Bolens 247.77635 Carburetor Adjustment

16

• Remove the two flang e nuts (and hex bolts) w hich

secure the hopper support bracket to the impeller

housing. Retain the h ardware. See Figure 19.

Figure 19

• Pivot the shredder s creen upward as instructed

under the heading Cleaning the Reduction

Chamber.

• Remove the six flange nuts which secure the

hopper inlet guide to the impeller housing. See

Figure 20.

Figure 20

• Carefully separate the ho pper assembly from the

impeller housing and set it aside.

• Insert a piece of woo d into the chute deflector

opening to stabilize the impeller and prevent it from

rotating when removing the shredder blade.

• Remove the two internal hex screws which secure

the shredder blade to the impeller. See Figure 20.

NOTE: Use a 3/16” hex key (Allen) wrench on the

outside of the shredder blade and a 1/2” box (or socket)

wrench on the ins ide of the shredder blad e. See Figure

20. Hold the Allen wrench s tationary and rotate the box

(or socket) wrench to loosen the nut.

• Remove the hex bolt, lock was her, and flat washer

to completely free the shredder blade.

IMPORTANT: If sharpening the blade for reuse, follow

the original angle of grin d as a guide. It is extremely

important that each cutting edge receives an equal

amount of grinding to prevent an unbala nced blade.

An unbalanced blade will cause excessiv e vibration

when rotating at high sp eeds and may cause damage

to the unit. The blade can be tested for balance by

inserting a screwdriver thro ugh its center hole. Remove

metal from the heavy s ide until it is balanced evenly.

IMPORTANT: When reassembling the blade, tigh ten

center bolt to betwee n 45 ft.-lbs and 60 ft.-lbs and th e

two out bolts to between 20 ft.-lbs and 25 ft.-lbs.

Carburetor Adjustment

The carburetor on this engine is low emission. It is

equipped with a non-adjustabl e idle mixture valve and

governed idle. Governed idle and top speed hav e been

set at the factory. If adjustment is required, see a Sears

Service Center.

NOTE: Engines operated at about 3000 to 5000 feet

(900 to 1500 meters) above sea level may require a

high altitude carbureto r nozzle. If erratic performance is

observed, contact a Sears Service Center for cost to

install/purchase a high altitude carburetor nozzle, if

available.

Flange Nuts

Support

Bracket

chute deflector

Shredder

Blade

Hex Bolt, Lock Washer

& Flat Washer

Flange

Nuts

Weld Studs

Internal

Hex Screws

Inlet

Guide

Impeller

Contents

Main CHIPPER SHREDDER Operators Manual Content Page 247.776350 TABLE OF CONTENTS PRODUCT SPECIFICATION Limited Warranty on Craftsman Chipper Shredder WARRANTY SAFETY WARNING: TRAINING PREPARATION OPERATION MAINTENANCE AND ST ORA GE WARNING: This is a generic representation of the emission label typically found on a certified engine. After July 1, 2000, Look For Emissions Compliance Period On Engine Emissions Compliance Label Removing Unit From Carton Loose Parts In Carton 1. Lowering the Chipper Chute ASSEMBLY 1. 2. 2. Attaching The Debris Collection Bag Emptying the Debris Collection Bag Know Your Chipper Shredder Operating Controls (See Figure 6) WARNING: OPERATION Engine Meets ANSI safety standards Stopping Engine WARNING: CAUTION: Gas And Oil Fill-up Oil (one 20-oz. bottle included) Starting Engine WARNING: NOTE: WARNING: Shredding Clearing the Hopper Chipping WARNING: Cleaning the Reduction Chamber WARNING: Lubrication MAINTENANCE Customer Responsibilities Cleaning Engine Spark Plug Changing Oil WARNING: Disconnecting Spark Plug WARNING: SERVICE AND ADJUSTMENTS Carburetor Adjustment STORAGE Chipper Shredder Engine WARNING: TROUBLESHOOTING 19 California and United States Emission Control Defects Warranty Statement Sears Emission Contro l Defects Warranty Coverage Owners Warranty Responsibilities Sears Emission Control Defects Warranty Provisions PARTS LIST A B A B Page Page Page Sears Craftsman 7.5 H.P. Chipper Shredder Model 247.776350 Page Page Page DANGER Engine Labels Air Cleaner 751B275754 Fuel Tank 751B274030 Recoil 751B274350 Contenido Pgina 247.776350 NDICE ESPECIFICIFICACIONES DEL PRODUCTO Garanta limitada de la cortadora trituradora Craftsman GARANTA SEGURIDAD ADVERTENCIA: CAPACITACIN PREPARA CIN FUNCIONAMIENTO MANTENIMIENT O Y ALMACENAMIENTO ADVERTENCIA: Extraccin de la unidad de la caja Piezas sueltas en la caja 1. Deslizamiento hacia abajo del canal de la cortadora MONTAJE 1. 2. 2. Page Conozca las propiedades de la cortadora trituradora Controles de funcionamiento ADVERTENCIA: OPERACIN Motor Cumple con los estndares de seguridad de ANSI Detencin del motor ADVERTENCIA: PRECAUCIN: Carga de gas y aceite Aceite (se enva una botella de 20 onzas junto con la unidad) Encendido del motor ADVERTENCIA: NOTA: ADVERTENCIA: Trituracin Limpieza de la tolva Corte ADVERTENCIA: Limpieza del canal de reduccin ADVERTENCIA: Lubricacin Filtro de aire MANTENIMIENTO Responsabilidades del cliente Limpieza del motor Buja de encendido Cambio de aceite ADVERTENCIA: Desconexin de la buja ADVERTENCIA: SERVICIO Y AJUSTES Traba de sostn Ajuste del carburador ALMACENAMIENTO Cortadora trituradora Motor ADVERTENCIA: GUA PARA LA SOLUCIN DE PROBLEMAS 46 Cobertura de la Garanta de Defectos del Sistema de Control de Emisiones Briggs & Stratton Responsabilidades del Propietario de la Garanta Provisiones de la Garanta de Defectos del Sistema de Control de Emisiones Briggs & Stratton a. Sistema de Medicin de Combustible Repair Protection Agreements Acuerdo De Proteccin Para Reparaciones Get it fixed, at your home or ours! Your Home 1-800-4-MY-HOME Our Home 1-800-488-1222