TM-9-2320-280-10 HMMWV Operator Manual Download
Page 204 of 405
TM 9-2320-280-10 b. Before Operation. Fuel filter must be drained frequently because of high condensation in fuel system. To drain fuel filter, refer to paragraph 3-10. c. During Operation. (1)If necessary, place transfer case shift lever in “H/L”(high lock range) to obtain a start without spinning wheels. (2) Do not spin wheels when placing vehicle in motion in heavy rain conditions. (3) Refer to para. 2-29 for techniques that can be used when operating on unusual terrain. 2-36. SHALLOW WATER FORDING OPERATION a. General . M998 series vehicles have a 30 in. (76 cm) shallow water fording capability without the use of a deep water fording kit. CAUTION Never attempt shallow water fording unless water depth is known to be 30 in. (76 cm) or less, and bottom is known to be hard. Do not exceed 5 mph (8 kph) during fording operation. Damage to vehicle will result. b. Before Operation. (1) Make sure oil dipstick, transmission dipstick, oil filler cap, and fuel tank cap are secure. (2) Secure all loose objects on vehicle. (3) Make sure battery caps are all present and tight. WARNING Do not allow tools to come in contact with vehicle when disconnecting or connecting slave receptacle cable. Tool contact with vehicle will result in a direct short, causing instant heating of tool, tool damage, and injury to personnel. NOTE Perform steps 4 through 6 only if fording in salt water. (4) Disconnect battery ground cable (1). NOTE Battery positive cable must remain on power stud. (5)Disconnect slave receptacle positive lead 49A (2) at power stud (3). (6) Connect battery ground cable (1). (7)Place transfer case shift lever in “H” (high range). 2-145