Troubleshooting; Using Troubleshooting Chart - Efco TR 1551 Manual De Instrucciones

Using Troubleshooting Chart

WARNING: Always stop unit and disconnect spark plug before performing all of the recommended
remedies below except remedies that require operation of the unit.
When you have checked all the possible causes listed and you are still experiencing the problem, see your
Servicing Dealer. If you are experiencing a problem that is not listed in this chart, see your Servicing Dealer for
service.
PROBLEM
Engine will not start or will run only a few
seconds after starting.
(Make sure Ignition switch is in start
position "I")
Engine does not reach full speed and /
or emits excessive smoke
Engine starts, runs, and accelerates but
will not idle.
Engine starts and runs, but bit is not
moving
WARNING: Never touch the bit
while the engine is running.
*Note: This engine complies with EPA (Environmental Protection Agency) regulations which require exhaust emission
control. If your unit exhibits specific performance problems that can not be corrected by the Trouble Shooting Section,
the unit should be taken to a Servicing Dealer for repair.

TROUBLESHOOTING

POSSIBLE CAUSE
1. No spark
.
2. Flooded engine
1. Check oil fuel mixture.
2. Air filter dirty.
3. Muffler dirty.
Carburetor requires adjustment.
1. Incorrect assembly.
2. Bit damaged.
3. Clutch drum damaged.
SOLUTION
1. Check Spark. Remove spark plug from
cylinder. Reattach the spark plug wire
and lay spark plug on top of cylinder.
Pull the starter rope and watch for
spark at spark plug tip. If there is no
spark, repeat test with a new spark
plug (RCJ-7Y).
2. With the ignition switch off, remove
spark plug. Move choke lever to Run
position (pushed in completely) and
pull starter cord 15 to 20 times. This
will clear excess fuel from engine.
Clean and reinstall spark plug. Pull
the choke lever all out and then insert
it completely in order to activate the
semi-acceleration device. Pull starter
three times with choke lever at run.
If engine does not start, move choke
lever to choke and repeat normal
starting procedure. If engine still fails
to start, repeat procedure with a new
spark plug.
1. Use fresh fuel and the correct 2-cycle
oil mix.
2. Clean per instruction in Maintenance-
Air Filter Section.
3. Clean per instructions in Maintenance-
Muffler Section.
Turn idle speed screw "T" clockwise
to increase idle speed. (If bit moves at
idle, turn idle speed screw "T" coun-
terclockwise to decrease speed); see
Operation-Carburetor Adjustment.
1. Contact a Servicing Dealer.
2. Contact a Servicing Dealer.
3. Contact a Servicing Dealer.
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