Echo SRM - 311 Operator's Manual page 29

T
ROUBLESHOOTING
P roblem C h eck
F uel at carburetor
F uel at cylinder
E ngine
cranks -
starts hard/
doesn't
start
S park at end
of plug wire
S park at plug
A ir filter
F uel filter
F uel vent
E ngine
runs,
S park P lug
but dies or
does not
accelerate
C arburetor
properly
C ooling S ystem
S park A rrestor
S creen
E ngine
d n
oes ot N/A
c
rank
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.
E N GIN E P R OB LE M TR OU B LE S H OOTIN G C H AR T
S tatus
No fuel at
carburetor
No fuel at cylinder
Muffler wet with fuel F uel Mixture too rich
No spark
No spark
A ir filter dirty
F uel filter dirty
F uel vent plugged
P lug dirty/worn
Improper
adjustment
E xcessive
dirt/debris
S creen cracked,
plugged, or
perforated
N/A
WARNING
G T
RASS RIMMER
O
PERATOR
C ause
F uel strainer clogged
F uel line clogged
C arburetor
C arburetor
S top switch off
E lectrical problem
Interlock switch
S park gap incorrect
C overed with carbon
F ouled with fuel
P lug defective
Normal wear
C ontaminants/residues
in fuel
C ontaminants/residues
in fuel
Normal wear
V ibration
E xtended operation in
dirty/dusty locations
Normal wear
Internal engine problem
DANGER
/B C
RUSH UTTER
' M
S ANUAL
R em ed y
C lean or replace
C lean or replace
S ee your E cho dealer
S ee your E cho dealer
Open choke
C lean/replace air filter
A djust carburetor
S ee your E cho dealer
Turn switch to ON
S ee your E cho dealer
S ee your E cho dealer
A djust to .65mm (0.026 in.)
C lean or replace
C lean or replace
Replace plug
C lean or replace
Replace
C lean or replace
C lean and adjust or replace
A djust
C lean
Replace
S ee your E cho dealer
29