Chapter 8 - Caterpillar Engine and Related Systems
266
8. Unplug the main connection between the engine
harness and the main harness.
See Figure 8.125.
9. Disconnect the heavy gauge red cable from the
starter using a 12mm wrench.
See Figure 8.126.
9a. Cut the cable ties that hold the engine har-
ness to the frame. Position the harness so
that it will come-out with the engine.
10. Unbolt and remove the exhaust system heat
shield using a 3/8” wrench. See Figure 8.127.
• The heat shield shares mounting bolts with the
bed locators / bump stops.
11. Unbolt and remove the muffler heat shield using
a pair of 1/2” wrenches. See Figure 8.128.
NOTE: The following instructions are written on
the assumption that the engine being removed
will be reinstalled. The procedures include block-
ing-off all exposed ports on the engine to prevent
contamination or damage. If the engine is worn
or damaged beyond feasible repair, it is not nec-
essary to lock-off the ports. It is still a good idea
to block-off the items that connect to those ports.
As an example, if the hose from the air filter is
left open in a dusty shop environment, then a
new engine is installed, the first air it breathes is
likely to be contaminated.
Figure 8.125
Main harness
Engine harness
Figure 8.126
Disconnect
Figure 8.127
Bed locators / bump stops
Heat shields
Figure 8.128
Muffler heat
shield bolts
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