TM 5-3805-290-23-1
FUEL SYSTEM TESTS, INSPECTIONS, AND ADJUSTMENTS - CONTINUED
0011 00
FUEL QUALITY TEST - CONTINUED
7.
If fuel quality is determined to be problem, drain fuel system (WP 0020 00) and replace fuel filters (WP 0036 00). Fill
tank with good fuel (TM 5-3805-290-10). Engine performance can be affected by these characteristics:
a.
Cetane number of fuel.
b.
Air in fuel.
c.
Fuel mixed with other fluids.
FUEL SYSTEM INSPECTION
0011 00
N OT E
Problems with components that send fuel to engine can cause low fuel pressure. This can decrease engine
performance.
1.
Check fuel level in fuel tank (TM 5-3805-290-10).
2.
Ensure vent in fuel cap is not plugged with dirt (TM 5-3805-290-10).
3.
Check all fuel lines for fuel leakage. Fuel lines must be free from dents, restrictions, and sharp bends. Verify fuel return
line is not collapsed.
4.
Install new fuel filter(s) (WP 0036 00).
11
11
WARN I N G
DO NOT use a tool that causes sparks to cut open fuel filter. Failure to follow this warning may result in
death or injury to personnel.
11
5.
Inspect filter for excessive contamination. Determine source of contamination. Make necessary repairs.
6.
To remove air from fuel system, prime fuel system (WP 0029 00).
