DeWalt D55371 Instruction Manual
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DeWalt D55371 Instruction Manual

DeWalt D55371 Instruction Manual

Portable air compressor with sealed lube pump
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1-800-4-D
InstruCtIon MAnuAl
GuIDe D'utIlIsAtIon
MAnuAl De InstruCCIones
D55371
Portable Air Compressor with sealed lube pump
Compresseur d'air portatif avec la pompe scellée et lubrifiée
Compresor de aire con la bomba sellada de lubricación
If you have questions or comments, contact us.
Pour toute question ou tout commentaire, nous contacter.
Si tiene dudas o comentarios, contáctenos.
WALT • www.dewalt.com
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INSTRUCTIVO DE OPERACIÓN, CENTROS DE SERVICIO Y PÓLIZA
DE GARANTÍA. ADVertenCIA: LÉASE ESTE INSTRUCTIVO ANTES
DE USAR EL PRODUCTO.

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Summary of Contents for DeWalt D55371

  • Page 1 DE GARANTÍA. ADVertenCIA: LÉASE ESTE INSTRUCTIVO ANTES DE USAR EL PRODUCTO. MAnuAl De InstruCCIones D55371 Portable Air Compressor with sealed lube pump Compresseur d’air portatif avec la pompe scellée et lubrifiée Compresor de aire con la bomba sellada de lubricación...

  • Page 2: Pump/Motor Specifications

    D55371 Air Compressor FIG. 1 A. Sliding Handles H. Pressure Switch B. Drain Valve I. Cord Wrap C. Storage Support J. Air Filter D. Regulated Pressure Gauge K. Tank Pressure Gauge E. Quick Connects L. Auto(–)/Off(O) Switch F. Regulator M. Pilot Valve G.

  • Page 3: Definitions: Safety Guidelines

    WARNING: Some dust contains chemicals known to the State of Definitions: Safety Guidelines California to cause cancer, birth defects or other reproductive harm such as asbestos and lead in lead based paint. The definitions below describe the level of severity SAVE ThESE INSTruCTIONS for each signal word.
  • Page 4 • Restricting any of the com- • Never place objects against pressor ventilation openings or on top of compressor will cause serious overheat- pump. • Operate compressor in ing and could cause fire. DANGER: RISk TO BREATHING (ASPHyxIATION) an open area at least 12" WHAt CAn HAPPen HoW to PreVent It (30.5 cm) away from any...
  • Page 5 • Modifications or attempted • Never drill into, weld, or make repairs to the air tank. any modifications to the air tank or its attachments. Never attempt to repair a damaged or WARNING: RISk Of BURSTING leaking air tank. Replace with a Air tank: On February 26, 2002, the U.S.
  • Page 6 • Repairs attempted by • Any electrical wiring or tires: unqualified personnel can repairs required on this • Over inflation of tires could • Use a tire pressure gauge to result in serious injury or product should be performed result in serious injury and check the tires pressure before death by electrocution.
  • Page 7 • Always turn the compressor off and bleed pressure from the air hose and air tank before attempting maintenance, WARNING: RISk fROm mOvING PARTS attaching tools or accessories. WHAt CAn HAPPen HoW to PreVent It • Moving parts such as the •...
  • Page 8 WARNING: RISk Of fAllING WARNING: RISk Of UNSAfE OPERATION WHAt CAn HAPPen HoW to PreVent It WHAt CAn HAPPen HoW to PreVent It • A portable compressor • Always operate compressor • Unsafe operation of your air • Review and understand all can fall from a table, in a stable secure position to compressor could lead to se ri-...
  • Page 9 SAVE ThESE INSTruCTIONS tAnk Pressure GAuGe FOr FuTurE uSE The tank pressure gauge (K) indi- cates the reserve air pressure in FEATurES (Fig. 1) the tank. Auto(–)/off(o) sWItCH reGulAteD Pressure GAuGe Place this switch (L) in the AUTO(–) position to provide automatic power to the The regulated pressure gauge (D) pressure switch and OFF(O) to remove indicates the air pressure available...

  • Page 10: Installation

    AIr CoMPressor PuMP operation is determined by the amount of time the compressor will be The pump compresses air into the air tank. Working air is not 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 available until the compressor has raised the air tank pressure above that required at the air outlet.

  • Page 11: Grounding Instructions

    DIsConneCtInG Hoses for 115 volts and the rated amps of the compressor, See Motor Specifications. WARNING: Risk of unsafe operation. Firmly grasp hose in hand when installing or disconnecting to prevent hose whip. WARNING: Do not operate this unit until you read and understand this instruction manual for safety, operation and maintenance 1.

  • Page 12: Extension Cords

    • Do not modify the plug provided. If it does not fit the available time delay fuse. NOTE: If compressor is connected to a circuit outlet, a correct outlet should be installed by a qualified protected by fuses, use only time delay fuses. Time delay electrician.

  • Page 13: Preparation For Use

    Transporting 2. Plug the power cord into the correct branch circuit receptacle. See Voltage and Circuit Protection under Installation. When transporting the compressor in a vehicle, 3. Ensure air tank is drained, see Draining Air tank under trailer, etc. ensure that the air tank is drained and Maintenance.

  • Page 14: Maintenance

    the pump head. If compressor shuts off, contact a D WALT CAUTION: Risk of unsafe operation. Do not operate in vertical position. Vertical position is for storage only. service center or call 1-800-4-D WALT (1-800-433-9258) for assistance. CAUTION: Risk of unsafe operation. Compressed air from the unit note: For proper operation the pilot valve blow-off pressure must be may contain wa ter condensation and oil mist.

  • Page 15: Maintenance Chart

    3. Drain air tank. WARNING: Risk from flying objects. Always wear certified safety 4. Allow air compressor to cool down before starting service. equipment: ANSI Z87.1 eye protection (CAN/CSA Z94.3) with side shields when using the compressor. note: All compressed air systems contain maintenance parts (e.g., oil, filters, separators) that are periodically replaced.

  • Page 16: Service Information

    SErVICE INFOrMATION NOTICE: Risk of property damage. Drain water from air tank may contain oil and rust, which can cause stains. Please have the following information available for all service calls: 6. When air tank pressure gauge reads 10 psi, rotate valve to the Model Number ____________ Serial Number _________________ fully open position.
  • Page 17 is obtained, the pilot valve will blow-off. This decreases the load on free WArnInG lAbel rePlACeMent: If your warning the motor and allows it to run at a near no-load condition. note: labels become illegible or are missing, call 1-800-4-D WALT For proper operation the pilot valve blow-off pressure must be below (1-800-433-9258) for a free replacement.

  • Page 18: Troubleshooting Guide

    Troubleshooting Guide This section provides a list of the more frequently encountered malfunctions, their causes and corrective actions. The operator or maintenance personnel can perform some corrective actions, and others may require the assistance of a qualified D WALT technician or your dealer. Problem Code Excessive air tank pressure-safety valve pops off ..............1, 2...
  • Page 19 CoDe PossIble CAuse PossIble solutIon Defective air tank Air tank must be replaced. Do not repair the leak. WARNING: Risk of bursting. Do not drill into, weld or otherwise modify air tank or it will weaken. The air tank can rupture or explode.
  • Page 20 CoDe PossIble CAuse PossIble solutIon Tank pressure exceeds pressure switch cut-in Motor will start automatically when tank pressure drops below pressure cut-in pressure of pressure switch. Extension cord is wrong length or gauge Check for proper gauge wire and cord length. Refer to the extension Cords paragraph in the Installation section.
  • Page 21 CoDe PossIble CAuse PossIble solutIon Pilot valve restricted Remove, clean or replace. Contact a D WALT factory service cen- ter or a D WALT authorized service center. Pilot valve knob is in the open position Turn pilot valve knob clockwise until it stops. Defective pressure switch Replace pressure switch.

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