Echo 99944200418, Installation Instructions Manual

blade

conversion

kit

 P/N 99944200418

blade

conversion

kit

 P/N 99944200422

Models:  

ALL SRM Models 

X7672230405

06/15

b

lade

 c

onversion

 k

it

i

nstallation

 i

nstructions

  WARNING  

You must install a Barrier Bar or U-Handle Kit and all Blade Conversion parts shown in the following instruc-

tions before operating this unit with blades, otherwise serious injury may result.

IMPORTANT

If non-standard monofilament heads, METAL/PLASTIC blades or cultivators etc., are used, THE CARBURETOR 

MUST BE RESET or serious engine damage can occur.  See "Carburetor Adjustment" in the unit Operator's Manual.

TO USE THESE 

BLADES

Pro Maxi-Cut  Grass/Weed  

Blade

Rigid Plastic Tri-Cut   

Grass / Weed Blade

Metal Blade

You must install 

these parts

Support Handle, w/or w/o 

Barrier Bar

U-Handle or Support 

Handle w/Barrier Bar

U-Handle or Support 

Handle w/Barrier Bar

Narrow Plastic Shield w/

Knife

Narrow Plastic Shield 

w/Knife

Wide Plastic Shield

Harness

Harness

Harness

Upper Plate & Flat Washer Upper Plate & Glide 

Cup

Upper/Lower Blade 

Plates

Hex Nut

Hex Nut

Hex Nut

New Cotter Pin

New Cotter Pin

New Cotter Pin

•  WARNING!  DO NOT INSTALL BLADES ON GT (CURVED SHAFT) MODEL TRIMMERS

•  Arbor diameter of Upper Blade Plate must match arbor diameter of blades.

•  New cotter pin required each time blade is installed.

•  Brush Cutters over 16.5 lbs (7.5 kg) dry weight (weight w/o fuel) require a double shoulder harness

•  The Barrier Bar is used to restrict rearward movement of the unit. The Barrier Bar is NOT A HANDLE and should not  

    be gripped when using or carrying the unit.