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Xray XB8E'21 - User Manual

Xray XB8E'21
56 pages
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Xray XB8E'21 Specifications

General IconGeneral
TypeElectric Off-Road Buggy
Scale1/8
Drive4WD
Width307mm
ESCNot included
ServoNot included
MotorBrushless
BatteryNot included
ChassisAluminum 7075
SuspensionIndependent
Tire TypeOff-Road
BodyPolycarbonate

Summary

BEFORE YOU START

CUSTOMER SUPPORT

Information on contacting XRAY for assistance and details about the online community.

SAFETY PRECAUTIONS

Warnings about chemicals and general safety guidelines for operating the RC model.

IMPORTANT NOTES - GENERAL

IMPORTANT NOTES - ELECTRICAL

R;C & BUILDING TIPS

WARRANTY

TOOLS REQUIRED

EQUIPMENT REQUIRED

EQUIPMENT INCLUDED

XB8 TECH TIPS

FRONT & REAR DIFF GEAR MESH ADJUSTMENT

Guide to adjusting front and rear diff gear mesh for optimal performance.

SUSPENSION & DRIVETRAIN MAINTENANCE

TIP DRIVE SHAFT PIN SERVICING

1. F&R DIFFERENTIALS

XRAY BALL-BEARING

Options for ball bearings used in front and rear differentials.

DIFFERENTIAL CASE - V2 - GRAPHITE

Specific graphite differential case option for V2 differentials.

HEAT RESISTANT F;R ALU DIFF PIN + INSERTS (SET)

Aluminum diff pins with heat resistance for front/rear differentials.

Graphite Grease

Recommended grease for lubricating components like ball bearings.

1. F&R DIFFERENTIALS

VERY IMPORTANT!

Crucial information regarding differential oil type and fill level.

IMPORTANT! Do not overfill the differential.

Warning about overfilling differentials to prevent leaks after cooling.

SET-UP BOOK DIFFERENTIAL OIL

1. CENTER DIFFERENTIAL

XRAY BALL-BEARING

Ball bearing options for the center differential assembly.

CENTER DIFF SPUR GEARS - LARGE

Options for large spur gears for the center differential.

DIFFERENTIAL CASE - V2 - GRAPHITE

Graphite option for the V2 differential case.

HEAT RESISTANT CENT ALU DIFF PIN + INSERTS (SET)

Heat-resistant aluminum diff pins for the center differential.

HEAT RESISTANT CENTER STEEL DIFF PIN + INSERTS (SET)

Heat-resistant steel diff pins for the center differential.

1. CENTER DIFFERENTIAL

VERY IMPORTANT!

Guidance on the correct silicone oil for the center differential initial setting.

IMPORTANT! Do not overfill the differential.

Warning about overfilling the center differential to prevent leaks.

SET-UP BOOK DIFFERENTIAL OIL

2. FRONT TRANSMISSION

XRAY BALL-BEARING

Ball bearing options for the front transmission components.

Graphite Grease

Lubricant for drive shafts and other rotating parts.

TIP BEFORE inserting the clip...

Instructions for applying threadlock and orienting the CVD shaft clip.

2. FRONT TRANSMISSION

NOTE DIFF ORIENTATION

Guidance on the correct orientation of differential gears in the transmission.

SADDLE PACK LAYOUT

Illustration of the saddle pack battery layout for the front transmission.

BRICK LAYOUT

Illustration of the brick battery layout for the front transmission.

During assembly, there is no need to check gear mesh or diff play.

Advice on when to check gear mesh and diff play during assembly.

2. REAR TRANSMISSION

XRAY BALL-BEARING

Ball bearing options for the rear transmission components.

Graphite Grease

Lubricant for drive shafts and differential parts.

TIP BEFORE inserting the clip...

Instructions for applying threadlock and orienting the CVD shaft clip.

2. REAR TRANSMISSION

NOTE DIFF ORIENTATION

Guidance on the correct orientation of differential gears in the rear transmission.

SADDLE PACK LAYOUT

Illustration of the saddle pack battery layout for the rear transmission.

BRICK LAYOUT

Illustration of the brick battery layout for the rear transmission.

During assembly, there is no need to check gear mesh or diff play.

Advice on when to check gear mesh and diff play during assembly.

3. REAR SUSPENSION

SHORT - REAR SUSPENSION ARMS

Options for short rear suspension arms and their holders.

FLAT - REAR SUSPENSION ARMS

Options for flat rear suspension arms.

LSM - REAR SUSPENSION ARMS

Options for LSM rear suspension arms.

REAR ANTI-ROLL BARS

Various options for rear anti-roll bars based on diameter.

3. REAR SUSPENSION

ECCENTRIC BUSHINGS HAVE TWO DIFFERENT OFFSETS FROM THE CENTER.

Explanation of eccentric bushing offsets for front suspension adjustment.

Anti-Squat Example:

Example of how to adjust anti-squat using eccentric bushings.

TIP If the suspension arm does not move freely...

Advice on using an arm reamer if suspension arms bind.

3. REAR SUSPENSION

REAR ANTI-ROLL BARS

Options for rear anti-roll bars based on diameter.

INITIAL SETTING

Initial settings for rear suspension components.

4. REAR SUSPENSION

CVD ADJUSTABLE DRIVE AXLE - HUDY SPRING STEEL TM

Details on the adjustable CVD drive axle made of HUDY Spring Steel.

COMPOSITE REAR WING HOLDER FOR FRONT-WARD WING POSITION

Composite holder for the rear wing in a forward position.

XRAY BALL-BEARING

Ball bearing options for rear suspension components.

OFFSET WHEEL AXLES

Options for wheel axles with different offsets.

4. REAR SUSPENSION

TIP Ensure that the rear upright moves freely.

Advice on ensuring rear upright free movement by thinning shims.

TIP Do not overtighten the self-locking nut.

Warning against overtightening self-locking nuts to prevent suspension binding.

INITIAL SETTING

Initial settings for rear suspension components.

5. FRONT SUSPENSION

FRONT LOWER SUSP. ARMS

Options for front lower suspension arms.

FRONT ANTI-ROLL BARS

Options for front anti-roll bars based on diameter.

XRAY BALL-BEARING

Ball bearing options for front suspension.

5. FRONT SUSPENSION

Eccentric bushings have two different offsets from the center.

Explanation of eccentric bushing offsets for front suspension adjustment.

TIP If the suspension arms do not move freely...

Advice on using an arm reamer for free suspension arm movement.

INITIAL SETTING

Initial settings for front suspension components.

All possible mounting alternatives of eccentric bushings.

Visual guide to eccentric bushing mounting options for steering.

5. FRONT SUSPENSION

FRONT ANTI-ROLL BARS

Options for front anti-roll bars based on diameter.

INITIAL SETTING

Initial settings for front suspension components.

6. FRONT SUSPENSION

FRONT UPPER SUSP. ARMS

Options for front upper suspension arms.

OFFSET WHEEL AXLES

Options for wheel axles with different offsets.

STEERING BLOCKS

Options for steering blocks.

ALU STEERING PLATE

Options for aluminum steering plates.

XRAY BALL-BEARING

Ball bearing options for front suspension.

6. FRONT SUSPENSION

FRONT UPPER SUSP. ARMS

Options for front upper suspension arms.

TIP PIVOT BALLS MUST MOVE FREELY

Instructions for ensuring pivot balls move freely.

6. FRONT & REAR ASSEMBLY

GRAPHITE BRACES FOR REAR COMPOSITE BRACE - SET

Graphite brace set for rear composite brace.

PRECISION BALANCING CHASSIS WEIGHT 10 G (4)

Chassis weights for balancing the car.

Location for weights

Indicates where to place chassis weights.

During assembly, there is no need to check gear mesh or diff play.

Advice on checking gear mesh and diff play during assembly.

6. FRONT REAR ASSEMBLY

GRAPHITE BRACE SET for extra stiffness adjustment.

Graphite brace set for adjusting chassis stiffness.

During assembly, there is no need to check gear mesh or diff play.

Advice on checking gear mesh and diff play during assembly.

7. STEERING

STEERING SERVO MOUNT - SET

Set for mounting the steering servo.

ALU STEERING PLATE

Options for aluminum steering plates.

BALL STUD 6.8 MM WITH BACKSTOP L=6 mm - M3 x8 (2)

Ball studs with backstop for steering system.

7. STEERING

WIDER hole on TOP NARROWER hole on BOTTOM

Instructions on the orientation of spring and holes in steering components.

NOTE SPRING ORIENTATION

Guidance on the correct orientation of springs in the steering system.

INITIAL PRELOAD SETTING

Initial setting for steering preload.

7. STEERING

SADDLE PACK ALTERNATIVE (INITIAL SETTING)

Initial settings for saddle pack battery configuration in steering.

BRICK ALTERNATIVE

Configuration for brick battery alternative in steering.

NOTE ORIENTATION

Notes on correct orientation for steering components.

Check for free movement

Instruction to check for free movement of the steering system.

7. STEERING

INITIAL SETTING

Initial settings for steering components.

CASTER

Table detailing caster adjustments with eccentric bushings.

All possible mounting alternatives of eccentric bushings.

Visual guide to eccentric bushing mounting options for steering.

NOTE ORIENTATION

Notes on correct orientation for steering components.

8. CENTER DIFF & MOTOR

XRAY PINION GEAR

Options for XRAY pinion gears.

COMPOSITE CHASSIS SIDE GUARD L+R - SOFT

Soft composite side guards for the chassis.

XB8 GRAPHITE BRACE FOR CHASSIS SIDE GUARDS - SET

Graphite brace set for chassis side guards.

8. CENTER DIFF & BRAKE

NOTE ORIENTATION

General notes on orientation for center diff and brake components.

8. CENTER DIFF & BRAKE

Orientation for the SADDLE PACK ALTERNATIVE (INITIAL SETTING)

Initial settings for saddle pack alternative in center diff/brake.

Orientation for the BRICK ALTERNATIVE

Settings for brick alternative in center diff/brake.

XRAY PINION GEAR

Options for XRAY pinion gears.

Adjust gear mesh so there is minimal play between the gears.

Instruction on adjusting gear mesh for minimal play.

10. RADIO CASE (Saddle Pack Alternative)

Orientation for the SADDLE PACK ALTERNATIVE (INITIAL SETTING)

Initial settings for saddle pack radio case.

ADJ. TURNBUCKLE L;R 20 MM - HUDY SPRING STEEL TM (2)

Turnbuckles for steering linkage adjustment.

Use appropriate servo arm: K - (23 T) H - (24 T) F - (25 T)

Guide to selecting the correct servo arm.

ALU SERVO HORNS

Options for aluminum and clamp aluminum servo horns.

10. RADIO CASE (Saddle Pack Alernative)

NOTE ORIENTATION

Note on correct orientation for radio case components.

Double-sided Tape (HUDY #107875)

Use of double-sided tape for mounting components.

10. RADIO CASE (Saddle Pack Alernative)

ALTERNATIVE 1 CONFIGURATION FOR STANDARD BATTERY PACK (INITIAL SETTING)

Setup for standard battery pack in saddle configuration.

ORIENTATION FOR LOW BATTERY PACK

Guidance on orienting the battery holder for low battery packs.

ORIENTATION FOR STANDARD BATTERY PACK

Guidance on orienting the battery holder for standard battery packs.

ALTERNATIVE 2 CONFIGURATION SHORT BATTERY PACK SETTINGS WITH BALANCE POSITION

Setup for short battery packs with balance adjustments.

10. RADIO CASE (Brick Alternative)

Radio case orientation for the BRICK ALTERNATIVE

Orientation of radio case for brick battery setup.

Use appropriate servo arm: K-(23 T) H-(24 T) F-(25 T)

Guide to selecting the correct servo arm.

ALU SERVO HORNS

Options for aluminum and clamp aluminum servo horns.

10. RADIO CASE (Brick Alernative)

If the receiver box has 2 different-size openings...

Instructions for modifying the receiver box for cable entry.

10. RADIO CASE (Brick Alernative)

ALTERNATIVE 1

Configuration 1 for brick radio case setup.

ALTERNATIVE 2

Configuration 2 for brick radio case setup.

Cut Battery Plate

Instruction to cut the battery plate.

11. SHOCK ABSORBERS

PISTONS

Different piston types and hole configurations for shock absorbers.

SHOCK RUBBER MEMBRANE (4)

Options for shock absorber rubber membranes.

FRONT COMPLETE SET (2)

Complete sets for front shock absorbers.

REAR COMPLETE SET (2)

Complete sets for rear shock absorbers.

SHOCK SPRINGS

Various spring rates and stripe counts for front and rear shocks.

FRONT LINEAR SPRINGS

Options for linear springs for front shock absorbers.

REAR LINEAR SPRINGS

Options for linear springs for rear shock absorbers.

FRONT & REAR PROGRESSIVE SPRINGS

Progressive springs for both front and rear shocks.

REAR PROGRESSIVE SPRINGS

Options for progressive springs for rear shock absorbers.

HUDY AIR VAC - VACUUM PUMP - 1;8 OFF-ROAD

Vacuum pump for shock absorber maintenance.

XB8 ALU SHOCK CAP NUT WITH VENT HOLE - BLACK COATED (2)

Aluminum shock cap nuts with vent holes.

11. SHOCK ABSORBERS

PISTONS

Details on shock absorber pistons with different hole configurations.

DO NOT OVERTIGHTEN

Warning against overtightening shock pistons.

TIGHTEN GENTLY

Instruction for gently tightening shock absorber nuts.

2 X FRONT SHOCKS (SHORT)

Assembly steps for short front shocks.

2 X REAR SHOCKS (LONG)

Assembly steps for long rear shocks.

INCORRECT

Incorrect method for assembling shock absorber rods.

CORRECT

Correct method for assembling shock absorber rods.

EXTREMELY IMPORTANT

Critical warning about shock absorber assembly.

11. SHOCK ABSORBERS

DEFAULT SHOCK REBOUND SETTING 0% (LOW REBOUND)

Steps to set shock rebound to 0% (low rebound).

HALF TIGHTEN 50%

Step for half-tightening shock caps for 50% rebound.

TIGHTEN FULLY 100%

Step for fully tightening shock caps for 100% rebound.

UP & DOWN

Instructions for moving shock shafts during assembly.

Gently push the shock shaft completely into the shock body.

Step for pushing shock shaft into the body.

11. SHOCK ABSORBERS

REAR shock PRELOAD

Instructions for setting rear shock preload.

FRONT shock PRELOAD

Instructions for setting front shock preload.

IMPORTANT!

Important notes regarding shock length consistency.

TIP ALTERNATE SHOCK REBOUND SETTING (50% AND 100%)

Guide to setting shock rebound to 50% or 100%.

SETTING THE SHOCK REBOUND TO 50% (MEDIUM REBOUND)

Steps for setting shock rebound to 50%.

SETTING THE SHOCK REBOUND TO 100% (HIGH REBOUND)

Steps for setting shock rebound to 100%.

12. FINAL ASSEMBLY

XRAY STARBURST WHEELS

Options for Xray Starburst wheels.

WHEEL NUTS

Options for wheel nuts.

WING SHIMS

Options for composite and aluminum wing shims.

WINGS

Options for different colored and material wings.

XB8 BODIES

Options for different XB8 body types.

12. FINAL ASSEMBLY

FRONT SHOCKS (SHORT)

Assembly steps for short front shocks.

Use STANDARD M3 x18 screw

Instruction to use standard M3x18 screws.

INITIAL SETTING

Initial settings for front suspension assembly.

REAR SHOCKS (LONG)

Assembly steps for long rear shocks.

Use STANDARD M3 x18 screw

Instruction to use standard M3x18 screws.

INITIAL SETTING

Initial settings for rear suspension assembly.

12. FINAL ASSEMBLY

WINGS

Options for different colored and material wings.

WING SHIMS

Options for composite and aluminum wing shims.

WHEEL NUTS

Options for wheel nuts.

XRAY STARBURST WHEELS

Options for Xray Starburst wheels.

12. FINAL ASSEMBLY

Body Reamer (HUDY #107602)

Tool for cutting and making holes in the RC body.

Ensure to make this rear body mount hole oval...

Instruction for ovalizing the rear body mount hole to prevent tearing.

CUTTING LINE FOR SADDLE PACK LAYOUT (INITIAL SETTING)

Cutting guide for saddle pack layout.

CUTTING LINE FOR BRICK LAYOUT

Cutting guide for brick layout.

XB8 BODIES

Options for different XB8 body types.

TIP To reinforce the body or to fix broken body use #106280 HUDY BODY FIX

Product recommendation for body reinforcement or repair.

FRONT C-HUB SUSPENSION

#350907 XB8;XB8 E FRONT C-HUB SUSPENSION - SET

Set for front C-hub suspension.

ECCENTRIC BUSHINGS

Options for eccentric bushings used in C-hub suspension.

NOTE ORIENTATION

Notes on correct orientation for C-hub suspension parts.

FRONT C-HUB SUSPENSION

NOTE ORIENTATION

Notes on correct orientation for C-hub suspension parts.

TIP Use HUDY Ball-Bearing Grease for servicing:

Recommendation for using HUDY Ball-Bearing Grease.

TIP Install the pivot balls with Professional Multi Tool (HUDY #183011).

Tool recommendation for pivot ball installation.

TOP DOWNSTOP SETTING

Setting the top downstop for C-hub suspension.

FRONT C-HUB SUSPENSION

INITIAL SETTING

Initial settings for the front C-hub suspension.

STEP DETAIL

Detailed steps for C-hub suspension assembly.

FRONT C-HUB SUSPENSION

TIP Install the pivot balls with Professional Multi Tool (HUDY #183011).

Tool recommendation for pivot ball installation.

INITIAL SETTING

Initial settings for front C-hub suspension assembly.

Use STANDARD M3 x18 screw

Instruction to use standard M3x18 screws.

MAINTENANCE

SHOCK MAINTENANCE

Procedures for maintaining shock absorbers for optimal performance.

BEARING MAINTENANCE

Guidelines for cleaning and maintaining ball-bearings for smooth operation.

CLUTCH BEARINGS

Recommendations for cleaning and lubricating clutch bearings.

RECOMMENDED PRODUCTS

List of recommended HUDY products for maintenance.

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