Acme Nut Whiffle Tree Assembly.
The whiffle tree is the threaded rod mounted in the bottom of the pop up. A drawbar runs up and down the rod, and pulls or releases the lift cables.
Plastic delrin nut / acme screw whiffle tree. Your original Coleman or Fleetwood whiffle tree may have a white plastic nut at the center of the drawbar.
There were two types of whiffle trees used. Ball bearing and plastic delrin nut. This style of plastic nut tree is more commonly found on smaller units.
Measures 23-1/4 inches in total length. One preset stop.
Travel: 17 inches. 1 inch of travel equals 3 inches of lift height.
Installation and Maintenance Tip: Liberally grease the screw with a lithium grease. We recommend Gulf Super Duty grease (part number NLGI-1 or equivalent).
Part number 4749C6731