North American Clutch & Driveline
Rockford, Illinois
Phone: (800) 383-9204
(815) 282-7960
Fax (815) 282-9160
www.naclutch.com
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5. Inspect threaded openings for damaged threads. Chase damaged threads with a tap of the
correct size.
6. Inspect studs for damaged threads and looseness. Replace defective studs.
Bearings
1. Inspect bearings for roughness of rotation. Replace the bearing if the rotation is rough.
2. Inspect bearings for corrosion, scored, scratched, cracked, pitted or chipped races, and
for indication of excessive wear of balls or rollers. If one of these defects is found, replace the
bearing.
3. Inspect bearing bores and shafts for grooved burred or galled conditions that would indicate
that the bearing has been turning in its housing or on its shaft. If the damage cannot be repaired
with a crocus cloth, replace the part.
Bushings and Sleeves
Inspect bushings for size and out-of-roundness, scores, burrs, sharp edges, and evidence of
overheating. Remove scores with crocus cloth. If the bushing is out-of-round, deeply scored,
or excessively worn, replace it.
Splined Parts
Inspect splined parts for stripped, twisted, chipped or burred splines. Remove burrs with a soft
stone. Replace the part if other defects are found.
Clutch Plates
1. Inspect the clutch driving plates for cracked or glazed surfaces or for cracked, worn or
broken teeth. Check for excessive wear. Replace damaged or worn driving plates.
2. Inspect the floating plate for warpage or discolora tion. Replace damaged floating plate.
Snap Ring
Replace damaged or distorted snap rings.
