6. TROUBLESHOOTING.
6.1.
Engine Troubleshooting - N.B. all corrective actions should be carried out by suitably qualified
person/s.
Problem
Check
Status
Cause
Remedy
Engine cranks.
or
Starts hard.
or
Does not start.
Fuel at
Carburettor
No fuel at
Carburettor
Fuel filter blocked.
Fuel line blocked or
clogged.
Carburettor.
Clean or replace.
Clean or replace.
Contact dealer.
Fuel at Cylinder
No Fuel at
cylinder
Carburettor
Contact dealer.
Exhaust wet
with fuel
Fuel mixture too rich
Open Choke.
Clean/replace air
filter.
Adjust carburettor.
Contact dealer.
Spark at end of
Plug wire
No spark
Stop switch OFF.
Electrical problem.
Interlock switch.
Turn switch to ON.
Contact dealer.
Contact dealer.
Spark at Plug
No spark
Spark gap incorrect.
Covered with carbon.
Fouled with fuel.
Defective plug.
Adjust to 0.6mm.
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 fuel.
Fuel vent
Fuel vent
blocked
Clear vent
Clear or replace.
Spark plug
Plug dirty or
worn
Normal wear
Clean, adjust or
replace.
Carburettor
Improper
adjustment
Vibration
Adjust.
Cooling system
Excessive heat
Extended operation in
dirty/dusty locations
Clean and let
machine cool down.
Spark arrestor
screen
Screen cracked,
or perforated
Normal wear
Replace.
Engine does not
crank
N/A
N/A
Internal engine problem
Contact dealer.
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Summary of Contents for HYBC3000
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