GrandPrix (GP-7 Series) Two-Post Lifts 43 P/N 5900209 — August 2018 — Rev. C2
8. Verify the operation of the Arm restraints by pulling up on the Key Ring of the Arm Restraint Pin.
Pivot the arms back and forth and test the operation of the Arm Restraint Pin in various positions.
Make sure the Lift Arms do not move when a force of approximately 100 pounds or less is applied
laterally to the fully extended arms.
9. Adjust the Gear Ring on each arm as necessary to ensure smooth operation and solid
engagement of all four Arm Restraint Pin Assemblies with the Arm Restraint Gear Ring.
⚠ WARNING Each arm restraint assembly must be inspected and adjusted before you use the lift
each and every time. Do not operate the lift if any of the four arm restraint systems
are not functioning properly. Replace any broken components or components with
broken teeth with authorized replacement parts only.
Final Leveling
Before operating your lift, you need to make sure that both the lift posts and the lift arms are level:
• Lift posts: The posts
must
be the same distance apart at the top and at the bottom.
To make sure the posts are level, measure the distance between the two posts six inches below
the Top Trough and one foot off the ground (you will need to move the lift arms out of the way).
The two measurements (A and B in the drawing below) must be the same.
If the posts are not level, shim them as required.
• Lift arms: When the lift posts are level, make sure the lift arms are level as well. To make sure
they are level, raise them to the first locking position and put a level on the pads.
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