Tools and Special Tools
91B, Light Wheel Vehicle Mechanic
Engine Shut Down
Two person lift is required for adjustment of front and rear towing hitches. One person will use
both hands to hold center bar while second person adjust pins. Hitch side weights 78 lbs,
when adjusting height avoid all pinch areas.
Inspect pintle hitch assembly for mount security, worn, damaged, or missing parts, and excessive movement of
upper jaw. When closed, the maximum gap between the upper and lower jaw is 3/16 of an inch. Replace hook
assembly if gap exceeds 3/16 of an inch. When closed, lift up on latch and measure the distance (slop) between
the hook and the latch. Replace latch if gap exceeds 1/4 of an inch.
END OF TASK
Figure 1 illustrates a front (exterior) and rear (interior) view of the pintle hitch assembly.
The front and rear hitch assemblies are identical. Removal and replacement procedures are