Engine
SHOP MANUAL
Ch 1 page 117
The crankshaft gear drives two intermediate
gears and the oil pump gear. One intermediate
gear drives the camshaft, air compressor and
hydraulic pump. The other intermediate gear
drives the power take-off and on buses it also
drives a hydraulic pump which in turn drives the
fan motor.
Engine with unit injector
1 Oil pump gear
2 Crankshaft gear
3 Intermediate gear
4 Hydraulic pump gear
5 Compressor gear (compressed air)
6 Camshaft gear
7 Power take-off
Timing gear, 13 litre with unit injector
Gear drive
To facilitate assembly the gears have
markings, either on a tooth or in a tooth
gap
Figure 226
Figure 227
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