Texas A/S BC 300 Manuel D'utilisation page 23

14. Troubleshooting
PROBLEM
Engine will not start
Engine starts, but
will not accelerate
Engine starts, but
will only run at full
throttle with half
choke.
Engine will not reach
full speed and
produces a lot of
smoke.
Engine starts, runs
and accelerates, but
will not run in idle.
Twine cannot be
extended.
Grass getting twisted
around drive shaft
and twine housing.
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POSSIBLE CAUSE
1. No spark.
2. No fuel.
3. Engine flooded.
4. Starter cord requires
more effort than when
new.
Carburetor needs
adjustment.
Carburetor needs
adjustment, repair or
cleaning.
1. Check fuel mix ratio.
2. Air filter dirty.
3. Carburetor needs
adjustment.
Carburetor needs
adjustment.
1. Twine melted.
2. Insufficient twine on
spool.
3. Twine worn down.
4. Twine tangled with
spool.
5. Engine RPM too low. Advance twine at full throttle.
1. High grass being cut
at ground level.
2. Trimmer used at low
RPM.
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SOLUTION
Check spark plug. Remove spark plug,
connect lead and place plug on cylinder
block. Pull starter cord. Check for spark.
Repeat process with new spark plug if not
spark appears.
Press fuel pump button. If problem recurs,
contact dealer/repair shop.
Remove spark plug, turn trimmer over so
that spark plug hole points downwards.
Set choke to "Run" and pull starter cord
10 – 15 times. Clean spark plug. Replace
in engine. Renew if necessary.
Pull starter cord 3 times with choke set to
"Run". If engine fails to start, set choke to
"Choke" and perform normal start
procedure. If engine still fails to start,
repeat procedure with a new spark plug.
Contact dealer/repair shop.
Contact repair shop.
Contact repair shop.
Use new fuel with correct mix ratio.
Clean or replace.
Contact repair shop.
Contact repair shop.
Replace. Trimmer operating too close to
stones and walls.
Fit more twine.
Advance twine while alternatively
pressing and releasing twine housing.
Remove twine from spool, roll on once
more.
Cut grass from top and down.
Use trimmer at high RPM.
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