Metering Oil Pump; Exploded View Of Oil Pump Assembly; Adjusting Metering Pump Control Rod - Mazda 1983 RX7 Service Manual

Fig. 30:

Exploded View of Oil Pump Assembly

3) Insert a feeler gauge between lobes of inner and outer
rotors and check clearance. If beyond .006" (.15 mm), replace both
rotors.
4) Check clearance between outer rotor and pump housing with
a feeler gauge. If clearance exceeds .012" (.30 mm), replace rotors
and housing.
5) Place straightedge across pump mounting surface, and check
rotor end play with a feeler gauge. If beyond .006" (.15 mm), replace
pump body or rotors.
6) To assembly oil pump, reverse disassembly procedure.
Install oil pump and tighten bolts. Install sprockets and chain as
previously outlined. See Eccentric Shaft End Play Adjustment.

METERING OIL PUMP

1) Check clearance between metering pump lever and washer.
See Fig. 31. Clearance must be no more than .04" (1.0 mm).
Fig. 31:

Adjusting Metering Pump Control Rod

Adjust clearance by changing washers.
2) To check oil discharge, detach connecting rod. Disconnect
oil lines at carburetor. Start engine and adjust idle to 2000 RPM.
Once oil flow from hoses becomes steady, measure volume discharged.
Pump should discharge .07-.08 oz. (2.0-2.4 cc) in 6 minutes.
CAUTION: Carburetor will not be receiving oil during test. Add small
amount of clean oil to carburetor to provide proper
lubrication during testing.
1.1L ROTARY
Article Text (p. 23)
1983 Mazda RX7
For www.iluvmyrx7.com
Copyright © 1998 Mitchell Repair Information Company, LLC
Sunday, August 26, 2001 04:57PM