ASSOCIATED RC8B4 Road Nitro Buggy Kit User Guide
- June 3, 2024
- ASSOCIATED
Table of Contents
ASSOCIATED RC8B4 Road Nitro Buggy Kit
IMPORTANT NOTES FOR BATCH #1 of RC8B4 / RC8B4e
Updates
The following items have been updated in the manual since 1st print batch. The
online manual will show these updates
General Tips
Hardware
Clean the hardware from each bag with motor spray to remove residual oils
.
Check the Bags
Sometimes, parts can get stuck inside of other parts. If you think you may be
missing something from a bag, make sure to double check to make sure it’s not
stuck somewhere. The example below is an outdrive shim stuck inside an
outdrive.
Snip the Mold Trees
Molded parts are still attached to the trees with other parts. When the parts
are broken off of the tree, there can be leftover material from the mold gate
that needs to be trimmed. Carefully cut or file off the remaining material
from the mold tree.
Differentials
Grease the outdrives, ring gears, and diff cases
This will prevent a squeaky drivetrain and help the parts last longer
Grease the Gasket
Adding grease will help the gasket stay in place during installation
Fill the Cracks
When filling a diff cases with oil for the first time, make sure to add diff
fluid behind the planet gears and in the pocket behind the gear
Shocks
Clean the Pistons
Remove any excess mold tree material from the piston. Burrs will interfere
with the shock body and cause binding. Carefully cut or file off the remaining
material.
O-Ring Installation Shortcut
Add all of the O-rings and bushings to a hex driver in the order they are
loaded into the shock. Apply #1105 FT Green Slime Shock Lube to all parts.
Press the assembly into a shock body – two O-rings and two bushings should
stay in the shock and the others on the driver shaft. Repeat on all four shock
bodies.
Shock Cap Inserts
Pay attention to the orientation of the shock cap inserts when installing.
Install them in opposing directions so the bleed screw can be oriented in on
the same side of the car
Lube the O-ring
Add a drop of shock oil will make installation of the shock collar SO much
easier!
Turnbuckles
Grease the Plastic
Add some grease (#6588) or green slime (#1105) to the inside of the
turnbuckles to make threading easier. Pay attention to the orientation of the
turnbuckle balls!
Side Guards
Carefully cut or file off the remaining material from the mold tree.
Front End
Odds and Ends
Miscellaneous tips during the front gearbox build
Front Gearbox
Odds and Ends
Miscellaneous tips during the front gearbox build
Rear End
Odds and Ends
Miscellaneous tips during the rear gearbox build
RC8B4e Wiring Example
Radio Tray
(Configurations)
Configuration 1 (Kit Setup)
- Both graphite parts installed.
- Stiffest radio tray option
- Most consistent brake feeling (without a home made top plate brace)
Configuration 2
- Only transponder mount installed
- Increased chassis flex at noted position
- More direct feeling with the front end
Configuration 3
- Only radio tray brace installed
- Increased chassis flex at noted position
- More balanced rear flex as this configuration is in line with the engine mount on the left side
Configuration 4
- No graphite braces installed
- Increased chassis flex at noted positions
- Try on low traction surfaces
- Recommended to run a top plate brace when using this configuration
Radio Tray
Steering Servo Wire Routing
Route the steering servo wire on the outside of the throttle servo as shown. A
piece of tape will help to hold it in place. Do not route the wire directly
under the throttle servo as this may cause the wire to be pinched
Linkage Setup
The throttle linkage should be as straight as possible. The setup will depend
on what engine you are using. Shown here is an O.S. Speed B2101. The stock
position in the manual works for most engine but use the two holes in the
servo horn to your advantage to align the linkage
Switch or No Switch?
If you want to run an electronic switch, it’s easily mountable underneath the
transponder location. If not, you can glue an extension to the top of the
receiver box lid to make it easy to plug in your battery. .
21062 Bake Pkwyy Lake Forest CA 92630
www.AssociatedElectrics.com
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