ENGINE - Continued
Accessory Drive - Continued
This procedure may be used for any accessory drive.
Dry cleaning solvent P-D-680 (safety or Stoddards solvent) is potentially dangerous. Avoid repeated and
prolonged breathing of vapors and skin contact with the liquid. Do not use near open flame, arcing
equipment or other ignition sources. Always wear eye protection and protective clothing. The flash point
of P-D-680 is 100 to 138 deg. F (30 to 59 deg. C).
Death or serious injury could occur if compressed air is directed against the skin. Do not use compressed
air for cleaning or drying unless the pressure is/has been reduced to 30 psi (2.11 kg/cm2) or less. When
working with compressed air always use chip guards, eye protection, and other personal protective
Clean all of the parts with dry cleaning solvent (item 10, Appendix B) and dry them with compressed air.
Check the teeth on the drive coupling or drive plate and the drive shaft for wear. Replace any parts
which are worn excessively.
Rotate drive shaft, and move up and down to check for bearing wear. Replace bearing as detailed in
REPAIR following if bearing is excessively worn.
Inspect the oil seal. If there is any sign of oil leaks, replace oil seal as detailed in REPAIR following.
For flexplate drives, inspect flexplates for signs of warp or twist. Replace as required.
Front Accessory Drive Installation
This accessory drive is not utilized on this truck. The front accessory drive is camshaft mounted (refer to
General Support for installation).