G
RASS
T
RIMMER
/B
RUSH
C
UTTER
O
PERATOR
'
S
M
ANUAL
29
E N GIN E P R OB L E M T R OU B L E S H OOT IN G C H AR T
P ro b lem
C h eck
S tatu s
C au se
R em ed y
E ng ine
cra nks -
starts hard /
do esn't
start
F uel at carb uretor
No fuel at
ca rbure to r
F uel strainer clog ge d
F uel line clog ge d
C arb uretor
C lea n o r re pla ce
C lea n o r re pla ce
S ee your E cho de aler
F uel at cylinder
No fuel at cylinde r
C arb uretor
S ee your E cho de aler
M uffle r wet with fue l F uel M ixture to o rich
Ope n cho ke
C lea n/re place air filte r
A djust carb uretor
S ee your E cho de aler
S pa rk at end
of plug wire
No sp ark
S top switch off
E lectrical prob lem
Interlock switch
Turn switch to ON
S ee your E cho de aler
S ee your E cho de aler
S pa rk at plug
No sp ark
S pa rk ga p incorre ct
C ove red with ca rbo n
F oule d with fue l
P lug d efective
A djust to .6 5m m (0.02 6 in.)
C lea n o r re pla ce
C lea n o r re pla ce
Rep lace plug
E ng ine
runs,
but d ie s or
do es not
accele ra te
pro pe rly
A ir filter
A ir filter dirty
Norm a l wea r
C lea n o r re pla ce
F uel filte r
F uel filte r dirty
C onta m inants/residues
in fue l
Rep lace
F uel vent
F uel vent plug ge d
C onta m inants/residues
in fue l
C lea n o r re pla ce
S pa rk P lug
P lug d irty/worn
Norm a l wea r
C lea n a nd a djust or re pla ce
C arb uretor
Im pro pe r
ad justm e nt
V ibration
A djust
C oo ling S yste m
E xce ssive
dirt/d eb ris
E xtend ed o pe ratio n in
dirty/d usty lo cations
C lea n
S pa rk A rre stor
S cre en
S cre en cra cked ,
plug ge d, or
pe rfo rated
Norm a l wea r
Rep lace
E ng ine
d
oe s
n
ot
c
rank
N/A
N/A
Interna l e ngine p rob le m
S ee your E cho de aler
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.
Summary of Contents for SRM - 311
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Page 31: ...GRASS TRIMMER BRUSH CUTTER OPERATOR S MANUAL 31 NOTES...
