(Sheet 2 of 2)
STEERING SYSTEM DESCRIPTION (CONT)
the machine moves. The pump gets its power from the output
transfer gears of the transmission. Its function is to supply oil to
the steering system when there is a failure of the primary pump
The supplemental steering system has two purposes:
or when the engine stops and the machine is still moving. It also
adds oil to the primary oil flow when the engine is turning at less
To give an oil supply for the steering system if there is a failure of the
than 1170 to 1300 rpm and the machine is moving.
primary system or if the engine stops when the machine is moving.
DIVERTER VALVE. Senses the pressure and controls the flow
To add oil to the primary oil flow when the engine rpm is less than
direction of the oil from the primary and supplemental pumps.
1170 to 1300 rpm and the machine is moving.
FLOW SWITCH. Warns the operator of a failure of the primary
SUPPLEMENTAL STEERING PUMP. A ground driven, gear-
pump or lines.
type pump. Ground driven means that the pump turns as long as