Hydraulic Oil Changing Procedure
1. Position liftgate platform open and on the ground.
2. Remove oil from tank:
• SPX dual power units remove the drain plug on the bottom of the tank and drain.
• All other units siphon oil from tank.
3. Fill tank to top with new oil
4. Remove the outside lower 3/8” hose (return line) from the power unit box and hold it in a
container for used oil.
5. While keeping return line inside container press the up toggle switch to run liftgate until it fully
raised. Be sure to watch oil level while raising and add new oil if needed.
6. Continue running the liftgate for 40 seconds when it is fully raised to flush old oil trapped
between the cylinders.
7. Reconnect lower 3/8” hose and fill tank to proper level (Visible in site glass) Power units with
plastic tanks should be filled to 1” from the top.
Platform Raise
(Up)
Hydraulic
Connection
Platform Lower
(Down)
Hydraulic
Connection
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