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CYLINDER HEAD / VALVES
:
'
DISASSEMBLY
Remove the following :
-
Cylinder head ( page 10
-
14 )
-
Spark plug ( page 3
-
6 )
-
Injector (
page 7
-
18 )
-
Camshaft ( page
10
-
12 )
Loosen the insulator band screws (
1
] and remove the
insulator [ 2 ] .
Remove the valve spring cotters using the
special tool
as shown
.
TOOL
:
Valve spring compressor
07757 - 0010000
• To prevent loss of
tension , do
not
compress the
valve springs more than necessary to remove the
cotters
.
'
V
,
H
Remove the following :
-
Spring
retainer [
1
]
-
Valve spring [ 2 ]
-
Valve [ 3 ]
-
Stem
seal [ 4 ]
-
Valve spring seat [ 5 ]
•
Mark all parts during disassembly so they can be
placed back in their original locations
.
m
-
m
[ 5 ]
[ 3 ]
[ 2 ]
m
[ 4 ]
INSPECTION
Inspect the following parts for damage
,
abnormal wear
,
deformation
,
burning or clogs in oil passages
.
-
Cylinder head
-
Inner / outer valve springs
-
Valve guides
Measure each part and clearance according to
CYLINDER HEAD /VALVES SPECIFICATIONS
( page 1
-
8 )
.
Replace any part if it is out of service limit
.
• Ream the
valve guide using the valve guide reamer
to remove any
carbon build up
before measuring the
guide ( page 10
-
18 )
.
• Refer to
valve seat inspection ( page 10
-
18 )
.
10
- 17
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Troubleshooting
