Troy-Bilt TB539 ES - User Manual

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Operator’s Manual

4-Cycle Gas Trimmer

TB539 ES

TABLE OF CONTENTS

Service Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1

Rules for Safe Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2

Know Your Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4

Assembly Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4

Oil and Fuel Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4

Starting/Stopping Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . .4

Starting using the Electric Starter Accessory . . . . . . . . . . . . . . . . .4

Operating Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5

Maintenance & Repair Instructions . . . . . . . . . . . . . . . . . . . . . . . . .5

Cleaning and Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7

Troubleshooting Chart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8

Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8

Warranty Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .E12

All information, illustrations, and specifications in this manual are based

on the latest product information available at the time of printing. We

reserve the right to make changes at any time without notice.

SAVE THESE INSTRUCTIONS

For service call 1-800-828-5500, or 1-800-668-1238 in Canada to

obtain a list of authorized service dealers near you. For more details

about your unit, visit our website at www.troybilt.com or

www.troybilt.ca.

If you have difficulty assembling this product or have any questions

regarding the controls, operation or maintenance of this unit, please

call the Customer Support Department.

DO NOT RETURN THE UNIT TO THE RETAILER. PROOF OF

PURCHASE WILL BE REQUIRED FOR WARRANTY SERVICE.

THIS PRODUCT IS COVERED BY ONE OR MORE U.S. PATENTS.

OTHER PATENTS PENDING.

Service on this unit both within and after the warranty period should

be performed only by an authorized and approved service dealer.

Before beginning, locate the unit’s model plate. It lists the model and

serial numbers of your unit. Refer to the sample plate below and copy

the information for future reference.

Copy the serial number here:

Copy the model and parent part number here:

PART NO. 769-05338 P00 (11/09)

DO NOT RETURN

THIS PRODUCT

For Assistance please call 1-800-828-5500 (U.S.) or

1-800-668-1238 (Canada)

or visit www.troybilt.com

In an effort to reduce the impact on the forests,

and reduce carbon and greenhouse gas

emissions, MTD is using less paper by reducing

the text size of this manual.

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Do you have a question about the Troy-Bilt TB539 ES and is the answer not in the manual?

This document is the Operator's Manual for the Troy-Bilt 4-Cycle Gas Trimmer, model TB539 ES. It provides comprehensive information on the device's function, technical specifications, usage, and maintenance.

Function Description:

The Troy-Bilt TB539 ES is a 4-cycle gas trimmer designed for cutting grass and light weeds, edging, and decorative trimming around trees, fences, and similar objects. As a gas-powered unit, it offers mobility and power for outdoor landscaping tasks. The 4-cycle engine design means it uses straight gasoline and separate oil, eliminating the need for fuel mixing. It features an EZ-Link™ system, allowing it to be used with various optional attachments, transforming it into a versatile multi-tool for different outdoor tasks. These attachments include a Mach 4 Trimmer, Hedge Trimmer, Brushcutter, Blower/Trimmer, Blower Vacuum, Cultivator, Edger, Pole Saw, Straight Shaft Trimmer, Snow Thrower, and Turbo Blower.

Important Technical Specifications:

Engine Type: Air-Cooled, 4-Cycle
Displacement: 1.8 cu. in. (29 cc)
Operating RPM: 6,800+ rpm
Idle Speed RPM: 2,800 - 3,600 rpm
Ignition Type: Electronic
Ignition Switch: Rocker Switch
Valve Clearance: 0.003-0.006 in. (0.076-0.152 mm)
Spark Plug Gap: 0.025 inch (0.635 mm)
Lubrication: SAE 30 Oil
Crankcase Oil Capacity: 3.04 oz (90 ml)
Fuel: Unleaded
Carburetor: Diaphragm, All-Position
Starter: Auto Rewind
Muffler: Baffled with Guard
Throttle: Manual Spring Return
Fuel Tank Capacity: 14 oz (414 ml)
Drive Shaft Housing: Steel Tube (EZ-Link™)
Throttle Control: Finger-Tip Trigger
Approximate Unit Weight (No fuel, with handle, cutting attachment and shield): 11.5-13.0 lbs (5.2-5.9 kg)
Cutting Mechanism: SpeedSpool 2®
Line Spool: Bump Line Releaser
Line Spool Diameter: 4 inches (101.6 mm)
Trimming Line Diameter: .095 inches (2.41 mm)
Cutting Path Diameter, Trimmer Head: 17 inches (43.2 cm)
Spark Arrestor: Factory equipped, replacement part #753-05297 Muffler Assembly.

Usage Features:

Starting/Stopping: The manual provides detailed instructions for starting the 4-cycle engine, including priming the bulb, setting the choke, and pulling the starter rope. It also covers stopping the engine using the On/Off Stop Control.
Electric Starter Compatibility: The unit is designed to be started with an optional electric starter or Power Start Bit™ accessory, offering an alternative to manual pull-start.
EZ-Link™ System: This key feature allows for quick and easy attachment and removal of various optional add-ons, enhancing the trimmer's versatility. Instructions for installing and removing attachments are provided, emphasizing the use of the primary hole for add-ons to prevent injury or damage.
Holding the Trimmer: Proper operating posture is described, including holding the unit with both hands, maintaining balance, and ensuring the cutting attachment is parallel to the ground at waist level.
Adjusting Trimming Line Length: The Bump Head™ cutting attachment allows users to release more trimming line by lightly tapping the head on the ground while operating at high speed. A blade on the cutting attachment shield automatically cuts the line to the proper length.
Trimming Techniques: Recommendations are given for optimal trimming, such as operating at full throttle, keeping the cutting attachment parallel to the ground, and working from top to bottom in small increments for efficient cutting and to avoid premature line wear or engine drag. Cutting from right to left is suggested for improved efficiency and to direct clippings away from the operator.
Decorative Trimming: Instructions for decorative trimming involve rotating the unit to a 30° angle to the ground.
Safety Features: The unit includes a cutting attachment shield and emphasizes the importance of wearing safety glasses or goggles, ear/hearing protection, long pants, boots, gloves, and a long-sleeve shirt during operation. It also warns against operating without the fuel cap securely in place and inside closed rooms due to exhaust fumes.

Maintenance Features:

Regular Maintenance Schedule: The manual outlines a maintenance schedule, including checking oil, cleaning and re-oiling the air filter, changing oil, cleaning the spark arrestor, checking rocker arm to valve clearance, and checking spark plug condition and gap at specified intervals (e.g., every 10 hours, every 25 hours).
Oil and Fuel Information: Specific instructions are provided for adding the correct type and amount of SAE 30 oil to the crankcase and using clean, fresh unleaded fuel. Warnings about gasoline flammability and proper fueling procedures are highlighted.
Air Filter Maintenance: Instructions for cleaning and re-oiling the air filter are detailed, including removing the air filter cover, washing the filter in liquid detergent, rinsing, and applying fresh engine oil.
Spark Plug Replacement: Guidance on replacing the spark plug, including the correct gap (0.025 in. / 0.635 mm) and torque specifications (110-120 in. lb. / 12.3-13.5 N•m), is provided.
Spark Arrestor Maintenance: Steps for cleaning the spark arrestor screen are included to prevent fire hazards and maintain engine performance.
Carburetor Adjustment: Basic troubleshooting for carburetor issues is mentioned, with a recommendation to take the unit to an authorized service dealer for adjustment if needed.
Valve Clearance Adjustment: Detailed instructions are provided for checking and adjusting the valve clearance (0.003-0.006 in. / 0.076-0.152 mm), which involves removing engine covers and using a feeler gauge. This is a more advanced maintenance task.
Line Installation: Instructions for installing new 0.095 in. (2.41 mm) replacement line, including aligning arrows on the cutting head knob, feeding the line through eyelets, and winding it around the spool.
Removing Old Line/Obstructions: Steps for removing the bump cap and clearing old or jammed line from the cutting head are provided.
Cleaning and Storage: Recommendations for cleaning the unit's exterior, allowing the engine to cool before storage, securing the unit, and storing it in a dry, well-ventilated area out of reach of children. Long-term storage instructions include draining gasoline from the tank and carburetor, adding oil to the cylinder, and thorough cleaning.
Troubleshooting Chart: A comprehensive chart helps users diagnose and resolve common issues such as the engine not starting, not idling, not accelerating, lacking power, stalling, or the cutting attachment not advancing line.
Warranty Information: Details on the product warranty are included, emphasizing the need for proof of purchase for warranty service and that service should be performed by an authorized dealer.