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water and oil will continue to drip from the truck 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.
9. 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.
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 cover, remove the two 3x15mm cap head screws.
2. To remove the receiver from the box, simply lift it out and set
to the side. The antenna wire is still inside the clamp area and
cannot be removed yet.
3. Remove the wire clamp by removing the two 3x15 cap head
screws.
4. Unplug the servo cables from the receiver and remove the
receiver.
Receiver Installation
1. Always install the wires into the receiver
box before installing the receiver.
2. Install the antenna wire and the servo
cables into the receiver box.
3. Arrange the wires neatly using the wire
guides in the receiver box. The excess
wire will be bundled inside the receiver
box. Label which wire is for which
channel.
4. Apply a small bead of silicone grease
(Traxxas part #1647) to the wire clamp.
5. Install the wire clamp and tighten the
two 3x15 cap head screws securely.
6. Using double-sided adhesive foam
tape, install the receiver into the box.
Note: For best performance, it is
recommended that the receiver be
installed in the original orientation
as shown.
7. Plug the wires into receiver. Refer to page 12 for the wiring
diagram.
8. Make sure the box light pipe is aligned with the receiver LED.
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 in
any way.
9. Install the cover and tighten the two 3x15 cap head
screws securely.
10. Inspect the cover to make sure that the O-ring seal is not visible.
DRIVING YOUR MODEL
XRT ULTIMATE • 23
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