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free  WArnInG  lAbel  rePlACeMent:  If  your  warning 
labels  become  illegible  or  are  missing,  call  1-800-4-D

e

WALT  

(1-800-433-9258) for a free replacement.

WARNING

                                          DRAIN TANK DAILY OR AFTER EVERY 4 HOURS OF US E. CONDENSATION BUILD-UP MAY CAUSE

                                          CORROSION INSIDE TANK RESULTING IN TANK FAILURE. SEE MANUAL FOR INSPECTION PROCEDURES.

TO D RAIN TANK OPEN VALVE SLOWLY AND TILT COMPRESSOR TO EMPTY ACCUMULATED WATER.

ADVERTENCIA

                                                         DRENE EL TANQUE A DIARIO O DESPUÉS DE  CADA 4 HO RAS DE USO. LA ACUMULACIÓN DE

                                                         CONDENSACIÓN PUEDE O CASIONAR CORROSIÓN DENTRO DEL  TANQUE Y PROVO CAR FALLA DEL

TANQUE. CONSULTE EL MANUAL PARA CONOCER  LOS PROCEDIMIENTOS DE INSPECCIÓN. PARA DRENAR EL TANQUE, ABRA LA

VÁLVULA LENTAMENTE E INCLINE EL COMPRESOR PARAELIMINAR EL AGUA ACUMULADA.

AVERTISSEMENT

                                                             RÉSE

RVOIR DE VIDANGE QU OTIDIEN OU APRÈS TOUTES LES 4 HEURES D'UTILISATION.

                                                             

L'HABILLAGE DE CONDENSATION PEUT CAUSER LA CORROSION À L'INTÉRIEUR DU RÉSERVOIR AYANT

              POUR RÉSULTAT L'ÉCHEC DE RÉSERVOIR. VOIR LE MANUEL POUR DES PROCÉDURES D'INSPECTION. À LA VALVE

              OUVERTE DE RÉSERVOIR DE VIDANGE LENTEMENT ET AU COMPRESSEUR D'INCLINAISON À L'EAU ACCUMULÉE VIDE.

WARNING

  HOT SURFACES

ADVERTENCIA 

 SUPERFICIES CALIENTES

AVERTISSEMENT  

SURFACES CHAUDES

DO NOT OPERATE IN UPRIGHT 
POSITION. UPRIGHT POSITION 

IS FOR STORAGE ONLY. 

NO OPERE LA HERRAMIENTA EN 

POSICIÓN VERTICAL. SÓLO  

ALMACENE EN ESTA POSICIÓN. 

NE PAS FAIRE FONCTIONNER EN POSITION 

VERTICALE. LA POSITION VERTICALE EST 
RÉSERVÉE AU STOCKAGE UNIQUEMENT. 

ATTENTION

DO NOT ADJUST FACTORY SETTINGS.

TO REDUCE RISK OF ELECTRIC SHOCK

DO NOT REMOVE COVER.

Pressure controls set at factory for

maximum sa fe operation.

NO HAGA CAMBIOS EN LOS AJUSTES

DE FÁBRICA. NO RETIRE LA TAPA PARA

REDUCIR EL RIESGO DE CHOQUE ELÉ CTRICO.

Los controles de presión se ajustan en la

fábrica para máxima seguridad en la ope ración.

ADVERTENCIA

WARNING

AVERTISSEMENT

GLOSSArY

CfM: Cubic feet per minute.

sCfM:  Standard  cubic  feet  per  minute;  a  unit  of  measure  of  air 
delivery. 

PsI: Pounds per square inch; a unit of measure of pressure.

Code  Certification:  Products  that  bear  one  or  more 
of  the  following  marks:  UL

®

*,  CUL,  ETL

®

*,  CETL,  have 

been  evaluated  by  OSHA  certified  independent  safety 
laboratories  and  meet  the  applicable  Standards  for  Safety.  
*UL

®

  is  a  registered  trademark  of  Underwriters  Laboratories  and 

ETL

®

 is a registered trademark of Electrical Testing Laboratories.

Pilot Valve blow-off Pressure:

 

Continuous running units are con-

trolled by air tank pressure. When the maximum air tank pressure 

is obtained, the pilot valve will blow-off. This decreases the load on 
the motor and allows it to run at a near no-load condition. note: 
For proper operation the pilot valve blow-off pressure must be below 
the pressure switch cut-out pressure. 
Pilot Valve reset Pressure: When the air tank pressure drops to 
a predetermined point, the pilot valve closes. The air tank pressure 
will now increase until it reaches the pilot valve blow-off pressure.
Cut-In  Pressure: While  the  motor  is  off,  air  tank  pressure  drops 
when accessory is used. When the tank pressure drops to a certain 
low  level  the  motor  will  restart  automatically. The  low  pressure  at 
which the motor automatically restarts is called cut-in pressure.
Cut-out  Pressure:  When  an  air  compressor  is  turned  on  and 
begins to run, air pressure in the air tank begins to build. It builds 
to  a  certain  high  pressure  before  the  motor  automatically  shuts 
off, protecting your air tank from pressure higher than its capacity. 
The  high  pressure  at  which  the  motor  shuts  off  is  called  cut-out 
pressure.
branch Circuit: The circuit carrying electricity from electrical panel 
to outlet.

Duty  Cycle:  This  air  compressor  pump  is  capable  of  running 
continuously.  However,  to  prolong  the  life  of  your  air  compressor, 
it  is  recommended  that  a  50%-75%  average  duty  cycle  be 
maintained; that is, the air compressor pump should not run more 
than 30-45 minutes in any given hour. 

Summary of Contents for D55371

Page 1: ...ción Instruction Manual Guide D utilisation Manual de instrucciones INSTRUCTIVO DE OPERACIÓN CENTROS DE SERVICIO Y PÓLIZA DE GARANTÍA ADVERTENCIA LÉASE ESTE INSTRUCTIVO ANTES DE USAR EL PRODUCTO If you have questions or comments contact us Pour toute question ou tout commentaire nous contacter Si tiene dudas o comentarios contáctenos 1 800 4 DeWALT www dewalt com ...

Page 2: ...lot valve blow off 160 psi SCFM 100 psi 4 6 Noise Level 75 dBA Tested per ISO 1217 Tested per ISO 3744 D55371 Air Compressor H Pressure Switch I Cord Wrap J Air Filter K Tank Pressure Gauge L Auto Off O Switch M Pilot Valve N Dual Voltage Control Declared Noise Emission Values per ISO 3744 Noise EmissionValues Sound Pressure Level LpA 75 0 dBA re 20μPA Uncertainty in the Sound Pressure Level KpA 3...

Page 3: ...erstand this instruction manual for safety operation and maintenance instructions WARNING This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm Wash hands after handling WARNING Some dust contains chemicals known to the State of California to cause cancer birth defects or other reproductive harm such as asbestos and lead in le...

Page 4: ...t The compressed air directly from your compressor is not safe for breathing The air stream may contain carbon monoxide toxic vapors or solid particles from the air tank Breathing these contaminants can cause serious injury or death Never use air obtained directly from the compressor to supply air for human consumption The compressor is not equipped with suitable filters and in line safety equipme...

Page 5: ...ow to prevent it Failure to properly drain condensed water from air tank causing rust and thinning of the steel air tank Drain air tank daily or after each use If air tank develops a leak replace it immediately with a new air tank or replace the entire compressor Modifications or attempted repairs to the air tank Never drill into weld or make any modifications to the air tank or its attachments Ne...

Page 6: ... unqualified personnel can result in serious injury or death by electrocution Any electrical wiring or repairs required on this product should be performed by a DeWALT factory service center or a DeWALT authorized service center in accordance with national and local electrical codes Electrical Grounding Failure to provide adequate grounding to this product could result in serious injury or death f...

Page 7: ...ol WARNING Risk from Moving Parts What can happen How to prevent it Moving parts such as the pulley flywheel and belt can cause serious injury if they come into contact with you or your clothing Never operate the compressor with guards or covers which are damaged or removed Keep your hair clothing and gloves away from moving parts Loose clothes jewelry or long hair can be caught in moving parts Ai...

Page 8: ...prevent it Under some conditions and duration of use noise from this product may contribute to hearing loss Always wear certified safety equipment ANSI S12 6 S3 19 hearing protection WARNING Risk of Unsafe Operation What can happen How to prevent it Unsafe op er a tion of your air compressor could lead to se ri ous in ju ry or death to you or others Review and understand all instructions and warni...

Page 9: ...tank Tank Pressure Gauge The tank pressure gauge K indi E F D K cates the reserve air pressure in the tank REGULATED Pressure Gauge The regulated pressure gauge D indicates the air pressure available at the outlet side of the regulator This pressure is controlled by the regulator and is always less than or equal to the tank pressure Regulator The regulator F controls the air pressure shown on the ...

Page 10: ...ng in the stop start mode The mode of operation is determined by the amount of time the compressor will be required to supply air If the demand for air is infrequent then the unit should be operated in the stop start mode to minimize unnecessary run time and to save energy If there is a frequent or extended demand for air and or the unit is located in a remote area where access to the compressor i...

Page 11: ...o 230 volts the 115 230 dual control switch can not be placed in the 115 volt position until the cord plug is replaced with a UL CSA listed cord plug suitable for 115 volts and the rated amps of the compressor See Motor Specifications WARNING Do not operate this unit until you read and understand this instruction manual for safety operation and maintenance instructions Grounding Instructions Warni...

Page 12: ...al needs Extension cords comply with specifications Circuit is equipped with a 15 amp circuit breaker or 15 amp time delay fuse NOTE If compressor is connected to a circuit protected by fuses use only time delay fuses Time delay fuses should be marked D in Canada and T in the U S If any of the above conditions cannot be met or if operation of the compressor repeatedly causes interruption of the po...

Page 13: ...on under Installation 3 Ensure air tank is drained see Draining Air Tank under Maintenance 4 Ensure the drain valve B is closed 5 Ensure safety valve G is functioning properly see Checking Safety Valve under Maintenance 6 Pull the regulator knob F out and turn counterclockwise until fully closed Ensure regulated pressure gauge reads 0 psi Push knob in to lock in place 7 Attach hose and accessories...

Page 14: ...pilot valve reset pressure is reached A slight air noise may be heard while the air is being unloaded through the pump head If compressor shuts off contact a DeWALT service center or call 1 800 4 DeWALT 1 800 433 9258 for assistance Note For proper operation the pilot valve blow off pressure must be below the pressure switch cut out pressure 4 Adjust regulator F to desired setting See Regulator un...

Page 15: ...ction CAN CSA Z94 3 with side shields when using the compressor Before starting compressor pull the ring on the safety valve to make sure that the safety valve operates freely NOTE Ring may be difficult to pull when air tank pressure is at 0 psi If the valve is stuck or does not operate smoothly it must be replaced with the same type of valve Draining Air Tank Fig 1 Warning Risk of unsafe operatio...

Page 16: ...cating any accessory for your tool please contact DeWALT Industrial Tool Co 701 East Joppa Road Baltimore MD 21286 call 1 800 4 DeWALT 1 800 433 9258 or visit our website www dewalt com Service Information Please have the following information available for all service calls Model Number ____________ Serial Number _________________ Date and Place of Purchase ______________________________ Repairs ...

Page 17: ...TISSEMENT Glossary CFM Cubic feet per minute SCFM Standard cubic feet per minute a unit of measure of air delivery PSI Pounds per square inch a unit of measure of pressure Code Certification Products that bear one or more of the following marks UL CUL ETL CETL have been evaluated by OSHA certified independent safety laboratories and meet the applicable Standards for Safety UL is a registered trade...

Page 18: ...gulator knob has continuous air leak 13 Regulator will not shut off air outlet 13 Motor will not run 11 14 15 16 17 18 19 20 24 Motor shuts off when operating in constant run mode 22 25 Continuous air leak at pressure relief tube 26 27 Troubleshooting Codes Code possible cause POSSIBLE SOLUTION 1 Pressure switch does not shut off motor when com pressor reaches cut out pressure Pilot valve does not...

Page 19: ...egulator as instructed in Regulator under Features if pressure drop is excessive NOTE Adjust the regulated pressure under flow conditions while accessory is being used 8 Prolonged excessive use of air Decrease amount of air usage 9 Compressor is not large enough for accessory Check the accessory air requirement If it is higher than the CFM or pressure supplied by your air compressor a larger com p...

Page 20: ...orized service center Do not operate the compressor in the paint spray area See flammable vapor warning 20 Fuse blown circuit breaker tripped 1 Check fuse box for blown fuse and replace as necessary Reset circuit breaker Do not use a fuse or circuit breaker with higher rating than that specified for our particular branch cir cuit 2 Check for proper fuse You should use a time delay fuse 3 Check for...

Page 21: ...t valve knob clockwise until it stops 25 Defective pressure switch Replace pressure switch Contact a DeWALT factory service center or a DeWALT authorized service center 26 Defective check valve Replace check valve Contact a DeWALT factory service center or a DeWALT authorized service center 27 Defective pressure relief tube Replace pressure relief tube Contact a DeWALT factory service center or a ...

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