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HD-7P / HD-7W Four-Post Lifts 70 P/N 5900041 — Rev. M — July 2019
Using the Controls
The Controls for the Lift include:
• Up button. Press and hold to raise the Runways. Located near the top of the Power Unit.
To put Runways onto a Safety Lock position : Raise the Runways a little above where you
want them, then press and hold the Lowering Handle to back the Runways down onto the Safety
Locks (do not press and hold the pushbutton on the Pushbutton Air Valve). When the Runways
stop going down, they are engaged on a Safety Lock.
Before leaving the Lift, make sure all four corners are engaged on Safety Locks at the same height.
• Lowering Handle. Press and hold to lower the Runways. Located in the middle of the Power
Unit, the Lowering Handle is long and has a ball at the end.
To lower raised Runways down to the ground : press and hold the pushbutton on the
Pushbutton Air Valve first, then
press and hold the Lowering Handle.
Watch the Runways as they go down to make sure they are coming down evenly. If they are not,
stop lowering the Lift and troubleshoot the problem.
⚠ WARNING Only leave your Lift either engaged on Safety Locks or fully lowered.
• Pushbutton Air Valve. Press and hold as part of the process to lower the Runways. Located
on one side or the other of the Power Unit (depending on where it was installed). Pressing and
holding the pushbutton on the Pushbutton Air Valve disengages the Safety Locks, which is needed
to lower the Runways.
To raise Runways and
engage them on Safety
Locks:
1. Press and hold Up Button.
2. When just past desired
height, release Up Button.
3. Press and hold Lowering
Handle.
4. Runways stop going down
when engaged on Safety
Locks; release Lowering
Handle when they stop.
Do
not
press and hold
Pushbutton.
5. Make sure all four Posts are
engaged at same height.
To lower Runways:
1. Press and hold Up Button
for a couple of seconds; this
moves Lift off Safety Locks.
2. Press and
hold
Pushbutton.
3. Press and
hold Lowering
Handle.
Runways begin lowering.
4. When Runways are fully
lowered (on ground), release
Pushbutton and Lowering
Handle.