Black & Decker GST43 Instruction Manual page 26

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