Crown Potentiometer for Electric Trucks
CR 121375
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Compatibility
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Product Description
Crown OEM potentiometer CR 121375 is an electric lift truck control component, designed for use in the drive, brake, and steering systems of Crown industrial electric trucks. Features include 21 kΩ resistance, 3-pin connection, stainless steel shaft, and panel mount configuration for precise operator control.
Specifications
Part Numbers & Compatibility
| Make | Crown |
| Model | RR3000, RC3000 |
| Part Number | CR 121375 |
| Manufacturer Part Number | CR 121375 |
Additional Specifications
| Terminal Type | 3-pin solder lug or quick-connect |
| Housing Material | Injection molded thermoplastic |
| Shaft Material | Stainless steel |
| Contact Material | Conductive polymer film |
| Resistance | 21 kO |
| Configuration | Panel mount |
Frequently Asked Questions
Q: What is the CR 121375 and what does it do?
A: The CR 121375 is a replacement potentiometer used in Crown electric lift trucks. It serves as a variable resistor control component within the drive, brake, and steering systems to provide precise operator input. The potentiometer converts mechanical movement from the control handle or pedal into proportional electrical signals that regulate motor power and vehicle dynamics.
Q: Which Crown truck models is the CR 121375 compatible with?
A: The CR 121375 is compatible with Crown RR3000 and RC3000 models. Verify your specific truck model, control panel layout, and electrical schematic to confirm this part fits your equipment.
Q: What materials is the CR 121375 made from?
A: The CR 121375 features a stainless steel shaft for corrosion resistance and durability. The housing is made from injection-molded thermoplastic, ensuring long-lasting performance in industrial environments.
Q: What are the terminal and connection options for the CR 121375?
A: The CR 121375 has a 3-pin terminal configuration available in both solder lug and quick-connect options. This allows for secure and flexible installation within the truck's control system.
Q: What are common signs of CR 121375 failure?
A: Common signs of CR 121375 failure include jerky acceleration, inconsistent brake response, steering lag, loss of smooth proportional control, or complete loss of drive function. Contact corrosion from moisture can also cause intermittent electrical connection issues.
Q: How do I replace the CR 121375?
A: To replace the CR 121375, locate it within the drive, brake, or steering control system of your Crown electric lift truck. Disconnect the electrical connections and remove the old part before installing the new one, ensuring proper alignment and secure mounting.