ENGINE SERVICE
See
Section
8A
for the SPECIFICATIONS.
To
check compression install compression tester
in
the
injector opening [A). Turn the engine four revolutions or
until highest reading
is
obtained. Compression must
be
340-412
PSI
(23,5-28,5 bar).
Install a new bearing
in
the air blower each time the
engine
is
overhauled.
Special bolts are used
in
many locations of the engine.
These
bolts are first tightened to 22 ft.-Ibs. (30 Nm)
torque.
To
correct torque. (See SPECIFICA TlONS
Section.)
When
overhauling
an
engine always install new gasket,
O-rings and seals.
Install the correct number of shims on each cylinder
during assembly [B).
Engine Removal
To
remove the engine use the following procedure:
Disconnect the negative battery
cable first. Then
disconnect the positive battery cable.
Disconnect the ground wire from the frame.
Disconnect the wires from the solenoid
[Cl.
Remove the grill (0).
-7A-12-
741, 742, 743,
7430S
Bobcat
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