Perkins 1106D Disassembly And Assembly page 115

SENR9983
NOTICE
Keep all parts clean from contaminants.
Contaminants may cause rapid wear and shortened
component life.
1. Clean the valve bridges. Inspect the valve bridges
for wear or damage. Replace any valve bridges
that are worn or damaged.
Illustration 229
2. Lubricate the valve bridges (4) with clean engine
oil. Install the valve bridges to the cylinder head.
Note: Install used valve bridges in the original
location and in the original orientation. Ensure that the
valve bridges are correctly seated on the valves. New
valve bridges may be installed in either orientation.
3. Clean the pushrods. Inspect the pushrods for
wear or damage. Replace any pushrods that are
worn or damaged.
4. Apply clean engine lubricating oil to both ends
of the pushrods (3). Install the pushrods to the
engine with the cup upward.
Note: Ensure that the pushrods (3) are installed in
the original location and that the ball end of each
pushrod is correctly seated in the valve lifters.
Illustration 230
5. Ensure that the rocker shaft assembly is clean
and free from wear or damage. Install the 12 torx
screws (1) in the rocker shaft.
Illustration 231
6. Position the rocker shaft assembly (2) onto the
cylinder head. The retaining clip (6) should face
the front of the engine.
Note: Ensure that the adjustment screws (5) are
properly seated in the ends of pushrods (3).
7. Gradually tighten the torx screws (1).
Note: To avoid distortion of the rocker shaft assembly
(2), tighten the torx screws in the center first. Work
toward the outside of the rocker shaft assembly.
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Tighten the torx screws (1) to a torque of 35 N·m
(26 lb ft).
Illustration 232
8. Use Tooling (A) in order to check the valve lash.
Refer to Testing and Adjusting Manual, "Engine
Valve Lash - Inspect/Adjust". If necessary, adjust
the valve lash. Refer to Testing and Adjusting
Manual, "Engine Valve Lash - Inspect/Adjust" for
the correct procedure.
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Disassembly and Assembly Section
115
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