Spektrum™ Firma™ 3800Kv Brushless Motor; Troubleshooting Guide - Horizon Hobby LOSI BAJA REY FORD RAPTOR Manuel D'utilisation

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SPEKTRUM FIRMA
™
PRECAUTIONS
• Never touch moving parts.
• Never disassemble while the batteries are installed.
• Always let parts cool before touching.
GEARING
Your vehicle has been equipped with the optimal gearing for the stock platform. It offers an
ideal balance between speed, power and efficiency. Should you decide to customize your
vehicle with optional batteries or motors, it may be necessary for you to change the pinion or
spur gear.

TROUBLESHOOTING GUIDE

PROBLEM
Vehicle does not operate
Motor runs but wheels
do not rotate
Steering does not work
Will not turn one direction
Motor does not run
ESC gets hot
Poor run time and/or sluggish
acceleration
Poor range and/or glitching
8
8
3800KV BRUSHLESS MOTOR
™
POSSIBLE CAUSE
Battery not charged or plugged in
ESC switch not "On"
Transmitter not "On" or low battery
Pinion not meshing with spur gear
Pinion spinning on motor shaft
Transmission gears stripped
Drive pin broken
Servo plug not in receiver properly
Servo gears or motor damaged
Servo gears damaged
Motor wire solder joint is damaged
Motor wire broken
ESC damaged
Motor over-geared
Driveline bound up
Battery pack not fully charged
Charger not allowing full charge
Driveline bound up
Transmitter batteries low
Vehicle battery low
Loose plugs or wires
FORD
Installing a pinion gear with fewer teeth or a spur gear with more teeth will provide greater
torque but will reduce top speed. Likewise, a pinion gear with more teeth or a spur gear with
fewer teeth will reduce torque and increase top speed. Care should be taken when installing
larger pinion gears as this can "overgear" the vehicle, resulting in overheating of the motor
and ESC. When testing different gearing options, pay close attention to the temperature of
the motor and speed control to ensure you are operating within the temperature range of the
components. The motor or ESC should never be so hot that it cannot be touched. If tempera-
tures are too hot, a different gearing combination with a lower pinion gear and/or higher spur
gear is suggested.
SOLUTION
Charge battery/plug in
Turn on ESC switch
Turn on/replace batteries
Adjust pinion/spur mesh
Tighten pinion gear setscrew on motor shaft flat spot
Replace transmission gears
Check and replace drive pin
Make sure the steering servo plug is connected to the receiver steering channel, noting proper polarity
Replace or repair servo
Replace or repair servo
Resolder the motor wire with the proper equipment
Repair or replace as needed
Contact Horizon Hobby Product Support
Use smaller pinion or larger spur gear
Check wheels and transmission for binding
Recharge battery
Try another charger
Check wheels, transmission for binding
Check and replace
Recharge battery
Check all wire connections and plugs
RAPTOR BAJA REY KING SHOCKS: 1:10 4WD RTR • INSTRUCTION MANUAL
® ®