26 • ENGLISH
TROUBLESHOOTING
Problem
Check
Status
Cause
Remedy
Engine cranks -
starts hard/doesn’t
start
Fuel at carburetor
No fuel at carburetor
• Fuel dtrainer clogged
• Fuel line clogged
• Carburetor
• Clean or replace
• Clean or replace
• See your BLACK+DECKER
Service Center
Fuel at cylinder
No fuel at cylinder
Carburetor
See your BLACK+DECKER
Service Center
Muffler wet with fuel
Fuel mixture too rich
• Open choke
• Clean/Replace air filter
• Adjust carburetor
• See your BLACK+DECKER
Service Center
Spark at end of plug
wire
No spark
• Stop switch off
• Electrical problem
• Interlock switch
• Turn switch to ON
(I)
• See your BLACK+DECKER
Service Center
Spark at plug
No spark
• Spark gap icorrect
• Covered with carbon
• Fouled with fuel
• Plug defective
• Adjust to 0.65mm (.026”)
• Clean or replace
• Clean or replace
• Replace plug
Engine runs, but
dies or does not
accelerate properly
Air filter
Air filter dirty
Normal wear
Clean or replace
Fuel filter
Fuel filter dirty
Contaminants/
residues in fuel
Replace
Spark plug
Plug dirty/worn
Normal wear
Clean and adjust or replace
Carburetor
Improper adjustment
Vibration
Adjust
Cooling system
Cooling system dirty/
plugged
Extended operationin
dirty/dusty locations
Clean
Engine does not
crank
N/A
N/A
Internal engine
problem
See your BLACK+DECKER
Service Center