Traxxas 74076-3 Owner'S Manual Download Page 19

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TRAXXAS • 19

tires if holes are not cut in the tires. Cut two small holes (3mm or 1/8” diameter) in
each tire. Each hole should be near the tire center-line, 180 degrees apart.

3. Confirm that the RX box O-ring and cover are installed correctly and secure. Make

sure the screws are tight and the blue O-ring is not visible protruding from the
edge of the cover.

4. Confirm that your batteries can be used in wet conditions.
5. Use lower gearing (smaller pinion gears, as low as 9T or spur gear as large as 54T)

when running in mud, deep puddles, snow, or other similar situations that will
restrict the tires and put much higher loads on the motor.

Motor Precautions

• Velineon motor life can be greatly reduced in mud and water. If the motor gets

excessively wet or submerged, use very light throttle (run the motor slowly) until
the excess water can run out. Applying full throttle to a motor full of water can
cause rapid motor failure. Your driving habits will determine motor life with a wet
motor. Do not submerge the motor under water.

• Do not gear the motor by temperature when running in wet conditions. The

motor will be cooled by water contact and will not give an accurate indication of
appropriate gearing.

• Use special care when operating your model in muddy conditions. Stop operating your

model if it appears to be straining due to the tackiness of the mud, or build-up of mud
on the chassis. Do not allow mud to collect on the motor or pack around the motor.

After Running Your Vehicle in Wet Conditions

1. Drain the tires by spinning the tires at high speed to “sling” the water out. One way

to do this is to make several high-speed passes on a flat, dry surface, if possible.

2. Remove the batteries.
3. Rinse excess dirt and mud off the model with low-pressure water, such as from a

garden hose. Do NOT use pressure washer or other high-pressure water. Avoid
directing water into the bearings, differentials, etc.

4. Blow off the model with compressed air (optional, but recommended). Wear

safety glasses when using compressed air.

5. Remove the wheels from the model.
6. Spray all the bearings, drivetrain, and fasteners with WD-40

or similar water

displacing light oil.

7. Let the model stand or you may blow it off with compressed air. Placing the

model in a warm sunny spot will aid drying. Trapped water and oil will continue
to drip from the model for a few hours. Place it on a towel or piece of cardboard to
protect the surface underneath.

8. As a precautionary step, remove the sealed receiver box cover. While unlikely,

humidity or tiny amounts of moisture or condensation may enter the receiver
box during wet running. This can cause long-term problems with the sensitive
electronics in the receiver. Removing the receiver box cover during storage
allows the air inside to dry. This step can improve the long-term reliability of the
receiver. It is not necessary to remove the receiver or unplug any of the wires.

Additional Maintenance

: Increase your frequency of disassembly, inspection and

lubrication of the following items: This is necessary after extended wet use or
if the vehicle will not be used for an extended period of time (such as a week or

longer). This additional maintenance is needed to prevent any trapped moisture
from corroding internal steel components.

•

Stub axle housing bearings

: Remove, clean, and re-oil the bearings.

•

Differentials

: Remove, disassemble, clean, and re-grease the differential

components. Use a light coating of wheel bearing grease (from an auto parts
store) on the metal gear teeth. Refer to your exploded view diagrams for help
with disassembly and reassembly.

•

Velineon motor

: After operating your model in wet or muddy conditions,

remove the motor and clean any mud or dirt from the bearings. To access the
rear bearing, remove the plastic cap with thumb pressure, or gently pry the cap
off with a flat-blade screwdriver. To prevent corrosion and assure maximum
bearing life, lubricate the bearings with a light oil (available at your local
hobby store). Following these steps will extend motor life and maintain peak
performance. Be sure to wear eye protection when using spray aerosol cleaners.

RECEIVER BOX: MAINTAINING A WATERTIGHT SEAL

Removing and Installing Radio Gear

The unique design of the receiver box allows the removal and installation of the
receiver without losing the ability to maintain a watertight seal in the box. The
patent-pending wire clamp feature gives you the ability to also install aftermarket
radio systems and maintain the watertight features of the receiver box.

Removing the Receiver

1. To remove the wire clamp, remove the two 2.5x12mm socket-head cap screws.
2. To remove the cover, remove the two 3x12mm button-head cap screws.
3. To remove the receiver from the box, unplug the servo cables from the receiver

and remove the receiver.

Receiver Installation

1. Using double-sided adhesive foam tape, install the

receiver into the box. Make sure the box light pipe is
aligned with the receiver LED.

Note: For best performance, it is recommended that
the receiver be installed in the original orientation as shown.

2. Install the servo wires and antenna through the cover and

plug the wires into the receiver.

3. Make sure the O-ring is properly seated into the groove in

the receiver box so that the cover will not pinch it or
damage it any way.

4. Install the cover and tighten the two 3x12mm button-

head cap screws securely.

5. Inspect the cover to make sure that the O-ring seal is not