Replacing The Motor Brushes (Electric Motor) - Titan SPEEFLO PowrTwin 4900 Plus Notice D'utilisation

Replacing the Motor Brushes (electric motor)

Perform this procedure using Motor Brush Kit P/N 978-050. The
kit consists of two brushes, two springs, and two clips.
NOTE: Brushes should be replaced when they are worn
to less than 1/2 inch. check and replace both
brushes at the same time.
1. Remove both inspection covers on the motor.
Inspection
Cover
2. Push in the spring clip to unhook it, then pull it out..
Terminal Screw
3. Loosen the terminal screw. Pull the brush lead away, but
leave the motor lead in place. Remove the brush and
spring.
4. Inspect the commutator for burning, excessive pitting or
gouging. A black color on the commutator is normal.
Commutator
5. Install the new brush so its lead slides in the long slot of
the brush holder. Push the terminal under the terminal
screw washer. Ensure the motor lead is still connected at
the screw. Tighten the screw.
Terminal Screw
Brush Holder
6. Place the spring on the brush as shown above. Push in
and hook the spring clip. Repeat this procedure for the
other side.
7. Reinstall both inspection covers.
English
Brush Lead
Spring Clip
Brush
Spring
Spring Clip
If electric motor overloads and stops running,
IMMEDIaTELY turn the motor off and follow the
Pressure Relief Procedure in the cleanup section
of this manual. Wait until the motor cools
(approximately 30 minutes). Then push in the
bubble top, manual reset button, turn the motor on
and pressurize the system.
For cSa approved sprayers only: The ON/OFF switch is
also the RESET!
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