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9

Know Your Product

See Figure 1.

The safe use of this product requires an understanding of the 

information on the tool and in this operator’s manual as well 

as a knowledge of the project you are attempting. Before 

use of this product, familiarize yourself with all operating 

features and safety rules, in both this manual and the opera

-

tor’s manuals for all attachments that your are using with 

this power head.

Engine

The engine is powerful and easy to start. It is effectively 

counterbalanced, which allows for less vibration and more 

durability.

Ergonomic Design

The design of the product provides for easy handling. It is 

designed for comfort and ease of grasp when operating in 

different positions and at different angles.

Features

Figure 1

Front Handle

Throttle 

Trigger

Engine

Knob

On/Stop 

Switch

Choke 

Lever

Fuel 

Cap

Starter 

Grip and 

Rope

Features

Product Specifications

Name Specification

Engine 

25.4 cc Full Crank

Weight 

8.5 lbs.

Summary of Contents for 51945

Page 1: ...rench FR and Spanish ES WARNING To reduce the risk of injury the user must read and understand the operator s manual Save this manual Form No 3369 610 Rev A If you have questions concerning your trimm...

Page 2: ...lever to RUN and pull the starter cord If the engine does not start within 5 pulls refer to To Start a Cold Engine later in this manual Flooded Engine Will the engine start If not it may be flooded R...

Page 3: ...12 Fueling and Refueling the Trimmer 12 Oxygenated Fuels 12 Operating the Power Head 13 Blade Thrust 13 Starting the Product 14 Stopping the Product 14 Maintenance 15 18 Cleaning the Product 15 Servi...

Page 4: ...e space below Model No Serial No Read this manual carefully to learn how to operate and maintain your product correctly Reading this manual will help you and others avoid personal injury and damage to...

Page 5: ...your body away from any moving part To avoid hot surfaces never operate the unit with the bottom of the engine above waist level Do not touch area around the muffler or cylinder of the unit these par...

Page 6: ...y gloves when operating the brushcutter and when installing or removing blades Always stop the engine and remove the spark plug wire before attempting to remove any obstruction caught or jammed in the...

Page 7: ...OL NAME EXPLANATION Safety Alert Indicates a potential personal injury hazard Read Operator s Manual To reduce the risk of injury user must read and understand opera tor s manual before using this pro...

Page 8: ...tructions are easily visible to the operator and are located near any area of potential danger Replace damaged or lost labels Part No 940686099 Part No 940964006 Part No 940864003 Product Labels ON ST...

Page 9: ...ts that your are using with this power head Engine The engine is powerful and easy to start It is effectively counterbalanced which allows for less vibration and more durability Ergonomic Design The d...

Page 10: ...duct or create accessories not recommended for use with this product Any such alteration or modification is misuse and could result in a hazardous condi tion leading to possible serious personal injur...

Page 11: ...n indicated by the arrow on the shaft angling the handle toward the throttle trigger 3 Place the front handle along the upper shaft to a position that allows for comfortable operation 4 Place the hand...

Page 12: ...ix unleaded gasoline and 2 cycle engine lubricant in a clean container approved for gasoline DO NOT mix quantities larger than usable in a 30 day period Recommended fuel This engine is certified to op...

Page 13: ...rtial throttle will result in lubricant dripping from the muffler WARNING Always hold the power head and attachment away from the body keeping clearance between the body and the product Any contact wi...

Page 14: ...starter handle sharply until engine attempts to start no more than 4x 5 Set the choke lever to HALF 6 Pull starter handle until engine runs no more than 6 pulls 7 Set the choke lever to RUN NOTE In c...

Page 15: ...r eye protection with side shields marked to comply with ANSI Z87 1 along with hearing protection Head protection may also be required depending on the type of attach ment used and as prescribed in th...

Page 16: ...hold the cover Note Removing these screws requires the use of a T20 and T25 torx screwdriver 2 Remove the cover 3 Remove the two screws holding the muffler assembly in place 4 Remove the muffler asse...

Page 17: ...op the cutting attachment or contact a service dealer for adjustment and discontinue use until the repair is made Serious personal injury may result from the cutting attachment turning at idle Idle Sp...

Page 18: ...nter restore high altitude modified engines to the original factory specification before operating below 2000 feet Maintenance Emissions Maintenance Schedule Maintenance replacement or repair of the e...

Page 19: ...mes This clears excess fuel from the engine Clean and reinstall the spark plug With the trigger fully depressed pull the starter cord 3 times If the engine does not start set the choke lever to FULL a...

Page 20: ...ay contrary to the operat ing instructions as specified in the Operator s Manual This warranty does not apply to any damage to the Gas Power Head that is the result of improper maintenance or to any G...

Page 21: ...s from the date the non road or small off road engine is purchased by the initial purchaser c The warranty on emissions related parts will be interpreted as follows Any warranted part that is not sche...

Page 22: ...Notes...

Page 23: ...ized service dealer To locate your nearest authorized service dealer for this product contact us toll free at 1 866 574 9242 US or 1 866 574 9243 Canada Techtronic Industries North America Inc P O Box...

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