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DeWalt D55146 - User Manual

DeWalt D55146
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iNSTRUCTiON MANUAL
GUIDE D'UTILISATION
MANUAL DE INSTRUCCIONES
INSTRUCTIVO DE OPERACION, CENTROS DE SERVICIO Y POLIZA
DE GARANTIA. ADVERTENClA: Lt_ASE ESTE INSTRUCTIVO ANTES
DE USAR EL PRODUCTO.
®
D55146
Oil Free Portable Air Compressor
Compresseur d'air portatif, lubrifi6 & I'huile
Compresor de aire con aceite port_til

Table of Contents

Questions and Answers

  • T
    Tracey GarciaJul 26, 2025
    What to do if my DeWalt Air Compressor motor will not run?
    • M
      Martin RiceJul 26, 2025
      If your DeWalt Air Compressor motor won't run, first check the fuse box for a blown fuse and replace it if needed, or reset the circuit breaker. Ensure you're using the correct time-delay fuse. Also, check for low voltage and use the proper extension cord. Try disconnecting other appliances or running the compressor on its own circuit. If the safety valve is defective, operate it manually by pulling the ring. If the valve continues to leak, it needs replacement.
  • J
    Joseph MillerAug 2, 2025
    Why is my DeWalt D55146 not supplying enough air to operate accessories?
    • M
      Megan PowersAug 2, 2025
      If your DeWalt Air Compressor isn't supplying enough air, try these steps: reduce how much air you're using. Check if your compressor is large enough for the accessory by comparing its air requirements to the compressor's CFM and pressure output; you might need a larger compressor. Also, tighten any loose fittings to fix air leaks.
  • C
    Christopher SimpsonAug 9, 2025
    Why is my DeWalt D55146 not supplying enough air?
    • A
      ahancockAug 9, 2025
      If your DeWalt Air Compressor is not supplying enough air, try the following: * Decrease the amount of air you are using. * Check the air requirements of the accessory you're using. If it needs more CFM or pressure than your compressor provides, you'll need a larger compressor. * Inspect the air hose for holes and replace it if necessary. * Tighten any loose fittings to eliminate air leaks. * Clean or replace the air intake filter. Important: Do not operate the compressor without the filter.
  • A
    Angela DavisAug 18, 2025
    What to do if the safety valve keeps popping off on my DeWalt D55146 Air Compressor?
    • B
      Bianca EdwardsAug 18, 2025
      If the safety valve on your DeWalt Air Compressor pops off due to excessive air tank pressure, it could be due to the pressure switch not shutting off the motor when the compressor reaches the cut-out pressure or the pressure switch cut-out being set too high. Set the Mini-Switch to OFF ( 0 ), if the unit does not shut off contact a DeWALT factory service center or a DeWALT authorized service center.

Summary

DEWALT D55146 Air Compressor Overview

Product Specifications

Lists model, weight, dimensions, tank capacity, and pressure ratings.

Noise Emission Values

Specifies declared noise emission values according to ISO 3744 standard.

Safety Guidelines and Definitions

Safety Signal Word Definitions

Explains severity levels of signal words like DANGER, WARNING, CAUTION.

General Operational Safety

Essential instructions to read and understand before operating the unit.

Risk of Explosion, Fire, and Electrical Shock

Hazards related to sparks, flammable vapors, and electrical shock.

Health, Mechanical, and Handling Hazards

Risk to Breathing and Chemical Exposure

Risks from contaminated air, sprayed materials, and chemical exposure.

Risk of Bursting and Hot Surfaces

Hazards from air tank weakening, hot parts, and potential explosion.

Risk from Flying Objects and Moving Parts

Hazards from high-speed particles and contact with moving components.

Operational and Lifting Risks

Hazards from falling, lifting, noise, and general unsafe operation.

Features and Components

Key Features and Controls

Descriptions of ON/OFF switch, pressure switch, safety valve, and gauges.

Airflow, Pressure Regulation, and Cooling

Explanation of regulator, quick connects, drain valve, and cooling system.

Installation and Setup

Air Filter and Hose Installation

Instructions for installing the air filter and connecting hoses safely.

Grounding and Extension Cord Guidelines

Proper grounding procedures and requirements for extension cords.

Electrical, Location, and Transportation

Electrical specs, placement, circuit protection, and transport guidelines.

Preparation, Operation, and Maintenance

Pre-Start Checklist and Break-in

Pre-start checklist and required break-in process for new units.

Operating Procedures

Instructions for starting, operating, and safely shutting down the compressor.

Routine Maintenance Tasks

Maintenance chart, safety valve check, air filter, and tank draining.

Accessories, Service, and Glossary

Accessories, Repairs, and Warranty

Recommended accessories, service information, repairs, and warranty details.

Technical Term Definitions

Definitions of technical terms like CFM, PSI, Cut-In/Out Pressure.

Troubleshooting

Troubleshooting Common Issues

Guide to identifying, diagnosing, and resolving common malfunctions with codes and solutions.

DeWalt D55146 Specifications

General IconGeneral
Quantity per pack1 pc(s)

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