CLEANING AND INSPECTION
Dry cleaning solvent P-D-680 used to clean parts is toxic and flammable.
Wear protective goggles and gloves and use only in a well ventilated
area. Avoid contact with skin, eyes and clothes and dont breathe
vapors. Do not use near open flame or excessive heat and dont smoke
when using it. Failure to do so could cause serious injury. If you be-
come dizzy while using cleaning solvent, get fresh air and medical
If contact with skin or clothes is made, flush
amounts of water. If contact with eyes is made, wash eyes
and get medical aid immediately.
pivot shaft using cleaning solvent P-D-680. Dry using clean cloths.
Roll pivot shaft on flat surface to check for bent condition. Replace
pivot shaft if it does not roll smoothly.
Inspect pivot shaft for excessive wear. Use micrometer and measure pivot
shaft diameter two, four, and seven inches from each end. Record measure-
ments. Replace pivot shaft if diameter is less than 2.492 inches.
Inspect pivot shaft for out-of-roundness. Measure pivot shaft diameter 90
degrees from measurements in step (3) above. Replace pivot shaft if any
measurement differs by more than 0.008 inch from measurement recorded in
step (3) above.
Inspect pivot shaft ends for cracked or chipped condition. Check pivot
shaft for cracks, breaks, distortion, or damage. Replace pivot shaft if
Use bore gage to measure bushing inside diameter at several places along
its length. Replace bushing if inside diameter is more than 2.506 inches.
Check bushing lubrication holes for clogged condition. Inspect bushings
for cracks, distortion, or damage. Replace bushings as necessary.