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Dewalt D55168 Support Question

Dewalt D55168 Support Question

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Question posted by JC19505 on December 15th, 2016

Pressure Switch Not Working

My compressor is about three years old & only gets used 3-5 times a year. Now, it wont shut down when the pressure reaches 200lbs, has gone as high as 220 lbs & I manually shut it off, this is a real PITA. I removed the cover on top but found no standard pressure switch as I had on previous compressors & assume it is somehow internal in the motor housing. Any thoughts?Thanks,Jim Carpentere-mail [email protected]

Current Answers

Answer #1: Posted by BusterDoogen on December 15th, 2016 4:27 PM
This answer was accepted by the poster of the original question.
BusterDoogen

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Go here for the regulator kit # N008792.

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Related Dewalt D55168 Manual Pages

Instruction Manual - Page 2

Pressure Regulator E. English D55168 Air Compressor A. Quick Connect F. Safety Valve H. CUT-OUT PRESSURE SCFM @ 90 PSI (620.5 kPa) D55168 88 lbs. (39.92 kg) 41.75" (1060.5mm) 19.0" (482.6 mm) 21.25 (539.8 mm) 15 Gallon (56.8 liters) 160 PSI (1103.2 kPa) 200 PSI (1379.0 kPa) 5.4 FIG. 1 2 B C I . Air Tank Drain Valve I A G D E F H Pressure Switch Pump/Motor Specifications...
Instruction Manual - Page 3

... California to spark. • Always operate the compressor in death or serious injury. CAUTION: Used without the safety alert symbol indicates a potentially hazardous situation which , if not avoided, will result in a well ventilated area free of severity for electrical contacts within the motor and pressure switch to cause cancer, and birth defects or other...
Instruction Manual - Page 4

... to human consumption. • Sprayed materials such as paint, paint solvents, paint remover, insecticides, weed killers, may contain carbon monoxide, toxic vapors, or solid particles from spray area. To reduce the risk of this compressor for the materials you are spraying. The air stream may contain harmful vapors and poisons. • Work in use.
Instruction Manual - Page 5

... protective covers removed or damaged. • Any electrical wiring or repairs required on your state pressure vessels inspector, look under the Division of Labor and Industries in the government section of the steel air tank. • Drain air tank daily or after each use compressor to repair a damaged or leaking air tank. Never attempt to...
Instruction Manual - Page 6

... Grounding: Failure to provide adequate grounding to which are damaged or removed. • Keep your clothing. • Never operate the compressor with side shields when using the compressor. • Never point any nozzle or sprayer toward any part of the body or at high speed, resulting in serious burns. • Never touch any exposed metal...
Instruction Manual - Page 8

... to the pressure switch and OFF to remove power at the base of each use . The cooling system is working when air is used to drain condensation at the end cut-out pressure setting, the safety valve (G) will be heard leaking when the motor is not TANK PRESSURE GAUGE D The tank pressure gauge (B) indicates the B available until the compressor has...
Instruction Manual - Page 9

...pressure gauge reads 0 PSI (0 kPa). 2. Pull coupler on Quick Connect body back to whether the compressor is equipped with a cord having a grounding wire with a grounded outlet (K). Ensure the outlet being used... electrician. DO NOT USE AN ADAPTER. 3. Set...2. Coupler will shut off the motor. Ensure regulated pressure gauge reads 0...Do not use . This plug M MUST be used , be ...
Instruction Manual - Page 10

... On/Off switch (A) to prevent tipping the unit over in the vehicle. TRANSPORTING When transporting the compressor in a vehicle, trailer, etc., make sure the tank is drained and the unit is secured with the flow of air. Use care when driving to the OFF position before using an extension cord, increase the working reach of using unit...
Instruction Manual - Page 11

... tools and accessories. DO NOT lift by moisture. Ensure the drain valve (H) is reached push knob in the OFF position. When the desired pressure is closed. 5. BREAK-IN PROCEDURE WARNING: Risk of unsafe operation. English LIFTING Always use caution when rolling compressor so that could be lifted or pushed up a ramp. 1. Ensure the On/Off switch...
Instruction Manual - Page 12

... to cool down. 6. Move the On/Off switch to cut -out pressure. The tank will stop when tank pressure reaches cut -out pressure and the motor will fill to the ON position. CAUTION: Risk of unsafe operation. NOTE: If finished using compressor, follow Steps 2 - 6. Remove hose and accessory. Ensure air tank pressure gauge reads 0 PSI (0 kPa). Water will start...
Instruction Manual - Page 13

.... 2). Purchase replacement parts from noise. If the safety valve does not work properly, over-pressurization may be regulated and must be difficult to make sure that accumulates in removing moisture, dirt, etc. Draining Air Tank (Fig. 1) WARNING: Risk of burn. Air tanks contain high pressure air. Allow unit to catch discharge. 4. NOTE: Ring may be...
Instruction Manual - Page 14

... sold in certain states or provinces. CAUTION: Risk of the air compressor. Always use of purchase. ACCESSORIES Recommended accessories for use with this tool could be performed by others. We will repair, without air inlet filter AIR COMPRESSOR PUMP INTAKE AND EXHAUST VALVES Once a year have other accessory not recommended for warranty information. English 6. FREE WARNING...
Instruction Manual - Page 15

.... The high pressure at which the motor shuts off , air tank pressure drops when accessory is called cut -in pressure. that bear one or more than its capacity. Cut-Out Pressure: When an air compressor is , the air compressor pump should not run , air pressure in any given hour. 15 The low pressure at which the motor automatically restarts is used...
Instruction Manual - Page 16

......6 Knocking Noise...6 Pressure reading on the regulated pressure gauge drops when an accessory is used 7 Compressor is not supplying ...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 pressure off contact a DEWALT factory service center or a DEWALT authorized service center. 2 Pressure switch cut-out too high...
Instruction Manual - Page 17

... It is damaged 14 Motor overload protection switch has tripped 15 Tank pressure exceeds pressure switch cut -in pressure of bursting. Operate safety valve manually by your air compressor, a larger compressor is used 8 Prolonged excessive use of air usage. NOTE: Adjust the regulated pressure under Features. Tighten fittings. English Remove, clean or replace. Refer to occur...
Instruction Manual - Page 18

... service center or a DEWALT authorized service center. Do not use a time delay fuse. 3. Check for low voltage conditions and/or proper extension cord. 4. Check wiring connection inside pressure switch and terminal box area. Disconnect the other electrical appliances from circuit or operate the compressor on the pressure switch to the Air Filter paragraph in the paint spray...
Instruction Manual - Page 56

... configuration; A18764 D55168 Copyright © 2006 DEWALT The following are trademarks for one or more DEWALT power tools: the yellow and black color scheme; the array of pyramids on the surface of lozenge-shaped humps on the handgrip; the "D" shaped air intake grill; and the array of the tool. DEWALT Industrial Tool Co., 701...
Parts Diagram - Page 2

...parts information. Page 1 All Rights Reserved. Please visit www.dewaltservicenet.com for D55168 Type 5 Description Qty Required A16537 TANK ASSEMBLY 1 N008517 WHEEL 2 A01194 BOLT...SCREW #8-32X.375/.34 2 A03857 WASHER 1 N092738 JUMPER 1 ACG-18 CUP SADDLE MOUNT 1 N043321 ROCKER SWITCH 1 CAC-1206-1 CLAMP HOSE .250 ID H 2 D21172 SCREW .250-20X.500 H 4 N015665SV HANDLE...
Parts Diagram - Page 3

Please visit www.dewaltservicenet.com for D55168 Type 5 Description Qty Required REGULATOR BONNET 1 KNOB 1 REGULATOR/MANIFOLD 1 GAUGE 1 FITTING 1 GAUGE 1 MICRO PRESS. SWITCH 1 SAFETY VALVE 1 BRACKET 1 COVER 1 SHROUD REAR 1 FILTER ASSY. 1 FILTER REPLACEMENT 1 DRAIN VALVE 1 GRILL 1 SCREW 1 HOSE 1 HOSE 1 CLAMP 2 LABEL 1 WARNING LABEL 1 LABEL 1 LABEL 1...
Parts Diagram - Page 4

Please visit www.dewaltservicenet.com for D55168 Type 5 Description Qty Required PLUG PIPE 2 BODY QC .250 IND .25 1 BRUSH 2 BRUSH SPRING 2 BELT 1 FAN 1 SCREW 1 MOTOR PULLEY 1 FLYWHEEL 1 CONN ROD/PISTON ASSY 1 SCREW 1 ...

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