EMAK Oleo-Mac BC 241 D, Operators Instruction Book

Page: 30 / 164

13. TROUBLESHOOTING
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 all the possible causes have been checked and the problem is not resolved, consult an
Authorised Service Centre. If a problem occurs that is not listed in this table, consult an Authorised
Service Centre.
PROBLEM POSSIBLE CAUSES SOLUTION
Engine will not start or will
run only a few seconds
after starting.
1. No spark
2. Flooded engine.
1. Watch for spark at spark plug
tip. If there is no spark, repeat
test with a new spark plug
(CMR7H).
2. Follow procedure page 19. If
engine still fails to start, repeat
procedure with a new spark
plug.
Engine starts but will not
accelerate properly or will
not run properly at high
speed.
Carburetor requires
adjustment.
Contact a Servicing Dealer for
carburetor adjustment.
Engine does not reach full
speed and / or emits
excessive smoke
1. Check oil fuel mixture.
2. Air filter dirty.
3. Carburetor requires
adjustment.
1. Use fresh fuel and the correct
2-cycle oil mix.
2. Clean per instruction in
Maintenance-Air Filter Section.
3. Contact a Servicing Dealer for
carburetor adjustment.
Engine starts, runs and
accelerates but will not
idle.
Carburetor requires
adjustment.
Turn idle speed screw “T”
(Fig. 9) clockwise to increase idle
speed. See Operation-Carburetor
Adjustment.
Engine starts and runs, but
cutting attachment is not
rotating
Clutch, bevel drive or
transmission shaft damaged
Replace if necessary - contact a
Servicing Dealer
WARNING: Do not attempt to carry out repairs without the necessary repairs and
technical expertise. Poorly executed repairs will automatically invalidate the warranty and
relieve the manufacturer of all liability.
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