Product Brochure
Table Of Contents
- HD-7P and HD-7W Manual
- Table of Contents
- Introduction
- Shipping Information
- Safety Considerations
- Components
- Specifications
- Frequently Asked Questions
- Installation Checklist
- Installation
- Being Safe
- Tools
- Planning for Electrical Work
- Selecting an Approach Direction
- Selecting a Power Post Location
- Checking Clearances
- Selecting a Location
- Unloading and Unpacking
- Creating Chalk Line Guides
- Moving the Posts into Position
- Installing the Crosstubes
- About Safety Locks
- Installing the Ladders and Top Cap
- Raising the Crosstubes
- Securing the Ladders
- Removing Sheaves
- Installing the Runways
- Installing the First End of the Flex Tube
- Routing the Lifting Cables
- Working with Compression Fittings and Tubing
- Installing the Air Lines
- Installing the Hydraulic Hose
- Installing the Return Line
- Installing the Power Unit
- Filling the Hydraulic Fluid Reservoir
- Installing the Second End of the Flex Tube
- Installing the Pushbutton Air Valve
- Connecting the Return Line
- Connecting the Hydraulic Hose
- Contacting the Electrician
- Connecting to a Power Source
- Installing a Power Disconnect Switch
- Installing a Thermal Disconnect Switch
- About Effective Embedment
- Anchoring the Posts
- Final Leveling
- Installing Accessories
- Lubricating the Lift
- Performing an Operational Test
- Reviewing the Final Checklist
- Operation
- Maintenance
- Troubleshooting
- Wiring Diagrams
- Labels
- Parts Drawings
- Automotive Lift Institute (ALI) Store
- Maintenance Log
HD-7P / HD-7W Four-Post Lifts 52 P/N 5900041 — Rev. M — July 2019
The following drawing shows the Pushbutton Air Valve and its connections.
4. Connect the Air Line Compression Elbow Fitting and the Straight Expander Fitting to the
appropriate locations on the Pushbutton Air Valve.
The elbow fitting connects to the opening labelled CYL. The straight fitting to the opening labelled
IN. See the drawing above.
5. Attach the Air Line (coming out of the Flex Tube) to the compression fitting on the elbow fitting and
the customer-supplied air to the straight fitting.
Important: The Return Line also comes out of the Flex Tube and is the same kind of tubing as
the Air Line.
Do not attach the Return Line to the Pushbutton Air Valve
by mistake
. Double check to make sure you are attaching the Air Line to the
Pushbutton Air Valve.
For the customer-supplied air pressure, 3 to 25 cfm at 50 to 150 psi is required.










