Operating instructions

6-13
SUBASSEMBLY
AND PART
INSPECT NATURE OF INSPECTION
SPECIAL
CONSIDERATIONS
Gears Shafts Measure diameters and
compare with bushing
diameters.
Refer to Table of Limits.
Gear Teeth Scoring, burning or wear
enough to alter tooth profile.
Splines Look for wear on side of
splines and residual sludge.
Gear Bushings Bore Diameters Use telescoping gauge and
micrometer caliper.
Refer to Table of Limits.
Oil Pressure Relief
Valve Plunger
Outside Surface Measure diameter. Look for
scoring, nicks, etc.
Conical Face Roughness. Must seat perfectly in
housing.
Oil Pressure Relief
Valve Housing
Plunger Seat Spread Prussian blue oil base
pigment on face of plunger
and turn on seat, all around
plunger face must be lapped
to seat. (Plunger held
centered and aligned.)
Oil Pump Cover Shaft Holes Measure diameters. Refer to Table of Limits.
Tachometer
Drive Housing
Threads, Flange
Seal Bore
Thread distortion, warped
mounting surface, scored seal
counterbore.
See that old oil seal was
removed.
Oil Filter Adapter Threads Flange Damaged threads, warped
flange, cracks.
Oil Filter Threads, Screen
Pilot Cup
Damaged threads, punctured
screen, out-of-round pilot cup.
STARTER ADAPTER
ASSEMBLY
Adapter All Areas Cracks, scratches on
machined surfaces, damaged
tapped holes.
Needle Bearing Rollers Roughness or excessive play.
Studs Threads Distortion or stripping.
Height Check for backout. Refer to Stud Height Table.
Alignment Check studs suspected of
bending with toolmaker’s
square.