20-62. CAMSHAFT REPAIR (CONT).
Remove and discard six lock rings (3) and bearing halves (4) from left and right camshaft (5) and (6).
Fuel is very flammable and can explode easily. To avoid serious injury or death, keep fuel
away from open fire and keep fire extinguisher within easy reach when working with fuel.
Do not work on fuel system when engine is hot. Fuel can be ignited by hot engine.
Compressed air used for cleaning purposes will not exceed 30 psi (207 kPa). Use only with
effective chip guarding and personal protective equipment (goggles/shield, gloves, etc).
Failure to comply may result in injury or death to personnel.
Both camshafts are cleaned and
inspected the same way.
Clean all parts with diesel fuel.
Dry all parts with compressed air.
Inspect camshaft (1) for scratches, gouges,
scoring or pitting.
File burred keyways smooth.
Retap threaded holes if threads are stripped
If feeler gage larger than 0.003 in.
(0.076 mm) fits between flat lobe
and straight edge, replace camshaft.
Measure flat spots (2) on cam lobes using straight edge and 0.003 in. (0.076 mm) feeler gage.