TM-9-2320-260-20
TRUCK, 5-TON, 6X6, M809 SERIES (DIESEL)
TECHNICAL MANUAL; UNIT MAINTENANCE
APRIL 1995
TM-9-2320-260-20 - Page 687 of 1337
TM 9-2320-260-20
9-2. JACKING AND SUPPORTING VEHICLE
(Contd)
WARNING
Do not work under vehicle that is supported by jack only. Jack
may slip, causing vehicle to fall, and result in injury or death to
personnel.
I
a. Chocking Wheels
Place wood chocks (2) in front of and behind front wheels (1) or rear wheels (3) if not being raised.
b. Raising and Supporting Front Axle
1.
Chock rear wheels (3) as necessary (task a).
2. Center hydraulic jack (5) under differential housing (6) and raise vehicle until front wheels
ground.
3. Place jack stands (4) under front axle (7) on each side. Adjust jack stands (4) to reduce lower
distance.
4.
Lower vehicle onto jack stands (4) and remove hydraulic jack (5).
(1) clear
ing
c. Lowering Front Axle
1. Center hydraulic jack (5) under differential housing (6) and raise vehicle until weight is off jack
stands (4).
2. Remove jack stands (4) from under vehicle.
3. Lower vehicle to ground and remove hydraulic jack (5).
4.
Remove wood chocks (2) from rear wheels (3).
I
d. Raising and Supporting Front Frame
1. Raise and support front axle (7) (task b).
2. Remove front wheels (1) (para. 9-3).
3. Raise vehicle with hydraulic jack (5) to take weight off jack stands (4) and place jack stands (4)
under frame (8), forward of spring brackets (9). Adjust jack stands (4) to reduce lowering distance.
4. Lower vehicle onto jack stands (4) and remove hydraulic jack (5).
e. Lowering Front Frame
1. Center hydraulic jack (5) under differential housing (6) and raise vehicle off jack stands (4).
2. Place jack stands (4) under front axle (7) on each side. Adjust jack stands (4) to reduce lowering
distance.
3. Lower vehicle onto jack stands (4), but do not remove hydraulic jack (5).
4. Install front wheels (1) (para. 9-3).
5. Lower front axle (7) (task c).
9-2
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