Hydraulic Connections For Two-Line Steering Systems
A simple schematic of the pump installation is shown below.
2 Line Steering System Installation
Delivery Lines:
Ports A and B in the diagram above are the input/output ports of the pump and must be
connected to the steering lines coming from the steering cylinder. It does not matter which
pump port is connected to which steering line.
Compensating Line:
In the above diagram Port C is the compensating or bleed line, and must be connected to the
steering system's reservoir. This connection can be made at: a helm pump; remote reservoir (if
there is one); the compensating line connecting two helm pumps; or the compensating line
connecting a helm pump to the remote reservoir. If the connection is being made directly to the
helm pump, ensure that the bleed line is connected to the LOWER helm bleed port.
The compensating line MUST have a gradual rise from the pump, to the connection, to the
steering system. This allows air to rise out of the pump, ensuring a constant supply of oil to the
pump.
INSTALLATION OF SHUT-OFF VALVES RECOMMENDED
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