EGO ST1520 Operator's Manual page 30

PROBLEM
Trimmer head will
not advance line.
Grass is wrapped
around trimmer
head and motor
housing.
The blade is not
cutting the line.
Cracks on the
trimmer head or
the spool retainer
comes loose from
spool base.
30
56-VOLT LITHIUM-ION CORDLESS 15" STRING TRIMMER—ST1520 & ST1520S
CAUSE
◾
The motor shaft or trimmer
head is bound with grass.
◾
There is not enough line on
the spool or the line breaks
from the eyelet.
◾
The line is tangled.
◾
The line is too short.
◾
Cutting tall grass at ground
level.
◾
The line-cutting blade on
the edge of the guard has
become dull.
◾
The trimmer head is worn
out.
◾
The nut that locks the
trimmer head is loose
SOLUTION
◾
Stop the trimmer, remove the
battery, and clean the motor shaft
and trimmer head.
◾
Remove the battery and replace
the cutting line follow "LINE
REPLACEMENT" section in this
manual.
◾
Remove the battery; remove the line
from the trimmer head and rewind
following "RELOAD THE CUTTING
LINE" section in this manual.
◾
Remove the battery and pull the
lines manually while alternately
pressing down and releasing the
trimmer head.
◾
Cut tall grass from the top down,
removing no more than 8 inches in
each pass to prevent wrapping.
◾
Follow instructions to sharpen the
line-cutting blade with a file or
replace it with a new blade.
◾
Replace the trimmer head
immediately; follow the section
"TRIMMER HEAD REPLACEMENT"
in this manual.
◾
Open the trimmer head and use an
impact wrench to tighten the nut.