Operation
5552−1/A1
Winterthur Gas & Diesel Ltd.
1/ 2
Supply Unit
1. General
The supply unit is installed on the column at the driving end (see 4104-1 Supply Unit
Drive).
The supply unit has the servo oil supply, fuel supply, gear wheels and drive wheels.
The components in paragraph 1.1 and paragraph 1.2 are part of, or attached to the
housing.
1.1 Servo Oil Pumps
Two servo oil pumps (not shown) are attached to the front of the supply unit. The
intermediate wheel (2, Fig. 1) operates the servo oil pumps (see 4104-1 Supply Unit
Drive).
For more data about the servo oil pumps, see 5551-1 Servo Oil Pump.
1.2 Fuel Pumps
Three fuel pumps (1) are attached to the supply unit. For more data about the fuel
pumps, see 5556-1, Fuel Pump.
1
2
WCH02232
4
3
Fig. 1: Supply Unit
1 Fuel pump 3 Bedplate
2 Intermediate wheel 4 column
2014
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