INSPECT CAMSHAFT

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Section IX. CAMSHAFT REPAIR

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TM-9-2815-226-34-1 Engine Diesel 6 Cylinder Inline Turbocharged Cummins NTC-400 BC2 Manual

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REPAIR CAMSHAFT

TM 9-2815-226-34-1

3-23. INSPECT CAMSHAFT

a. Measure diameters of bearing journals.

b. Discard camshaft if any one journal diameter is less than 2.495 in. (63.373 mm).

NOTE

Camshaft lobes cannot be reground.

c. Discard camshaft that has scuffed or scored lobes.

d. Check camshaft for cracks using magnetic inspection (Magnaflux) method..

3-24. INSPECT CAMSHAFT TIMING GEAR AND THRUST WASHER

a. Check timing gear for chips, cracks, or visible wear.

b. Mark gear for replacement if defects found.

c. Inspect thrust washer for flaking, burrs, and distortion.

d. Measure thrust washer thickness to det ermine wear.

e. Discard if thickness less than 0.083 in. (2.108 mm).

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