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MB256MOUNTEDHYDRAULICBREAKERSafety, Operation and MaintenanceUSER MANUAL 2012 Stanley Black & Decker, Inc.New Britain, CT 06053U.S.A.30341 1/2013 Ver. 31
DECLARATION OF CONFORMITYDECLARATION OF CONFORMITYÜBEREINSTIMMUNGS-ERKLARUNGDECLARATION DE CONFORMITE CEEDECLARACION DE CONFORMIDADDICHIARAZIONE DI CONFORMITAHydraulic ToolsI, the undersigned:Ich, der Unterzeichnende:Je soussigné:El abajo firmante:lo sottoscritto:Weisbeck, AndySurname and First names/Familiennname und Vornamen/Nom et prénom/Nombre y apellido/Cognome e nomehereby declare that the equipment specified hereunder:bestätige hiermit, daß erklaren Produkt genannten Werk oder Gerät:déclare que l’équipement visé ci-dessous:Por la presente declaro que el equipo se especifica a continuación:Dichiaro che le apparecchiature specificate di Categoria:Hydraulic Hammer e/Typ/Type/Tipo/Tipo:MB256, MB256164.Serial number of equipment:Seriennummer des Geräts:Numéro de série de l’équipement:Numero de serie del equipo:Matricola dell attrezzatura:5.Mass/Masse/Masse/Masa/MassaAll493 lbs / 224 kgHas been manufactured in conformity withWurde hergestellt in Übereinstimmung mitEst fabriqué conformémentHa sido fabricado de acuerdo conE’ stata costruita in conformitá es/NormesDirectriz/Los NormasDirettiva/NormeNo.NrNuméroNon.Approved bodyPrüfung durchOrganisme agrééAprobadoCollaudatoENENENNoise DirectiveMachinery C:20052006/42/EC:2006SelfSelfSelfSelfSelf6.Special Provisions:NoneSpezielle Bestimmungen:Dispositions particulières:Provisiones especiales:Disposizioni speciali:7. Measurements: Measured Sound Power Level 122 LwAMessungenGuaranteed Sound Power Level 126 LwAMesuresMeasured in accordance to Directive 2000/14/EC,MedicionesMisurazioni8.Representative in the Union: Patrick Vervier, Stanley Dubuis 17-19, rue Jules Berthonneau-BP 3406 41034 Blois Cedex, France.Vertreter in der Union/Représentant dans l’union/Representante en la Union/Rappresentante presso l’UnioneDone at/Ort/Fait à/Dado en/Fatto a Stanley Hydraulic Tools, Milwaukie, Oregon ition/Position/Fonction/Cargo/Posizione2 MB256 User Manual3/22/2011Engineering ManagerDate/Datum/le/Fecha/Data3-22-11
TABLE OF CONTENTSDECLARATION OF CONFORMITY.2SAFETY SYMBOLS.4SAFETY PRECAUTIONS.5TOOL STICKERS & HARGING THE ACCUMULATOR.17FLOW CONTROL KIT INSTRUCTIONS.18WEAR TOLERANCES.19PROPER USE & CARE OF TOOL BITS.20FLOW TEST PROCEDURES.24DEFINITION OF TERMS.26SPECIFICATIONS.27ACCESSORIES.28MB256 PARTS ILLUSTRATION.29MB256 PARTS LIST.30MB25600 SIDE PLATES PARTS ILLUSTRATION.31MB25603 SIDE PLATES PARTS ILLUSTRATION.32SS MODEL MOUNTING BRACKETS.33IMPORTANTTo fill out a Product Warranty Recording form, and for information on your warranty,visit Stanleyhydraulic.com and select the Warranty tab.(NOTE: The warranty recording form must be submitted to validate the warranty).SERVICING THE STANLEY MOUNTED HYDRAULIC BREAKER. This manual contains safety, operation, androutine maintenance instructions. Stanley Hydraulic Tools recommends that servicing of hydraulic tools, other thanroutine maintenance, must be performed by an authorized and certified dealer. Please read the following warning.WARNINGSERIOUS INJURY OR DEATH COULD RESULT FROM THE IMPROPER REPAIR ORSERVICE OF THIS TOOL.REPAIRS AND / OR SERVICE TO THIS TOOL MUST ONLY BE DONE BY ANAUTHORIZED AND CERTIFIED DEALER.For the nearest authorized and certified dealer, call Stanley Hydraulic Tools at the number listed on the back of thismanual and ask for a Customer Service Representative.MB256 User Manual 3
SAFETY SYMBOLSSafety symbols and signal words, as shown below, are used to emphasize all operator, maintenance and repair actions which, if not strictly followed, could result in a life-threatening situation, bodily injury or damage to equipment.This is the safety alert symbol. It is used to alert you to potential personal injuryhazards. Obey all safety messages that follow this symbol to avoid possibleinjury or death.DANGERThis safety alert and signal word indicate an imminently hazardous situationwhich, if not avoided, will result in death or serious injury.WARNINGThis safety alert and signal word indicate a potentially hazardous situationwhich, if not avoided, could result in death or serious injury.CAUTIONThis safety alert and signal word indicate a potentially hazardous situationwhich, if not avoided, could result in death or serious injury.CAUTIONThis signal word indicates a potentially hazardous situation which, if not avoided, may result in property damage.NOTICEThis signal word indicates a situation which, if not avoided, will result in damageto the equipment.IMPORTANTThis signal word indicates a situation which, if not avoided, may result in damage to the equipment.Always observe safety symbols. They are included for your safety and for the protection of the tool.LOCAL SAFETY REGULATIONSEnter any local safety regulations here. Keep these instructions in an area accessible to the operator and maintenance personnel.4 MB256 User Manual
SAFETY PRECAUTIONSWARNINGWARNINGDo not operate the breaker unless thefollowing safety instructions have beenthoroughly read and understood! Read thismanual before installing, operating ormaintaining this equipment. A flying projectile from the breaker, breakertool, rock or other material may enter theoperator's compartment and cause seriousor fatal injury to the operator. Personalprotection equipment must be used. A flying projectile from the breaker, breakertool, rock or other material may causeserious or fatal injury to bystanders. Neveroperate the breaker when bystanders are inthe work area. On some machines/carriers, the breakercan enter the operator's compartment if itbreaks loose and swings toward theoperator. Make sure that suitable impactshields are used when operating thebreaker with this type of equipment. Do not operate the breaker unless all safetydecals described in this manual are inplace. The decals must be inspectedperiodically to ensure that all wording islegible. The decals must be replaced ifillegible. Replacement decals can beobtained from your authorized StanleyDistributor.Read the ManualWear BreathingProtectionWear HearingProtectionWear EyeProtection When operating the breaker you must useear protection, eye protection, andbreathing protection.MB256 User Manual 5
SAFETY PRECAUTIONSTool operators and maintenance personnel must alwayscomply with the safety precautions given in this manualand on the stickers and tags attached to the tool andhose.These safety precautions are given for your safety. Review them carefully before operating the tool and beforeperforming general maintenance or repairs.Supervising personnel should develop additional precautions relating to the specific work area and localsafety regulations. If so, place the added precautions inthe space provided in this manual.The Mounted HydraulicBreaker will provide safeand dependable serviceif operated in accordancewith the instructions givenin this manual. Read andunderstand this manualand any stickers and tagsattached to the tool andhoses before operation.Failure to do so could result in personal injury orequipment damage.Check the rules and regulations at your location. Therules might include an employer’s work safety program.Regulations may identify hazards such as workingaround utility supply lines or hazardous slopes.BE THOROUGHLY TRAINED BEFOREOPERATING THE UNIT ALONE Operator training must start in an area without bystanders and use all the controls until he/she cancontrol the machine fully under the conditions of thework area. When learning to operate a machine, do so at a slowpace.KNOW THE WORK CONDITIONS The operator must know any prohibited uses orwork areas for the machine. For example, excessive slopes and poor or dangerous terrain conditions must be avoided.6 MB256 User ManualOBEY SAFETY RULES Operate the breaker in accordance with all laws andregulations which affect you, your equipment, andthe work site. Do not operate the breaker until you have read thismanual and thoroughly understand all safety, operation and maintenance instructions. The operator must be familiar with all prohibitedwork areas such as excessive slopes and dangerous terrain conditions. Do not operate the breaker until you have read thecarrier equipment manual and thoroughly understand all safety, operation and maintenance instructions. The word “carrier”, as used in this manual,means a backhoe or excavator or similar equipmentused to operate the breaker. Ensure that all maintenance procedures recommended in this manual are completed before usingthe equipment. The operator must not operate the breaker or carrierif any people are within the area where they may beinjured by flying debris or movement of the equipment. Know the limits of your equipment. Establish a training program for all operators to ensure safe operation. Warning: Use of this tool on certain materials duringdemolition could generate dust potentially containing a variety of hazardous substances such as asbestos, silica or lead. Inhalation of dust containingthese or other hazardous substances could resultin serious injury, cancer or death. Protect yourselfand those around you. Research and understandthe materials you are cutting. Follow correct safetyprocedures and comply with all applicable national,state or provisional health and safety regulationsrelating to them, including, if appropriate arrangingfor the safe disposal of the materials by a qualifiedperson.
SAFETY PRECAUTIONS Do not operate the tool unless thoroughly trained orunder the supervision of an instructor. Do not operate a damaged, leaking, improperly adjusted, or incompletely assembled breaker. Become familiar with the carrier controls before operating the carrier and the breaker. Do not modify the breaker in any manner. When operating the breaker you must use ear protection, eye protection, and breathing protection. While learning to operate the breaker and carrier, doso at a slow pace. If necessary, set the carrier modeselector to the slow position.Use only tool bits supplied by Stanley HydraulicTools. Use of tool bits supplied by another manufacturer may damage the breaker and will void thewarranty. Make sure all controls (levers and pedals) are in theNEUTRAL position before starting the carrier.To avoid personal injury or equipment damage, allbreaker repair, maintenance and service must onlybe performed by authorized and properly trainedpersonnel. While operating the breaker and carrier, keep handsand feet on the controls at all times. Before leaving the carrier, always lower the boomand insure the carrier is stable. Never leave the machine with the engine running. ALWAYS ENGAGETHE PARKING BRAKE.If you do not understand how to safely operate yourbreaker, contact an authorized Stanley Dealer forassistance. Keep this manual with the breaker. Do not operate this equipment if you are taking medication which may affect your mental judgement orphysical performance. Do not operate this equipment if you are under theinfluence of drugs or alcohol. Stop the engine befo
view them carefully before operating the tool and before performing general maintenance or repairs. Supervising personnel should develop additional pre-cautions relating to the specific work area and local safety regulations. If so, place the added precautions in the space provided in this manual. The Mounted Hydraulic Breaker will provide safe and dependable service if operated in accordance .
