Filling and venting of the hydraulic system, Filling and venting of hydraulic actuating system, Maintenance – Flowserve HV 205 User Manual
Page 27
27
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Filling and venting of the hydraulic system
To fill the whole hydraulic system of the loading system carry out the following two steps:
1.
Filling the hydraulic actuator system
Sequence: Both sides separately one after the other.
2.
Filling the hydraulic indicating system
Sequence:
1. Liquid phase
2. Gas phase
The hydraulic system has to be filled after installing the loading system or when
maintenance work or repairs have been carried out.
Filling and venting of hydraulic actuating system
Depressurise system before filling the hydraulic system.
Drawings see pages 4 and 26
1.
Loosen the tension rope
. The ball valve
of the control unit
opens the hydraulic
system automatically.
2.
Unscrew the red plug
and the dip stick of the oil filling connection of the hydraulic
hand pump
and fill the oil in the reservoir.
3.
Pull the tension rope
so that the ball valve
of the control unit
will close.
4.
Operate the hydraulic hand pump
until the resistance first increases perceptibly,
the pressure limiting valve responses audibly and then there is a distinct pressure
relief. Then carry out 20 to 30 strokes with the pump lever
of the hydraulic hand
pump
in order to discharge the air in the hydraulic system via the pressure-limiting
valve.
5.
Use the oil dip stick
in the cover to check the oil level. If necessary refill oil and
screw in plug
of oil filling connection with a torque of 20Nm.
6.
Finally loosen the tension rope
in order to re-open the hydraulic system.
Repeat the whole procedure with the second hydraulic hand pump
.
Attention
Use only oils that are recommended by the manufacturer. Recommended
oils are ESSO Zerice 22, ARAL Vitamol 4004 or other oils with similar
properties.
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35
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