9.
CHECKS
AND
CORRECTIONS
After disassembling and cleaning the engine, check and repair, if necessary, according to
the correction table. The correction table applies whenever the engines are repaired.
It is important for the servicemen to
be
familiar with the contents
of
this table.
Correct maintenance is recornrnendk
by
observing the correction standards specified.
The meanings
of
the terms used in the correction table are as follows
:
(1
1
CORRECTION
Repair, adjustment
or
replacement of any engine parts.
(2
1
CORRECTION LIMIT
The limit on wear, damage
or
functional deterioration of engine parts beyond which
normal engine performance cannot be expected without repairing such parts.
(3)
USE
LIMIT
The limit beyond which parts can
no
longer
be
used
in respect of performance
or
strength.
(4)
STANDARD DIMENSIONS
The design dimensions of new parts minus tolerance.
(5)
CORRECTION TOLERANCE
Tolerance
on
the dimensions
of
engine parts refinished
or
adjusted.
9-1
SERVICE DATA
Engine
DY23
STD
Limit
ITEM
CYLINDER
HEAD
@
Flatness
I/
0.05
(0.002)
@Valve seat contact width
(@)
eValve
guide
inside
dia.
I
I
I
Unit
:
mm
(in)
DY27
0.05
(0.002)
1.6
2.2
(0.063)
(0.087)
1.6
2.2
(0.063)
(0.087)
5.5-5.518 5.65
(0.21 65-0.21 72) (0.2224)
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58
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