Operator`s manual

TITLE633GC / 633F4 OPERATOR’S MANUAL

CARBURETOR

• Thefunctionofthecarburetoristomixfuelwithair.

Adjustmentsotherthanidlespeedshouldbemadebya

servicing dealer.

• Before adjusting the engine idle speed, make sure the air

filter is clean and the engine is warmed up.

T – Idle Screw is adjusted so that the engine idles smoothly

but the clutch does not engage.

• If saw has been running satisfactorily and there is a

gradual decrease in power and drop in RPM at full throttle,

the filter may have become dirty or saturated with water.

GUIDE BARS

• Thebarisdesignedtobeusedonbothsides.Ifthecutisconsistentlyleadingtooneside,turn

the bar over to expose a new set of rails.

• Atablemountedbeltordiscsandercanbeusedtosquaretherailsofawornbar.Abadlyworn

barcanquicklydamageanexpensivechain.Ifthechainistouchingthebottomofthebargroove,

replace the bar.

• Checktheguidebarforstraightness.Minoradjustmentscanbemadebybendingthebarslightly.

• Properchaintensionwillextendbarlife.Seepage9.

• Undersomecircumstances,especiallylowwaterpressure,thesprocketnosecanwearout

beforetheguidebarbody.SprocketnosereplacementkitsmaybepurchasedfromanAuthorized

Dealer(part#70249).

• Spraythechainandbarwithlightweightoilforstorage.

• Storebarwiththesprocketnoseup.

• Periodicallycleanthewaterportsinsidethegrooveofthebarusingasmalldiameterpieceof

wire.WaterportcleanersareavailablefromanAuthorizedDealer.

• Thebarissolelyaguidetrackforthechain.Neverusethebartolift,twistorpryconcrete

material.

MAINTENANCE

Carburetor idle screw