TIMING, GEAR TRAIN & FRONT COVER
Figure 4A. - Crankcase Front Cover - Engines Equipped
with Robert Bosch Model MW Fuel Injection Pump
Lube oil pump
Injection pump drive gear cover
Injection pump gear (with gear cover
Passages for coolant, water and lube oil, are cast into
the front cover. The water inlet to the crankcase and the
unfiltered oil passageway to the oil cooler align with holes
in the front cover. Machined surfaces are provided for
mounting the pumps.
The water pump cone is machined and acts as the
"back" plate for the water pump. The water pump, oil
pump and injection pump can be removed without
disturbing the front cover. This applies whether the
engine is equipped with a "full" front cover as shown in
Fig. 5, or with an "earless" front cover as shown in Fig.
6. The front cover used is dependent on the application.
Figure 5. - "Full" Front Cover
Figure 6. - "Earless" Front Cover
A common gasket is used for both the "Full" & "Earless"
front covers, however, installation instructions must be
followed to prevent improper gasket installation and
Installation of this section).
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