TM-9-2350-274-BD
M109/M110/M578 VEHICLES HOWITZER, MEDIUM, SELF-PROPELLED FULL-TRACKED
TECHNICAL MANUAL; OPERATORS, ORGANIZATIONAL DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE
JANUARY 1984
TM-9-2350-274-BD - Page 84 of 219
TM 9-2350-274-BD
FUEL SUPPLY SYSTEM
4-10. General.
The fuel lines route the fuel from the fuel tanks to the fuel filters and then to the engine.
Fuel lines are
SECTION IV. Fuel Lines and Valves
susceptible to leaks and being clogged by dirt or ice in cold weather. Leaking or plugged lines can be
bypassed temporarily but must be repaired to keep the fuel supply adequate. Some other tubing and hose
repairs are also provided in TM 9-2350-276-BD.
4-11. QUICK DISCONNECT LEAK
General Information:
There are three quick-disconnects in the fuel system of the M109/M110/M578 series. They are:
1. In the main fuel line near the primary fuel filter inlet.
2. In the fuel return line.
3. In the personnel heater fuel lines.
Limitations:
●
None
Personnel/Time Required:
●
1 soldier
●
15-30 minutes
Materials/Tools:
●
Rubber hose
●
Hose clamps
●
Knife
●
Adjustable wrench
Other Options:
●
Replace quick-disconnect with an adapter.
Procedural Steps:
1. Remove quick-disconnect coupling (1).
2. Insert rubber hose and hose clamps in its place.
3. Check for leaks and bleed the fuel line thoroughly.
4. Record the BDAR action taken. When mission
is completed, as soon as practicable, repair the
vehicle using standard maintenance procedures.
Change 1
4-11
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