Radio Shack 60-8512, Custom RC User Manual
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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.
Preparing for Your Metal Bearing Upgrade
Tip: For best performance and fit,
before installing bearings,
lightly brush each shaft with
fine sandpaper to remove
burrs and blemishes.
1
Use the lug wrench supplied in your XMODSTM Starter Kit
to detach the front lug nuts and wheels.
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.
Screw Guide (Rear of Car)
Screw
2
Loosen and remove each damper screw and detach
the right and left front and rear dampers.
Location
Quantity
Rear Upper
Deck (short)
4 2 4 2 4 4 2
Rear Upper
Deck (long)
Motor
Holders
Upgrading the Rear Section to Metal Bearings
1
Remove six screws (2 long, 4 short) from the rear upper
deck to detach it.
4 short screws
2 long screws
3
Remove two screws from the rear lower deck.
Rear Lower
Deck
Rear Support
Arms
Rear Lower
Deck
2
Diconnect the motor connector. Remove two
screws from each motor holder and remove the
motor holders and motor.
Motor Holders
4
Remove the rear lower deck from the chassis.
Rear Center
Shaft Holder
Motor
Tip: When reassembling, align
the center shaft’s D-cut
with the D-cut in the gear.
Center Shaft
Center Shaft Holder
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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.
Center Shaft Holder
Remove plastic
bushing and replace
with metal bearing
6
Remove the four screws from the rear arms to
release the rear support arms.
Rear Arms
7
Remove the four screws from the rear lower deck to
release the rear arm base and detach the rear arms.
Rear Arm Base
8
Disassemble the axle to access the six plastic
bushings. Replace each plastic bushing with a
metal ball bearing.
Bearings
Tip: When reassembling,
align the axles with
the D-cut in the
differential gear.
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.
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