CANNOT BOTTOM LOAD FUEL WITH TANKER PUMP-continued

TM 9-2320-279-20-1

Troubleshooting Malfunctions (Cont)

Table 2-9. Troubleshooting (Cont)

Malfunction

Test or Inspection

Corrective Action

Steps 4 through 6 apply only when using an external pump.

Check for loose, damaged, or blocked V14 pilot valve to V19 jet level sensor valve tubing.

Step 4.

Tighten loose connections. Clean blocked tubing. Replace damaged tubing

(para 25-4).

Step 5.

Remove V19 jet level sensor valve (para 25-32). Check for damage, dirt, and debris.

Remove dirt and debris. Replace damaged V19 jet level sensor valve.

Remove V10 bottom load valve and V14 pilot valve (paras 25-24 and 25-28). Check valves

Step 6.

for damage, sticking, or binding.

Replace defective V10 bottom load and V14 pilot valves.

Change 3