TM 10-4610-239-24
TM 08580B-24/3
Table 2-2. Troubleshooting - Continued
Malfunction
Test or Inspection
Corrective Action
DISTRIBUTION PUMP ASSEMBLY
1. DISTRIBUTION PUMP RUNS HOT.
Step 1. Hold distribution nozzle operating lever in the fully open position and allow water to
flow.
If water does not flow steadily, go to step 2.
If water flows steadily for 30 seconds and pump motor stays hot, replace distribution
pump assembly. Refer to paragraph 2-131.
If water flow steadily for 30 seconds or less and pump motor cools off, set
DISTRIBUTION PUMP switch to STOP position and turn distribution pump on only
when water is to be released through distribution nozzle.
Step 2.
Check suction hose for blockage.
If suction hose is blocked, clean out suction hose.
If suction hose is not blocked, replace distribution pump assembly.
Refer to
2. PUMP ASSEMBLY IS NOISY DURING OPERATION
Check that pump assembly is secured to frame.
If pump assembly is secure, replace distribution pump assembly. Refer to paragraph
If pump assembly is not secure, secure pump assembly.
RAW WATER PUMP NO. 1 ASSEMBLY
PUMP ASSEMBLY IS NOISY DURING OPERATION
Check that pump assembly is secured to frame.
If pump assembly is secure, replace raw water pump assembly. Refer to paragraph
If pump assembly is not secure, secure pump assembly.
2-47
