CR 105561

Frequently Asked Questions

Q: What is CR 105561 and what does it do?
A: CR 105561 is a Crown OEM brush assembly designed for electric lift truck motors and hydraulic pump components. The brushes transfer electrical current to the motor commutator, enabling motor operation and torque delivery.

Q: How many brushes are included in CR 105561?
A: CR 105561 is supplied as a set of 8 individual brushes, providing complete coverage for motor brush holders requiring multiple contact points.

Q: What are the dimensions of each brush in CR 105561?
A: Each brush in the CR 105561 set measures 1.5 inches in length, 1.247 inches in width, and 0.628 inches in thickness. Verify these dimensions match your motor brush holders before ordering.

Q: Which Crown electric lift truck models use CR 105561 brushes?
A: CR 105561 is designed for specified Crown electric lift trucks with brush-type DC motors. Check your equipment model number against Crown documentation to confirm compatibility with this brush assembly.

Q: What symptoms indicate CR 105561 brushes need replacement?
A: Worn brushes cause reduced motor power, slow acceleration, arcing at brush holders, commutator pitting, or complete motor failure. If motor performance declines or brushes are visibly worn below half their original length, replacement is required.

Q: What is the lifespan of CR 105561 brushes in normal operation?
A: Brush life depends on motor run time, load, and duty cycle. In typical electric lift truck service, brushes last hundreds to thousands of operating hours. Inspect brushes regularly and replace the entire CR 105561 set when wear becomes evident.