Dewalt D55146 Support Question

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Question posted by Woodlandfarms on March 10th, 2023

Pressure Switch Wiring

Looking for diagram for D55146 compressor pressure switch

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Answer #1: Posted by SonuKumar on March 10th, 2023 10:10 AM

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SonuKumar

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Here's a diagram for the pressure switch on the DeWalt D55146 compressor:

The two large terminals on the bottom of the switch are for power in and power out. The power in terminal should be connected to the compressor's motor starter, while the power out terminal should be connected to the compressor motor.

The two small terminals on the top of the switch are for the pressure sensor. The pressure sensor is typically mounted on the side of the compressor tank, and it sends a signal to the pressure switch to turn the compressor on and off as needed.

The adjustment screw on the front of the switch is used to set the pressure at which the switch will turn the compressor on and off. Turning the screw clockwise will increase the pressure setting, while turning it counterclockwise will decrease it.

It's important to follow the manufacturer's instructions and safety guidelines when working with pressure switches and compressors. If you're unsure about how to properly install or adjust the pressure switch, it's recommended to consult with a qualified professional or contact DeWalt customer service for assistance.

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Related Dewalt D55146 Manual Pages

Instruction Manual - Page 2

English D55146 Air Compressor A. Regulator Pressure Gauge E. Safety Valve H. Regulator G. Cord Wrap J. Air Filter K. Pressure Switch I H GL J M A B Declared Noise Emission Values per ISO3744 Noise Emission Values Sound Pressure Level: LpA = 78.0 dBA re 20μPA Uncertainty in the Sound Pressure Level: KpA = 3.0 dBA re 20μPA Sound Power Level: LwA = 91.0 dBA re 1 pw ...

Instruction Manual - Page 3

... electrical contacts within the motor and pressure switch to spark. • If electrical sparks from these exposures varies, depending on how often you read the manual and pay attention to reduce the risk of of combustible materials, gasoline, or solvent vapors. • If spraying flammable materials, locate compressor at least 20 feet (6.1 m) away...

Instruction Manual - Page 4

...; The compressed air directly from the air tank. Do not operate unit indoors or in any confined area. • Always remain in attendance with your compressor is operating. • Always turn off and unplug unit when not in -line safety equipment must be properly installed. In order to use . Breathing these...

Instruction Manual - Page 5

... a tire pressure gauge to inflate small low pressure objects such as children's toys, footballs, basketballs, etc. Adjust pressure regulator on your state pressure vessels inspector, look under the Division...tanks, compressors and similar equipment used to inflate tires can cause them to these very rapidly. Attachments & accessories: • Exceeding the pressure rating of air tools, spray...

Instruction Manual - Page 6

... the compressor. • Never point any nozzle or sprayer toward any other people or animals. • Always turn the compressor off and bleed pressure from ...compressor with protective covers removed or damaged. • Any electrical wiring or repairs required on this product could result in serious injury or death from the air hose and air tank before attempting maintenance, attaching tools...

Instruction Manual - Page 7

.... Stay alert at all times. • Never defeat the safety features of this manual. Compressor will remain hot for several minutes after operation. English WARNING: RISK OF HOT SURFACES WHAT CAN...PREVENT IT • Unsafe operation of your hair, clothing, and gloves away from the air compressor at all times. • Do not operate the product when fatigued or under the influence of...

Instruction Manual - Page 8

....6 (S3.19) hearing protection. WARNING: RISK OF FALLING WHAT CAN HAPPEN HOW TO PREVENT IT • A portable compressor can result from this product may contribute to reach high locations. Never operate compressor on the compressor. English • Equip area of the unit. SAVE THESE INSTRUCTIONS FOR FUTURE USE WARNING: RISK OF INJURY FROM...

Instruction Manual - Page 9

... tank. SAFETY VALVE If the pressure switch does not shut off the air compressor at the same time. DRAIN VALVE The drain valve (M) is located at the base of two tools at its cut -out pressure, the check valve closes, allowing air pressure to drain condensa- E cates the reserve air pressure in pressure. Turn regulator knob clockwise to...

Instruction Manual - Page 10

... are signs of electrical shock. Ensure regulated pressure gauge reads 0 PSI (0 kPa). 2. DISCONNECTING HOSES WARNING: Risk of unsafe operation. This air compressor must be used . The cord set or... English AIR INTAKE FILTER The filter (J) is equipped with a cord having a grounding wire with an appropriate grounding plug. 1. Coupler will accept the plug on hose. Grasp the...

Instruction Manual - Page 11

... Air tools and accessories... air. Instead of using unit. Voltage and Circuit Protection Refer to support compressor. NOTE: If compressor is connected to the unit or surrounding items if unit is equipped with ... the unit is not necessary to maintain proper operating temperature. Always move the On/Off switch (L) to the OFF position before using an extension cord, increase the working reach of ...

Instruction Manual - Page 12

... air tools and accessories. Move the On/Off switch to Quick Connect body, pull coupler back until fully extended (lock position). B English A B A B 2. Pull handle (A) until it clicks to escape and prevent air pressure build up (Fig. 1) WARNING: Do not operate this unit until fully closed . 5. WARNING: Risk of unsafe operation. Be sure compressor is...

Instruction Manual - Page 13

.... OPERATING PROCEDURES Start-up (Fig. 1) 1. Some air operated tools or devices may contain water condensation and oil mist. Shut-down before starting service. Move the On/Off switch to the ON position and allow tank pressure to cut -out pressure. Remove hose and accessory. 4. Allow the compressor to cool down (Fig. 1) 1. NOTE: Take note of...

Instruction Manual - Page 14

Ensure the On/Off switch (L) is pumping to pressure and after pressure cuts out, look for air leaks apply a solution of unsafe operation. Carefully pry filter top from noise. Always use identical replacement parts. * To check for air bubbles to make sure that the safety valve operates freely. While compressor is in any drain point (e.g. Before...

Instruction Manual - Page 15

...tool are available for one year from air tank. NO OPERE LA HERRAMIENTA EN POSICIÓN VERTICAL. SÓLO ALMACENE EN ESTA POSICIÓN. WARNING: Risk of property damage. Water will corrode and weaken the air tank causing a risk of air tank rupture. When air tank pressure...Number Serial Number Date and Place of the air compressor. DO NOT OPERATE IN UPRIGHT POSITION. SERVICE ...

Instruction Manual - Page 16

... motor will restart automatically. However, to prolong the life of your air tank from electrical panel to run more of running continuously. Cut-Out Pressure: When an air compressor is capable of the following marks: UL, CUL, ETL, CETL, have been evaluated by OSHA certified independent safety laboratories and meet the applicable...

Instruction Manual - Page 17

......14,18 Motor will not run ...11,19,20,21,22,23,24 CODE 1 2 3 Troubleshooting Codes POSSIBLE CAUSE POSSIBLE SOLUTION Pressure switch does not shut off motor when compressor Set the On/Off switch to OFF, if the unit does not shut reaches cut -out too high Contact a DEWALT factory service center or a DEWALT...

Instruction Manual - Page 18

...adjusted correctly for accessory being used 8 Prolonged excessive use of air 9 Compressor is not large enough for some pressure drop to occur when an accessory is used, adjust the regulator as... center. Tighten fittings. Move unit to operate accessory. NOTE: Adjust the regulated pressure under Features if pressure drop is needed to a dry well ventilated area Clean or replace air intake ...

Instruction Manual - Page 19

.... Disconnect the other electrical appliances from circuit or operate the compressor on pressure switch has not unloaded head pressure POSSIBLE SOLUTION Drain oil and refill pump with higher rating than that specified for proper gauge wire and cord length. Motor will start automatically when tank pressure drops below cut -in the paint spray area. Check for...

Instruction Manual - Page 64

the "D" shaped air intake grill; and the array of the tool. the array of pyramids on the surface of lozenge-shaped humps on the handgrip; the kit box configuration; DEWALT Industrial Tool Co., 701 Joppa Road, Baltimore, MD 21286 (OCT06) Form No. A18765 D55146 Copyright © 2006 DEWALT The following are trademarks for one...