26
P ro b lem
E ngine - starts ha rd
E ngine - doe s not start
C aus e
R em ed y
E ngine
C ranks
F uel at
carburetor
No fuel at
carburetor
F uel stra iner clogge d
F uel line clogge d
C arburetor
C le an
C le an
S ee your E C HO d ealer
F uel at
cylinder
No fuel at
cylinder
C arburetor
S ee your E C HO d ealer
M uffler wet
with fuel
F uel M ixture is too rich
Open choke
C le an/replace air filter
A djust carbure tor
S ee your E C HO d ealer
S park at end
of plug wire
No sp ark
at end of
plug wire
S to p switch off
E lectrical problem
Inte rlock switch
Turn switch on
S ee your E C HO d ealer
S ee your E C HO d ealer
S park at plug
No sp ark
at plug
S park gap incorrect
C overed with carbon
F ouled with fue l
S park plug defe ctive
A djust 0.65mm (0.026in.)
C le an or replace
C le an or replace
Replace plug
E ngine
does not
crank
Vaccum tube switch on
B lower housing not de presse d
Inte rnal engine problem
C orrectly install vacuum
tube
Tighten fan case housing
cover
S ee your E C HO d ealer
E ngine
runs
D ies or accelerate s poorly
A ir filter dirty
F uel filter dirty
F uel vent plugged
S park plug
C arburetor
C ooling system plugged
S park arrestor screen plugged
C le an or replace
Replace
Replace
C le an and adjust/replace
A djust
C le an
C le an
E ngine
runs
properly
B lower does not work,
is weak or uneven.
Unit d oes not vacuum
B lower pipe clogge d, lo ose,
or dam aged .
Vacuum tube clogg ed.
D ebris b ag full.
Unclog
Tighten
Replace
E m pty
T
ROUBLESHOOTING
WARNING DANGER
Fuel vapors are extremely flammable and may cause fire and/or explosion. Never test for ignition spark near an open
spark plug opening, otherwise serious personal injury may result.
