P-9000LT/F Low-Rise Pit Lift 34 P/N 5900022 — Rev. B — Nov. 2019
Connect the Return Line
The Return Line takes extra Hydraulic Fluid from the Hydraulic Cylinders and returns it to the Power
Unit’s Hydraulic Fluid Reservoir; it also allows air to move in and out of the Hydraulic Cylinders.
One end of the Return Line connects to the Power Unit. There are two other ends; they attach to
Return Line connectors, which are near the top of each Hydraulic Cylinder.
Create the Return Line using the ¼ inch black plastic Tubing that came with the Lift; you need to cut it
into sections of the appropriate length.
Important: The Air Line and the Return Line use the same ¼ inch, black, polyethylene Tubing. Be
sure not to confuse the two; the Air Line and the Return Line do completely different
things and
must
be kept separate from each other.
The following drawing shows how the Return Line can be arranged.
Tip You can use zip ties (also called cable ties, not supplied) to hold the Return Line in
place once the Return Line sections are connected.
To connect the Return Line:
1. Attach an Elbow Compression Fitting to one of the two Return Line connectors on the Power Unit.
There are two Return Line connectors on the Power Unit; they work the same, so choose the one
that is best for you.
You only need to use one, not both
.
2. Attach a Straight Compression Fitting to both Return Line Connectors near the top of each
Hydraulic Cylinder.
3. Locate a Tee Compression Fitting and put it near the bottom of the Hydraulic Cylinder closest to
the Console.
4. Locate the Return Line Tubing.
5. Cut Tubing sections of the appropriate length for each of the three Return Line segments.
6. Connect the three Tubing sections between the Fittings.
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