Table of Contents
Advertisement
CYLINDER HEAD -Inspection-
T (Margin
thickness)
Pi,
D
i d
l
L - - -
S E M 1 8 8 A
S E M 2 8 8 A
S E M 7 6 2 A
VALVE DIMENSIONS
Check dimensions in each valve. For dimensions, refer to S.D.S.
When valve head has been worn down to
0.5
mm
(0.020
in) in
margin thickness, replace the valve.
Grinding allowance for valve stem tip is
0.2
mm
(0.008
in) or
less.
VALVE SPRING SQUARENESS
Out of square:
Outer
Less than
2.2
mm
(0.087
in)
Inner
Less than
l .9
mm
(0.075
in)
VALVE SPRING PRESSURE LOAD
Refer to S.D.S.
ROCKER SHAFT AND ROCKER ARM
1. Check rocker shafts and rocker arms for scratches, seizure
and wear.
2. Check outer diameter of rocker shaft.
Diameter mm (in):
19.979 - 20.000 (0.7866
-
0.7874)
3. Check inner diameter of rocker arm.
Diameter mm (in):
20.007 - 20.028 (0.7877
-
0.7885)
Rocker arm to shaft clearance:
0.007 - 0.049 (0.0003
-
0.0019)
Advertisement
Chapters
Table of Contents
