Craftsman 247.770110 manual Nozzleheightadjustment, Carburetoradjustment, Enginespeed

Page 12

adjustment to the unit without first

WARNING: Do not at any time make any

stopping engine and disconnecting

spark plug wire.

NOZZLEHEIGHTADJUSTMENT

The nozzle can be adjusted to any of five positions, ranging from 5/8" to 4 1/8" ground clearance. The nozzle height has to be adjusted according to the conditions. Move the height adjustment levers forward or backward to adjust the nozzle upward or downward. It may be necessary to apply slight pressure to lower handle assembly, when shifting adjustment levers. See Figure 11.

NOTE: In general, raise the nozzle height to vacuum a thick layer of leaves or to operate with the blower chute. Lower the nozzle height for smoother surfaces.

Height

Adjustment

Lever

Figure 11

CARBURETORADJUSTMENT

carburetor) are made to the engine WARNING: If any adjustments (e.g. while the engine is running, keep clear

of all moving parts. Be careful of heated surfaces and muffler.

The carburetor has been pre-set at the factory and should not require adjustment. If your engine does not operate properly due to suspected carburetor problems, take your Yard Vacuum to a Sears Service Center for repair and adjustment.

ENGINESPEED

The engine speed on your Yard Vacuum has been set at the factory. Do not attempt to increase the engine RPM. If you think that the engine is running too fast or too slow, take your Yard Vacuum to the

nearest Sears Service Center for repair and adjust- ment.

WARNING: Do not attempt to alter the

engine speed by tampering with the

engine's governor linkage. Doing so could result in serious personal injury and damage to the engine. The engine RPM has been set at the factory.

REMOVINGTHE FLAILSCREEN

If the discharge area becomes clogged, remove the flail screen and clean area as follows.

Stop the engine. Make certain the chipper shredder vacuum has come to a complete stop.

Disconnect and ground the spark plug wire before unclogging the discharge chute.

Remove the vacuum bag or blower chute from the unit as instructed in the OPERATION section to obtain access to flail screen. See Figure 12.

-lexScrew & Flat Washer

REAR VIEW

Figure 12

Remove hex screw on right side of unitthat attaches to the flail screen. See Figure 13.

Remove

Hex Screw

Figure 13

Remove hex screw and flat washer on top of rear housing near mounting bracket and the lock nut that secures flail screen. See Figure 12.

Remove and clean the screen by scraping or washing with water. Reinstall the screen.

12

Image 12
Contents Crrftsmrn Product Specification Training PreparationMaintenanceandstorage OpermionDisconnectingsparkplug RemovingunitfromcartonAttachingthe Handle Rope GuideAttachingthe BAG Attachingthe BlowerchuteBag Handle Know Your Yard Vacuum Chipper ChuteGASANDOILFILL-UP To StopengineTo Startengine Oil one 20-oz. bottle shipped with unitOperation To EmptybagTo Removeblowerchute ThrottleCleanequipment Clean the Yard Vacuum thoroughly after eachLubrication GeneralrecommendationsServiceaircleaner ServicesparkplugServicemuffler CleanengineNozzleheightadjustment CarburetoradjustmentEnginespeed Removingthe FlailscreenDisconnect and ground the spark plug wire AssemblySharpeningorreplacingchipper Blade YardVacuum Problem Possible CausesCorrective Action Sears Craftsman 4.5 H.P. Yard Vacuum Model Part Description 781-108515 \ Part Description 720-0295 Foam Grip 734-1992 151A 310 21% 72A 12A 16 a 40028 40026 40007 46 a 70 B 72A 80 a 81 a 20A 631767 Throttle Return Spring 631024 590599A Spring Pin 590600 Aspiradora Para Jardines Operacionengeneral Ninos ServicioDesembalaje Desconexionde LA BujiaInstalaciondelmanillar Instalaciondelrecolector Instalaciondeltubode SopladoControlesdeoperacion Tubo de astilladoBoquilla Palanca de ajuste de altura de la boquillaLlenadodegasolinay Aceite ParaapagarelmotorParaarrancarelmotor Aceite una botella de 20 onzas enviada con la mbquinaParavaciarel Recolector PararetirareltubodesopladoOperacion Cuando la temperatura es sobre 32F OCRecomendacionesgenerales Limpiar el motorLubricacion LimpiezadelequipoRevisiondelaceitedelmotor CambiodeaceitedelmotorBoquilla VelocidaddelmotorAFILADO0 Reemplazodela Cuchillaastilladora Brazo ArandelaTornillo de Tuerca de Reborde cerradura Cuchilla Astilladora Aspiradoraparajardines Problema SolucibnSears