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Xray XT4 User Manual

Xray XT4
48 pages
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INSTRUCTION MANUAL
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Xray XT4 Specifications

General IconGeneral
CategoryMotorized Toy Car
Scale1/10
SuspensionIndependent
Drive System4WD
Shock TypeOil-filled

Summary

BEFORE YOU START

CUSTOMER SUPPORT

Get help and find updates from the XRAY support team.

SAFETY PRECAUTIONS

Key guidelines for safe assembly and operation of the model car.

IMPORTANT NOTES – ELECTRICAL

R/C & BUILDING TIPS

WARRANTY INFORMATION

LIMITATIONS OF LIABILITY

XRAY's liability is limited to the product's monetary value.

QUALITY CERTIFICATE

Assurance of high-quality parts manufactured with advanced processes.

MANUAL NAVIGATION AND TOOLS

SYMBOLS USED

Explanation of icons used in the instruction manual for clarity.

TOOLS REQUIRED

List of essential tools needed for building the RC model.

ITEMS INCLUDED

Components provided within the kit for assembly.

EQUIPMENT REQUIRED

List of necessary external equipment for operation.

ADDITIONAL INFORMATION AND TIPS

NOT INCLUDED / SET-UP BOOK

Information on optional parts and accessing the latest setup book.

COLOR INDICATIONS

Guide to understanding color coding for part identification.

XB4 TECH TIPS

Tips for preparing graphite parts for enhanced durability.

1. FRONT & REAR DIFFERENTIAL

BEVEL GEARS

Options for front and rear differential bevel gear materials.

BEVEL & SATELLITE GEARS + PINS

Components for the differential bevel and satellite gears assembly.

DIFFERENTIAL OIL AND SETTINGS

PROPER AMOUNT OF OIL IN THE DIFFS

Guidelines for measuring and filling differential oil for optimal performance.

TIPS FOR DIFFERENTIALS

Recommendations for differential oil viscosity based on traction conditions.

1. GEAR CENTER DIFFERENTIAL

CENTER DIFF SPUR GEARS

Options for the center differential spur gear.

BEVEL & SATELLITE GEARS + PINS

Components for the center differential bevel and satellite gears.

CENTER DIFFERENTIAL OIL AND SETTINGS

TIP FOR CENTER DIFFERENTIAL

Guidance on center differential oil viscosity for handling characteristics.

2. REAR CENTRAL TRANSMISSION

XRAY BALL-BEARINGS

Ball-bearing options for the rear transmission assembly.

DRIVE SHAFT COLLARS

Options for composite and aluminum drive shaft collars.

BEVEL DRIVE GEARS

Options for graphite and steel bevel drive gears.

CENTRAL SHAFT UNIVERSAL JOINTS

Component for the central shaft universal joint.

REAR TRANSMISSION ORIENTATION AND ALTERNATIVES

ALTERNATIVE 1

Shocks mounted in front of the rear shock tower (initial setting).

ALTERNATIVE 2

Shocks mounted behind the rear shock tower.

2. FRONT CENTRAL TRANSMISSION

XRAY BALL-BEARINGS

Ball-bearing options for the front transmission assembly.

DRIVE SHAFT COLLARS

Options for composite and aluminum drive shaft collars.

BEVEL DRIVE GEARS

Options for graphite and steel bevel drive gears.

CENTRAL SHAFT UNIVERSAL JOINTS

Component for the central shaft universal joint.

FRONT TRANSMISSION ORIENTATION

XRAY BALL-BEARINGS

Ball-bearings for the front transmission assembly.

3. REAR SUSPENSION

REAR SUSPENSION ARMS

Options for rear suspension arm materials (medium, hard, graphite).

ANTI-ROLL BARS

Various diameter anti-roll bars for tuning suspension stiffness.

REAR SUSPENSION ADJUSTMENTS

ECCENTRIC BUSHING ADJUSTMENTS

How eccentric bushings affect suspension geometry.

REAR ADJUSTMENT TABLES

Tables detailing adjustments for anti-squat, roll center, track-width, and toe-in.

REAR SUSPENSION COMPONENTS

ANTI-ROLL BARS

Installation and adjustment of anti-roll bars.

3. FRONT SUSPENSION

ANTI-ROLL BARS

Various diameter anti-roll bars for tuning suspension stiffness.

SUSPENSION ARMS

Options for front suspension arm materials (medium, graphite).

FRONT SUSPENSION ADJUSTMENTS

ECCENTRIC BUSHING ADJUSTMENTS

How eccentric bushings affect front suspension geometry.

FRONT ADJUSTMENT TABLES

Tables detailing adjustments for kick-up, roll center, and track-width.

FRONT SUSPENSION COMPONENTS

ANTI-ROLL BARS

Installation and adjustment of front anti-roll bars.

4. REAR TRANSMISSION

REAR ADJUSTABLE DRIVE AXLE

Adjustable drive axle for the rear transmission.

ALU REAR HUB PLATE

Aluminum hub plate for multi-angle adjustments.

ALU CONICAL SHIMS

Aluminum conical shims for various adjustments.

ALU NUTS M3

Aluminum nuts for assembly.

REAR UPRIGHTS

Options for rear upright materials.

WHEEL HUBS 12MM

12mm wheel hubs with different offsets.

WHEEL HUBS 14MM

14mm wheel hubs with different offsets.

REAR TRANSMISSION COMPONENTS AND EFFECTS

REAR ADJUSTABLE DRIVE AXLE LB

Rear adjustable drive axle details.

OPTIONAL HEX HUB EFFECTS

How hex hub offsets affect track-width and traction.

XRAY BALL-BEARINGS

Ball-bearings for the rear transmission.

REAR TRANSMISSION ADJUSTMENTS

WHEELBASE ADJUSTMENT

Adjusting wheelbase using shims for different settings.

CAMBER ADJUSTMENT

Setting front and rear camber angles.

ROLL CENTER ADJUSTMENT

Adjusting roll center for improved handling.

4. FRONT TRANSMISSION

WHEEL HUBS 12MM

12mm wheel hubs with different offsets.

WHEEL HUBS 14MM

14mm wheel hubs with different offsets.

C-HUBS

Options for C-hub angles.

ALU NUTS M3

Aluminum nuts for assembly.

ALU CONICAL SHIMS

Aluminum conical shims for adjustments.

STEERING BLOCKS

Options for steering block hardness.

XRAY BALL-BEARINGS

Ball-bearings for the front transmission.

DRIVE SHAFT COLLARS

Options for drive shaft collars.

FRONT TRANSMISSION COMPONENTS AND EFFECTS

OPTIONAL HEX HUB EFFECTS

How hex hub offsets affect track-width and steering.

XRAY BALL-BEARINGS

Ball-bearings for the front transmission.

CASTER ADJUSTMENT

Adjusting caster angle for steering response.

ROLL CENTER ADJUSTMENT

Adjusting roll center for improved handling.

FRONT TRANSMISSION ADJUSTMENTS

CAMBER ADJUSTMENT

Adjusting camber for cornering grip.

ROLL CENTER ADJUSTMENT

Fine-tuning roll center for optimal handling.

4. FRONT & REAR ASSEMBLY

ALU NUTS M3

Aluminum nuts for various assembly points.

CHASSIS BRACE AND PLATE OPTIONS

Options for chassis braces and rear chassis plate materials.

CHASSIS SIDE GUARDS AND ALU CHASSIS

Options for composite side guards and aluminum chassis.

CHASSIS FLEX AND HARDWARE

CHASSIS FLEX ADJUSTMENT

Adjusting chassis flex using side guards and braces.

ALU NUTS M3

Aluminum nuts for chassis assembly.

CHASSIS ASSEMBLY

5. STEERING

COMPOSITE STEERING PLATE

Composite steering plate for precise steering.

BALL UNIVERSAL WITH BACKSTOP

Ball universal joint with backstop for steering linkage.

STEERING COMPONENTS AND ADJUSTMENTS

SERVO SAVER ADJUSTMENT

Adjusting the servo saver preload for steering precision.

STEERING PLATES

Steering plates to enhance precision and predictability.

STEERING GEOMETRY ADJUSTMENTS

ACKERMANN AND BUMP STEER ADJUSTMENT

Adjusting Ackermann and bump steer for optimal steering response.

TOE-IN ADJUSTMENT

Setting front toe-in for steering characteristics.

6. SLIPPER CLUTCH ASSEMBLY

FORWARD WEIGHT POSITION

Setting forward weight balance for increased front traction.

SLIPPER CLUTCH WEIGHT BALANCE

REARWARD WEIGHT POSITION

Setting rearward weight balance for rear traction and stability.

SLIPPER CLUTCH ASSEMBLY STEPS

7. SHOCK ABSORBERS

PISTONS DETAIL

Details on shock piston hole configurations.

FRONT SPRINGS

Options for front shock springs (progress, linear).

REAR SPRINGS

Options for rear shock springs (progress, linear).

SHOCK ABSORBER ASSEMBLY

SHOCK DAMPING ADJUSTMENT

Adjusting shock damping using shims and oil.

PISTON ASSEMBLY DETAIL

Detailed steps for assembling shock pistons.

SHOCK REBOUND SETTINGS

DEFAULT SHOCK REBOUND SETTING

Setting the shock rebound to 0% for default performance.

8. FINAL ASSEMBLY

FINAL ASSEMBLY: SUSPENSION MOUNTING

FRONT SHOCKS

Mounting the front shock absorbers.

REAR SHOCKS ALTERNATIVE 1

Mounting rear shocks in front of the tower (initial setting).

REAR SHOCKS ALTERNATIVE 2

Mounting rear shocks behind the tower.

SERVO INSTALLATION AND HORNS

SERVO LINK ADJUSTMENT

Adjusting the servo link length for proper servo connection.

HUDY ALU SERVO HORNS

Aluminum servo horns for improved steering response.

HUDY CLAMP ALU SERVO HORNS

Clamp-style aluminum servo horns.

MOTOR AND GEAR MESH SETUP

ELECTRONICS INSTALLATION

WEIGHT BALANCE AND BODY PREPARATION

FORWARD WEIGHT BALANCE POSITION

Setting forward weight for front suspension traction.

REARWARD WEIGHT BALANCE POSITION

Setting rearward weight for rear suspension stability.

WING CUTTING LINE OPTIONS

Cutting lines for Lexan rear wings based on traction.

BODY MOUNTING AND SEALING

FINAL ASSEMBLY: WHEELS AND WING SHIMS

OPTIONAL ALU WING SHIMS

Aluminum shims for adjusting the rear wing position.

MAINTENANCE

SHOCK MAINTENANCE

Procedures for refilling, bleeding, and maintaining shock absorbers.

BEARING MAINTENANCE

Cleaning and lubricating ball-bearings for smooth operation.

SUSPENSION & DRIVETRAIN MAINTENANCE

Checking suspension movement and drivetrain parts.

HUDY SPRING STEEL™™

Information on the durability and properties of HUDY Spring Steel™.

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