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XTM Racing Mammoth ST User Manual

XTM Racing Mammoth ST
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DISTRIBUTED EXCLUSIVELY BY
Global Hobby Distributors
18480 Bandilier Circle, Fountain Valley, CA 92708
All contents copyright © 2005, Global Hobby Distributors
Version V1.0 May 2005
Kit Product # 145619
OPERATION, TUNING GUIDE AND REPLACEMENT PARTS
MAMMOTH ST NITRO STADIUM TRUCK FEATURES:
Factory-Built and Painted
Powerful XTM Racing 24.7 Engine with Tuned Pipe
Hitec Aggressor AM Radio System
High-Torque Metal Gear Steering Servo
2-Speed Transmission for Awesome Speed
Low Center of Gravity for Awesome Handling
Double Bracing Front and Rear
New Upper Arm Design for More Precise Handling
Full Ball Bearings
Heavy-Duty Side Dust Guards
3mm Aluminum Chassis with Curved Edges for Added Strength
Large Front Bumper and Skid Plate
Triple Vented Disc Brakes
Chrome-Plated Universals and Dogbones for Added Strength
Steel Differentials
Gear Boxes Allow Easy Differential Removal
3.5mm Rear Sway Bar
Fully Threaded, Oil-Filled Aluminum Shocks with 3.5mm Shafts
Dish-Style Racing Wheels with 17mm Hex Mounts
Factory-Glued Tires with Inserts
Adjustable Camber, Caster and Toe-In Front and Rear
Water Resistant Receiver and Battery Boxes
IMPORTANT
Before operating your new XTM Racing Mammoth ST
Nitro Stadium Truck, please read and understand the warnings listed on
the next page. Failure to do so could lead to bodily harm and/or injury.
The XTM Racing Mammoth ST Nitro Stadium Truck is not intended for
persons under 12 years of age, unless closely supervised by an adult.
INCLUDES HITEC AGGRESSOR RADIO AND POWERFUL XTM 24.7 ENGINE!

Table of Contents

Question and Answer IconNeed help?

Do you have a question about the XTM Racing Mammoth ST and is the answer not in the manual?

XTM Racing Mammoth ST Specifications

General IconGeneral
Scale1/10
Drivetrain4WD
Power SourceElectric
Chassis MaterialPlastic
Motor TypeBrushed
Battery7.2V NiMH

Summary

FOR YOUR SAFETY - PLEASE READ THESE WARNINGS FIRST!

ENGINE WARNINGS

Crucial safety precautions related to the nitro engine operation.

FUEL WARNINGS

Safety guidelines for handling and using nitro fuel.

GENERAL WARNINGS

Broad safety advice applicable to the entire RC vehicle operation.

INTRODUCTION

POPULAR HOP-UPS FOR MAMMOTH ST NITRO STADIUM TRUCK

Lists optional upgrade parts available for customization.

RECOMMENDED TOOLS AND SUPPLIES

WHAT FUEL DO I USE?

Guidance on selecting the appropriate fuel for the engine.

DO I NEED TO USE A FUEL BOTTLE?

Explains the necessity and use of a fuel bottle.

HOW DO I REMOVE THE GLOW PLUG?

Details the tool needed for glow plug maintenance.

WHAT DO I USE TO IGNITE THE GLOW PLUG?

Describes the device used to start the engine's glow plug.

DO I NEED TO PURCHASE EXTRA GLOW PLUGS?

Advises on having spare glow plugs for engine operation.

BECOMING FAMILIAR WITH YOUR MAMMOTH ST NITRO STADIUM TRUCK

Radio System Overview

Explains the functions and parts of the Hitec Aggressor radio system.

Vehicle Component Identification

Identifies key mechanical and structural parts of the truck.

PREPARING TO RUN YOUR MAMMOTH ST NITRO STADIUM TRUCK

STEP 1: FINAL ASSEMBLY

Instructions for completing the initial physical assembly of the truck.

STEP 2: RANGE CHECKING THE RADIO CONTROL SYSTEM

Procedure for ensuring radio system functionality and range.

STEP 3: DOUBLE-CHECK THE STEERING AND THROTTLE/BRAKE CONTROLS

Verifying the proper operation of steering and throttle/brake functions.

BECOMING FAMILIAR WITH THE XTM RACING 24.7 NITRO ENGINE

Engine Carburetor Anatomy

Identifies the parts of the engine's carburetor.

Idle Stop Screw Adjustment

Details how to adjust the idle stop screw for proper idling.

High Speed Needle Valve

Explains the function and adjustment of the high-speed needle valve.

Low Speed Needle Valve

Explains the function and adjustment of the low-speed needle valve.

FUELING AND STARTING THE XTM RACING 24.7 NITRO ENGINE

Fueling the Tank

Instructions on how to safely fill the fuel tank.

Priming the Engine

Procedure for preparing the engine for starting.

Starting the Engine

Step-by-step guide to starting the nitro engine.

BREAKING IN THE XTM RACING 24.7 NITRO ENGINE

Fuel and Glow Plug Recommendations

Advises on suitable fuels and glow plugs for break-in.

Engine Break-In Procedure

Detailed steps for properly breaking in the new engine.

Fine Tuning the Engine

Guidance on adjusting needle valves for optimal performance after break-in.

BASIC ENGINE MAINTENANCE

Air Filter Cleaning

Instructions for cleaning and re-oiling the air filter element.

Glow Plug and After-Run Oil

Procedures for glow plug care and using after-run oil.

General Cleaning and Checks

Regular maintenance tasks for the engine and chassis.

INSTALLING THE BODY

TUNING GUIDE - MAKING CHASSIS ADJUSTMENTS

ADJUSTING THE BRAKE LINKAGE

How to properly set and adjust the truck's brake system.

ADJUSTING THE TOE ANGLE

Adjusting wheel alignment for steering characteristics.

ADJUSTING THE CAMBER ANGLE

Modifying tire angle for surface contact and handling.

ADJUSTING THE 2-SPEED TRANSMISSION SHIFT POINT

Fine-tuning when the transmission shifts gears.

ADJUSTING SHOCK SPRING TENSION

Adjusting suspension stiffness and ride height.

ADJUSTING SHOCK DAMPENING AND REPLACEMENT SHOCK SPRINGS

Modifying shock oil and springs for terrain handling.

ADJUSTING THE FRONT AND REAR DIFFERENTIALS

Tuning differential action for turn performance.

MAINTAINING YOUR MAMMOTH ST NITRO STADIUM TRUCK

Air Filter Maintenance

Cleaning and maintaining the air filter.

Chassis and Component Checks

Regular inspection of screws, linkages, and bearings.

Fuel System and Battery Checks

Ensuring the fuel lines and batteries are in good condition.

Gear Mesh Adjustment

Proper setting of gears for smooth drivetrain operation.

TROUBLESHOOTING GUIDE

Radio System Troubleshooting

Solutions for common issues with the radio control system.

Engine Troubleshooting

Diagnosing and fixing problems with the nitro engine.

Chassis Troubleshooting

Addressing common issues related to the truck's chassis and drivetrain.

SECTION 1: ASSEMBLY MANUAL

Exploded View Diagrams

Visual breakdowns of the truck's components for assembly/disassembly.

SECTION 2: REPLACEMENT PARTS DRAWINGS AND PARTS LIST

Spare Parts Identification

Visual catalog of individual spare parts with numbers.

OPTION PARTS

Shock and Spring Options

Various shock springs and related parts for tuning.

Gear and Transmission Options

Upgrade parts for the drivetrain and transmission.

Differential and Suspension Options

Parts for tuning differentials and suspension geometry.

Engine and Fuel System Options

Optional parts for engine performance and fuel delivery.

IMPORTANT WARRANTY INFORMATION

Warranty Coverage and Service

Details on warranty period, coverage, and service procedures.

Radio System Warranty

Specific instructions for warranty claims on the radio system.

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