Mazda 323 1988 Workshop Manual page 63

IA
INSPECTION AND REPAIR
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(2) Measure the rocker arm shaft diameter
IA-44
Diameter:
17.959-17.980 mm (0.7070-0.7078 in)
(3) Subtract the shaft diameter from the rocker arm
diameter.
Oil clearance:
0.020-0.068 mm (0.0008-0.0027 in)
Maximum: 0.10 mm (0.0039 in)
Hydraulic Lash Adjuster (HLA)
Check the HLA face for wear or damage, replace if
necessary.
Caution
Do not remove the HLA unless necessary to
prevent damage to the "0" ring.
Cylinder l3lock
1. Check the cylinder block, repair or replace if
necessary.
(1) Leakage damage
(2) Cracks
(3) Scoring of wall
2. Measure the distortion of the top surface of the cyl-
inder block in the six directions shown in figure.
Distortion: 0.15 mm (0.006 in) max.
3. if the distortion exceeds the maximum, repair by
grinding, or replace the cylinder block.
Grinding: 0.20 mm (0.008 in) max.