Acme Nut Whiffle Tree 5661
The whiffle tree is the threaded rod mounted in the bottom of the pop up. A draw bar runs up and down the rod, and pulls or release 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 draw bar.
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.
This particular whiffle tree is commonly found on pop ups that do not use a crank assembly. The crank handle accepts directly to the this tree via a drive hub handle pin.
- 1968 to 1993 Pioneer series without ratchet.
- 1990 to 1993 Destiny series without ratchet or clutch crank assembly.
Measures 28-3/4 inches in total length.
21-1/4 inches between the pre set stops. This stop measurement is found from the inside of each stop.
Travel: 1 inch of travel equals 3 inches of lift height.
Installation and Maintenance Tip : Liberally grease the screw with a lithium grease. Here is a link to a do it yourself maintenance video.
On certain Destiny series units built in the early 1990's with channel style whiffle tree covers it may be necessary to grind 1/8 off an inch off each side of the draw bar to fit into the pan cover. Measure the inside of your pan cover and the drawbar prior to installation. Here is an example of this style of pan cover.
Part number 4737C5661