Release Bearing And Fork; Exploded View Of Rwd Clutch Assembly - Mazda 1983 RX7 Service Manual

Fig. 1:

Exploded View of RWD Clutch Assembly

Check clutch disc and flywheel for excessive wear, cracks or damage
and release bearing for noise or roughness.
Inspection
1) Check disc for loose rivets, worn springs or oil
contamination. Minimum lining height above rivet heads is .012"
(.30 mm). On RX7, minimum disc free thickness is .276" (7 mm).
2) Inspect flywheel and pressure plate friction surfaces for
burns, scoring or grooves. Friction surface warpage limit is
.002" (.05 mm). Resurface or replace flywheel and/or pressure plate as
necessary. If flywheel ring gear is replaced, ensure chamfer on teeth
faces engine.
3) On RX7, inspect pressure plate diaphragm spring fingers
for excessive wear or out of alignment. Maximum out of alignment limit
is .039" (1 mm). Finger groove wear limit is .039" (1 mm).
4) Mount clutch disc on input shaft. Check runout using dial
indicator. Maximum runout is .039" (1 mm). Check disc hub and input
shaft splines for excessive wear. Hub must slide smoothly on input
shaft splines.
Installation
1) Lightly coat input shaft splines and release bearing
contact areas with molybdenum grease. Use clutch alignment tool to
center clutch assembly. Clutch cover and flywheel "O" alignment marks
must be aligned at installation.
2) Tighten pressure plate bolts evenly, in diagonal pattern.
To complete installation, reverse removal procedure.
RELEASE BEARING & FORK
Removal & Installation
1) With clutch assembly removed, detach release bearing and
fork. On GLC Wagon, loosen and remove bolt attaching release shaft to
transmission. Slide bearing off bearing cover. Remove shaft from
clutch housing.
2) On all models, check release bearing by turning by hand
CLUTCH
Article Text (p. 2)
1983 Mazda RX7
For www.iluvmyrx7.com
Copyright © 1998 Mitchell Repair Information Company, LLC
Sunday, August 26, 2001 06:33PM