DeWalt DXCM271.COM Mode d'emploi

DXCM271 (CSA# U3A2008X)

Oilless, Single Stage, Electric Air Compressors

Sans l’huile, d’une seul étape, compresseurs d’air électriques

Sin aciete, de una sola etapa, compresores de aire eléctricos

INSTRUCTION MANUAL

GUIDE D'UTILISATION

MANUAL DE INSTRUCCIONES

INSTRUCTIVO DE OPERACIÓN, CENTROS DE SERVICIO Y

PÓLIZA DE GARANTÍA. ADVERNTENCIA: LÉASE ESTE

INSTRUCTIVO ANTES DE USAR EL PRODUCTO.

If you have questions or comments, contact us.

Pour toute question ou tout commentaire, nous contacter.

Si tiene dudas o comentarios, contáctenos.

1-888-895-4549 • www.dewalt.com

MAT Industries, LLC, Long Grove, IL 60047

DXCM271_E111728_27 Gal manual_ENG-FRN-SPN_ID9732_071718_KC.indd 1 7/18/18 9:50 AM

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Air Compressor

A. Pump Air Intake Filter

B. Auto (-) / Off (O) Switch

C. Air Tank Pressure Gauge

D. Regulated Pressure Gauge

E. Pressure Regulator

F. Air Outlet

G. Safety Valve

H. Air Tank Drain Valve

I. Check Valve

J. Quick Connect

Pump/Motor Speciﬁcations

Oil Free

Direct Drive

5.1 SCFM @ 90 PSI

VOLTAGE: Single Phase 120V

MINIMUM BRANCH CIRCUIT REQUIREMENT: 15A

FUSE TYPE: Time Delay

Speciﬁcations

MODEL DXCM271 (CSA# U3A2008X)

WEIGHT 111 lbs. (50.3 kg)

HEIGHT 50.6"

WIDTH 24.2"

LENGTH

21.3"

AIR TANK CAPACITY 27 gallons (102,2 liters)

APPROX. CUT-OUT PRESSURE

200 PSI

G

I

D

F

B

A

C

J

E

H

FIG. 1

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Deﬁnitions: Safety Guidelines

The definitions below describe the level of severity for each

signal word. Please read the manual and pay attention to

these symbols.

DANGER: Indicates an imminently hazardous situation

which, if not avoided, will result in death or serious

injury.

WARNING: Indicates a potentially hazardous situation

which, if not avoided, could result in death or serious

injury.

CAUTION: Indicates a potentially hazardous situation

which, if not avoided, may result in minor or moderate

injury.

NOTICE: Indicates a practice not related to personal

injury which, if not avoided, may result in property

damage.

IF YOU HAVE ANY QUESTIONS OR COMMENTS ABOUT THIS

OR ANY D

e

WALT TOOL, CALL US TOLL FREE AT:

1-888-895-4549

Important Safety Instructions

WARNING: Do not operate this unit until you read this

instruction manual for safety, operation and maintenance

instructions.

WARNING: CONTAINS LEAD. May be harmful if eaten or

chewed. May generate dust containing lead. Wash hands after

use. Keep out of reach of children.

WARNING: This product can expose you to chemicals

including lead, which is known to the State of California to

cause cancer and birth defects or other reproductive harm. For

more information go to www.P65Warnings.ca.gov.

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• Unattended operation of this

product could result in per-

sonal injury or property dam-

age. To reduce the risk of

fire, do no allow the com-

pressor to operator unat-

tended

• Always remain in attendance

with the product when it is

operating.

• Always turn off and unplug

unit when not in use.

DANGER: RISK TO BREATHING (ASPHYXIATION)

WHAT CAN HAPPEN HOW TO PREVENT IT

• The compressed air directly

from your compressor is not

safe for breathing. The air

stream may contain carbon

monoxide, toxic vapors,

or solid particles from the

air tank. Breathing these

contaminants can cause

serious injury or death.

• Never use air obtained directly

from the compressor to supply

air for human consumption.

The compressor is not

equipped with suitable filters

and in-line safety equipment

for human consumption.

• Exposure to chemicals

in dust created by

power sanding, sawing,

grinding, drilling and other

construction activities may

be harmful.

• Sprayed materials such as

paint, paint solvents, paint

remover, insecticides, weed

killers, may contain harmful

vapors and poisons.

• Work in an area with good

cross ventilation. Read and

follow the safety instructions

provided on the label or

safety data sheets for the

materials you are spraying.

Always use certified safety

equipment: NIOSH/OSHA

respiratory protection or

properly fit ting face mask

designed for use with your

specific application.

SAVE THESE INSTRUCTIONS

DANGER: RISK OF EXPLOSION OR FIRE

WHAT CAN HAPPEN HOW TO PREVENT IT

• It is normal for electrical con-

tacts within the motor and

pressure switch to spark.

• Always operate the compres-

sor in a well ventilated area

free of combustible materials,

gasoline, or solvent vapors.

• If electrical sparks from com-

pressor come into contact

with flammable vapors, they

may ignite, causing fire or

explosion.

• If spraying flammable materi-

als, locate compressor at

least 20' (6.1m) away from

spray area. An additional

length of air hose may be

required.

• Store flammable materials in

a secure location away from

compressor.

• Restricting any of the com-

pressor ventilation openings

will cause serious overheat-

ing and could cause fire.

• Never place objects against

or on top of compressor.

• Operate compressor in an

open area at least 12”

(30.5 cm) away from any wall

or obstruction that would

restrict the flow of fresh air to

the ventilation openings.

• Operate compressor in a

clean, dry well ventilated

area. Do not operate unit in

any confined area. Store

indoors.

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DANGER: RISK OF BURSTING

Air Tank: On February 26, 2002, the U.S. Consumer Product Safety

Commission published Release # 02-108 concerning air compres-

sor tank safety:

Air compressor receiver tanks do not have an infinite life. Tank life is

dependent upon several factors, some of which include operating

conditions, ambient conditions, proper installations, field modifica-

tions, and the level of maintenance. The exact effect of these fac-

tors on air receiver life is difficult to predict.

If proper maintenance procedures are not followed, internal corro-

sion to the inner wall of the air receiver tank can cause the air tank

to unexpectedly rupture allowing pressurized air to suddenly and

forcefully escape, posing risk of injury to consumers.

Your compressor air tank must be removed from service by the end

of the year shown on your tank warning label.

The following conditions could lead to a weakening of the air tank,

and result in a violent air tank explosion:

WHAT CAN HAPPEN HOW TO PREVENT IT

• Failure to properly drain

condensed water from air tank

causes rust and thinning of the

steel air tank.

• Drain air tank daily or after each

use. If air tank develops a leak,

replace it immediately with

a new air tank or replace the

entire compressor.

• Modifications or attempted

repairs to the air tank.

• Never drill into, weld or make

any modifications to the air

tank or its attachments. Never

attempt to repair a damaged or

leaking air tank. Replace with a

new air tank.

• Unauthorized modifications to

the safety valve, or any other

components which control air

tank pressure.

• The air tank is designed

to withstand specific

operating pressures. Never

make adjustments or parts

substitutions to alter the factory

set operating pressures.

Attachments & Accessories:

• Exceeding the pressure rating

of air tools, spray guns, air

operated accessories, tires

and other inflatables can

cause them to explode or

fly apart, and could result in

serious injury.

• Follow the equipment

manufacturers

recommendation and never

exceed the maximum allowable

pressure rating of attachments.

Never use compressor to

inflate small low pressure

objects such as children’s toys,

footballs, basketballs, etc.

Tires:

• Over inflation of tires could

result in serious injury and

property damage.

• Use a tire pressure gauge to

check the tires pressure before

each use and while inflating

tires; see the tire sidewall for

the correct tire pressure.

NOTE:

Air tanks, compressors

and similar equipment used to

inflate tires can fill small tires

very rapidly. Adjust pressure

regulator on air supply to no

more than the rating of the

tire pressure. Add air in small

increments and frequently use

the tire gauge to prevent over

inflation.

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WARNING: RISK FROM FLYING OBJECTS

WHAT CAN HAPPEN HOW TO PREVENT IT

• The compressed air stream

can cause soft tissue damage

to exposed skin and can

propel dirt, chips, loose

particles and small objects

at high speed, resulting in

property damage or personal

injury.

• Always wear certified safety

equipment: ANSI Z87.1 eye

protection (CAN/CSA Z94.3)

with side shields when using

the compressor.

• Never point any nozzle or

sprayer toward any part of

the body or at other people or

animals.

• Always turn the compressor

off and bleed pressure from

the air hose and air tank before

attempting maintenance,

attaching tools or accessories.

WARNING: RISK OF HOT SURFACES

WHAT CAN HAPPEN HOW TO PREVENT IT

• Touching exposed metal such

as the compressor head or

outlet tubes, can result in

serious burns.

• Never touch any exposed

metal parts on compressor

during or immediately after

operation. Compressor will

remain hot for several minutes

after operation

• Do not reach around

protective shrouds or attempt

maintenance until unit has

been allowed to cool.

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WARNING: RISK OF ELECTRICAL SHOCK

WHAT CAN HAPPEN HOW TO PREVENT IT

• Your compressor is powered

by electricity. Like any other

electrically powered device,

if it is not used properly it

may cause electric shock.

• Never operate the compres-

sor outdoors when it is rain-

ing or in wet conditions.

• Never operate compres-

sor with protective covers

removed or damaged.

• Repairs attempted by

unqualified personnel can

result in serious injury or

death by electrocution.

• Any electrical wiring or

repairs required on this

product should be per-

formed by authorized ser-

vice center personnel in

accordance with national

and local electrical codes.

• Electrical Grounding:

Failure to provide adequate

grounding to this product

could result in serious injury

or death from electrocu-

tion. Refer to Grounding

Instructions paragraph in

the INSTALLATION section.

• Make certain that the elec-

trical circuit to which the

compressor is connected

provides proper electrical

grounding, correct voltage

and adequate fuse protection.

WARNING: RISK OF UNSAFE OPERATION

WHAT CAN HAPPEN HOW TO PREVENT IT

• Unsafe op er a tion of your air

compressor could lead to se ri-

ous in ju ry or death to you or

others.

• Review and understand all

instructions and warnings in

this manual.

• Be come fa mil iar with the op er-

a tion and con trols of the air

compressor.

• Keep operating area clear of all

persons, pets, and obstacles.

• Keep chil dren away from the air

compressor at all times.

• Do not operate the product

when fatigued or under the

influence of alcohol or drugs.

Stay alert at all times.

• Never defeat the safety fea tures

of this prod uct.

• Equip area of operation with a

fire extinguisher.

• Do not op er ate machine with

missing, broken, or un au tho-

rized parts.

• Never stand on the

compressor.

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WARNING: RISK FROM MOVING PARTS

WHAT CAN HAPPEN HOW TO PREVENT IT

• Moving parts such as the

pulley, flywheel, and belt can

cause serious injury if they

come into contact with you or

your clothing.

• Never operate the compressor

with guards or covers which are

damaged or removed.

• Keep your hair, clothing and

gloves away from moving parts.

Loose clothes, jewelry or long

hair can be caught in moving

parts.

• Air vents may cover moving

parts and should be avoided as

well.

• Attempting to operate

compressor with damaged or

missing parts or attempting

to repair compressor with

protective shrouds removed

can expose you to moving

parts and can result in serious

injury.

• Any repairs required on this

product should be performed

by a D

e

WALT factory service

center or a D

e

WALT authorized

service center.

WARNING: RISK OF

INJURY FROM LIFTING

WHAT CAN HAPPEN HOW TO PREVENT IT

• Serious injury can result from

attempting to lift too heavy an

object.

• The compressor is too heavy

to be lifted by one person.

Obtain assistance from others

before lifting.

CAUTION: RISK FROM NOISE

WHAT CAN HAPPEN HOW TO PREVENT IT

• Under some conditions and

duration of use, noise from

this product may contribute to

hearing loss.

• Always wear certified safety

equipment: ANSI S12.6

(S3.19) hearing protection.

SAVE THESE INSTRUCTIONS

FOR FUTURE USE

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Know Your Air Compressor

READ THIS OWNER’S MANUAL AND SAFETY RULES BEFORE

OPERATING YOUR UNIT. Compare the illustrations with your

unit to familiarize yourself with the location of various controls

and adjustments. Save this manual for future reference.

FEATURES

AUTO (-) / OFF (O) SWITCH

Place this switch (B) in the “Auto (-)” position to

provide automatic power to the pressure switch

and “Off (O)” to remove power at the end of each

use.

PRESSURE SWITCH

The pressure switch (not shown) automatically starts the motor when

the air tank pressure drops below the factory set cut-in pressure.

It stops the motor when the air tank pressure reaches the factory set

cut-out pressure.

SAFETY VALVE

This valve (G) is designed to prevent system

failures by relieving pressure from the

system when the compressed air reaches a

predeter mined level. The valve is preset by

the manu facturer and must not be removed

or modified in any way.

CHECK VALVE

When the air compressor is operating, the

check valve (K) is open, allowing compressed

air to enter the air tank. When the air

compressor reaches cut-out pressure, the

check valve closes, allowing air pressure to

remain inside the air tank.

AIR INTAKE FILTER

The filter (A) is designed to clean air entering the

pump. To ensure the pump continually receives a

clean, cool, and dry air supply the filter must always

be clean and the filter intake must be free from

obstructions.

AIR TANK DRAIN VALVE

The drain valve (H) is located at the base of the

air tank and is used to drain condensation at the

end of each use. See Draining Air Tank under

MAINTENANCE.

REGULATED PRESSURE GAUGE

The regulated pressure gauge (D)

indicates the air pressure available

at the outlet side of the regulator.

This pressure is controlled by the

regulator and is always less or equal

to the air tank pressure.

TANK PRESSURE GAUGE

The tank pressure gauge (C)

indicates the reserve air pressure in

the tank.

UNIVERSAL QUICK CONNECT BODY

The universal quick connect body (L) accepts the three most popular

styles of quick connect plugs: Industrial, automotive, and ARO.

One hand push-to-connect operation makes connections simple

and easy.

G

K

H

E

C

D

L

A

B

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REGULATOR

The regulator knob (E) controls the air pressure coming from the air

tank.

To Adjust Regulator:

Turn knob clockwise to increase regulated pressure and

counterclockwise to decrease regulated pressure.

WARNING: Risk of Bursting. Too much air pressure causes

a hazardous risk of bursting. Check the manufacturer’s

maximum pressure rating for air tools and accessories.

The regulator outlet pressure must never exceed the maximum

pressure rating.

AIR COMPRESSOR PUMP

The pump compresses air into the air tank. Working air is not available

until the compressor has raised the air tank pressure above that

required at the air outlet.

MOTOR OVERLOAD PROTECTOR

The motor has a thermal overload protector. If the motor overheats for

any reason, the overload protector will shut off the motor. The motor

must be allowed to cool down before restarting. To restart:

1. Set the Auto/Off switch to “Off (O)” and unplug unit.

2. Allow the motor to cool.

3. Plug the power cord into the correct branch circuit receptacle.

4. Set the Auto/Off switch to “Auto (-)”.

INSTALLATION

Assembly (Fig. 1)

Unpack the air compressor. Inspect the unit for damage. If the

unit has been damaged in transit, contact the carrier and

complete a damage claim. Do this immediately because there are

time limitations to damage claims.

The carton should contain:

• Air compressor

• Operator and parts manuals

Check the compressor’s serial label to ensure that you have

received the model ordered, and that it has the required pressure

rating for its intended use.

INSTALLING HOSES

WARNING: Risk of unsafe operation. Firmly grasp hose in

hand when installing or disconnecting to prevent hose whip.

1. Ensure regulated pressure gauge reads 0 PSI (0 kPa).

2. Grasp the hose at the Quick Connect plug and push the plug

into the Quick Connect body (E). Coupler will snap into place.

3. Grasp the hose and pull to ensure coupler is seated.

DISCONNECTING HOSES

WARNING: Risk of unsafe operation. Firmly grasp hose in

hand when installing or disconnecting to prevent hose whip.

1. Ensure regulated pressure gauge reads 0 PSI (0 kPa).

2. Pull coupler on Quick Connect body back to release Quick

Connect plug on hose.

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Lubrication

AIR COMPRESSOR

Oilless air compressors are factory lubricated for life and do not

require any oil.

Compatibility

Air tools and accessories that are run off the compressor must be

compatible with petroleum based products. If you suspect that a

material is not compatible with petroleum products, an air line filter

for removal of moisture and oil vapor in compressed air is required.

NOTE: Always use an air line filter to remove moisture and oil vapor

when spraying paint.

Location

• Locate the air compressor in a clean, dry, and well ventilated

area.

• Located the air compressor at least 12" (30.5 cm) away from

the wall or other obstructions that will interfere with the flow of

air.

• Locate the air compressor as close to the main power supply

as possible to avoid using long lengths of electrical wiring.

NOTE: Long lengths of electrical wiring could cause power

loss to the motor.

• The air filter must be kept clear of obstructions which could

reduce air flow to the air compressor.

Wiring Instructions

WARNING: Improper electrical installation of this product

may void its warranty and your fire insurance. Have circuit wiring

performed by qualified personnel such as a licensed electrician

who is familiar with the current national electrical code and any

prevailing local electrical codes.

WARNING: Risk of electrical shock. Improper electrical

grounding can result in electrical shock. The wiring should be

done by a qualified electrician.

A qualified electrician needs to know the following before wiring:

1. If the amperage rating of the electrical box is adequate. Refer

to the Pump/Motor Specifications, in the parts manual, for

this information.

2. If the supply line has the same electrical characteristics

(voltage, cycle, phase) as the motor. Refer to the

Pump/Motor Specifications for this information.

NOTE: The wiring used must be rated for the motor voltage, plus

or minus 10%. Refer to local codes for recommended wire sizes,

correct wire size, and maximum wire run; undersized wire causes

high amp draw and overheating to the motor.

WARNING: Risk of electrical shock. Electrical wiring must

be located away from hot surfaces such as manifold assembly,

compressor outlet tubes, heads, or cylinders.

Grounding Instructions

WARNING: This product must be grounded. In the event of an

electrical short circuit, grounding reduces the risk of electric shock

by providing an escape wire for the electric current. This product is

equipped with a cord having a grounding wire with an appropriate

grounding plug. The plug must be plugged into an outlet that is

properly installed and grounded in accordance with all local codes

and ordinances.

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WARNING: Improper installation of the

grounding plug may result in a risk of

electric shock. When repair or replacement

of the cord or plug is required, do not

connect the grounding wire to either at

blade terminal. The wire with insulation

having an outer surface that is green with

or without yellow stripes is the grounding

wire.

Substitution of the word “DANGER” for “WARNING” is not prohibited

when the risk associated with the product is such that a situation

exists which if not avoided will result in death or serious injury.

Check with a qualied electrician or serviceman when the grounding

instructions are not completely understood, or when in doubt as to

whether the product is properly grounded. Do not modify the plug

provided; if it does not t the outlet, have the proper outlet installed

by a qualied electrician.'

The portable air compressor is equipped with a cord having a

grounding wire with an appropriate grounding plug.

1. The cord set and plug (O) with this unit contains a grounding

pin (P). This plug MUST be used with a grounded outlet (Q).

This product is for use on a nominal 120-V circuit and has a

grounding plug similar to the plug illustrated in figure. Only connect

the product to an outlet having the same configuration as the plug.

Do not use an adapter with this product.

Extension Cords

If an extension cord must be used, be sure it is:

• A 3-wire extension cord that has a 3-blade grounding plug, and

a 3-slot receptacle that will accept the plug on the product

• In good condition and your extension cord is not damaged.

• Plug is not worn

• No longer than 50 feet (15.2 m)

• 12 gauge (AWG) or larger. (Wire size increases as gauge number

decreases. 10 AWG and 8 AWG may also be used. DO NOT

USE 14 OR 16 AWG.)

NOTICE: The use of an undersized extension cord will cause volt-

age to drop resulting in power loss to the motor and overheating.

Instead of using an extension cord, increase the working reach of

the air hose by attaching another length of hose to its end. Attach

additional lengths of hose as needed. Always use a minimum 3/8”

(9.5 mm) or greater air hose rated at 300 PSI.

Voltage and Circuit Protection

Refer to the Voltage and Minimum Branch Circuit Requirements

under Pump/Motor Specifications.

CAUTION: Certain air compressors can be operated on a

15 amp circuit if the following conditions are met.

• Voltage supply to circuit must comply with the National

Electrical Code.

• Circuit is not used to supply any other electrical needs.

• Extension cords comply with specifications.

• Circuit is equipped with a 15 amp circuit breaker or 15 amp

time delay fuse. NOTE: If compressor is connected to a cir-

cuit protected by fuses, use only time delay fuses. Time delay

fuses should be marked “D” in Canada and “T” in the U.S.

If any of the above conditions cannot be met, or if operation of the

compressor repeatedly causes interruption of the power, it may be

necessary to operate it from a 20 Amp circuit. It is not necessary to

change the cord set.

P

O

Q

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How to Use Your Unit

How to Stop:

Set the Auto/Off switch to “Off (O)”.

Before Starting

WARNING: Do not operate this unit until you read this

instruction manual for safety, operation and maintenance

instructions.

Break-in Procedure

NOTICE: Risk of property damage. Serious damage may result if

the following break-in instructions are not closely followed.

This procedure is required before the air compressor is put into

service and when the check valve or a complete compressor pump

has been replaced.

1. Make sure the Auto/Off switch is in the “Off (O)” position.

2. Plug the power cord into the correct branch circuit receptacle.

(Refer to Voltage and Circuit Protection paragraph in the

installation section of this manual.)

3. Open the drain valve fully to permit air to escape and prevent

air pressure build up in the air tank during the break-in period.

4. Move the Auto/Off switch to “Auto (-)” position. The

compressor will start.

5. Check all air line fittings and connections/piping for air leaks

by applying a soap solution. Correct if necessary.

NOTE: Minor leaks can cause the air compressor to overwork,

resulting in premature breakdown or inadequate performance.

6. Run the compressor for 15 minutes.

7. Check for excessive vibration.

8. Turn the Auto/Off switch to the “Off (O)” position.

9. Close the drain valve.

10.Turn the Auto/Off switch to the “Auto (-)” position. The air

receiver will fill to “cut-out” pressure and the motor will stop.

The compressor is now ready for use.

Before Each Start-Up

1. Place Auto/Off switch to “Off (O)”.

2. Close the drain valve.

3. Visually inspect air lines and fittings for leaks.

4. Check safety valve. See To Check Safety Valve under

MAINTENANCE.

5. Turn the regulator knob counterclockwise to set the outlet

pressure to zero.

6. Attach hose and accessories.

WARNING: Risk of unsafe operation. Firmly grasp air hose in

hand when installing or disconnecting to prevent hose whip.

WARNING: Risk of unsafe operation. Do not use damaged or

worn accessories.

NOTE: The hose or accessory will require a quick connect plug if

the air outlet is equipped with a quick connect socket.

WARNING: Risk of bursting. Too much air pressure causes a

hazardous risk of bursting. Check the manufacturer’s maximum

pressure rating for air tools and accessories. The regulator outlet

pressure must never exceed the maximum pressure rating.

CAUTION: Risk of unsafe operation. Compressed air from the

unit may contain wa ter condensation and oil mist. Do not spray

un fil tered air at an item that could be damaged by moisture.

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Some air tools and accessories may require filtered air. Read the

in struc tions for the air tools and accessories.

How to Start

1. Turn the Auto/Off switch to “Auto (-)” and allow tank pressure

to build. Motor will stop when tank pressure reaches “cut-out”

pressure.

2. Turn the regulator knob clockwise to increase pressure.

IMPORTANT: When using regulator and other accessories refer to

the manufacturers instructions.

WARNING: Risk of bursting. If any unusual noise or vibration

is noticed, stop the compressor immediately and have it checked

by a trained service technician.

The compressor is ready for use.

Shut-down

1. Move Auto/Off switch to the “Off (O)” position.

NOTE: If finished using compressor, follow Steps 2 - 7.

2. Turn the regulator knob counterclockwise until fully closed. Ensure

regulated pressure gauge reads 0 PSI (0 kPa).

3. Remove hose and accessory.

WARNING: Risk of unsafe operation. Firmly grasp air hose in

hand when installing or disconnecting to prevent hose whip.

4. Drain the air tank,

see Draining Air Tank under MAINTENANCE

.

Ensure air tank pressure gauge reads 0 PSI (0 kPa).

WARNING: Risk of bursting. Drain air tank daily. Water will

condense in air tank. If not drained, water will corrode and

weaken the air tank causing a risk of air tank rupture.

5. Allow the compressor to cool down.

6. Wipe air compressor clean and store in a safe, non-freezing area.

7. Unplug air compressor and wrap the power cord loosely around

the handle.

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MAINTENANCE

Maintenance Chart

Procedure

Daily

Weekly

Monthly

1 year

or 100

Hours

See tank

warning

label

Check safety valve

X

Inspect air filter

X

+

Drain air tank

X

Check for unusual noise/vibration

X

Check for air leaks

X*

Clean compressor exterior

X

Remove tank from service

X

++

* To check for air leaks apply a solution of soapy water around joints.

While compressor is pumping to pressure and after pressure cuts out,

look for air bubbles to form.

+ Perform more frequent in dusty or humid conditions.

++

For more information, call 1-888-895-4549 .

WARNING: Risk of unsafe operation. Unit cycles automati-

cally when power is on. When performing maintenance, you

may be exposed to voltage sources, compressed air, or moving

parts. Personal injuries can occur. Before performing any main-

tenance or repair, disconnect power source from the compres-

sor and bleed off all air pressure.

To ensure efficient operation and longer life of the air compressor

outfit, a routine maintenance schedule should be prepared and fol-

lowed. The routine maintenance schedule (shown above) is geared

to an outfit in a normal working environment operating on a daily

basis. If necessary, the schedule should be modified to suit the con-

ditions under which your compressor is used. The modifications

will depend upon the hours of operation and the working environ-

ment. Compressor outfits in an extremely dirty and/or hostile envi-

ronment will require a greater frequency of all maintenance checks.

NOTE: See OPERATION section for the location of controls.

Checking Safety Valve

WARNING: Hot surfaces. Risk of burn. Tubes, pump head,

and surrounding parts are very hot, do not touch. Allow

compressor to cool prior to servicing.

WARNING: Risk of bursting. If the safety valve does not

work properly, over-pressurization may occur, causing air tank

rupture or an explosion.

WARNING: Risk from flying objects. Always wear certified

safety equipment: ANSI Z87.1 eye protection (CAN/CSA Z94.3)

with side shields.

Before starting compressor, pull the ring on the safety valve to

make sure that the safety valve operates freely. If the valve is

stuck or does not operate smoothly, it must be replaced with the

same type of valve.

Checking Air Filter

WARNING: Hot surfaces. Risk of burn. Tubes, pump head, and

surrounding parts are very hot, do not touch. Allow compressor

to cool prior to servicing.

1. Ensure motor Auto/Off switch switch is in the

“Off (O)” position.

2. Allow unit to cool.

3. Remove filter (A).

A

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4 If filter needs cleaning, blow out with air. Replace if needed.

Purchase replacement parts from your local dealer or

authorized service center. Always use identical replacement

parts.

5. Place filter back in filter base.

CAUTION: Risk of unsafe operation. Do not operate without air

filter.

Draining Air Tank

WARNING: Risk of unsafe operation. Air tanks contain high

pressure air. Keep face and other body parts away from outlet

of drain. Use eye protection [ANSI Z87.1 (CAN/CSA Z94.3)]

when draining as debris can be kicked up into face.

WARNING: Risk from noise. Use ear protection (ANSI S12.6

(S3.19) as air flow noise is loud when draining.

NOTE: All compressed air systems generate condensation that accu-

mulates in any drain point (e.g., tanks, filter, aftercoolers, dryers). This

condensate contains lubricating oil and/or substances which may be

regulated and must be disposed of in accordance with local, state,

and federal laws and regulations.

1. Set the Auto/Off switch to “Off (O)".

2. Turn the regulator knob counterclockwise to set the outlet

pressure to zero.

3. Remove the air tool or accessory.

4. Pull ring on safety valve allowing air to bleed from the tank

until tank pressure is approximately 20 PSI. Release safety

valve ring.

5. Drain water from air tank by opening drain valve on bottom

of tank.

WARNING: Risk of bursting. Water will condense in the air

tank. If not drained, water will corrode and weaken the air tank

causing a risk of air tank rupture.

NOTICE: Risk of property damage. Drain water from air tank may

contain oil and rust which can cause stains.

6. After the water has been drained, close the drain valve. The air

compressor can now be stored.

NOTE: If drain valve is plugged, release all air pressure. The valve

can then be removed, cleaned, then reinstalled.

Air Compressor Pump Intake and Exhaust

Valves

Once a year have a Trained Service Technician check the air com-

pressor pump intake and exhaust valves.

Inspect Air Lines and Fittings for Leaks

1. Set the Auto/Off Switch to “Off (O)”, unplug the unit, and

relieve all air pressure from the air tank.

2. Apply a soap solution to all air line fittings and connections/

piping.

3. Correct any leaks found.

IMPORTANT: Even minor leaks can cause the air compressor

to overwork, resulting in premature breakdown or inadequate

performance.

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Service and Adjustments

ALL MAINTENANCE AND REPAIR OPERATIONS NOT LISTED

MUST BE PERFORMED BY TRAINED SERVICE TECHNICIAN.

WARNING: Risk of unsafe operation. Unit cycles

automatically when power is on. When servicing, you may be

exposed to voltage sources, compressed air, or moving parts.

Before servicing unit unplug or disconnect electrical supply to

the air compressor, bleed tank of pressure, and allow the air

compressor to cool.

Additional Service

Disassembly or service of the air compressor beyond what is

covered in this manual is not recommended. If additional service

is required, contact your nearest Authorized Warranty Service

Center.

Accessories

Recommended accessories for use with your tool are available for

purchase from your local dealer or authorized service center. If you

need assistance in locating any accessory for your tool, please call

1-888-895-4549 or visit our website www.dewalt.com.

WARNING: The use of any other accessory not recommended

for use with this tool could be hazardous. Use only accessories

rated equal to or higher than the rating of the air compressor.

Service Information

Please have the following information available for all service calls:

Model Number ____________ Serial Number ___________

Date and Place of Purchase ____________________________

Repairs

To assure product SAFETY and RELIABILITY, repairs, maintenance

and adjustment should be performed by a D

e

WALT factory service

center, a D

e

WALT authorized service center or other qualified

service personnel. Always use identical replacement parts.

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Limited Warranty

DEWALT Industrial Tools are warranted from date of purchase.

1 Year – Limited on all oil-free compressors. This warranty

is not transferable to subsequent owners.

D

e

WALT will repair or replace, without charge, at D

e

WALT’s option,

any defects due to faulty materials or workmanship. For further

detail of warranty coverage and warranty repair information, call

1-(888)-895-4549 or visit dewalt.com. This warranty does not

apply to accessories or damage caused where repairs have been

made or attempted by others. This warranty also does not apply

to merchandise sold by D

e

WALT which has been manufactured

by and identiﬁed as the product of another company, such as

gasoline engines. Such manufacturer’s warranty, if any, will apply.

ANY INCIDENTAL, INDIRECT OR CONSEQUENTIAL LOSS,

DAMAGE OR EXPENSE THAT MAY RESULT FROM ANY

DEFECT, FAILURE OR MALFUNCTION OF THE PRODUCT

IS NOT COVERED BY THIS WARRANTY. Some states do not

allow the exclusion of limitation of incidental or consequential

damages, so the above limitation or exclusion may not apply

to you. IMPLIED WARRANTIES, INCLUDING THOSE OF

MERCHANTABILITY OR FITNESS FOR A PARTICULAR

PURPOSE, ARE LIMITED TO ONE YEAR FROM THE DATE OF

ORIGINAL PURCHASE. Some states do not allow limitations on

how long an implied warranty lasts, so the above limitations may

not apply to you.

What the Company Will Do: (the company) will cover parts

and labor to remedy substantial defects due to materials

and workmanship during the ﬁrst year of ownership, with the

exceptions noted below. Parts used in repair of whole goods or

accessories are warranted for the balance of the original warranty

period.

What is not covered Under This Warranty? Failures by the

original retail purchaser to install, maintain, and operate said

equipment in accordance with standard industry practices.

Modiﬁcations to the product, or tampering with components,

or failure to comply with the speciﬁc recommendations of the

Company set forth in the owner’s manual, will render this warranty

null and void. The Company shall not be liable for any repairs,

replacements, or adjustments to the equipment, or any costs for

labor performed by the purchaser without the Company’s prior

written approval. The effects of corrosion, erosion, surrounding

environmental conditions, cosmetic defects, and routine

maintenance items, are speciﬁcally excluded from this warranty.

Routine maintenance items such as: oil, lubricants, and air ﬁlters,

as well as changing oil, air ﬁlters, belt tensioning, etc… fall under

the owner’s responsibility. Additional exclusions include: freight

damage, failures resulting from neglect, accident, or abuse,

induction motors when operated from a generator, oil leaks, air

leaks, oil consumption, leaky ﬁttings, hoses, drain valves, bleeder

tubes, and outlet tubes.

• The following components are considered normal wear

items and are not covered after the ﬁrst year of

ownership: Belts, sheaves, ﬂywheels, check valves,

pressure switches, air unloaders, throttle controls,

electric motors, brushes, regulators, o-rings, pressure

gauges, tubing, piping, ﬁttings, fasteners, wheels,

quick couplers, gaskets, seals, air ﬁlter housings,

piston rings, connecting rods, and piston seals.

• Labor, service calls, and travel charges, are not

covered after the ﬁrst year of ownership on stationary

compressors (compressors without handles, or

wheels). Repairs requiring overtime, weekend rates, or

any other charges beyond the standard shop labor rate

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are not covered.

• Time required for orientation training for the service

center to gain access to the product, or additional time

due to inadequate egress.

• Damage caused from inadequate ﬁlter maintenance.

• Pump wear or damage caused by any oil

contamination.

• Pump wear or valve damage caused by failure to follow

proper maintenance guidelines.

• Gas Engines, if product is equipped with a gas engine,

see engine manual for speciﬁc engine manufacturer’s

warranty coverage.

Parts purchased separately: The warranty for parts purchased

separately such as: pumps, motors, etc., are as follows:

From Date of Purchase

• All single & two stage pumps 1 year

• Electric motors 90 days

• Universal motor/pump 30 days

• All other parts 30 days

• No return authorization will be issued for electrical

components once items are installed.

How do You Get Service? In order to be eligible for service

under this warranty you must be the original retail purchaser,

and provide proof of purchase from one of the Company’s

dealers, distributors, or retail outlet stores. Portable compressors

or components must be delivered, or shipped, to the nearest

Authorized Service Center. All associated freight costs and travel

charges must be borne by the consumer.

Please call our toll free number 1-888-895-4549 for assistance.

THIS WARRANTY GIVES YOU SPECIFIC LEGAL RIGHTS, AND

YOU MAY ALSO HAVE OTHER RIGHTS WHICH VARY FROM

STATE TO STATE.

THE COMPANY MAKES NO OTHER WARRANTY OR

REPRESENTATION OF ANY KIND WHATSOEVER,

EXPRESSED OR IMPLIED, EXCEPT THAT OF TITLE. ALL

IMPLIED WARRANTIES, INCLUDING ANY WARRANTY OF

MERCHANTABILITY AND FITNESS FOR PARTICULAR PURPOSE

ARE HEREBY DISCLAIMED. LIABILITY FOR CONSEQUENTIAL

AND INCIDENTAL DAMAGES UNDER ANY AND ALL

WARRANTIES, OTHER CONTRACTS, NEGLEGENCE, OR

OTHER TORTS IS EXCLUDED TO THE EXTENT EXCLUSION IS

PERMITTED BY LAW.

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GLOSSARY

CFM: Cubic feet per minute.

SCFM: Standard cubic feet per minute; a unit of measure of air

delivery.

PSI: Pounds per square inch; a unit of measure of pressure.

Cut-in pressure: Factory set low pressure point that starts the

compressor to repressurize the tank to a higher pressure.

Cut-out pressure: Factory set high pressure point that stops

the compressor from increasing the pressure in the tank above a

certain level.

Well-ventilated: A means of providing fresh air in exchange for

dangerous exhaust or vapors.

Dedicated circuit: An electrical circuit reserved for the exclusive

use of the air compressor.

ASME: American Society of Mechanical Engineers. Indicates that

the components are manufactured, tested and inspected to the

specifications set by ASME.

CSA: Canadian Standards Association

Indicates that the products that have this marking have

been manufactured, tested and inspected to standards that

are set by CSA.

Canadian Standards Association (USA): Indicates that the

products that have this marking have been manufactured,

tested and inspected to standards that are set by CSA.

These products also conform to U.L. standard 1450.

California Code: Unit may comply with California Code 462

(l) (2)/(M) (2). Specification/model label is on the side of the

air tank on units that comply with California Code.

FREE WARNING LABEL REPLACEMENT: If your warning labels

become illegible or are missing, call 1-888-895

-

4549 for a free

replacement.

DXCM271_E111728_27 Gal manual_ENG-FRN-SPN_ID9732_071718_KC.indd 20 7/18/18 9:51 AM

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