CYLINDER HEAD AND VALVES
(Cont'd)
Disassembly And Assembly
(Cont'd)
Check the cylinder head temperature. It must be 450°F
(250°C).
Use a punch and hammer to install new guides
[A).
NOTE: The
snap
ring on the
guide
must
contact
the
head
to
be installed correctly.
A
Install a new valve seat in the bore and tap into position B
[B). Use tool
(PIN
003-3409 available from your local
Deutz dealer).
NOTE: Never
use
too
much
force
when
installing
valve
guides
and
valve seats.
The
cylinder
head
must
be heated
to
the
correct
temperature and there
must
not
be
any
debris
(burrs).
Measure the valve springs for correct length [C). (See
Section
SA
for SPECIFICATIONS.)
Apply lubricant (oil)
to the valve stems and install the
valve stems. Install the spring caps, springs and retainer
with a spring compressor
[0].
Revised Nov. 96
-7A-19-
B-13366
741, 742, 743, 743DS
Bobcat
Loader
Service
Manual
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