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Craftsman 917.20391 Operator's Manual
Also see for 917.20391: Operator's manualOperator's manual
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12TO USE CRUISE CONTROLThe cruise control feature can be used forforward travel only.SYSTEM CHARACTERISTICSThe cruise control should only be usedwhile mowing or transporting on relativelysmooth, straight surfaces. Other conditionssuch as trimming at slow speeds may causethe cruise control to disengage. Do not usethe cruise control on slopes, rough terrianor while trimmimg or turning.• With forward drive pedal (K) depressed todesired speed, pull cruise control lever (J)up and hold while lifting your foot off thepedal, then release the lever.To disengage the cruise control, depress thebrake pedal or tap on forward drive pedal.ATO ADJUST MOWER CUTTING HEIGHTThe position of the attachment lift lever (A)deter mines the cutting height.• Put attachment lift lever in desired cuttingheight slot.The cutting height range is approximately 1to 4" (25,4 to 101,6 mm). The heights aremeasured from the ground to the blade tipwith the engine not running. These heightsare approximate and may vary dependingupon soil conditions, height of grass andtypes of grass being mowed.• The average lawn should be cut to approxi-mately 2-1/2" (63,5 mm) during the coolseason and to over 3" (76,2 mm) duringhot months. For healthier and better look-ing lawns, mow often and after moderategrowth.• For best cutting performance, grass over6" (152,4 mm) in height should be mowedtwice. Make the first cut relatively high; thesecond to desired height.TO OPERATE MOWERYour tractor is equipped with an operatorpresence sensing switch. Any attemptby the operator to leave the seat with theengine running and the attachment clutchengaged will shut off the engine. You mustremain fully and centrally positioned in theseat to prevent the engine from hesitating orcutting off when operating your equipmenton rough, rolling terrain or hills.1. Select desired height of cut with attach-ment lift lever.2. Start mower blades by engaging attach-ment clutch control.TO ADJUST GAUGE WHEELSGauge wheels are properly adjusted whenthey are slightly off the ground when moweris at the desired cutting height in operatingposition. Gauge wheels then keep the deckin proper position to help prevent scalpingin most terrain conditions.NOTE: Adjust gauge wheels with tractor ona flat level surface.1. Adjust mower to desired cutting height(See “TO ADJUST MOWER CUTTINGHEIGHT” in this section of manual).2. With mower in desired height of cut posi-tion, gauge wheels should be assembledso they are slightly off the ground. Installgauge wheel in appropriate hole. Tightensecurely.3. Repeat for all, installing gauge wheel insame adjustment hole.3/4”9/16”57• Muévase hasta el lado izquierdo de la corta-dora e inserte un resorte de retención grande(G) a través del agujero del eslabón delantero(E) detrás de la escuadra de suspensióndelantera (F).• Inserte el otro extremo del eslabón (E) en elagujero de la escuadra derecha de la cortadorade césped (H) y asegure con una arandela yun resorte de retención pequeño (J).NOTA: Requiere levantar la plataforma.9. INSTALE LA CORREA EN LA POLEA DELEMBRAGUE DEL MOTOR (M)• Desenganche la varilla tensora de la correa(K) de la escuadra de bloqueo (L).• Instale la correa en la polea del embraguedel motor (M)M. Polea DelEmbragueDel MotorMUbicaciónDel EslabónDelanteroEGFME. Conjunto De EslabonesDe Levantamiento DelanterosF. Escuadra De Suspensión DelanteraG. Resorte De Retención GrandeH. Escuadra De La Cortadora De Césped DelanteraJ. Resorte De Retención PequeñoM. Polea Del Embrague Del MotorJH8. INSTALE EL ESLABÓN DELANTERO (E)• Gire el volante hasta ubicar las ruedas dere-chas en posición de avance.• Desde la parte delantera del tractor, inserte elextremo de varilla del eslabón delantero (E) através del agujero delantero de la escuadrade suspensión delantera del tractor (F).DCUC. Eslabones De Levantamiento TraserosD. Escuadra Trasera Derecha De LaCortadora De CéspedU. AgujeroIMPORTANTE: Verifique que la trayectoria dela correa sea correcta en todos los surcos de lapolea de la cortadora de césped y debajo de lascubiertas de mandril.• Enganche la varilla tensora de la correa (K)en la escuadra de bloqueo (L).PRECAUCIÓN: la varilla tensora de la correaestá accionada por resorte. Sostenga la varillafirmemente apretada y engánchela lentamente.• Haga segadora ascender a su posición mássuperior.• Si es necesario, ajuste las rueditas del calibreantes de poner en funcionamiento la corta-dora, como se ilustra en el capítulo de Manejode este manual.PARA REEMPLAZAR LA CORREA DE LASEGADORARealice el procedimiento descrito en “PARAREEMPLAZAR LA CORREA DE LA CUCHILLADE LA SEGADORA” en este del capítulo de estemanual. |
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