Mazda 323 1988 Workshop Manual page 168

OIL PUMP, OIL PRESSURE Zfi
INSPECTION
1. Inspect for distortion or damage to the pump body
or cover.
2. Inspect for weak or damaged plunger.
3. Inspect for weak or broken plunger spring.
4. Measure the following clearances:
Inner gear tooth tip and outer gear clearance:
0.2 mm (0.0079 in) max.
Outer gear and pump body clearance:
0.22 mm (0.0087 in) max.
Side clearance:
0.14 mm (0.0055 in) max.
5. Replace the gear assembly or oil pump body if the
clearances are not within the limits.
OIL PRESSURE
INSPECTION
1, Remove the oil pressure switch.
2. Connect the SST to Ihe pressure switch instaila-
tion hole in the cylinder block.
3. Start the engine and let it warm up.
4. Maintain engine rpm at 3,000, and note the gauge
reading.
Standard oil pressure:
343-441 kPa (3.5-4.5 kg/cm2, 5O-64pSi)
5. If the pressure is lower than specified, check and
repair if necessary.
(Refer to Troubleshooting Guide.)
2A-9