Item to be inspected
Table 2-1. Unit Preventive Maintenance Checks and Services (Continued)
Inspect brakeshoe lining. If brake lining is worn to
within 1/16 inch of shoe, replace with new brake shoe.
Replace shoes worn to the rivets at once to avoid damage to
the brake hub.
Inspect trunnion rubbers and bumper rubbers for wear
(replace if necessary). Refer to paragraph 3-17.
Test the fall of the lid. It should not fall freely.
Adjust lid hinge brake to control fall of lid. Refer to
Adjust lid lock lever adjusting screw if the lid can be
raised above recessed area in curb assembly. Refer to
Check electric motor for signs of overheating, obstructions
to ventilation, and for loose mounting.
Check air cleaner elements for dirt or clogged element.
Remove inspection caps on the two check valves, one in the
drain for the extractor and one on the water heater. Clean
out any obstructions and replace caps.
Retorque all mounting bolts on equipment, bins, and frame
assemblies (App D).