How To Change Your Vac Motor Brushes | Kleen-Rite

Tom from Kleen-Rite shows you how to change popular vac motor brushes yourself! Get the best prices on vac motors and other car wash supplies at www.kleen-ritecorp.com!

Procedure for changing carbon brushes:

For Model 116336:
- Disconnect any motor from the power source before
attempting any repair.
- Remove the cooling fan cover.
- Place a standard screw driver at a 45 ºangle on the brush lead
terminal and gently tap the flat-brass terminal out of the
slot between the brush nylon and the brass tube.
- Remove the brush clamp screws with a Phillips screwdriver.
- Re-insert the brush clip between the nylon and the brass of the new brush and push in straight by hand. Use needle nose pliers to
gently seat the clip. For the units with a blade terminal on the
brass sleeve of the brush mechanism, push the connector
on to the terminal.
- Place the replacement brush onto the comm-end bracket,
making certain the positioning post on the bottom of the nylon
is placed in the appropriate slot on the bracket.
- Reassemble the clamp and install the screws.

For Model 119414:
- Disconnect any motor from the power source before
attempting any repair.
- Remove the cooling fan cover.
- Loosen the brush clamp screws enough to disconnect
with the field terminal and remove the old brush.
- Install the new brush making certain the positioning post
on the bottom of the brass is placed in the appropriate
slot on the bracket.
- Tighten the clamp screws and make certain the clamp terminal
is connected to the field terminal. Do not over-tighten!

-Ametek recommends running the motor at half voltage for 30
minutes to properly seat the new brushes to the commutator face.
This will enhance the performance and overall life of the brush. If a
variac or other voltage control device is not available, two motors
may be run in electrical series. Connect one lead from each motor,
using a wire nut. Connect the other two leads to the power source.

- After running the re-brushed motor for 30 minutes at half voltage,
it can be run again at full voltage.

For more information:
http://www.kleen-ritecorp.com/search.aspx?searchterm=vac+motor+brush

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