Instruction Manual
SPES3502AR Electric PU - V1.0
www.durapac.com
Page 7 of 12
6.1.2
With the power unit in its upright position (as shown below), remove the oil
plug located on the top plate of the reservoir.
Fig. 1 – Upright Position
6.1.3
Use a small funnel to fill with oil until reservoir is full.
6.1.4
Bleed air from system if necessary.
6.1.5
Wipe up any spilled fluid and reinstall the oil plug.
6.2
Bleeding Air from the System
6.2.1
Repeat Steps 6.1.1 to 6.1.3 (above), if required.
6.2.2
Ensure oil plug is closed.
6.2.3
Ensure the power unit is in its upright position (as shown above),invert
cylinder and place at a lower level than the power unit reservoir.
6.2.4
Using the pendant, extend and retract the cylinder several times without
putting a load on the system. Air should be released from the system.
6.2.5
If oil still cannot be delivered to develop pressure, place the power unit
horizontally (as shown below) and push the rubber lining through the 8mm
diameter hole on the tank cover end with a round ended rod (30mm or less),,
ensuring that damage is not done to the liner. Using the pendant, extend and
retract the cylinder several times.
Fig. 2 – Second Stage Air Removal
6.2.6
Recheck oil level after removing air.
6.3
Changing Hydraulic Fluid
For best results, change fluid once a year or every 300 hours of use
6.3.1
Repeat Steps 6.1.1 to 6.1.2 (above).
6.3.2
Pour used fluid into a sealable container.
6.3.3
Repeat Steps 6.1.3 to 6.1.5 (above).