Providing the toughest and safest gear since 1979
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 |
A couple of hoist troubles are caused by a hoist limit switch:
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
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.
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