MAINTENANCE SRM-225
38 X7722279402
© 2/2016 ECHO Inc.
4. Hold trimmer head while
turning knob clockwise to
wind line onto spool until
about 13 cm (5 in.) of each
line remains exposed.
Trimmer head is now fully
loaded and ready for operation.
When the wear indicators located
at the bottom of the Speed-Feed®
head are worn smooth, or if holes
appear, replacement of the cover
or the entire Speed-Feed® head
is required.
Sharpening Metal Blades
Three styles of metal blades are
approved for use on the ECHO Brush
Cutter. The 8-tooth blade can be
sharpened during normal maintenance.
The clearing blade and 80 tooth blade
require professional service.
Before sharpening, CLOSELY inspect
blade for cracks (look at the bottom of
each tooth and the center mounting hole
closely), missing teeth and bending. If
ANY of these problems are discovered,
replace the blade.
When sharpening a blade, always remove the same amount of materials from
each tooth to maintain balance. A blade that is not balanced will cause unsafe
handling due to vibration and can result in blade failure.
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