TM 9-2320-280-20-2
8-2. JACKING INSTRUCTIONS
This task covers:
a. Raising Corner of Vehicle
e. Raising Rear of Vehicle
b. Lowering Corner of Vehicle
f. Lowering Rear of Vehicle
c. Raising Front of Vehicle
g. Raising Entire Vehicle
d. Lowering Front of Vehicle
h. Lowering Entire Vehicle
INITIAL SETUP:
Tools
General Safety Instructions
General mechanic’s tool kit:
Never work under vehicle unless wheels are
automotive (Appendix B, Item 1)
blocked and it is properly supported.
W A R N I NG
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 corner 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 Corner 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
