This document applies to ECO Units with serial number below 12160000, where a #5 Counterweight is to be installed / re-installed.


To prevent possible loosening of the handle adjustment cable within the locking piston, after the counterweight
is installed. Also to remedy any issues of the handle locking piston exhibiting any symptoms of insufficient locking piston spring tension (such as the handle falling out of set position, while unit is running).


Watch a video on “How to Install Spacing Washers to an ECO-17 Locking Handle Assembly.”

Use this video only as a supplement to these instructions. Do not rely on the video alone for complete instructions.