Rotor Bearing Replacement; Apex Seal; Pressing Rotor Bearing From Rotor; Measuring Apex Seal Height - Mazda 1983 RX7 Service Manual

Rotor Bearing Replacement

1) Place rotor bearing on support so internal gear is facing
downward. Using rotor bearing replacer (49 0813 240), without adapter
ring, press bearing out of rotor.
2) Place rotor on support with internal gear facing upward.
Place a new rotor bearing so slot in rotor bore is in line with
bearing lug. Press new bearing (using tool with adapter) until bearing
is flush with rotor boss. See Fig. 13.
Fig. 13:

Pressing Rotor Bearing from Rotor

Slot in rotor bore must be in line with bearing lug.

Apex Seal

1) Clean all carbon from apex seal and spring with a cleaning
solution (not emery paper). Measure height of apex seal with a
micrometer. See Fig. 14. Replace seal if height is less than .275" (7.
0 mm).
Fig. 14:

Measuring Apex Seal Height

Clean thoroughly before measuring.
2) Check for warpage by measuring the clearance between the
top surfaces of 2 apex seals with a feeler gauge. Replace all 3 seals
if clearance exceeds .0024" (.06 mm). See Fig. 15.
1.1L ROTARY
Article Text (p. 10)
1983 Mazda RX7
For www.iluvmyrx7.com
Copyright © 1998 Mitchell Repair Information Company, LLC
Sunday, August 26, 2001 04:57PM