What do the brushes do in a starter motor?
The function of the brushes is to conduct electricity to the individual segments as they rotate from brush to brush. This allows the motor to turn in one direction at a speed determined by the number of windings in the armature.
How are the brushes attached to a commutator starter?
Release the springs so that they push the brushes down into contact with the commutator. Put the endplate back on to the motor, and reattach it by the two long slot-headed bolts. On face-type commutator starters there are two ways of fastening on the endplate, under which the brush assembly is housed.
Do you have to remove starter motor to replace brush?
Most starter motors have to be removed and partly dismantled (See Stripping the starter motor ) to inspect or replace brushes. However, some have a removable band which lets you check at least two of the brushes with the motor in place. On a few, you can replace brushes with the motor in place, through a hole in the side of the endplate.
What kind of starter brush does O’Reilly use?
Over time, these brushes wear down, and you may notice problems with starting your car. O’Reilly Auto Parts offers a variety of individual starter brushes and packaged brush sets to help get your starter working again. Browse our stock to find the right parts for your vehicle.
What kind of starter brush do I Need?
Your vehicle’s starter motor contains two or four starter brushes made of a copper and carbon alloy. Over time, these brushes wear down, and you may notice problems with starting your car. O’Reilly Auto Parts offers a variety of individual starter brushes and packaged brush sets to help get your starter working again.
Where are the starter brushes located on a motor?
Starter brushes are usually located on or near the motor’s endplate, housed in brush holders. One end slides freely on the commutator, with tension springs pressing the brush block against the commutator. This serves to ensure constant contact between the two components.
What are the different types of starter brushes?
Starter Brush & Lead Assembly, Starter Brushes, Brush Sets, Brush Holder Plate Assemblies. Have a Brush Measurement to match instead of application?
How do you replace a commutator starter brush?
The metal of face-type commutator segments is very thin, so take care even moderate wear or pitting calls for replacement. Cut the old lead off short, leaving a tag. Two of the brushes come already fixed to a terminal post, so are easily replaced. The others are welded. Cut the leads off short at the brush end, leaving a i in. (10mm) tag.
Over time, these brushes wear down, and you may notice problems with starting your car. O’Reilly Auto Parts offers a variety of individual starter brushes and packaged brush sets to help get your starter working again. Browse our stock to find the right parts for your vehicle.