ON.[
.
A too lean high speed setting
– Then,turnscrewclockwisein1/16ofaturnin-
(cloclmvise adjustment) will cause en “ne
%
crementsonZyuntilthe enginehaspowerwhile
damage from overheating and lack of lu ri-
cutting.
cation. Never set the high speed mixture
screw so far clockwise that you have high
NQIXh Iftheunitwillnotoperateproperlyafter
speed but lack ower while cutting. An ef-
{
makingtheseadjustments,takethesawtoaquali-
fective approac follows.
fiedservicedealer.
– Turn screw counterclockwiseuntil engine
NOTE: Beforereinstallingtheairfiltercover,be
losespowerwhilecutting.
sureairfilterisclean(seetheAirFiltersection).
E. AIR FILTER
●
●
1.
2.
3.
4.
A dirty air filter:
—
reducescuttingpower.
—
increasesfuelconsumption.
Clean the air filter:
– frequently,especiallyunderverydustycondi-
tions.
– alwaysafterIOtanksoffuelmixtureor5hours
ofoperation,whicheverisless
Cleanoffcarburetorcoverandtheareaaroundit
tokeepdirtandsawdustfromfallingintothecar-
buretorchamberwhenthecoverisremoved.
Removethecarburetorcoverscrewsandcarbure-
torcover.Figure43.
Pullouttheairfilter.
Washthefilterinsoapandwater.
~ Donotuse gasoline or other flam-
mable liquid to clean the filter to avoid
creating a fire hazard.
F. CHAIN BRAKE
1.
2.
3.
4.
Keep the clutch drum and brake band clean
andfreeofsawdust,treesap,anddirtsothebrake
willstopthechainintheshortestpossibletime.
Clean entire mechanism thoroughly andap-
plya goodqualitylubricatinggreaseto thelatch
andlatchrollerevery10tanksoffuelorevery5
hoursofoperation,whicheverisless.Do notallow
oil or grease to get on band or drum. Figure 44.
Inspect the assembly for worn or damaged
parts afterevery20 tanksof fuelor 10hoursof
operation,whicheveris less. Wornor damaged
partsshouldbereplacedbyanAuthorizedService
Dealerbeforethesawisoperatedagain.Onlygen-
uinePoulanreplacementpartsshouldbeused.
Check to see if the brake works properly af-
ter any maintenance. Ifchaindoesnotappear
ter
Figure 43
5. Align the choke sh~tter with the choke lever. Re-
installthe air filter cover.
o
N: I Toavoid damage to engine, do not
operate unit without the air filter in place.
\\
Latch Roller
/
Brake Band
to stop_instantly,takethe unit toyour neares~Au-
1
thorized ServiceDealerfor replacement or repair.
Figure 44
G. STORAGE
When storing saw for over 30 davs. alwavs: 3. Drainoilfromoiltank.
1.
2.
“, .
Drain fuel tank in a safe manner. See “Fueling
o
YourEngine–-Fuel Safety.”
‘: 1Wearprotective gloveswhen han-
dling the chain. The chain is sharp and can
cut you even when it is not moving.
Start en~ne and allow to ‘mn at idle speed until
the engine stops.
NOTE: Running the engine until it stopswill re-
4.
move most of the fuel from the fuel system.
5.
NOTE: It is important to prevent gum deposits
from forming in essentialfuel systemsparts such
6.
asthecarburetor,fuelfilter,fuelhose,ortankdur-
ing storage. Alcohol blended fuels (calledgasohol
7.
or using ethanol or methanol) can attract mois-
8.
ture which leads to separation and formation of
acids during storage. Acidic gas can damage the
fuel system of an engine while in storage.
– 20-
Remove, clean, and dry the bar and chain.
Storethechain inacontainerfilledwithoilto pre-
vent rust.
Apply a coating of oil to the entire surface of the
bar and wrap it in heavypaper,cloth, or plastic,
Cleanthe outside surfaces of the engine.
Store the saw in a dry place, out of the reach of
children, and away from where fuel vapors can
reach open flames from hot water heaters, fur-
naces, etc.
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