Pump Overview - Fayat Group BOMAG BW 900-50 Service Manual

7.2

7.2 Pump overview

The travel pump is directly driven by the crankshaft of the engine via an elastic coupling, the pump speed is
therefore identical with the engine speed.
The steering/charge/vibration pump is a directly driven gear pump, which is connected with the travel pump via
a coupling. The pump speed is identical with the engine speed.
Fig. 1 Pump assembly
POS Designation
1 Travel pump
2 Steering/charge/vibration pump
3 Elastic coupling
4 Petrol engine
66
POS Designation
A Work output, travel pump forward
B Work output, travel pump reverse
S Pressure port for charge circuit
IN Suction side steering/charge/vibration pump
OUT Pressure side steering/charge/vibration pump
M Pressure test port, pressure A
A
M Pressure test port, pressure B
B
T Leak oil port
1
BOMAG
Pump overview
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