DeWalt D55167 - User Manual

Questions and Answers

N
Noah BradleyJul 27, 2025
What to do if my DeWalt D55167 Air Compressor motor will not run?
- M
  Melanie HarrisJul 27, 2025
  If the DeWalt Air Compressor motor doesn't run, several factors could be at play. First, the motor overload protection switch might have tripped; if this occurs frequently, professional service is needed. A blown fuse or tripped circuit breaker could also be the cause; replace the fuse or reset the breaker, ensuring you use the correct type and rating. Low voltage conditions or an improper extension cord can also prevent the motor from running. If none of these resolves the issue, there may be a defective motor, requiring assistance from a service center.
J
jacquelinewebsterAug 4, 2025
Why is my DeWalt D55167 Air Compressor not supplying enough air?
- A
  Amanda ClarkAug 4, 2025
  If your DeWalt Air Compressor isn't providing sufficient air, consider these possibilities. Excessive air usage over a prolonged time can reduce the available air. Make sure that the compressor is large enough for the accessory. Air leaks can also diminish the air supply, so tighten all fittings. Also, the regulator might not be correctly adjusted for the accessory you're using; adjust it under flow conditions while the accessory is in use.
C
Charles MorganAug 15, 2025
What to do if the safety valve pops off on my DeWalt D55167?
- M
  Melissa SanchezAug 15, 2025
  If the safety valve on your DeWalt Air Compressor is popping off due to excessive air tank pressure, it could be due to a pressure switch malfunction. The pressure switch may not be shutting off the motor when the compressor reaches its cut-out pressure, or the pressure switch cut-out is set too high. In this case, set the Auto/Off switch to OFF. If the unit does not shut off, seek assistance from a DeWALT factory service center or an authorized service center.

Summary

Specifications and Technical Data

Pump;Motor Specifications

Details the electrical and performance characteristics of the pump and motor.

Declared Noise Emission Values

Safety Guidelines and Definitions

Important Safety Instructions

Provides critical safety advice before operating the compressor.

Risk of Explosion or Fire

Details hazards from sparks and flammable vapors, and prevention methods.

Breathing Safety Concerns

Risk to Breathing (Asphyxiation)

Warns about breathing compressed air and exposure to harmful dust or vapors.

Air Tank Safety

Risk of Bursting

Explains hazards related to air tank integrity and potential rupture.

Electrical and Projectile Safety

Risk of Electrical Shock

Advises on preventing electric shock from the powered compressor.

Risk from Flying Objects

Alerts users to hazards from compressed air streams and propelled particles.

Surface and Mechanical Safety

Risk of Hot Surfaces

Warns about touching hot components and the risk of burns.

Risk from Moving Parts

Highlights dangers from pulleys, belts, and other moving components.

Operational and Environmental Safety

Risk of Unsafe Operation

Covers general unsafe practices and environmental conditions.

Risk of Falling

Addresses the danger of the unit tipping or falling from elevated positions.

Risk of Injury from Lifting

Emphasizes the need for assistance when lifting the heavy compressor.

Installation and Grounding

Grounding Instructions

Provides essential guidance for safe electrical grounding.

Operating Procedures

Start-up

Shut-down

Maintenance

Maintenance Chart

Checking Safety Valve

Maintenance and Service

Draining Air Tank

Checking Air Filter Element

Troubleshooting

Troubleshooting Guide

Lists common problems, their causes, and corrective actions.

Troubleshooting Codes

Provides specific codes and solutions for identified issues.

DeWalt D55167 Specifications

General

Max Pressure	200 PSI
Tank Capacity	4.5 Gallons
Power Source	Electric
Pump Type	Oil-Free
Voltage	120V
Amperage	15 Amps
Horsepower	1.6 HP
Type	Portable
Noise Level	78 dBA