TM-9-2350-311-20-1 Maintenance Manual for Volume 1 M109 Hull Download
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TM9-2350-311-20-1 3 Start engine and warmup to 170°F (77°C) (TM9-2350-311-1O). 4 Disconnect fuel return hose (3) from female half of quick disconnect (4). Ensure valve in quick disconnect is pushed all the way in during the test. 5 Place female half of quick disconnect (4) in suitable container to catch fuel. 6 Set engine at 1200 rpm. Fuel is a hazardous waste and must be disposed of in accordance with local procedures or direction of the local Hazardous Waste Management office. 7 Depress valve of female half of quick disconnect (4) for 1 minute. Measure the fuel container(5). If fuel flow is less than 0.5 gal (1.9 L) per minute, check for broken shaft in fuel pump or dirt in relief valve (para 6-8). 8 Reconnect fuel return hose (3) at female half of quick disconnect (4). NOTE FOLLOW-ON MAINTENANCE: Close air intake grille (para 11-8) WARNING