Refrigeration Systems Trouble Shooting Slide Chart

Description

For sale is one new slide type calculator used for troubleshooting Air Conditioning and Refrigeration Systems.
Both sides of this tool have problems with recommended solutions and the back side has compressor wiring diagrams.  The last photo shows both sides of the tool.  This tool is made of thick durable water resistant paper stock with corner rivets.  It fits easily in your shirt pocket at approximately 7.5 inches high by 3.5 inches wide.  If you have any questions, feel free to ask and I will answer them to the best of my ability.  Large quantities (10 or more) are also available at a discounted price!
I also have charts for
R- 410a
systems, low temp refrigeration and air duct sizing!  Check them out in my ebay store while supplies last!
Instructions for using Slide Chart:
1:  Set blue dot at appropriate problem.
2:  Read probable causes opposite arrows.