AUXILIARY PUMP FAILS TO DELIVER RATED FLOW.

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Troubleshooting Malfunctions (Cont)

2-15. TROUBLESHOOTING INSTRUCTIONS (CONT) .

Table 2-9. Troubleshooting (Cont)

Malfunction

Test or Inspection

Corrective Action

TANKER SYSTEM (CONT)

9. AUXILIARY PUMP FAILS TO DELIVER RATED FLOW.

Step 1. Check for fuel leaks and damage all around AUXILIARY PUMP and auxiliary pump piping.

Tighten loose connections. Replace damaged piping, leaking gaskets, or leaking

AUXILIARY PUMP (paras 25-11, 25-7).

Step 2. Remove AUXILIARY PUMP (para 25-7). Check volute housing for damage, dirt, and debris.

Remove dirt and debris. Replace damaged AUXILIARY PUMP.

Step 3. Refer to MALFUNCTION 6, FUEL SERVICING RATE IS SLOW OR NO FLOW.

10. AUXILIARY PUMP MAKES EXCESSIVE NOISE.

Step 1. Check that AUXILIARY PUMP and motor mounting hardware is tight and not damaged.

Tighten loose mounting hardware and replace damaged parts (para 25-7).

Step 2. Remove AUXILIARY PUMP (para 25-7). Check volute housing for damage, dirt, and debris.

Remove dirt and debris. Replace damaged AUXILIARY PUMP.