Craftsman Essential 4200 Watt Generator Manual for Maintenance and Operation
Page 14

Retorque Head Bolts

After the first 50 hours of operation, you must retorque the head bolts to 4.0 kg.-m. (22 ft.-Ibs.)

IMPORTANT: If you feel uncomfortable about doing this procedure or you don't have the proper tools,

please take the unit to your nearest service center to retorque the head bolts. This is a very important step to insure the longest life for your engine.

NOTE: Only perform this adjustment after the first 50 hours of operation. The head bolts will need no further adjustment.

•Torque sequence is as follows: A, B, C, D, E (star pattern).

C

AB

D

Adjusting Valve Clearance

After the first 50 hours of operation, you should adjust the valve clearance in the engine.

IMPORTANT: If you feel uncomfortable about doing this procedure or you don'thave the proper tools, please take the unit to your nearest service center to have the valve clearance adjusted. This is a very important step to insure the longest life for your engine.

To adjust valve clearance:

•Make sure the engine is at room temperature.

•Make sure that the spark plug wire is removed from the spark plug and out of the way.

•Remove the breather tube from the valve cover.

•Remove the four screws attaching the valve cover with a #2 or 3 phillips screwdriver.

•Make sure the piston is at Top Dead Center (TDC) of its compression stroke (both valves closed). To get the piston at TDC, pull on the recoil handle slowly watching the piston through the spark plug

hole. As you pull on the recoil handle the piston should move up and down. The piston is at TDC

when it is up as high as it can go.

•Using a 10mm wrench, loosen the rocker arm jam nut. Use an 8mm allen wrench to turn the pivot ball

stud while checking clearance between the rocker

arm and the valve stem with a feeler gauge. Correct clearance is 0.002-0.004 inch

(0.05-0.1 mm).

NOTE: You must hold the rocker arm jam nut in place as you turn the pivot ball stud.

 

Feeler

Allen Wrench

Gauge

(_ Loosen

Jam Nut

When valve clearance is correct, hold the pivot ball stud in place with the allen wrench and tighten the rocker arm jam nut. Tighten the jam nut to

65-85 inch-pounds torque. After tightening the jam nut, recheck valve clearance to make sure it did not change.

Tighten Jam Nut to 65-85 inch-pounds

•Reattach the valve cover, making sure the gasket between the valve cover and cylinder head is in place. Start all four screws before tightening or you will not be able to get all the screws in place.

•Reattach the breather tube.

•Reattach the spark plug wire to the spark plug.

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Contents Operating Instructions Before using this product, read thisManual and follow all its Safety Rules Sears, Roebuck and Co, Hoffman Estates, ILLimited Warranty for Deluxe Portable Generators Consumer CommercialExplosion Assembling the Wheel KIT Carton ContentsTo Remove the Generator From Carton Know Your Generator 120/240 Volt AC, 20 Amp Receptacle Cord Sets and Connector PlugsVolt AC Duplex Receptacle Volt AC, 30 Amp ReceptacleAdd Gasoline HOW to USE Your GeneratorGrounding The Generator Before Starting The GeneratorStopping the Engine Connecting Electrical LoadsTo Start The Engine Operating Automatic Idle ControlVolt D.C Charging a BatteryTo recharge 12 Volt batteries, proceed as follows Device Load Watts Dont Overload GeneratorReference Guide Generator Maintenance Maintenance ScheduleProduct Specifications General RecommendationsChecking Oil Level Engine MaintenanceClean/Replace Spark Plug Changing Engine Oil and Oil FilterTo clean or replace paper air filter Service Air CleanerClean Spark Arrester Screen Clean and inspect the spark arrester screen as followsRetorque Head Bolts Adjusting Valve ClearanceTo adjust valve clearance Protect Fuel System GeneralLong Term Storage Change OilCorrection ProblemCause Page BLK LH Craftsman 4200 Watt AC GeneratorQlC Craftsman 4200 Watt AC Generator Main Unit m Exploded View Not Illustrated Craftsman 4200 Watt AC Generator Main Unit m Parts ListQty Description Pa # Qty Description B1431 PANEL, Control 83975 BOX, Control Item Qty. Description Engine, 7.8 HP, Generac Power Systems, EHC LO0 25OPan # PaN # Qty Description Qty Description 94820 Page What is Covered What is not CoveredOperacion 33-38 Page Juego DE Ruedas Para Retirar EL Generador DE LAConozca SU Generador Tomacorrientes de 120/240 Voltios, 20 Amperios Juegos DE Cordones Y Enchufes ConectoresTomacorrientes Doble de 120 Voltios Tomacorrientes de 120 Voltios AC, 30 AmperiosConexion a Tierra del Generador Como Usar SU GeneradorAntes DE Darle Arranque AL Generador Agregue GasolinaParade del Motor Para Darle Arranque AL MotorFuncionamiento DEL Control Automatico DE Marcha EN Sistema de Apagado por Baja Presion de AceiteDeteccion de Baja Presion Operacion EN Clima FrioCarga DE LA Bateria Arranques SucesivosNo Sobrecargue EL Generador Guia DE Referencia DE VatiajeRecomendaciones Generales Programa DE MantenimientoEspecificaciones DEL Producto Mantenimiento DEL GeneradorRevision del Nivel de Aceite Mantenimiento DEL MotorPara limpiar el Generador Cambio de Aceite del Motor y FiltroProporcione Servicio al Depurador de Aire Limpie la Pantalla ApagachispasVuelva a Apretar los Pernos de Cabeza Ajuste de la Separacion de las VlvulasOtras Sugerencias Para EL Almacenamiento GeneralidadesAlmacenamiento Para Periodos Prolongados Problema Page Page QUE Esta Cubierto Sears

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