Information on operation, adjustment, repairs
and maintenance of Muldoon Positive Rear Steer
System
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B: THE HYDRAULIC SYSTEM INDICATORS
The hydraulic system has three separate indicators as to pressure and quantity of oil in the system
1 : THE PRESSURE GAUGE,
2: THE ACCUMULATOR
3: THE WARNING LIGHT
1: THE PRESSURE GAUGE
The pressure gauge mounted on top of the
accumulator indicates system pressure (see fig 3)

FIG 3
The normal pressure in the system is approximately 6 bar (85psi)
2: THE ACCUMULATOR
The accumulator holds a reserve quantity of hydraulic oil, of approx 1.5 Litres. There is a quantity indicator on the front of the
accumulator. When the indicator is fully IN the
accumulator is FULL
(fig 4a)
When the indicator is fully OUT (approx 3" (75mm) the
accumulator is empty (see fig 4b,and the pressure is at zero.
(See fig 4c).
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