Echo 73050 Owners Manual v.1 - Manual (Page 13)

11
Troubleshooting
a) Broken or damaged belts.
b) Broken spindle.
c) Failed bearings.
a) Cutting string too weak.
b) Growth is too thick or
heavy.
a) Cutting string too weak.
b) Drive belts are loose or
worn.
c) Growth is too thick or
heavy.
a) Drive belts are loose or
worn.
a) Gas tank is empty.
b) Spark plug wire is discon-
nected.
c) Spark plug is defective.
d) Gas line is obstructed.
(bail disconnected)
e) Dirty, stale, water-
contaminated gas.
f) Flooded engine.
g) Dirty or plugged air cleaner
or engine cooling fins.
a) Replace belts.
b) Repair spindle.
c) Repair bearings.
a) Replace with heavier cutting
string (155 mil).
b) Reduce trimming area to 1/2
size or raise the trimmer
head off the ground slightly
to trim top portion of growth.
Follow with trimmer head on
the ground again.
a) Replace with heavier cutting
string (155 mil).
b) Replace drive belts.
c) Reduce size of trimming
area in half. Raise the
trimmer head off the ground
slightly to trim top portion of
growth. Follow with trimmer
head on the ground again.
a) Replace drive belts.
a) Fill gas tank.
b) Connect loose wire to spark
plug.
c) Replace spark plug.
d) Remove gas line at carbure-
tor and check for obstruc-
tion. Drain gas tank and refill
with fresh, clean gasoline.
e) Drain tank and fill with fresh,
clean unleaded gasoline.
f) Put throttle control in run
position and crank engine
several times to clear out
excess gas.
g) Clean air cleaner and re-
place. Clean cooling fins
and shroud area of engine.
1. Cutting strings do not
turn.
2. Cutting is slow or rough.
3. Trimmer requires exces-
sive power or stalls.
4. Drive belts squealing or
smoking.
5. Engine won't start or is
hard to start.
Problem Probable Cause
Suggested Remedies