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99922205595

@2020 ECHO Incorporated. All Rights Reserved. 

Before inspecting or servicing any part of this machine, shut off power source, disconnect spark plug wire from spark plug 

and make sure all moving parts have come to a complete stop.

WARNING

Subject:

  Pro-line Head Kit

Kit: 

 99944400000

Model:

  WT-1610, WT-1610T, 

 

 WT-1610HSP

SAFETY

Your safety and the safety of others is important. 

Valuable safety messages are provided in these 

instructions. Please carefully read and obey these 

messages.
1.  Improper use or abuse of the Trimmer Line Holder 

can result in serious injury.

2.  Do not install or operate the Trimmer Line Holder 

on the Wheeled Trimmer with any safety device 

or guard removed, incorrectly installed, changed, 

inoperative or in poor condition.

3.  Do not use bent, fractured, dulled or damaged 

Trimmer Line Holders.

4.  Do not operate the Wheeled Trimmer in the vicinity 

of bystanders. Keep a minimum distance of 100 

feet away from people and pets.

5.  Do not allow children or an inexperienced operator 

to use the Wheeled Trimmer.

6.  Wear safety glasses at all times during operation.
7.  Inspect the surrounding area thoroughly before 

use. Remove all foreign objects before operation.

8.  Avoid hitting stones, wire, bottles, rocks, glass, 

cans, metal of any kind and any other foreign 

objects.

9.  Always keep the Trimmer Line Holder maintained 

in good working condition.

INSTALLATION

1.  Inspect kit to verify all items were received.
2.  Remove the front cover. Insert a 9/16" open end 

wrench into trimmer body, rotating the mow ball 

as necessary to engage the trimmer shaft. Turn 

the trimmer head weldment counterclockwise to 

remove.

3.  Remove the existing trimmer head disk and insert 

the Trimmer Line Holder onto the trimmer spindle.

4.  Replace the trimmer head weldment and twist 

clockwise to tighten. Remove wrench and replace 

front cover before operation.

INSTALLING/REMOVING TRIMMER STRING

1.  Slide one end of the trimmer string through the line 

holder along one side of the raised tab (Figure 1).

2.  Loop the string around the raised tab and slide 

through the other side of the line holder.

3.  Make sure the string ends are even and pull to 

ensure the string is snug behind the raised tab.

4.  To remove the string, use a screwdriver (or similar 

object) to loosen the string from behind the raised 

tab. Pull to remove the string from the line holder.

INSTRUCTION SHEET

Pro-Line Head KIT 99944400000

ENGLISH

ESP

AÑOL

FRANCÉS

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