MAINTENANCE
thefiltertospread
theoiland
to
remove
excessoil
[Fig.
16].
Reinstallthe filter air filter
cover.
Note: lf the unit is operated
witha dry or dirtyfilteror with-
outtheairfilterand/orcarburet-
tor/airfilter cover,you will void
wananty.
Note:Fuel
Filter.When
themo-
torrunsshortoffuel
supply
and
the tank has gasoline in it,
check the fuel filter for block-
age.
CARBURETTOR
ADJUST-
MENT
This unit is equipped
with a
diaphragm-type
slide carburetor
that
hasbeencarefully
calibrated
at
thefactory.
In mostcases
no fur-
ther
adjustmentwill
berequired.
The condition
of the air filteris
importantto the operation
of the
edger.
A dirtyairfilterwillrestrict
theairflow,which
upsetsthe
fuel-
airmixtureinthecarburettor.
The
resulting
symptomsare
often
mis-
taken
foranout-of-adjustment
car-
burettor.
Therefore.check
thecon-
ditionof
theairfilter
beforeadjust-
ing
thecarburettor.
lfthefollowing
conditions
areexpe-
rienced,
it may be necessary
to
adjustthecarburettor:
o Themotor
willnotidle.
. The
motorhesitatesorstallson
acceleration.
. Thelossofmotor
power
thatis
notcorrected
by cleaningthe
airfilter
andmuffler.
AIRFILTER
MAINTENANCE
Note:Cleanandre-oilthe airfilter
Every5 hoursof operation
ordaily.
The air filter is one of the most
importantareas
to maintain.lf it is
not maintained,
you will void the
warranty.Before cleaning,
make
sure
theunitisturnedoff.
FIG16
Washthe
filterindetergent
and
waler
[Fig.75l.Rinse
thefilter
thoroughly
andallow
ittodry.
Applyenough
cleantwo-stroke
oilorSAE
30oiltosaturate
the
filterwhen
squeezed.
Squeeze
1.
2.
l4
MAINTENANCE
(cont'd)
. Themotor
operatesin an er-
ratic or fuel-richcondition
(indicated
by excessiveex-
haust
smokefrom
themuffler).
Note: Carelessadjustments
canseriously
damage
the car-
bureftor
and/ormotor.
ADJUSTINGTHECARBU-
RETTOR
1. Cleanairandfuelfilter
if it is
dirty.RefertoAirFilterMainte-
nance
(Page
74).Throttletrig-
ger
tobeinidle
position.
Fuel Filter:Whenthe motor
runsshort
of fuelsupplyand
the tank has gasoline
in it,
cleanthefuelfilterforblockage
[Fis.17]
2. ThrottleCable:The normal
play
is1-2mm
whenmeasured
at the carburetor
side.Re-
adjustwith
the cable
adjustor
asrequired.
3. Engineldling
Setting:To in-
creasemotoridlespeed,turn
clockwiseldle screw
( ) [Fig.
191lo decrease
motor idle
speed, turn counter(anti)-
clockwise.
Note:
Edger
bladenottorotate
whenmotorisidling.
Note:Throttlecablewireis not
to be pulled tight (againsttrig-
ger throttle). Trigger.tohave
smallinitialmovementbeforeit
pullscable and carby throttle
lever.
Note:Forcingthe high speed
mixturescrew (B) (withscrew-
driver) will damagethe screw
tipandthe seatinthecarburet-
tor body.Closehigh speed
jet
andopen2.5 turns! 1/2turn
[Fis 1e].
Set1/2throttlelock
[Fig.
I page
70l.Startthe motorandlet it
runfor
afew
seconds-
Release1/2throttlelockandlet
the motoridle.
lf the motor
stops,turnthe idlescrew
(A)
clockwise1/8turn at a time
(as required)until the motor
idles.lf idlespeedit too high
turn idle screw (A) counter
(anti)-clockwise.
3.
4.
FIG17
