HD-973P Series Multi-Level Parking Lift 54 P/N 5900076 — Rev. B3 — January 2024
Installing the Flex Tubes
Each Platform has its own Flex Tube; the Flex Tube is a flexible, black tube that attaches to a hole on
the Powerside Runway on one end and to the bottom of the Flex Tube Bracket.
Your Lift comes with two Flex Tube kits, one longer (Upper Platform) and one shorter (Lower Platform).
You must cut the tubes to length as described below.
The Flex Tube consolidates and protects four different cables that come out from under the Powerside
Runway. These cables are:
• Return Line. A thin, black tube that returns extra Hydraulic Fluid to the Hydraulic Fluid Reservoir.
• Air Line. Also, a thin, black tube, the Air Line provides air pressure that is used to disengage the
Safety Locks so that the Runways can be lowered.
• Hydraulic Hose. A heavy, black cable that routes Hydraulic Fluid from the Power Unit to the
Hydraulic Cylinder.
• Microswitch Cable (Upper Platform only). A thin cable that connects to a Microswitch
underneath the Upper Platform.
To install the Flex Tubes to the Powerside Runways:
Measure, mark, then cut the flex tubes to the correct length. You will need two tubes. One tube for
the Lower Platform 55.1 in. / 1400 mm long and one tube for the upper Platform 96 in. / 2440 mm
long. All cuts ±1 in. / 25 mm)
Pick the top Platform to begin with. Unscrew the
Plastic Nut from one end of a tube connector and
install in the Top Powerside Platform opening near
the power unit.
⚠ CAUTION Do not use the Shorter Flex Tube
for the Upper Platform; it will not
be long enough to reach the
Power Unit when the Platform is
raised.
Install one end of the long Flex Tube into the
connector and let the other end hang loosely.
Install the other end of the Long Flex Tube into a
plastic connector.
Install the tube connector into the angle plate.
Remove the plastic nut and insert the threads
through the hole on the Flex Tube Angle Plate,
making sure to orient the Flex Tube as shown in
the figure to the right.
Screw the Plastic Nut back onto the Threads and
tighten.
Once in place, push the Hydraulic Hose, Return
Line, and Air Line through the Flex Tube.
Repeat Steps 1
through 7 for the
other Platform using
the short Flex Tube.
Figure details Flex Tubes attached to the
Power Post Angle Plate. Not drawn to scale.
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