TM 10-3950-672-24-2
Camshaft - Cleaning
Wash the camshaft and gear with solvent and a lint free
cloth.
Camshaft and Gear - Inspection
Inspect the lift pump lobe, valve lobes and bearing
journals for cracking, pitting or scoring.
Inspect the gear teeth for pitting; look for cracks at the
root of the teeth.
Measure the life pump and valve lobes.
Diameter at Peak of Lobe
mm
in
Intake
47.040
MIN
1.852
47.492
MAX
1.870
46.770
MIN
1.841
47.222
MAX
1.859
Lift Pump
35.50
MIN
1.398
36.26
MAX
1.428
5-297