CONNECTING TO TOWED VEHICLE - Continued
Use care not to wrap chain around frame flange or any air, hydraulic or fuel lines
that may run along the frame. This could bend frame flange or damage hoses and
lines. Chain may be wrapped over both frame rails. This will not pull down on frame
Boom extensions should be secured behind the second axle when towing the PLS systems.
Secure boom extensions, as close to the frame as possible, using one of the following methods:
a. Frame hooks on frame (covered in this task).
b. Chain around frame (must use both sides of frame).
c. Chain around area that could withstand towing force to include rear axle or spring hangers.
10. Position frame hook (8) over frame flange (9) and install 1/2 inch chain (10) through
clevis (11) and back to boom extension clevis (12).
11. Repeat step 8 for remaining frame hook.
12. Using remote control or hydraulic valve lever controls, BOOM EXTEND to tighten rear
Remove wheel chocks from towed vehicle, and disengage parking brake, air line
may need to be attached to towed vehicle (WP 016).
If the vehicle being recovered is not equipped with front towing eyes, skip to step 11.
13. Position upper section (4) to towing eye (5) of towed vehicle and secure with hitch pin (6)
and spring clip (7).
Figure 47. Frame Hooks and Tow Bars