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Adjusting Gear Mesh
Incorrect gear mesh is the most
common cause of stripped spur gears.
To set the gear mesh, cut a narrow strip
of notebook paper and run it into the
gear mesh. Loosen the motor screws
and slide the motor and pinion gear
into the spur gear. Retighten the motor
screws and then remove the strip of
paper. You should be able to run a
fresh strip of paper through the gears
without binding them.
Centering Your Servo
If the trim controls on your transmitter seem off, you may need to
re-center your servo. Additionally, whenever your servo has been
removed for service or cleaning, it must be re-centered prior to
installation in the model.
1. Disconnect the servo horn from the steering servo.
2. Connect the steering servo to channel 1 on the receiver. Connect
the electronic speed control (ESC) to channel 2.
3. Place fresh "AA" batteries in the transmitter and turn the
transmitter power switch on.
4. Turn the steering trim adjustment on the transmitter to the center
"0" position.
5. Elevate the rear wheels of the model. Connect a fresh 7.2V battery
pack to the speed control and turn on the ESC (see page 21). The
servo will automatically jump to its center position.
6. Turn off the power to the model followed by the transmitter. The
servo horn is now ready to be installed.
7. Be careful not to move the servo shaft when installing the servo
horn. Readjust the ESC as described in the "Adjusting the Speed
Control" section.
Strip of
Paper
Motor
Screws
ADJUSTING YOUR MODEL
TRAXXAS • 29
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