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Manafacture: Husqvarna File size: 2.53 mb File name: NOUS1995_530083380.pdf Language of manual:

While holding down pulley ratchet with thumb, push several inches of rope back into fan housingand catch in notch. Either hold pulley ratchet withthumborholdstarter rope handle. Retain rope in the notch and slowly altow pulley toturncounterclockwise untiltensionisgone. • Remove the pulley screw in the center of the pultey. ° Gently twist and lift pulley while rotating counterclockwise. Pulley StaH_aer_ #. "_-_Screw Rope . Figure 45 ° Removethe roperetainerscrewand removeany remaining rope. • Move away from the fuel tank and melt the end of the new rope to be installed,Allow the melted end to drop once.Then, while the rope is stillhot, pull the meltedend througha rag to obtain a smooth pointed end. ° Feed rope throughstarter rope hole in starter housing. • Guidetheropeinsidethepulley,thenupthroughthe pulley hole. It may be necessary to push the rope through with a small Phillips screwdriver inserted into the small hole on the underside of the pulley. • Wrap rope counterclockwisearound the pulley ratchet and tuck loose end back under rope, leaving a 1" tail between the retainer rib and screw post. • Pull rope to tighten. • Installthe rope retainer screw and tighten untilsnug. Do not over-tighten. • Rewind all the rope onto the pulley in a clockwisedirection. Starter _ Housing_ _" I r_ _ !_'"--'--' Starter Rope Figure 46 • Twistandpushpulleyintostarterhousing. • Replace and tighten the pulley screw. ,_ _ Rope Retainer "_,/ _\ /Screw P Figure 47 _ _23 SERVICE AND ADJUSTMENTS • Pullout 10"ofropeandcatchropeinnotchinthepulley. • Carefully turn the pulley two complete turns clockwise, keeping the rope againstthe notchto wind the spdng. • While holding the pulley ratchet, pull the excess rope through the starter rope hole.While holding tension on the rope, let rope slowlyrewindintothe housing. Wind Up Spring r _,.: Rewind for- Tension Figure48 "C_' ° _T._._ • Reinstall fan housing by aligningthe fan housingto the chassis.Then while holdingthe fan housingagainst the chassis, pull the rope handleout until you feet the fan housing drop into place againstthechassis. Slowly,let the rope rewind into starter housing. • Reinstall the 4 fan housing screws and tighten the 2 cylindercoverscrews. Figure44. r • -24 SERVICE AND ADJUSTMENTS CARBURETOR ADJUSTMENTS Carburetor adjustment is critical and if done improper ly can permanently damage the engine as well as the carburetor. Please read all instructions and consult the Trouble Shooting section of this manual before beginning this process. If the engine does not operate according to these instructions after repeating the adjusting steps, do not use the uniL For further assistance, please call our customer assistance hotline at 1-800-235-5878. WARNING': THE CHAIN WILL BE MOVING DURING MOST OF THIS PROCEDURE. WEAR YOUR PROTECTIVE EQUIPMENT AND OBSERVE ALL SAFETY PRECAUTIONS. IN "LOW SPEED MIXTURE ADJUflTME_" RECHECK IDLE SPEED AFTER EACH ADJUSTMENT. THE CHAIN MUST NOT _t MOVE AT IDLE SPEED. If engine does not start, it may be flooded, if indoubt, read the section on fleoded engine in the starting section of this manual prior to beginning any adjustments. The carburetor has been adjusted at the factory for sea level conditions.Adjustments may become necessaryif the saw is used at significantly higher altitudes or if you notice any of the following conditions: • Chain moves when the engine runs at idle speed. See "ldte Speed Adjustment." • Saw will not idle. See "Idle Speed Adjustment" and "Low Speed Mixture Adjustment." • Engine dies or hesitates when it should accelerate. See "Aoceteration Adjustment." • Loss of cutting power which is not corrected by air filter cleaning. See "High Speed Mixture Adjustment." NOTE -There are three adjustments on the carburetor. • The Idle Speed Adjustment is marked withthe letter "T." • The two remaining adjustments on the carburetor are the mixture adjustments. One is marked "L" for low speed, and the other "H" for high speed. r::_ CARBURETOR PRESETS (Fig. 49) Ifyourenginewiltnotstartdueto suspectedimpropercarburetoradjustment, the followingpresetsmay be required. If used, it is recommended that all steps withinthe adjustmentprocedurebecompletedinordertoassurea properly set carburetor.If presets are not needed, proceed to section "Idle Speed Adjustment." When makingadjustments,be careful not toforcethe plastic limiter caps beyondthe stops or damage willoccur. Very small adjustmentscanaffect engineperformance.It is importantto make slightadjustmentsandtestperformance before proceeding. Each adjustment°shouldbe no more than 1/16 of a turn. •Tum both of the mixture adjustments clockwise until they stop,Do not overtightenas damage to the needles will occur • Turnboth mixture adjustments counterclockwiseone full turn • Turnthe idle speed adjustment clockwiseuntilitstops Now turn countemlockwise4-1/2 turns • If enginefails to start after performingcarburetor presets, the unit may be ftooded. Review the "Difficult Starting" section of the manual. If p...

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