Mazda 1990 323 Workshop Manual Supplement page 345

TRANSAXLE AND TRANSFER UNIT
K2
Clearance
Measure the clearances below; if not within specification, replace the oil pump.
0
0
0
l.Seal pin-Oil pump cover
3. Cam ring-Oil pump cover 5. Vane-Rotor groove
Standard:
Standard:
Standard:
0.005-0.020mm
0.005-0.020mm
0.01 O-0.045mm
(0.0002-0.0008 in)
(0.0002-0.0008 in)
(0.0004-0.0018 in)
Maximum:
Maximum:
Maximum:
0.060mm (0.002 in)
0.080mm (0.003 in)
0.065mm (0.0026 in)
2. Rotor-Oil pump cover
4. Vane-Oil pump cover
Standard:
Standard:
0.005-0.020mm 0.015-0.050mm
(0.0002-0.0008 in)
(0.0006-0.0020 in)
Maximum:
Maximum:
0.030mm (0.0012 in) 0.080mm (0.003 in)
Wear limit
Check each part for wear; if not within specification, replace the oil pump.
1. Oil pump body sleeve . . . . . . . . . outer diameter
4. Valve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . outer diameter
Standard: 28.00mm (1.102 in)
Standard: 12.00mm (0.472 in)
Minimum: 11.86mm (0.467 in)
2. Rotor bushing ..,,.,..,........... inner diameter
Standard: 28.00mm (1.102 in)
5.Seal pin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . outer diameter
Maximum: 28.05mm (1.104 in)
Standard: 5.00mm (0.197 in)
Minimum: 4.90mm (0.193 in)
3. Guide ring . . . . . . . . . . . . . . . . . . . . . . . . . . outer diameter
Standard: 57.85mm (2.278 in)
Minimum: 57.70mm (2.272 in)
K2-169