
KENR6932
55
Disassembly and Assembly Section
g01335985
Illustration 93
Typical example
4.
Install Tooling (A) in position on the cylinder head
in order to compress appropriate valve spring (3).
NOTICE
Ensure that the valve spring is compressed squarely
or damage to the valve stem may occur.
5.
Apply suf
fi
cient pressure to Tooling (A) in order to
remove valve keepers (1).
Note:
Do not compress the spring so that valve
spring retainer (2) touches valve stem seal (4).
6.
Slowly release pressure on Tooling (A).
g01335986
Illustration 94
7.
Remove valve spring retainer (2). Remove valve
spring (3).
8.
Repeat steps 4 to 7 for the remaining valves.
9.
Remove Tooling (A).
10.
Remove valve stem seals (4).
11.
Use a suitable lifting device to carefully turn over
the cylinder head.
12.
Remove valves (5).
Installation Procedure
Table 19
Required Tools
Tool
Part Number
Part Description
Qty
21825666
Valve Spring
Compressor
1
27610235
Adapter
1
A
27610295
Head
1
NOTICE
Keep all parts clean from contaminants.
Contaminants may cause rapid wear and shortened
component life.
1.
Clean all components of the cylinder head
assembly. Ensure that all ports, all coolant
passages and all lubrication passages in the
cylinder head are free from debris. Follow Steps
1.a through 1.d in order to inspect the components
of the cylinder head assembly. Replace any
components that are worn or damaged.
a.
Inspect the cylinder head for wear and for
damage. Refer to System Operation, Testing
and Adjusting, “Cylinder Head Inspect”.
b.
Inspect the valve seats for wear and for
damage. Refer to Speci
fi
cations, “Cylinder
Head Valves” for further information.
c.
Inspect the valve guides for wear and for
damage. Refer to Speci
fi
cations, “Cylinder
Head Valves” and System Operation, Testing
and Adjusting, “Valve Guide - Inspect” for
further information.
d.
Inspect the valves for wear and for damage.
Refer to Speci
fi
cations, “Cylinder Head Valves
”.
e.
Inspect valve springs (3) for damage and for
the correct length. Refer to Speci
fi
cations,
“Cylinder Head Valves ”.