TM-9-2320-387-24 HMMWV Direct Support & General Support Maintenance Manual Volume 1 Download
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TM 9-2320-387-24-l 1 8-2. JACKING INSTRUCTIONS I This task covers: a. Raising Comer of Vehicle e. Raising Rear of Vehicle b. Lowering Corner of Vehicle f. Lowering Rear of Vehicle c Raising Front of Vehicle g. Raisiag Entire Vehicle d. Lowering Front of Vehicle b. Lowering Entire Vehicle INITIAL SETUP: Tools General mechanic’s tool kit: automotive (Appendix B, Item 1) Manual References TM 9-2320-387-24P General Safety Instructions Never work under vehicle unless wheels. are blocked and it is properly supported. Maintenance Level unit WARNING Hydraulic jacks are used for raising and lowering, and are not used to support vehicle. Never work under vehicle unless wheels are blocked and it is properly supported. Injury or damage to equipment may result if vehicle suddenly shifts or moves. a. Raising Corner of Vehicle 1. Block wheels (2) or (4). 2. Place jack under lower control arm (5) on comer to be raised. 3. Raise vehicle (1) high enough to place trestle (3). 4. Place trestle (3) under flat portion of frame rail (7) and lower jack until weight is supported by trestle (3). b. Lowering Comer of Vehicle 1. Raise vehicle (1) and remove trestle (3). 2. Lower vehicle (1). 3. Remove blocks from wheels (2) or (4). c. Raising Front of Vehicle 1. Block rear wheels (2). 2. Center jack under front suspension front crossmember (6). Use a wood block between jack and crossmember (6). 3. Raise vehicle (1) high enough to place trestles (3). 4. Place trestles (3) under flat portion of frame rails (7) and lower jack until weight is supported by trestles (3). d Lowering Front of Vehicle 1. Raise vehicle (1) and remove trestles (3). 2. Lower vehicle (1). ’ 3. Remove blocks from rear wheels (2). 8-2