Classic Lodestar Large Frame - Limit Switch
| KEY # | PART # | DESCRIPTION | QTY |
| 627-220 | 36656 | Limit Switch Shaft & Gear Kit with Spring Loaded Switch | 1 |
| 36641 | Limit Switch Shaft & Gear Kit without Spring Loaded Switch | 1 | |
| 627-222 | 31636 | Limit Switch Kit | 1 |
| 627-231 | 36644 | Limit Switch Bracket Sub-Assembly | 1 |
| 627-125 | 35031B | Back Frame | 1 |
Hoist Limit Switch
A couple of hoist troubles are caused by a hoist limit switch:
- Hook does not respond to the control station or control device.
- Hook lowers but does not raise.
- Hook raises but does not lower.
- Hook fails to stop at either or both ends of travel.
- Hook stopping point varies.
It is always recommended to refer to CM hoist replacement parts user manual - Classic Lodestar for resolving the issues.
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. 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. The chart below shows the maximum lift of different models with each type of limit switch shaft assembly:
| MODEL | 44 TPI SHAFT MAX LIFT | 56 TPI SHAFT MAX LIFT | 64 TPI SHAFT MAX LIFT |
| L & J | 127' | 162' | 185' |
| LL | 250' | 318' | 363' |
| R | 64' | 81' | 93' |
| RR | 124' | 158' | 181' |
To replace the stock limit switch shaft with a 56 TPI shaft, you will need a 56 TPI Limit Switch Shaft, a Limit Switch Shaft Gear and a 56 TPI Limit Switch Nut. A 64 TPI Limit Switch Shaft is also available and requires a Gear and 64 TPI Nut to complete the assembly.