7.15
CLUTCHING (PVT)
7
2. Remove shift weight bolts and weights. Inspect the contact
surface of the weight. The surface should be smooth and
free of dents or gall marks. Inspect the weight pivot bore
and pivot bolts for wear or galling. If weights or bolts are
worn or broken, replace in sets of three with new bolts.
NOTE: A damaged shift weight is usually caused by
a damaged or stuck roller in the spider assembly.
See “Roller, Pin and Thrust Washer Inspection”.
Bearing Inspection
1. Rotate the clutch bearing in both clockwise and counter-
clockwise directions. The one-way bearing should rotate
counter-clockwise (when viewed from cover plate side)
with only a slight amount of drag. When rotated clockwise
the one-way bearing should lock to the shaft without
slipping.
2. Verify there is no binding or rough spots. If problems are
noted continue with disassembly.
Clutch Inspection
NOTE: Remove cover, spring, and spider following
instructions for drive clutch removal, then proceed
as follows:
1. Remove the moveable sheave spacer sleeve (1) and the
thrust washer (2). Visually inspect the washer for damage.
2. Measure the thickness and compare to specification.
Replace if worn or damaged.
3. Remove the moveable clutch sheave.
4. Lift bearing (3) and thrust washer (4) off shaft. Replace as
an assembly if worn, damaged, or if problems were noted.
= In. / mm.
Thrust Washer Thickness
Standard: .030” (.76mm)
Service Limit: .025” (.64mm)
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2
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