CYLINDER HEAD AND VALVES (Cont'd)
Disassembly And
Assembly
(Cont'd)
Remove the rocker arms from the bracket and check
them for wear.
Install new bushings
if
needed
[A]
.
NOTE: The
oil
holes
in
the
rocker
arm and the
busing
must
be aligned.
Checking Piston Crown Clearance
Position lead wire to solder, approximate diameter .060
inch across the piston as shown [B].
I
IMPORTANT
Use grease
to
hold
the
solder
in
position. The
piston
must
be below TOC.
1-2134-0697
Cylinder Head Installation
Put
he
cylinder head on the engine cylinder and install the C
head bolts with the washers.
Tighten
bolts to 22
ft
.
-Ibs
. (30 Nm) torque. Tighten all the
head
bolts to 30° with a degree scale tool (PIN 003-0500
available
from you local Deutz dealer). Turn the engine
one
complete revolution (360°) [C).
Remove the
cylinder head bolts and the cylinder head.
Mark the
cylinder heads to their cylinders.
Remove the lead wire and measure the thinnest points.
If clearance
is
not within specifications add or remove
shims between
cylinder and crankcase. (See Piston
Crown Clearance.)
NOTE: When installing head
use
this
method
to
get
correct clearance.
If
there
is
not enough clearance remove the cylinder and
put the needed number of shims
below the liner.
If
there
is
too much clearance remove the cylinder and
remove the correct number of shims.
Use
a thick shim instead of several thin ones.
Before
installing the cylinder heads measure the cylinder
head bolts for correct length. (See
ENGINE
SPECIFICA TlONS.)
Hold a straight edge across the top of the heads
(0).
Move the
cy\.inder
heads until the two cylinder heads are
in
alignment.
Revised Nov. 96
-7A-2~
741,742,743,
7430S Bobcat Loader
Service Manual
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