15 - Engine
42 - Rocker and Fittings
00 - General
15 - 162 9823/0000-1 15 - 162
Remove
1. Remove the rocker shaft fixing bolts. DO NOT
withdraw the bolts. Lift the rocker shaft assembly
from the cylinder head complete with pedestals
still attached. Important: Keep all pedestals and
fixing bolts in their original positions.
2. Lift off the bridge pieces from the pairs of inlet
and exhaust valves.
3. Withdraw the push rods from the cylinder block.
Before Installation
1. Make sure that all items are clean and free from
damage and corrosion. Refer to Check Condition
(PIL 15-42).
2. Make sure that all oil-ways and cross drillings in
the cylinder head, rocker shaft and pedestals are
clear and free from debris. Use an air line to blow
through the cross drillings.
Install
1. The installation procedure is the opposite of the
removal procedure. Additionally do the following
steps.
2. Use a suitable degreasing agent to clean the top
of the cylinder head.
3. Install the bridge pieces on to the pairs of inlet
and exhaust valves in the cylinder head.
4. Insert the push rods into the cylinder block. Make
sure that they engage with the camshaft tappets.
5. Install the rocker shaft assembly into the cylinder
head. Make sure that the pedestals are located in
their original positions. Note the position of the oil
feed pedestal and the longer bolt. Make sure that
the push rods engage with the tappet adjusters
and that the rockers are located over the bridge
pieces.
6. Tighten the bolts to the correct torque value.
After Installation
1. Measure and adjust the valve clearances, refer
to (PIL 15-30).
Table 60. Torque Values
Item Nm
2 24
3 24
To Next Page
Loading...
Need help?
General
