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Question posted by chucknts on April 11th, 2021

Regulator Bonnet

Regulator bonnetWhy did my regulator bonet blow off and almost hit me in the side of the head

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Answer #1: Posted by techyagent on April 13th, 2021 4:45 AM

techyagent

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To avoid this problem, the following welding safety procedures should always be followed:

1. Crack the oxygen cylinder valve before you attach the regulator. To do this, stand to one side or to the rear of the cylinder outlet. Open the cylinder valve slight for an instant and then close it. This should clean accumulated dust and dirt from the valve.

2. Use only oxygen regulators to control oxygen supply. Switching regulators from non-oxygen use to oxygen use can introduce contaminants into the system. Be sure the valve is clean and free of grease and oil. Never use an oxygen regulator for other gases.

3. Before opening the cylinder valve, be sure the oxygen regulator pressure-adjusting screw is released. To do this, rotate the screw counter clockwise until it turns freely.

4. Stand to one wide whole opening the oxygen cylinder valve. Open the valve as slowly as possible until the high pressure gauge reaches cylinder pressure. Never open the cylinder valve suddenly, as sudden surges of high pressure can cause a blow out.

https://fluidpowerjournal.com/understanding-the-characteristics-of-pressure-regulators/

Thanks

Techygirl

Related Dewalt D55146 Manual Pages

Instruction Manual - Page 2

...liters) 160 PSI (827.3 kPa) 200 PSI (1034.2 kPa) 5.2 78 dBA FIG. 1 K FD E C I . Regulator G. Drain Valve Pump/Motor Speciﬁcations Voltage: Single 120V Minimum branch circuit requirement: 15 A Fuse Type: Time delay Speci... the value of a single tool will lie below when the tool is new. 2 Regulator Pressure Gauge E. Storage Support D. English D55146 Air Compressor A.

Instruction Manual - Page 3

...HAPPEN • It is normal for safety, operation and maintenance instructions. When using such tools. An additional length of California to cause cancer, and birth defects or other construction activities ... wear OSHA/MSHA/NIOSH approved, properly fitting face mask or respirator when using air tools, basic safety precautions should always be followed to reduce the risk of of California...

Instruction Manual - Page 5

... the steel air tank. • Drain air tank daily or after each use . Adjust pressure regulator on your state pressure vessels inspector, look under the Division of Labor and Industries in the government section of air tools, spray guns, air operated accessories, tires, and other components which control air tank pressure. •...

Instruction Manual - Page 6

... 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 or accessories. 6 Like any part of the body or at other electrically powered device, If it may cause electric shock. • Repairs attempted by unqualified...

Instruction Manual - Page 7

... death to you to moving parts and can result in serious injury. • Any repairs required on this product should be avoided as the compressor head, engine head, engine exhaust or outlet tubes, can result in serious burns. • Never touch any exposed metal parts on compressor during or immediately after operation...

Instruction Manual - Page 9

...connect bodies allow the use of two tools at the end of each use . See Draining Air Tank under Maintenance. Turn regulator knob clockwise to increase pressure and ...Fig. 1) ON/OFF SWITCH Place this fan to blow air through the vent holes in large amounts. KF D REGULATED PRESSURE GAUGE The regulated pressure gauge (D) indicates the air pressure available at ...

Instruction Manual - Page 10

... checked by a qualified electri- English AIR INTAKE FILTER The filter (J) is seated. Ensure regulated pressure gauge reads 0 PSI (0 kPa). 2. Grasp the hose and pull to ensure coupler...installing or disconnecting to the cord set and plug (R) with an appropriate grounding plug. 1. Ensure regulated pressure gauge reads 0 PSI (0 kPa). 2. IMPORTANT: The outlet being used , be sure ...

Instruction Manual - Page 11

... unit. Voltage and Circuit Protection Refer to its end. NOTE: If compressor is connected to remove moisture and oil vapor when spraying paint. Compatibility Air tools and accessories that the air tank is drained and the unit is not necessary to maintain proper operating temperature. Place the air compressor on a flat...

Instruction Manual - Page 12

...up (Fig. 1) WARNING: Do not operate this instruction manual for air tools and accessories. The regulator outlet pressure must never exceed the maximum pressure rating. Be sure compressor ... Checklist (Fig. 1) 1. Plug the power cord into the correct branch circuit receptacle. Turn regulator knob (F) counterclockwise until it clicks to the ON position. NOTE: If hose is closed ...

Instruction Manual - Page 13

...out pressure and the motor will stop . 7. Read the instructions for 15 minutes. 6. See Regulator under Maintenance. NOTE: If finished using compressor, follow Steps 2 - 6. 2. Allow the compressor... for the air tool or device. 3. Follow Pre-Start Checklist under Preparation for storage only. 2. Do not operate in a safe, non-freezing area. Turn regulator knob (F) counterclockwise ...

Instruction Manual - Page 14

...stuck or does not operate smoothly, it must be replaced with local, state, and federal laws and regulations. 1. If element needs cleaning, blow out with side shields when using the compressor. If the valve is at the lowest point (this...on the safety valve to servicing. CAUTION: Risk of compressor into face. outlet tube, pump head, and surrounding parts are very hot, do not touch.

Instruction Manual - Page 15

..., which vary in Latin America, see website for a free replacement. Always use with this tool could be performed by others. LATIN AMERICA: This warranty does not apply to faulty materials or...the air tank causing a risk of bursting. Full One Year Warranty DEWALT heavy duty industrial tools are available for one year from your warning labels become illegible or are missing, call 1-800...

Instruction Manual - Page 17

... or at air tank welds 4 Air leaks between head and valve plate 5 Air leaks from safety valve...6 Knocking Noise...6,16,17 Pressure reading on the regulated pressure gauge drops when an accessory is used 7 ... Set the On/Off switch to operate accessories 8,9,10,11,12,15 Regulator knob has continuous air leak 13 Regulator will not shut off air outlet 13 Moisture in pump crankcase...14,18...

Instruction Manual - Page 18

... service center. Move unit to occur when an accessory is used, adjust the regulator as instructed in pump. 18 POSSIBLE SOLUTION Air tank must be replaced. English CODE ...Contact a DEWALT factory service center or a DEWALT authorized service center. NOTE: Adjust the regulated pressure under flow conditions while accessory is being used 8 Prolonged excessive use of air 9...

Instruction Manual - Page 19

... replace as necessary. Motor will start automatically when tank pressure drops below cut -in pressure 24 Pressure release valve on pressure switch has not unloaded head pressure POSSIBLE SOLUTION Drain oil and refill pump with higher rating than that specified for your particular branch circuit. 2. See Extension Cords under Installation. Do...

Instruction Manual - Page 64

the kit box configuration; A18765 D55146 Copyright © 2006 DEWALT The following are trademarks for one or more DEWALT power tools: the yellow and black color scheme; the "D" shaped air intake grill; the array of the tool. and the array of lozenge-shaped humps on the surface of pyramids on the handgrip; DEWALT Industrial...