Radio Shack XMODS Custom RC User manual

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1
Screw Guide (Rear of Car)
Screw
Location Rear Upper
Deck (short)
Rear Upper
Deck (long)
Motor
Holders
Rear Lower
Deck
Rear Support
Arms
Rear Lower
Deck
Rear Center
Shaft Holder
Quantity 4 2 4 2 4 4 2
XMODSTM Custom RC
Metal Bearing Upgrade 60-8512
Upgrade from standard plastic bushings to metal ball bearings for reduced friction,
greater precision, and better handling. Before installing, turn off your vehicle and
controller and then detach the car body.
1
Use the lug wrench supplied in your XMODSTM Starter Kit
to detach the front lug nuts and wheels.
2
Loosen and remove each damper screw and detach
the right and left front and rear dampers.
Preparing for Your Metal Bearing Upgrade
Tips
• Carefully count and set aside screws while disassembling so you can properly reassemble your car later.
• Bearings can be fitted in place in either direction.
• Be careful that the lead solder joints inside the car do not become detached.
• You may find it useful to remove the antenna from the chassis.
1
Remove six screws (2 long, 4 short) from the rear upper
deck to detach it.
4
Remove the rear lower deck from the chassis.
Motor Holders
Motor
2 long screws
4 short screws
Center Shaft
Center Shaft Holder
Upgrading the Rear Section to Metal Bearings
3
Remove two screws from the rear lower deck.
Tip: When reassembling, align
the center shaft’s D-cut
with the D-cut in the gear.
Tip: For best performance and fit,
before installing bearings,
lightly brush each shaft with
fine sandpaper to remove
burrs and blemishes.
2
Diconnect the motor connector. Remove two
screws from each motor holder and remove the
motor holders and motor.

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7
Remove the four screws from the rear lower deck to
release the rear arm base and detach the rear arms.
8
Disassemble the axle to access the six plastic
bushings. Replace each plastic bushing with a
metal ball bearing.
Rear Arm Base
Rear Lower Deck
9
This completes the installation of the rear bearings.
Reassemble the rear section of the car by following Steps
1-8 in reverse order.
5
Remove the two screws beneath the chassis that secure
the center shaft holder in place. Use a narrow, flat bladed
screwdriver to remove the plastic bushing from the
center shaft holder and replace it with a metal ball
bearing.
Remove plastic
bushing and replace
with metal bearing
Center Shaft Holder
Rear Arms
6
Remove the four screws from the rear arms to
release the rear support arms.
Bearings
Tip: When reassembling,
align the axles with
the D-cut in the
differential gear.

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3
1
Remove the four screws from the front upper deck to
detach it.
2
Remove the top and bottom screws from the left and
right knuckles to detach the knuckles.
Knuckle
Long
Short
Screws
Upgrading the Front Section to Metal Bearings
3
Detach the knuckles and slide out the front axle shaft so
you can remove the two plastic bushings from each
knuckle and replace them with two metal ball bearings.
Bearings
Knuckle
Standard Shaft
All Wheel Drive Shaft
4
Remove the four screws to detach the front arm
base and the standard or all wheel drive assembly.
Standard
Assembly
All Wheel Drive Assembly
Screw Guide (Front of Car)
Screw
Location Front and Rear
Dampers
Front Upper
Deck (long)
Front Upper
Deck (short)
Left and Right
Front Knuckles
Front Arm
Base
Quantity 4 2 2 4 4

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6
Remove the bevel gear by pulling forward and lifting
up. Hold the center shaft in place as you remove the
gear to hold it in place.
7
Use a narrow, flat bladed screwdriver to gently remove the
plastic bushing and replace it with a metal ball bearing.
Bevel Gear
Bearing
8
This completes the installation of the front bearings.
Reassemble the car by following Steps 1-7 in reverse
order and steps 1 and 2 under Preparing for Your
Metal Bearing Upgrade.
5
Remove the two plastic bushings and replace them with
two metal ball bearings.
Bearings
Steps 5 and 6 apply only to cars with an all wheel drive assembly.
If you do not have an all wheel drive assembly, proceed to Step 7.
Tip: When reassembling, align
the center shaft’s D-cut
with the D-cut in the gear.
Front End of Chassis