1. Check the cylinder liner flange
Assemble Cylinder Head
heights with relationship to the cylinder
block.
After cleaning and inspection, assemble
t h e cylinder head as follows:
2 . Make sure the piston crowns are clean
and free of foreign material.
1. Coat the threads of the plugs with
Loctite Pipe Sealant with Teflon, then in-
3.
Make
sure
that
each
push
rod
is
stall the necessary plugs and tighten
threaded into its clevis until the end of
Drive
them to the specified torque.
the push rod projects through the
headless plugs flush to 0.0625" below the
This is important since serious
clevis.
surface of the cylinder head. The 3/8"
engine damage will be prevented when
socket head oil gallery plug, at each end
the crankshaft is rotated during engine
of the head, must not protrude more
tune-up.
than 0.0625", and a 0.2187" diameter rod
placed in the vertical oil feed hole must
4. Check the cylinder block and cylinder
pass the inner face of the plug. Refer
head gasket surfaces, counterbores and
to the Cylinder Head Plugging Charts
seal grooves to be sure they are clean
shown as foldouts at the end of this sec-
and free of foreign material. Also check
tion.
to ensure that there are no burrs or
sharp edges in the counterbores.
2. After the following parts are cleaned,
inspected and replaced if necessary, re-
5. Inspect the cylinder head bolt holes in
install them in the old cylinder head or
the block for accumulation of water, oil
transfer them to the new head.
or any foreign material. Clean the bolt
holes thoroughly and check for damaged
A. Exhaust valves, valve seat inserts
threads.
and springs.
6. Check for extruded areas around the
B. C a m f o l l o w e r s , g u i d e s , p u s h r o d s ,
stud holes in the top of the cylinder
springs, retainers, rocker arms,
block, if studs are used. Also check the
shafts,
brackets and other related
studs for damaged threads.
parts.
7. Check the four corner plugs or drive
C . P l a c e new washers on the fuel connec-
pins, used to plug the vertical oil gal-
tors. Then install the connectors and
leries, to ensure that they are flush with
tighten them to 40-45 lb-ft (54-61 Nm)
or below the top surface of the cylinder
torque.
block.
D. T h e f u e l i n j e c t o r s , f u e l p i p e s , i n j e c -
tor control tube assembly and water
manifold can be installed at this time
or after the cylinder head is installed
on the engine.
E. A t t a c h t h e e n g i n e l i f t e r b r a c k e t s t e m -
porarily to the cylinder head, without
gaskets, to permit lifting the head in-
to position. The lifter brackets must
not be permanently attached until the
cylinder head attaching bolts have
been installed and tightened to the
specified torque.
Pre-Installation
Inspection
Make the following inspections just prior
to installing the cylinder head whether
F i g u r e 11B-34. Cylinder Head Seals
t h e head was removed to service only the
and Gaskets
head or to facilitate other repairs to the
engine.
