Hitachi DH40MB instruction manual How to replase grease, Service and repairs

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English

◯Replacing carbon brushes: (For parts name, refer to Fig. 1)

Loosen the two set screws and remove the tail cover. Remove the brush caps and carbon brushes. After replacing the carbon brushes, tighten the brush caps securely and to install the tail cover with securely tightening two set screws.

5.How to replase grease

This machine is full air-tight construction to protect against dust and to prevent

lubricant leakage. Therefore, the machine can be used without lubrication for long periods. Replace the grease as described below.

◯Grease replacement period

After purchase, replace grease after every 6 months of usage. Ask for grease replacement at the nearest HITACHI Authorized Service Center. Proceed for replacement of grease.

◯Grease replenishment

CAUTION: Before replenishing the grease, turn the power off and pull out the power plug.

(1)Remove the crank case cover and wipe off the grease inside.

(2)Apply 0.7 oz (20 g) of HITACHI Electric Hammer Grease A (standard accessory, contained in tube) to the crank case.

As the tube contains 1 oz (30 g) of grease, supply 2/3 of the contained grease.

(3)After replenishing the grease, install the crank case securely.

NOTE: The HITACHI Electric Hammer Grease A is of the lower viscosity type. When the supplied grease tube is consumed, purchase from a HITACHI Autorized Service Center.

Crank Case Cover

Fig. 21

6.Service and repairs

All quality power tools will eventually require servicing or replacement of parts because of wear from normal use. To assure that only authorized replacement parts will be used, all service and repairs must be performed by a HITACHI AUTHORIZED SERVICE CENTER, ONLY.

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Contents DH 40MB Manual DE Instrucciones E Instrucciones DE SeguridadContents Meanings of Signal Words Important InformationSafety General Safety RulesNever operate without all guards in place Operate power tools at the rated voltage Blades and accessories must be securely mounted to the toolKeep motor air vent clean Use right toolSpecific Safety Rules and Symbols Double Insulation for Safer Operation Specifications Functional DescriptionName of Parts Assembly and Operation ApplicationsPrior to Operation HOW to USE How to drill holes FigRegulating the number of rotations and hammering Fig How to chisel or crush Fig When drilling at rotation + hammeringWhen chipping and shredding at hammering Install the stopper Fig Using Drill CHUCK, Chuck Adaptor Warming up FigHOW to USE the Core BIT MountingHow to bore Fig Dismounting FigInspecting the drill bits Maintenance and InspectionMaintenance of the motor Inspecting the mounting screwsHow to replase grease Service and repairsAccessories Standard AccessoriesDrilling holes....For drilling metals and wooden materials Hitachi Informations Importantes Signification DES Mots D’AVERTISSEMENTConserver CES Instructions SecuriteRegles Generale DE Securite Avertissement Lire et coxmprendre toutes les instructionsFrançais Utiliser l’outil correct Manipuler l’outil correctementGarder propres les évents d’air du moteur Regles DE Securite Specifiques ET Symboles Utiliser l’outil motorisé à la tension nominaleNe pas essuyer les parties en plastique avec du solvant Double Isolation Pour UN Fonctionnement Plus SUR Description Fonctionnelle NOM DES PartiesAvant L’UTILISATION Utilisation Réglage du nombre de rotations et de percussion FigComment percer des trous Fig Comment buriner ou broyer Fig Perçage en rotation + percussionBurinage et découpures en percussion Installer la quenouille Fig Avertissement Préchauffage Fig’assurer que l’interrupteur est sur la Comment Utiliser LA CouronneMontage Position d’arrêt OFF et débrancher ’outilPerçage Fig Démontage FigInspection des vis de montage Entretien ET InspectionContrôle du foret de perçage Entretien du moteurComment remplacer la graisse Entretien et reparationAccessoires Accessoires StandardPerçage de trous.…Pour perçage des métaux et du bois Creusage de rainures et cassure des angles Percussion Información Importante Significado DE LAS Palabras DE SeñalizaciónGuarde Estas Instrucciones SeguridadNormas Generales DE Seguridad Advertencia Lea y entienda todas las instruccionesPeligrosos cuando se utilicen con otra Utilice la herramienta correcta Maneje correctamente la herramientaNormas Y Símbolos Específicos DE Seguridad Maneje con cuidado las herramientas eléctricasNo limpie las partes de plástico con disolvente Aislamiento Doble Para Ofrecer UNA Operación MÁS Segura Descripción Funcional NomenclaturaEspecificaciones Montaje Y Operación AplicacionesAntes DE LA Operación Modo DE Utilización Regulación de número de rotaciones e martilleo FigTaladrar orificios Fig Forma de picar o romper Fig Cuando taladre con rotación + martilleoPara cortar con escoplo y cincel en el modo de martilleo Instalar el tope Fig Advertencia Calentamiento FigModo DE Usar LA Barrena Tubular MontajeModo de taladrar Fig Desmontaje FigInspección de los tornillos de montaje Mantenimiento E InspecciónInspeccionar la broca de taladro Mantenimiento de motorCambio de grasa Mantenimiento y reparaciónAccesorios Accesorios EstándarRomper Martilleo Excavar, ranurado y rebordes Martilleo Español Ball Bearing 6204VVCMPS2S 4MM Español Hitachi Koki Canada Co