HD-973P Series Multi-Level Parking Lift 42 P/N 5900076 — Rev. B3 — January 2024
Installing the Air Lines
The Air Lines use air pressure to disengage the Safety Locks in each Post so that you can lower the
Runways. It is your responsibility to supply the air pressure (minimum of 75 PSI).
Installing the Air Lines is the same for both Platforms.
You will need more of the ¼ inch, black, polyethylene Tubing that came with the Lift and three Air Line
Tee Compression Fittings to install the Air Lines on each Platform.
⚠ CAUTION Do not confuse the Air Lines with the Return Line. They use the same Tubing and
similar-looking connectors, but they are used for completely different things; the
two systems cannot be connected to each other.
The Air Line Elbow Connectors on the Crosstube Gussets come installed from the factory.
Drawing not to scale. Some components not shown. Air Lines shown outside Steel Tubes for clarity.
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