Rocker Shaft - Disassemble - Perkins 1106D Disassembly And Assembly

112
Disassembly and Assembly Section
Illustration 223
Illustration 224
1. Progressively loosen the 12 torx screws (1). Begin
at the ends of the rocker shaft assembly and work
toward the center.
Note: To avoid distortion of the rocker shaft assembly
(2), each torx screw should be loosened by half a
turn at one time. Repeat the procedure until all torx
screws are loosened.
2. Remove the 12 torx screws (1) from the rocker
shaft assembly (2).
3. Remove the rocker shaft assembly (2) from the
cylinder head.
4. Place an identification mark on the pushrods (3) in
order to show the location. Remove the pushrods
from the cylinder head.
Note: Identification will ensure that the pushrods
can be reinstalled in the original positions. Do not
interchange the positions of used pushrods.
5. Make a temporary mark on the valve bridges (4)
in order to show the location and the orientation.
Remove the valve bridges from the cylinder head.
Note: Identification will ensure that the valve bridges
can be reinstalled in the original location and the
original orientation. Do not interchange the location
or the orientation of used valve bridges.

Rocker Shaft - Disassemble

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Disassembly Procedure
Start By:
a. Remove the rocker shaft assembly. Refer to
Disassembly and Assembly Manual , "Rocker
Shaft and Pushrod - Remove".
Keep all parts clean from contaminants.
Contaminants may cause rapid wear and shortened
component life.
Personal injury can result from being struck by
parts propelled by a released spring force.
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Make sure to wear all necessary protective equip-
ment.
Follow the recommended procedure and use all
recommended tooling to release the spring force.
1. Make an identification mark on each rocker arm
assembly in order to show the location.
Note: The components must be reinstalled in the
original location. Do not interchange components.
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NOTICE