Caution:DO NOT use limit switches as routine operating stops. They are emergency devices only
Extended Limit Switch Parts
The parts listed above are for a standard 44 thread per inch limit switch shaft. Using this assembly, Model B & F hoists can achieve a maximum lift of 102 feet, while Model C hoists have a maximum lift of 206 feet. The limit switch assembly can be modified with a 56 thread per inch shaft or a 64 thread per inch shaft to increase the maximum lift.
A 64 TPI Limit Switch Shaft is also available and requires a Gear and 56 TPI Nut to complete the assembly. This assembly increases the maximum lift of Model B & F hoists to 152 feet, and allows Model C hoists a maximum lift of 299 feet.