fold seats MAZDA 323 1989 Factory Repair Manual

Bl INSPECTION / REPAIR
INSPECTION / REPAIR
PREPARATION
SST
49 LO12 OAO)
Remover and
03UOBi-08
1. Clean all parts, being sure to remove all gasket fragments, dirt, oil or grease, carbon, moisture residue,
and other foreign materials.
2. Inspection and repairs must be performed in the order specified. .__a
Caution
l Do not damage the joints or friction surfaces of aluminum alloy components (such as the cyl-
inder head or pistons).
81-54
03UOBl-090 05UOBX-119
CYLINDER HEAD
1. Inspect the cylinder head for damage, cracks, and leakage
of water and oil. Replace the cylinder head if necessary.
2. Measure the cylinder head distortion in the six directions
shown in the figure.
Distortion B6 SOHC: 0.15mm (0.006 in) max.
BP SOHC: O.lOmm (0.004 in) max.
Caution
l Before grinding the cylinder head, check the follow-
ing and repair or replace the cylinder head as
necessary.
Sinking of valve seats
Damage of manifold contact surface
Camshaft oil clearances and end play
3. If the cylinder head distortion exceeds specification, grind
the cylinder head surface.
If the cylinder head height is not within specification, replace
it.
Height: 107.4-l 07.6mm (4.228-4.236 in)
Grinding B6 SOHC: 0.20mm (0.008 in) max.
BP SOHC: O.lOmm (0.004 in) max.

I32 INSPECTION / REPAIR
INSPECTION / REPAIR
PREPARATION
SST
49 6012 005 49 6012 005
Remover & Remover &
installer, valve installer, valve
guide guide
49 LO12 002
Body
(Part of
49 LO12 OAO)
49 LO12 004
Nut
(Part of
49 LO12 OAO) For
removal of
valve guide
For
installation of
valve guide
For
installation of
valve guide 49 LO12 OAO
Installer set,
valve seal &
valve guide
49 LO12 003
Installer
(Part of
49 LO12 OAO) For
installation of
valve guide
For
installation of
valve guide
05UOBX-1
1. Clean all parts, being sure to remove all gasket fragments, dirt, oil or grease, carbon, moisture residue,
and other foreign materials.
2. Inspection and repairs must be performed in the order specified. -.,
Caution
l Do not damage the joints or friction surfaces of aluminum alloy components (such as the cyl-
inder head or pistons).
0311082-162
03UOB2-70 OWOBX-119
CYLINDER HEAD
1, Inspect the cylinder head for damage, cracks, and leakage
of water and oil. Replace the cylinder head if necessary.
2. Measure the cylinder head distortion in the six directions
shown in the figure.
Distortion: O.lOmm (0.004 in) max.
Cautlon
l Before grinding the cylinder head, check the follow-
ing and repair or replace the cylinder head as
necessary.
Sinking of valve seats
Damage of manifold contact surface
Camshaft oil clearances and end play
3. If the cylinder head distortion exceeds specification, grind
the cylinder head surface.
If the cylinder head height is not within specification, replace
it. Height: 133.8-l 34.0mm (5.268-5.276
in)
Grinding: O.lOmm (0.004 in) max.
62-64