TM-9-2350-311-10 M109 Operator's Manual for M109A2, M109A3, M109A4 and M109A5 Download
Page 417 of 775
TM 9--2350--311--10 Change 6 3--17 3--5 HULL MAINTENANCE PROCEDURES — CONTINUED 3--5.2 Fuel System — Continued a. Service — Continued CAUTION The fuel tanks may hold a combined 133 gallons (503.4 l) of fuel in lower fuel tank. Before draining, provide a suitable container with capacity to hold the fuel to be drained. NOTE After operation, keep fuel tank full to minimize condensation. 4 When necessary, remove water and dirt from fuel tanks as follows: (a) Remove three cap screws (5), three flat washers (6), and access cover (7) with gasket (8) from bottom of vehicle. (b) Using a socket head screw key, remove plug (9). (c) When clear fuel is visible, install plug (9). (d) Install access cover (7) with gasket (8), three flat washers (6), and three cap screws (5). VEHICLE FRONT BOTTOM VIEW OF VEHICLE NOTE Coolant drain valve removed for clarity. 5 6 7 8 9