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 151 of 528
TM 9-2330-356-14
Table 4-9. Unit Troubleshooting (Con‘t).
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
ENGINE (Con’t)
14. ENGINE TURNS OVER BUT FAILS TO START (Con’t).
Step 5.
Check for dirty fuel or clogged fuel filter.
a.
If fuel is dirty, drain and refill tank with clean fuel.
b.
Replace dirty fuel filters (para 4-73).
Step 6.
Inspect for proper grade of fuel.
Check fuel specifications (para 2-10), drain fuel tank, and fill with proper grade of fuel.
15. ENGINE HARD TO START OR LOW ENGINE POWER.
Step 1.
Step 2.
Step 3.
Step 4.
Step 5.
Check that engine oil is the proper grade for the ambient temperature. Check oil specification
charts (fig. 3-1 through 3-6).
Change to right grade of oil.
Inspect for proper grade of fuel.
Check fuel specifications (para 2-10), drain fuel tank, and fill with proper grade of fuel.
Inspect for fuel line leaks.
Tighten all connections, check for damage or defects to lines. Repair or replace the fuel lines
(para 4-73).
Check air cleaner dirt indicator for showing of red band, and examine for clogged filter intake.
a.
Replace filter element if red band is showing (para 3-18).
b.
Remove air cleaner intake cap and clean as necessary (para 3-18).
c.
Replace air cleaner if damaged (para 4-74).
Check for dirty fuel or clogged fuel filters.
a.
If fuel is dirty, drain and refill tank with clean fuel.
b.
Replace dirty fuel filters (para 4-73).
16. LOW OIL PRESSURE (MINIMUM 20 PSI).
Step 1.
Check oil level. If low, check for external leaks.
a.
Fill with proper oil.
b.
If leaks are noticed, notify direct support maintenance.
4-15
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