Mazda 1983 RX7 - Oil Pump; Mazda RX7 Engine Oiling System; Measuring Oil Pump Drive Chain Slack

1.1L ROTARY
Article Text (p. 22)
1983 Mazda RX7
For www.iluvmyrx7.com
Copyright © 1998 Mitchell Repair Information Company, LLC
Sunday, August 26, 2001 04:57PM
Fig. 28: Mazda RX7 Engine Oiling System
OIL PUMP
NOTE: Oil pump is mounted on the front engine housing and must be
overhauled with front engine cover removed.
1) Remove front engine cover. Check oil pump drive chain
slack by pressing finger against chain and measuring slack. If
measurement exceeds .47" (12 mm), replace drive chain. See Fig. 29.
Fig. 29: Measuring Oil Pump Drive Chain Slack
Replace chain if slack exceeds limit.
2) Disassemble oil pump in following order: Remove snap ring,
rear outer rotor, rear inner rotor, key, and middle plate. Remove
front inner rotor, key shaft, spring pin, and front outer rotor. See
Fig. 30.