Autostacker™ Parking Lift 36 P/N 5900002 — Rev. D — August 2019
Test the Autostacker
Before putting your Autostacker into normal operation, we recommend breaking it in by raising and
lowering it a few times. This will help you get a feel for how to operate it and also helps to get any
residual air out of the hydraulic system.
Tip Residual air in the hydraulic system can cause the Autostacker to shake, move
erratically, or squeak; this is normal. If it happens to you, do not worry; it will go
away quickly as the Autostacker is self-bleeding.
Neither the Platform nor the Drive-On Ramp need to be installed to test the lift. You also do not need
weight on the Lift.
Note: The Autostacker lowers a little slower with no weight on it.
To test your Autostacker:
1. Check the area around and above the Autostacker for obstructions.
Move them if you find any.
2. Insert the key and move it to the On position.
3. Press and hold Up.
The Autostacker starts rising.
4. Before reaching the first Safety Lock, release Up.
The Autostacker stops rising.
5. Press and hold Down.
The Autostacker starts lowering.
6. When the Autostacker gets to the ground, it stops lowering; release Down.
7. Wait for one minute.
⚠ WARNING The Autostacker’s Power Unit is not a constant duty motor; it cannot be run
continuously.
8. Repeat the process, this time raising the Autostacker just past the first Safety Lock.
You can tell when the Autostacker passes a Safety Lock: when the Lock Hood goes past a Lock
Block, it hits the base and makes an audible click. Refer to About Safety Locks for more
information.
9. If the Autostacker is working without shaking, moving erratically, or squeaking, there is no need to
repeat the procedure.
If the Autostacker is shaking, moving erratically, or squeaking, repeat the procedure one more
time, raising the Autostacker to the second Safety Lock.
It is normal for the Autostacker to shake, move erratically, or squeak when you first get it. Using it a
few times almost always fixes those issues.
If your Autostacker continues to have problems well past the break-in period, refer to
Troubleshooting for additional information.
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