Echo BRUSHCUTTER - Manual (Page 25)

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ECHO FLEXIBLE WEED/GRASS BLADE
FOR SRM UNITS ONLY
This three-bladed device, with a 10-inch radius, is made of flexible
plastic on a rigid hub. Use in place of a nylon line head on ECHO SRM
series units only. Not for heavy weeds or brush.
WARNING DANGER
A blade made of materials such as plastic or rubber can be
equally as dangerous as a metal blade. Take every precaution
possible when cutting with a blade no matter what material it
is made of.
ECHO MAXI-CUT TM WEED CUTTER
FOR GT AND SRM UNITS
The cutting circle is always at full diameter with this three-bladed,
flail action cutter. Can be used on any ECHO GT or SRM series units
for weed and grass cutting. Follow instructions in the operator’s
manual for proper assembly. Not for cutting brush. Sets of nylon
replacement blades are available.
WARNING DANGER
MAXI-CUT must be used with a plastic debris shield.
ECHO METAL WEED/GRASS BLADE
FOR SRM UNITS ONLY
The 8-inch diameter 8-tooth ECHO Weed/Grass Blade makes short
work of field grass, garden debris and weeds. Handles thick, tough
weeds. Must not be used to cut brush and heavy woody growth.
Needs to be in sharp condition for good results.
WARNING DANGER
Pieces from a cracked metal blade can fly off during operation.
Inspect metal blades for cracks before each use. Discard
cracked blades no matter how small the crack. Cracked blades
can be the result of misuse or improper sharpening.
The blade teeth can be sharpened to a 30-degree edge angle with
a flat file. Use care not to file down into the rounded gullet area of
the tooth or nick the gullet with the file. Nicked or sharp-cornered
gullets can result in tiny stress cracks which keep lengthening until
the blade breaks.
SHARPENING
8-TOOTH
WEED/GRASS
BLADE
30° ANGLE
LEAVE 2MM
RADIUS UNFILED
SHARP CORNER
GULLET MAY CRACK