Troubleshooting, English – Echo WT160S Owners Manual v.2 User Manual
Page 15
wheeled trimmer
11
ENGLISH
Section
pRobLEm
poSSIbLE cauSE
REmEdY
Trimmer disk does not turn.
Broken off or damaged belts.
1.
Broken spindle.
2.
Failed bearings.
3.
Replace belts.
1.
Repair spindle.
2.
Repair bearings.
3.
Cutting is slow or rough.
Cutting string is too weak.
1.
growth is too thick or heavy.
2.
Engine not running at full RPM.
3.
Replace with heavier cutting string (.155).
1.
Reduce the trimming area by half or raise
2.
the trimmer head off the ground.
Speed up engine to full throttle.
3.
Trimmer requires excessive
power or stalls.
Cutting string is too long.
1.
drive belt is loose or worn.
2.
growth is too thick or heavy.
3.
Belt too tight
4.
Reduce cutting string length.
1.
Replace drive belt.
2.
Reduce the trimming area by half or raise the
3.
trimmer head slightly off the ground.
Move spindle hub assembly towards the rear
4.
of the trimmer.
drive belt squealing or smok-
ing.
drive belt is loose or worn.
1.
Worn or damaged pulley.
2.
Replace drive belt.
1.
Replace pulley.
2.
Engine won't start or
is hard to start.
gas tank is empty.
1.
Spark plug wire is
2.
disconnected.
Spark plug is defective.
3.
gas line is obstructed
4.
dirty, stale, water-
5.
contaminated gas.
Flooded engine.
6.
dirty or plugged air cleaner or
7.
engine cooling fins.
Trimmer bail not engaged.
8.
Fill gas tank.
1.
Connect loose wire to the spark plug.
2.
Replace spark plug.
3.
Remove gas line at carburetor and check for
4.
obstruction. drain gas tank and refill with
fresh gasoline.
drain tank and fill with fresh gasoline.
5.
Put throttle control in run position and crank
6.
engine several times to clear out excess
gas.
Clean or replace air cleaner. Clean cooling
7.
fins and shroud area of engine.
Engage trimmer bail
8.
drive belt rolling or falling off
pulleys.
Pulley not aligned.
1.
Belt not tensioned properly.
2.
Spindle bearing failed.
3.
Align pulleys.
1.
Tension belt with 70 lbs of force.
2.
Replace bearing.
3.
drive chain falling off
self-propelled models.
Loose chain.
1.
Worn chain.
2.
Worn sprocket.
3.
Sprocket not aligned.
4.
Tighten chain.
1.
Replace chain.
2.
Replace sprocket.
3.
Align drive sprocket and wheel clutch
4.
assembly with washers.
6
TRoubLESHooTING
Before performing any of the corrections in this troubleshooting chart, refer to the appropriate information contained in
this manual for the correct safety precautions and operating or maintenance procedures. Contact your dealer or the
factory for service problems with the machine.