Troubleshooting; Using Troubleshooting Chart - Efco DS 2400D-PU Operator's Instruction Manual

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.
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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.
Engine starts but will not accelerate
properly:
Engine starts but will not run properly at
high speed.
Engine does not reach full speed and / or
emits excessive smoke
Engine starts, runs, and accelerates but
will not idle.
*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.
20

TROUBLESHOOTING

POSSIBLE CAUSE
1. No spark
2. Flooded engine.
Carburetor requires "L"
adjustment.
Carburetor requires "H" (High jet)
adjustment.
1. Check oil fuel mixture.
2. Air filter dirty.
3. Spark arrester screen dirty.
4. Carburetor requires "H" (High jet)
adjustment.
Carburetor requires adjustment.
SOLUTION
1. Check Spark. Remove spark plug
cover. 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 (CMR7H).
2. With the ignition switch off, remove
spark plug. Move choke lever to Run
position and pull
20 times. This will clear excess fuel
from engine.
spark plug. 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.
(Low jet) * Contact a Servicing Dealer for
carburetor adjustment.
* Contact a Servicing Dealer for
carburetor adjustment.
1. Use fresh fuel and the correct 2-cycle
oil mix.
2. Clean per instructions in Maintenance-
Air Filter Section.
3. Clean per instructions in Maintenance-
Spark Arresting Muffler Section.
4. * Contact a Servicing Dealer for
carburetor checking.
Turn idle speed screw "T" clockwise to
increase idle speed. (If cutting attachment
turns at idle, turn idle speed screw "T"
counterclockwise to decrease speed);
see Operation-Carburetor Adjustment.
starter cord 15 to
Clean and reinstall