TM-9-2320-387-10 HMMWV Operator Manual Download

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TM 9-2320-387-10 2-104 Change 1 2-39. SPECIAL INSTRUCTIONS .WARNING. This vehicle has been designed to operate safely and efficiently within the limits specified in this TM. Operation beyond these limits is prohibited by IAW AR 750-1 without written approval from the Commander, U.S. Army Tank-automotive and Armaments Command, ATTN: AMSTA-CM-S, Warren, MI 48397-5000. NOTE Except where noted, all normal operating procedures will apply in addition to special instructions for unusual operating conditions. a. Cleaning. Refer to para. 2-5 for cleaning instructions and precautions. b. Lubrication. Refer to appendix-G for proper lubricating instructions. c. Driving Instructions. (1) FM 21-305, Manual for the Wheeled Vehicle Driver, contains special driving instructions for operating wheeled vehicles. (2) FM 55-30, Army Motor Transport Units and Operations, contains instructions on driver selection, training, and supervision. (3) FM 9-207, Operation and Maintenance of Ordnance Materiel in Cold Weather, contains instructions on vehicle operation in extreme cold of 0° to -65°F (-18° to -54°C). (4) Other documents with information on vehicle operation under unusual conditions are: (a) FM 31-70 Basic Cold Weather Manual (d) FM 90-5 Jungle Operations (b) FM 31-71 Northern Operations (e) FM 90-6 Mountain Operations (c) FM 90-3 Desert Operations d. Special Purpose Kits. Paragraphs describing special purpose kits for operation under unusual conditions are: (1) Deep water fording operation, para. 2-48. (2) Vehicular heater operation, para. 2-50. e. Transmission Range Selection. For proper transmission range selection, refer to table 1-6. If transmission range selection is peculiar to an unusual operating condition, it will be specified in the applicable paragraph. f. Transfer Case Range Selection. CAUTION Vehicle must be stopped and transmission shift lever in N (neutral) before transfer case can be shifted. Failure to do this will result in damage to drivetrain. Damage to drivetrain will result if transfer case is operated in L (low range) or H/L (high/lock range) on high-traction surfaces with no wheel slippage.