Disassembly and assembly

Illustration 244 g02942879
2. Lubricate the bore of rocker arm assemblies (2) for
the inlet valve with clean engine oil.
3. Lubricate the bore of rocker arm assemblies (3) for
the exhaust valve with clean engine oil.
4. Lubricate rocker shaft (5) with clean engine oil.
5. Install rocker shaft (5) into rocker shaft housing (4).
Hole (X) must be in the upper most position in
order for grub screw (1) to secure rocker shaft (5)
in the correct position.
6. Install rocker arm assembly (2) for number 1 inlet
valve to the rocker shaft. Install rocker arm
assembly (3) for number 1 exhaust valve to rocker
shaft (5).
Note: The rocker arm assembly for the inlet valve is
shorter than the rocker arm assembly for the exhaust
valve. Used components should be installed in the
original location.
7. Repeat Step 6 in order to assemble the remaining
components to rocker shaft (5).
8. Install new grub screw (1) to rocker shaft housing
(4). Tighten the grub screw to a torque of 15 N·m
(133 lb in)
Note: Ensure that Hole (X) is in the upper most
position.
End By:
a. Install the rocker shaft assembly. Refer to
Disassembly and Assembly, “Rocker Shaft and
Pushrod - Install” for the correct procedure.
i05275374
Rocker Shaft and Pushrod -
Install
Installation Procedure
Table 49
Required Tools
Tool Part Number
Part Description Qty
A
T400086
Timing Pin (Crankshaft)
1
NOTICE
Keep all parts clean from contaminants.
Contaminants may cause rapid wear and shortened
component life.
1. Ensure that all components are clean and free
from damage. If necessary, replace any
components that are worn or damaged.
2. If Tooling (A) is not installed, install Tooling (A).
Refer to Disassembly and Assembly, “Rocker
Shaft and Pushrod - Remove” for the correct
procedure.
UENR0624-03 135
Disassembly and Assembly Section
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