clean suction strainer.
Step 3. Check to verify suction intake is fully submerged.
Submerge suction intake.
3-7
|
