MAINTENANCE OF M939 SERIES VEHICLES - OD1661 - LESSON 1/TASK 1
e.
Special Kits Controls and Indicators: A-Frame Kit. The A-frame
kit can be installed on cargo and tractor-trucks equipped with a
front winch for loading and unloading equipment.
The A-frame load
limit is 3,000 pounds.
Key item and component functions are as
follows:
(1) Apex Spreader
(figure
18),
positions
the
A-frame
supports
sheave assembly (3).
(2) Tube and Leg Assemblies, are attached to the lifting shackle
brackets and apex spreader (1) to form an A-frame for lifting.
FIGURE 18.
A-FRAME KIT AND AIRBRAKE
CONTROL KIT.
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