DRILLED PASSAGES MUST BE FREE OF ANY FOREIGN MATTER. BLOCKAGE OF
PASSAGES CAN RESULT IN REDUCED PRESSURE AND VOLUME OUTPUT OF OIL
PUMP. THIS COULD CAUSE TOTAL ENGINE FAILURE AND COSTLY REPAIRS.
b. Direct compressed air through all passages to remove foreign matter. Ensure all passages are clean.
c. Remove any gasket material from sealing surfaces.
d. Inspect gears for worn, or chipped, scored, or broken teeth. Replace if defective.
e. Inspect body and cover for burrs, pitting, corrosion, nicks, cracks, breaks, and distorted threads.
f. Check idler shaft for galling, cracks, and turning in body.
g. Measure idler shaft outside diameter.
h. Discard shaft if diameter less than 0.6145 in. (15.603 mm).
i. Inspect main shaft for galling and cracks.
j. Measure main drive shaft outside diameter.
k. Discard shaft is diameter less than 0.6145 in. (15.603 mm).
l. Measure ins ide diameters of idler gear bushings.
m. Mark bushings for replacement if diameters exceeds 0.6184 in. (15.7100 mm).
n. Inspect dowel alignment pin for damage.
o. Mark pin for replacement if damaged.
p. Check pressure regulator plunger in body for binding, sticking, and looseness.
q. Discard plunger if too loose, binding, or sticking.
r. Wipe all parts clean.