TM 10-4610-239-24
TM 08580B-24/3
Table 2-2. Unit Troubleshooting - Continued
Malfunction
Test or Inspection
Corrective Action
INSTALLING PIPING - Continued
2. RUPTURE DISK RUPTURES - Continued
Step 3.
Hold contact bracket against Bourdon tube while checking for continuity between red
(NO) and purple (COMMON) wires at terminal board inside high-pressure switch.
If multimeter does not indicate continuity, notify Direct Support Maintenance.
If multimeter indicates continuity, replace high-pressure switch. Refer to paragraph
2-85.
BOOSTER PUMP ASSEMBLY
PUMP ASSEMBLY IS NOISY DURING OPERATION
Check that booster pump assembly is secured to ROWPU frame.
If booster pump assembly is not secure, secure booster pump assembly. Refer to
If booster pump assembly is secure, replace booster pump assembly.
Refer to
CHEMICAL FEED METERING PUMP ASSEMBLY
1. PUMP FAILS TO PRIME
Step 1.
Check chemical container for chemical level.
If chemical level is adequate, go to step 2.
If chemical level is low, fill chemical container. Refer to TM 10-4610-239-10.
Step 2.
Check two hoses connecting chemical container to three-way ball valve for holes or
loose connections.
If connections are tight and there are no holes in flexible tubing, go to step 3.
If connections are loose, tighten connections.
If flexible tubing has hole, replace flexible tubing.
2-42
