Product Description
Brush holder
Specifications
Material & Construction
| Material | Phenolic composite with copper electrical contacts |
Part Numbers & Compatibility
| Make | Clark, Crown, Allis Chalmers, Baker, Caterpillar, Raymond, Schreck, Toyota, Yale |
| Model | 1.0RCTF |
| Part Number | 991548 |
| Application | Electric pallet jacks, electric forklifts, reach trucks, order pickers |
Electrical Specifications
| Compatible Voltage | 24V, 36V, 48V DC (universal application) |
Additional Specifications
| Product Type | Electric Motor Brush Holder Assembly |
| Brush Type | Carbon brush compatible |
| Inspection Interval | During routine motor maintenance or brush replacement cycles |
| Key Failure Indicators | Intermittent motor function, stalling, visible arcing, poor electrical contact |
| Field Repair | Not repairable; replace if damaged or cracked |
Frequently Asked Questions
Q: Which electric lift truck brands is the 991548 compatible with?
A: The 991548 is compatible with electric lift trucks from Clark, Crown, Allis Chalmers, Baker, Caterpillar, Raymond, Schreck, Toyota, and Yale. It fits the 1.0RCTF model.
Q: What is the function of the 991548 in electric lift equipment?
A: The 991548 secures and positions the carbon brushes against the commutator inside the electric motor. It ensures proper brush contact for motor performance and electrical conductivity during lift and lower operations.
Q: How should I replace the 991548?
A: When replacing the 991548, ensure the new part is compatible with your equipment. Verify motor specifications and follow manufacturer guidelines for installation.
Q: What are signs that the 991548 may need replacement?
A: Signs of failure include intermittent or weak lift function, motor stalling, poor electrical contact, visible arcing, or complete motor failure. A damaged holder allows brushes to lose contact with the commutator, disabling the motor.
Q: Can the 991548 be repaired or must it be replaced?
A: Brush holders are not repaired in the field. If cracked, stripped, or damaged, the 991548 must be replaced. Worn brush contacts may be cleaned but only if the holder structure is intact and fasteners are secure.
Q: Are there alternative part numbers for the 991548?
A: Check your equipment documentation or motor serial number for equivalent replacement parts. Confirm motor voltage, amperage rating, and brush type match before substituting with alternative parts.