TM-9-2350-311-10 M109 Operator's Manual for M109A2, M109A3, M109A4 and M109A5 Download
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TM 9--2350--311--10 3--18 3--5 HULL MAINTENANCE PROCEDURES — CONTINUED 3--5.2 Fuel System — Continued b. Refueling WARNING Diesel fuel is flammable. Do not smoke within 50 feet (15.2 m) of the vehicle while refueling to prevent serious injury to personnel. 1 Shut off engine. 2 Before removing fuel filler cap (10), clean away debris. 3 Open fuel tank access door (11) and remove fuel filler cap (10) slowly. 4 Ground fuel hose nozzle to vehicle. NOTE • Do not lay hose across vehicle. • If vehicle will not be operated for more than 1 month, perform step 5. If not, skip to step 6. • Fuel additive in step 5 will not remove foreign matter from the fuel system, but will prohibit microbial growth on inner fuel tank surfaces. • Ensure fuel tank is at least half full prior to putting fuel additive into fuel tank. 5 Add 3.5 ounces (103.5 ml) of additive (item 1, Appx D) for each 100 gallons (378.5 l) of diesel fuel in fuel tank. Use 4.725 ounces (139.7 ml) for a full tank of fuel (135 gallons (511 l)). 6 Fill to a level six inches (15.24 cm) below top of filler neck. 7 Replace fuel filler cap (10) and close fuel tank access door (11). 10 11