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Troy-Bilt AST TB75SS User Manual

Troy-Bilt AST TB75SS
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Operator's Manual
2 -Cycle Gasoline
Model TB75SS or
IMPORTANT: READ SAFETY RULES AND INSTRUCTIONS CAREFULLY
P/N 769-00734 (4/03)
PRINTED IN USA
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Troy-Bilt AST TB75SS Specifications

General IconGeneral
Engine Type2-Cycle
Engine Displacement25 cc
Attachment CapableYes
Cutting SystemDual Line
Shaft TypeStraight
Handle TypeLoop Handle
Cutting Width17 in.
Line Diameter0.095 in.
Starting SystemSpringAssist

Summary

Introduction and Service Information

SERVICE INFORMATION

Provides information on obtaining service, authorized dealers, and warranty service requirements for the unit.

PRODUCT REFERENCES, ILLUSTRATIONS AND SPECIFICATIONS

Details product information, illustrations, and specifications for accuracy, noting the right to make changes.

Safety Notices

SPARK ARRESTOR NOTE

Important note for users on US Forest Land and specific states regarding spark arrestors and fire prevention.

CALIFORNIA PROPOSITION 65 WARNING

Warning about engine exhaust chemicals known to cause cancer or reproductive harm in the state of California.

Rules for Safe Operation

SAFETY ALERT SYMBOL

Explains the use of safety alert symbols to indicate potential dangers and require attention to avoid injury.

DANGER, WARNING, CAUTION SYMBOLS

Defines the meaning and implications of DANGER, WARNING, and CAUTION safety symbols for user awareness.

IMPORTANT SAFETY INSTRUCTIONS

Provides critical instructions for safe operation to prevent injury to operators and bystanders.

SAFETY WARNINGS FOR GAS UNITS

Details specific safety precautions for gasoline-powered units, focusing on flammability and vapor explosion risks.

Operating and General Safety Guidelines

WHILE OPERATING

Covers safe practices during unit operation, including personal protective gear, handling, and environmental awareness.

OTHER SAFETY WARNINGS

Provides additional safety advice covering unit storage, transport, cleaning, and general care to prevent hazards.

Safety Symbols and Specific Warnings

SAFETY AND INTERNATIONAL SYMBOLS

Explains various safety symbols and pictographs found on the product and within the operator's manual.

WEAR EYE AND HEARING PROTECTION

Stresses the importance of wearing appropriate eye and hearing protection to prevent severe injury during operation.

KEEP BYSTANDERS AWAY

Advises maintaining a safe distance for children, pets, and bystanders from the operating area to prevent injury.

Know Your Unit

APPLICATIONS

Describes the primary uses of the trimmer, such as cutting grass, weeds, edging, and decorative trimming.

Assembly Instructions

INSTALLING AND ADJUSTING THE D-HANDLE

Guides on correctly attaching and positioning the D-handle for optimal user grip and control during operation.

INSTALLING THE CUTTING ATTACHMENT SHIELD

Instructions for correctly fitting the cutting attachment shield to the unit for essential safety.

Oil and Fuel Information

OIL AND FUEL MIXING INSTRUCTIONS

Essential guidance on properly mixing 2-cycle oil and unleaded gasoline for engine operation.

USING BLENDED FUELS

Provides precautions and recommendations when using blended fuels, emphasizing fresh fuel and proper agitation.

USING FUEL ADDITIVES

Recommends using fuel additives for corrosion inhibition and minimizing gum deposit formation.

Starting/Stopping Instructions

STARTING INSTRUCTIONS

Step-by-step guide on how to safely start the trimmer engine, including EZ-Start technology.

STOPPING INSTRUCTIONS

Details the correct procedure for safely shutting down the trimmer engine.

Operating Instructions

OPERATING THE EZ-LINK™™ SYSTEM

Explains how to attach, remove, and use optional EZ-Link system accessories with the trimmer.

REMOVING THE CUTTING ATTACHMENT OR ADD-ONS

Provides safety precautions and steps for safely detaching cutting attachments or accessories from the unit.

INSTALLING THE CUTTING ATTACHMENT OR ADD-ONS

Guides on securely attaching cutting attachments or optional accessories to the trimmer unit.

Trimmer Operation Details

HOLDING THE TRIMMER

Describes the correct posture and grip for operating the trimmer safely and effectively.

ADJUSTING TRIMMING LINE LENGTH

Explains how to release and maintain optimal trimming line length using the bump head mechanism.

TIPS FOR BEST TRIMMING RESULTS

Offers techniques and advice for efficient and effective grass trimming, edging, and line wear.

DECORATIVE TRIMMING

Details the method for performing decorative trimming around objects like trees, posts, and fences.

Maintenance and Repair Instructions

MAINTENANCE SCHEDULE

Outlines the required maintenance procedures and their frequencies for optimal engine performance.

LINE INSTALLATION FOR THE SPEEDSPOOL®

Instructions on how to install or replace trimming line in the SpeedSpool system.

SpeedSpool Line Installation

WINDING THE INNER REEL WITH NEW LINE

Step-by-step guide for winding new trimming line onto the inner reel of the SpeedSpool.

INSTALLING A PRE-WOUND REEL

Instructions for replacing the trimmer line using a pre-wound SpeedSpool reel.

SpeedSpool Maintenance and Parts

RELEASING THE INNER REEL

Describes how to correctly release trimming line if it does not advance automatically.

CLEANING THE SPEEDSPOOL®

Details procedures for cleaning the SpeedSpool to ensure proper operation and prevent jams.

SPEEDSPOOL® REPLACEMENT PARTS

Lists part numbers for SpeedSpool replacement components like line, reels, and knobs.

Air Filter Maintenance

REMOVING THE AIR FILTER/MUFFLER COVER

Instructions for safely removing the air filter and muffler cover for maintenance.

CLEANING THE AIR FILTER

Guides on cleaning and re-oiling the air filter to maintain engine performance and warranty.

REINSTALLING THE AIR FILTER/MUFFLER COVER

Steps for correctly reattaching the air filter/muffler cover after maintenance.

Spark Arrestor Maintenance

Carburetor Adjustment

CHECK FUEL MIXTURE

Advises checking fuel mixture as a common solution for performance issues before adjustment.

CLEAN AIR FILTER

Highlights the importance of a clean air filter for correct air/fuel mixture and engine operation.

ADJUST IDLE SPEED SCREW

Details how to adjust the idle speed screw for smooth engine idling.

Spark Plug Replacement

Storage and Transport

LONG TERM STORAGE

Provides instructions for preparing the unit for extended periods of storage, including draining fuel.

TRANSPORTING

Outlines safety precautions and steps for safely transporting the trimmer.

Replacement Parts

ACCESSORIES/REPLACEMENT PARTS

Lists available replacement parts and accessories for the unit, referring to the parts list.

Troubleshooting

ENGINE WILL NOT START

Lists potential causes and actions for when the engine fails to start.

ENGINE WILL NOT IDLE

Provides solutions for issues related to the engine not idling properly.

ENGINE WILL NOT ACCELERATE

Offers causes and remedies for problems with engine acceleration.

ENGINE LACKS POWER OR STALLS WHEN CUTTING

Addresses common causes and solutions for loss of power or stalling during use.

Specifications

ENGINE SPECIFICATIONS

Lists detailed technical specifications for the engine, including type, displacement, and RPM.

DRIVE SHAFT & CUTTING ATTACHMENT SPECIFICATIONS

Provides technical details for the drive shaft, cutting mechanism, and dimensions.

EPA Emission Control Warranty Statement

YOUR WARRANTY RIGHTS AND OBLIGATIONS

Explains the owner's responsibilities and rights regarding the emission control warranty.

OWNERS WARRANTY RESPONSIBILITIES

Details the owner's duties for maintaining the unit to ensure warranty coverage.

MANUFACTURER'S WARRANTY COVERAGE

Outlines the terms and duration of the manufacturer's warranty for emission control systems.

TB75SS Parts List

ENGINE PARTS - MODEL TB75SS

Lists and illustrates engine components specific to the TB75SS model.

TB75SS Boom and Trimmer Parts

BOOM AND TRIMMER PARTS - MODEL TB75SS

Lists and illustrates boom and trimmer components for the TB75SS model.

TB25CS Parts List

ENGINE PARTS - MODEL TB25CS

Lists and illustrates engine components specific to the TB25CS model.

TB25CS Boom and Trimmer Parts

BOOM AND TRIMMER PARTS - MODEL TB25CS

Lists and illustrates boom and trimmer components for the TB25CS model.

Manufacturer's Limited Warranty

HOW TO OBTAIN SERVICE

Provides information on where and how to get warranty service and locate authorized dealers.

WARRANTY EXCLUSIONS

Lists conditions and situations not covered by the limited warranty, such as misuse or neglect.

TROY-BILT LLC RESERVES THE RIGHT TO CHANGE DESIGN

Notes the manufacturer's right to modify product designs without assuming obligation for prior models.

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