Poulan MX557 Trimmer User Manual


 
6
OPERATING INSTRUCTIONS
It is recommended that the engine not b e
operated for longer than 1 minute at full
throttle.
OPERA TING POSITION
Cut f rom your left to your right.
A
L
W
A
Y
SWE
A
R:
Eye protection
Long pants
Heavy shoes
WARNING: Alwaysweareyeprotec-
tion. Never lean over the trimmer head.
Rocks ordebris canricochetorbethrowninto
eyes and face and cause blindness or o ther
serious injury.
Do not run the engine at a higher speed than
necessary . The cutti ng line wi ll cut efficientl y
when the engine i s run at less than full throttle.
At lower speeds, there is less engine noise and
vibration. The cutting line will last longer and will
be less likely to “weld” onto the spool.
Always release the throttle trigger and allow the
engine to return to idle speed when not cutting.
To stop engine:
S Release the throttle trigger.
S Push and hold the STOP switch in the
STOP position until the engine stops.
TRIMMER LINE ADVANCE
Thetrimmerlinewilladvanceapproximately2
inches (5 cm) each time the bottom of the
trimmerheadis tappedonthegroundwiththe
engine running at full throttle.
The m ost efficient line length is the maximum
length allowed b y the line limiter.Always keep
the shield in place when the tool is being oper-
ated.
To advance line:
S Operate the engine at full t hrottle.
S Holdthetrimmerheadparalleltoandabove
the grassy area.
S Tap the bottom of the trimmer head l ightly on
the ground one time. Approximately 2 inches
(5cm)oflinewillbeadvancedwitheachtap.
Always tap the trimm er head on a grassy area.
Tapping on surfaces such as concrete or as-
phalt can cause e xcessive wear to the trimmer
head. If the line is worn down to 2inches (5cm)
or less,morethan onetap willbe required toob-
tain the most ef ficient line length.
WARNING: Use only 0.080(2 mm)
diameter line. Other sizes of line will not ad -
vance properly and can cause serious injury.
Do not use other materials such as wire,
string, rope, etc. Wire can b reak off during
cutting and become adangerous missilethat
can cause serious injury.
CUTTING METHODS
WARNING: Use minimum speed
anddonotcrowdthelinewhencuttingaround
hard objects (rock, gravel, fence posts,etc.),
whichcandamagethetrimmerhead,become
entangled in the line, or be thrown causing a
serious hazard.
S Thetip of the line does thecutting. Yo uwill
achieve the best performance and
minimumline wear bynot crowding theline
into the cutting area. The right and wrong
ways are shown below .
Right
Wrong
Tip o
f
line does
the cutting.
L
ine crowded into
work area.
S The line will easily remove grass and
weedsfromaroundwalls,fences,treesand
flower beds, but it also can cut the tender
bark of trees or shrubs and scar fences.
S For trimming or scalping, use less than full
throttle to increase line life and decrease
head wear, e specially:
S During light dut y cutting.
S Near objects around which the line can
wrap such as small posts, trees or fence
wire.
S Formowingorsweeping,usefullthrottlefor
a good clean job.
TRIMMING -- Hold the bottom of the trimmer
headabout 3 inches(8 cm)abovetheground
andatanangle.Allow onlythetipof thelineto
make contact. Do not force trimmer line into
work area.
Trimming
3 inches (8 cm)
above ground
SCALPING -- The scalping technique re-
moves unwantedvegetation. Holdthebottom
of the trimmer head about 3 inches (8 cm)
above the ground and at an angle. Allow the
tipofthelinetostrikethegroundaroundtrees,
posts, monum ents, etc. This technique in-
creases line wear.