TM-9-2330-356-14

SEMITRAILER, TANK: 5000 GALLON, BULK HAUL, SELF LOAD/UNLOAD M967 AND M967A1; SEMITRAILER, TANK: 5000 GALLON, FUEL DISPENSING, AUTOMOTIVE M969 AND M969A1; SEMITRAILER, TANK: 5000 GALLON, FUEL DISPENSING, UNDER/OVERWING AIRCRAFT M970 AND M970A1

TECHNICAL MANUAL; OPERATOR’S, UNIT, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE MANUAL

OCTOBER 1990

TM-9-2330-356-14 - Page 157 of 528

TM 9-2330-356-14

Table 4-9. Unit Troubleshooting (Con‘t).

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

FUELING OPERATIONS (Con’t)

32. FUEL DOES NOT FLOW DURING ANY FILTERED OPERATION (M969, M969A1, M970, and M970A1)

(Con’t).

Step 2.

Check filter/separator gage registers 25 psi or more, the fuses are

clogged.

Replace clogged fuses (para 4-82).

Step 3.

Check for plugged nozzle screen.

Clean screen (paras 3-14 through 3-17).

33. FUEL DOES NOT FLOW DURING OVERWING FUELING OPERATION (M970 and M970A1).

Step 1.

Complete steps 1 and 2 under Malfunction 32,

FUEL DOES NOT FLOW DURING ANY FILTERED

FUELING OPERATION.

Step 2.

Check if deadman control is deactivated (para 2-11).

a.

If deadman control cannot be deactivated, check deadman control hoses for kinks.

Straighten kinks. Check deadman hoses for breaks. Check connections for leaks.

Replace damaged hoses and tighten loose connections (para 4-92).

b.

If deadman control checks out, inspect and test deadman release plunger circuit

(para 4-95). Replace any faulty component and tighten any loose connections.

34. FUEL DOES NOT FLOW DURING ANY UNDERWING FUELING OPERATION (M970 and M970A1).

Step 1.

Complete steps 1 and 2 under Malfunction 32,

FUEL DOES NOT FLOW DURING ANY FILTERED

FUELING OPERATION (M969, M969A1, M970, and M970A1).

Step 2.

Check if deadman control is inoperable (para 4-89).

a.

Check deadman control hoses for kinks. Straighten kinks.

b.

Check deadman hoses for leaks or loose connections. Replace hoses and tighten loose

connections (para 4-89).

c.

If handle control is faulty, replace the control.

4-2 1