Perkins 1106D Disassembly And Assembly page 54

54
Disassembly and Assembly Section
a. Inspect the cylinder head for wear and for
damage. Refer to Testing and Adjusting
Manual, "Cylinder Head Inspect".
b. Inspect the valve seats for wear and for
damage. Refer to Specifications Manual,
"Cylinder Head Valves" for further information.
c. Inspect the valve guides for wear and for
damage. Refer to Specifications Manual,
"Cylinder Head Valves" and Testing and
Adjusting Manual, "Valve Guide - Inspect" for
further information.
d. Inspect the valves for wear and for damage.
Refer to Specifications Manual, "Cylinder Head
Valves ".
e. Inspect the valve springs (3) for damage and
for the correct length. Refer to Specifications
Manual, "Cylinder Head Valves ".
Illustration 94
2. Lubricate the stems of the valves (5) with clean
engine oil. Install the valves (5) in the appropriate
positions in the cylinder head. Check the depth of
the valves below the face of the cylinder head.
Refer to Testing and Adjusting Manual, "Valve
Depth - Inspect" for more information.
3. Use a suitable lifting device to carefully turn over
the cylinder head. The weight of the cylinder head
is approximately 65 kg (143 lb).
Note: Ensure that all of the valves remain in place.
4. Install new valve stem seals (4) onto each of the
valve guides.
Note: The outer face of the valve guides must be
clean and dry before installing the valve stem seals
(4).
5. Install the valve spring (3) onto the cylinder head.
Position the valve spring retainer (2) on the valve
spring (3).
Personal injury can result from being struck by
parts propelled by a released spring force.
Make sure to wear all necessary protective equip-
ment.
Follow the recommended procedure and use all
recommended tooling to release the spring force.
Illustration 95
g01162650
6. Install Tooling (A) in the appropriate position on
the cylinder head in order to compress the valve
spring (3).
Ensure that the valve spring is compressed squarely
or damage to the valve stem may occur.
7. Apply sufficient pressure to Tooling (A) in order to
install the valve keepers (1).
Note: Do not compress the spring so that the valve
spring retainer (2) touches the valve stem seal (4).
SENR9983
g01162648
NOTICE