Bosch Power Tools CET4-20W, CET3-10 Particulates in oil may reduce compressor life, Risk of fire

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Entangled or snarled hoses can cause a loss of balance or footing in addition to unintentional tool operation. Attach the hose to the structure to reduce the risk of loss of balance if the hose shifts.

Do not abuse the air hose. Protect all hoses from kinks, restrictions, solvents or sharp objects. Keep air hose away from heat, oil, sharp edges or moving parts.

Replace damaged hoses immediately. Damaged hoses can burst or whip around work area.

Only use hoses with a minimum rating of 200 PSI. Use of hoses with a high pressure rating reduce the risk of injury from a hose bursting.

Firmly grasp hose in hand when installing hoses. If hose is not held firmly or correctly installed, hose may whip and injure personnel in the operating area.

Use care when lifting and carrying the compressor. Some compressors are too heavy to be lifted by one person. Get assistance before attempting to lift a compressor to reduce the risk of injury.

When moving or loading a wheeled compressor ensure that the compressor is always on a level surface. If the compressor is placed on a sloped surface, it may move unexpectedly and result in personal injury.

This product contains chemicals, including lead, known to the State of California to cause birth defects and other reproductive harm. Wash hands after using.

Tool Use and Care

Use this compressor and all accessories in accordance with the instructions. Compressor and accessories must be used for the purpose for which they are designed. Use of the compressor for operations other than what is described in this manual can result in a hazardous situation.

Use only accessories that are recommended by BOSCH for your particular model. Accessories that may be recommended for a particular model tool may not be suitable on other model tools and may result in personal injury.

Before each use, inspect all fittings, hoses, pipes, connections of the compressor. Do not operate if any portion of the compressor is loose, missing, damaged, malfunctioning, disconnected or altered. Never use a compressor that appears damaged or is operating abnormally. If the compressor appears to be operating unusually and/or making strange noises, stop using it immediately and contact your local BOSCH service center. There is a risk of bursting if the compressor is damaged.

Before each use inspect compressor for signs of leaks or damage. If leaks are found in the compressor pump, air tanks or tubing, replace compressor immediately.

Never attempt repair leaks, weld or make

modifications to the air tank or other fluid confining

parts as there is a risk of bursting.

Do not attempt to operate this air compressor without

first verifying the oil level in the crankcase. This

compressor is shipped with oil in the crankcase.

Serious damage of the compressor can result from even momentary operation without proper lubrication.

Never operate the compressor without the safety valve. Verify operation of the safety valve on a daily basis. Do not use the safety valve for complete tank drainage. The safety valve is designed to relieve tank pressure to reduce the risk of bursting.

Never operate compressor without all guards and other safety features in place and performing intended function. If maintenance or servicing requires removal of guard or safety feature, be sure to replace the guard or safety feature before resuming operation of the compressor. Replace damaged guards or safety features immediately.

Never touch moving parts. Do not place any part of your body near compressor moving parts. Do not reach around guards to reduce the risk of injury.

Do not operate compressor without the air filter. Filters prevent large particles from entering the air stream and damaging compressor internal components.

Do not allow particulates such as sawdust to fall into crankcase when crankcase is open for inspection.

Particulates in oil may reduce compressor life.

Do not use a detergent oil in crankcase. Detergent oils will leave deposits on internal compressor components reducing compressor life and components.

Do not use compressor for unattended operation.

Always remain in area when compressor is operating and turn off compressor when not in use to reduce

the risk of fire.

Never place objects on top or next to compressor.

Locate compressor at least 12 in. (30 cm) away from

all obstructions. Restricting any of the compressor’s ventilation openings can cause overheating and could cause a fire.

Do not operate the compressor with any power source other than that specified in the tool operating/safety instructions. Use of alternative power sources may result in malfunctions of the compressor and the power source which may lead to serious injury of you or others in your surroundings.

Follow all recommendations for sizes of hoses, fittings

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Contents CET3-10 CET4-20 CET4-20W Increases the risk of injury General Safety RulesWork Area Respect the compressor as a working implementParticulates in oil may reduce compressor life Risk of fireFollow all recommendations for sizes of hoses, fittings Page Safety Rules for Electric Compressors Functional Description and Specifications Specifications CET3-10Specifications CET4-20 Specifications CET4-20W Grounding Assembly / InstallationDirections for Installing Wheels Lubrication and OilElectric Motor Initial Set-Up Break-in ProcedureExtension Cords Preparation for UseOperation Disconnecting Air Supply Adjusting regulatorConnecting Air Supply Operating TemperaturesMaintenance Compressor Some CleaningStorage Loading/unloadingTrouble shooting Problem Symptoms ResolutionSolution. Do not overtighten Trouble shooting Trouble shooting Consignes générales de sécurité Conserver CES InstructionsEspace de travail Page De réduire la durée de vie du compresseur Conservez CES Instructions Consignes de sécurité pour les CompressEUrs électriquesDimensions du produit Type d’entraînement Direct Maintenance OilDescription fonctionnelle et spécifications Spécifications CET4-20W CET4-20W only Voir Assemblage / InstallationLubrification ET Huile Mise À LA TerreMoteur Électrique Cordons DE RallongeRallonge Préparation EN VUE DE L’EMPLOISurfaces Très Chaudes FonctionnementMise EN Marche DU Compresseur Coupure DU Moteur PAR LE Protecteur ThermiqueArrêt DU Compresseur Réglage DU RégulateurConnexion DE L’ALIMENTATION EN AIR Températures DE FonctionnementService Pour faire la vidange d’huile Voir Des pièces de rechange pouvant être installées parDrainage DES Réservoirs De fuites d’huile Recommandation Tous les Une fois par Toutes lesRangement Chargement / DéchargementDiagnostic DES Pannes Problème Symptômes RésolutionRemarque Diagnostic DES Pannes Diagnostic DES Pannes Guarde Estas Instrucciones Normas generales de seguridad para herramientas neumáticasDespués de usarlo Page Cuando utilice una herramienta eléctrica a Normas DE Seguridad Para Compresores EléctricosDescripción funcional y especificaciones Especificaciones CET3-10Especificaciones CET4-20 Especificaciones CET4-20W Conexión a Tierra Ensamblaje E InstalaciónLubricación Y Aceite Instrucciones DE Instalación RuedasPreparación inicial Procedimiento de asentamiento Cordones DE ExtensiónPreparación Para EL USO Motor EléctricoSuperficies Calientes UtilizaciónArranque DEL Compresor Desconexión Térmica DEL MotorApagado DEL Compresor Ajuste DEL ReguladorConexión DEL Suministro DE Aire Temperaturas DE FuncionamientoEn el compresor Véase Fig MantenimientoDrenaje DE LOS Tanques Coloque el compresor en una superficie niveladaSi hay fugas de aceite AlmacenamientoCarga Y Descarga Recomendación Diariamente Semanalmente Cada 200 horasResolución DE Problemas Problema Síntomas ResoluciónJabonosa. No los sobreapriete Resolución DE Problemas Resolución DE Problemas Page Limited Warranty of Bosch Portable and Benchtop Power Tools