Operation
4104−1/A1
Winterthur Gas & Diesel Ltd.
1/ 3
Supply Unit Drive
1. General
The drive supply unit is installed at the driving end of the engine.
The crankshaft gear wheel (4, Fig. 1 and Fig. 2) moves the intermediate wheels (2)
and (5). These intermediate wheels move the drive wheel (6) of the fuel pump unit
and drive wheel (1) of the servo pump unit.
The condition of the tooth profile must have regular checks. New gear wheels must
have frequent checks after a short running-in period (see the Maintenance Manual
4103−1).
If unusual noises are heard from the area of the gear train, the cause must be found
immediately.
EXHAUST SIDE
FUEL SIDE
WCH01171
3
2
1
6
5
4
Fig. 1: View of Supply Unit Drive (6-cylinders to 8-cylinders)
1 Drive wheel (servo pump unit) 4 Crankshaft gear wheel
2 Intermediate wheel 5 Intermediate wheel
3 Column 6 Drive wheel (fuel pump unit)
2014-09
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