TM 5-3805-281-24-2
INSPECT AND MEASURE FLYWHEEL
1. Inspect the clutch contact face for scoring, overheating,
or cracks. Replace flywheel if defective.
2. Examine flywheel ring gear for worn or broken teeth.
Replace ring gear if defective, as described later in this
group.
IMPORTANT: Maintain constant end pressure on
crankshaft to hold shaft against thrust
bearing when measuring flywheel or
housing face.
3. Measure flywheel housing face run-out, flywheel face
flatness, and pilot bearing bore concentricity, as
outlined later in this group. Resurface flywheel face or
replace as required.
RG,RG34710,1158
1923OCT971/1
CHECK FLYWHEEL HOUSING FACE
RUNOUT
1. Mount dial indicator on flywheel. Set pointer to contact
PTO mounting surface on flywheel housing at right
angles. Pointer should not contact holes in flywheel
housing.
IMPORTANT: Maintain constant end pressure on
crankshaft to hold shaft against thrust
bearing when measuring flywheel
housing face runout.
Checking Flywheel Housing Face Runout
2. Rotate flywheel by turning crankshaft. Read total dial
indicator movement.
Flywheel Housing Face--Specification
Runout ........................................................ 0.20 mm (0.008 in.) maximum
variation
RG,RG34710,1159
1923OCT971/1