DeWalt D55151 Manuel utilisateur

D55151, D55152, D55153, D55155

Contractor’s Electric 4 Gallon Hand Carry Air Compressor

Compresseurs d’air portatifs électriques de 4 gallons de classe entrepreneur

Compresor de aire portátil elèctrico de 4 galones para contratistas

INSTRUCTION MANUAL

GUIDE D'UTILISATION

MANUAL DE INSTRUCCIONES

INSTRUCTIVO DE OPERACIÓN, CENTROS DE SERVICIO Y PÓLIZA

DE GARANTÍA. ADVERTENCIA: 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.

1-800-4-DeWALT • www.dewalt.com

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A. On/Off Switch

B. Air Tank Pressure Gauge

C. Regulated Pressure Gauge

D. Pressure Regulator

E. Quick Connects (if equipped)

F. Check Valve

G. Safety Valve

H. Air Tank Drain Valve

I. Power Cord Wrap

J. Pressure Switch

K. Pump Oil Dipstick

L. Pump Oil Drain Plug

M. Motor Reset

N. Air Intake Filter

Air Compressor

C

NOT A

STEP

D

B

E

K

L

J

D

E

L

M

I

F

B

C

A

G

A

H

K

F

M

N

J

G

FIG. 1

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Specications

MODEL

D55151 D55152 D55153 D55155

WEIGHT

56 lbs. (25.4 kg) 65 lbs. (29.5 kg) 58 lbs. (28.3 kg) 61 lbs. (27.7 kg)

HEIGHT

16.75" (425.5 mm) 16.0" (406.4 mm) 16.75" (501.7 mm) 12.5" (317.5 mm)

WIDTH

18.0" (457.2 mm) 18.0" (457.2 mm) 18.0" (457.2 mm) 21.75" (552.5 mm)

LENGTH

15.0 (381 mm) 18.0" (457.2 mm) 15.0 (381 mm) 21.75" (552.5 mm)

AIR TANK CAPACITY (GALLONS)

4.0 (15.1 liters) 4.0 (15.1 liters) 4.0 (15.1 liters) 4.0 (15.1 liters)

APPROX CUT-IN PRESSURE

95 PSI (655 kPa) 95 PSI (655 kPa) 95 PSI (655 kPa) 100 PSI (689.5 kPa)

APPROX. CUT-OUT PRESSURE

125 PSI (861.8 kPa) 125 PSI (861.8 kPa) 125 PSI (861.8 kPa) 125 PSI (861.8 kPa)

SCFM @ 100 PSI (689.5 kPa)

3.2 3.8 3.8 4.5

MOTOR

1.1 HP (continuous) 1.1 HP (continuous) 1.1 HP (continuous) 1.2 HP (continuous)

Volts/Amps/Hertz

120V/12.5 A/60 Hz. 120V/14 A/60 Hz. 120V/14 A/60 Hz. 120V/15 A/60 Hz.

RPM

3450 3450 3450 3450

Minumum Branch Circuit

Requirement

15 Amp 15 Amp 15 Amp 15 Amp

PUMP OIL CAPACITY

6 oz. (177.4 ml) 12 oz. (354.9 ml) 12 oz. (354.9 ml) 4 oz. (118.3 ml)

DUTY CYCLE

5 MINUTES ON / 5

MINUTES OFF

5 MINUTES ON / 5

MINUTES OFF

5 MINUTES ON / 5

MINUTES OFF

5 MINUTES ON / 5

MINUTES OFF

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Denitions: 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.

CAUTION: Used without the safety alert symbol

indicates a potentially hazardous situation which, if

not avoided, may result in property damage.

PUMP

CYLNDER

AND HEAD

Hot Surfaces

FIG. 2

OUTLET TUBE

CHECK

VALVE

CHECK

VALVE

OUTLET TUBE

IF YOU HAVE ANY QUESTIONS OR COMMENTS ABOUT

THIS OR ANY D

e

WALT TOOL, CALL US TOLL FREE AT:

1-800-4-D

e

WALT (1-800-433-9258)

Important Safety Instructions

WARNING: Do not operate this unit until you read and understand

this instruction manual for safety, operation and maintenance

instructions.

WARNING: Some dust created by power sanding, sawing,

grinding, drilling, and other construction activities contains chemicals

known to the State of California to cause cancer, birth defects or other

reproductive harm. Some example of these chemicals are:

 • leadfromlead-basedpaints

 • crystalline silica from bricks and cement and other masonry

products

 • arsenicandchromiumfromchemically-treatedlumber

Your risk from these exposures varies, depending on how often

you do this type of work. To reduce your exposure to these

chemicals: work in a well ventilated area, and work with approved

safety equipment, al ways wear OSHA/MSHA/NIOSH approved,

properly t ting face mask or res pi ra tor when us ing such tools.

When using air tools, basic safety precautions should always be

followed to reduce the risk of of personal injury.

WARNING: This product contains chemicals, including lead,

known to the State of California to cause cancer, and birth

defects or other reproductive harm. Wash hands after handling.

SAVE THESE INSTRUCTION

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DANGER: RISK OF EXPLOSION OR FIRE

WHAT CAN HAPPEN HOW TO PREVENT IT

 • Itisnormalforelectrical

contacts within the motor

and pressure switch to

spark.

 • Alwaysoperatethe

compressor in a well

ventilated area free of

combustible

materials, gasoline,

or solvent vapors.

 • Ifelectricalsparksfrom

compressor come into

contact with flammable

vapors, they may ignite,

causing fire or explosion.

 • Ifsprayingflammablemate-

rials, locate compressor at

least 20 feet (6.1 m) away

from spray area. An addi-

tional length of hose may be

required.

 • Storeflammablematerialsin

a secure location away from

compressor.

 • Restrictinganyofthe

compressor ventilation

openings will cause

serious overheating 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

indoors or in any confined

area.

 • Unattendedoperationof

this product could result in

personalinjuryorproperty

damage. To reduce the

risk of fire, do not allow

the compressor to operate

unattended.

 • Always remain in atten-

dance with the product

when it is operating.

 • Alwaysturnoff and unplug

unit when not in use.

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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

contaminant's can cause

seriousinjuryordeath.

• Airobtaineddirectlyfromthe

compressor should never

be used to supply air for

human consumption. In order

to use air produced by this

compressor for breathing,

suitable filters and in-line

safety equipment must be

properly installed. In-line

filters and safety equipment

usedinconjunctionwiththe

compressor must be capable

of treating air to all applicable

local and federal codes prior

to human consumption.

• 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: OSHA/MSHA/

NIOSH respiratory protection

designed for use with your

specific application.

DANGER: RISK OF INJURY OR PROP ER TY DAMAGE WHEN

TRANSPORTING OR STORING

WHAT CAN HAPPEN HOW TO PREVENT IT

• Oilcanleakorspilland

could result in fire or

breathing hazard; serious

injuryordeathcanresult.Oil

leaks will damage carpet,

paint or other surfaces in

vehicles or trailers.

• Alwaysplacecompressor

on a protective mat when

transporting to protect against

damage to vehicle from leaks.

Remove compressor from

vehicle immediately upon

arrival at your destination.

Always keep compressor level

and never lie on its side.

WARNING: RISK OF BURSTING

Air Tank: The air tank on your Air Compressor is designed and

may be UM coded (for units with air tanks greater than 6 inch

diameter) according to ASME Section VIII, Div. 1 rules. All pressure

vessels should be inspected once every two years. To find your

state pressure vessels inspector, look under the Division of Labor

and Industries in the government section of a phone book or call

1-800-4-DeWALT for assistance.

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

and result in a violent air tank explosion:

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WHAT CAN HAPPEN HOW TO PREVENT IT

• Failuretoproperlydrain

condensed water from

air tank, causing 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.

WARNING: RISK OF ELECTRICAL SHOCK

WHAT CAN HAPPEN HOW TO PREVENT IT

• Your air 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

compressor outdoors

when it is raining or in wet

conditions.

 • Never operate compressor

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

performed by a DeWALT

factory service center or a

DeWALT authorized service

center 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 electrocution. See

Grounding Instructions

under Installation.

 • Make certain that the

electrical circuit to which the

compressor is connected

provides proper electrical

grounding, correct voltage

and adequate fuse

protection.

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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, 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. 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.

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.

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• 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 DeWALT factory

service center or a DeWALT

authorized service center.

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 eration 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.

WARNING: RISK OF FALLING

WHAT CAN HAPPEN HOW TO PREVENT IT

• Aportablecompressor

can fall from a table,

workbench, or roof

causing damage to the

compressor and could

resultinseriousinjuryor

death to the operator.

• Alwaysoperatecompressor

in a stable secure position

to prevent accidental

movement of the unit.

Never operate compressor

on a roof or other elevated

position. Use additional

air hose to reach high

locations.

CAUTION: RISK FROM NOISE

WHAT CAN HAPPEN HOW TO PREVENT IT

 • Under some conditions

and duration of use, noise

from this product may con-

tribute 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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FEATURES (Fig. 1)

ON/OFF SWITCH

Place this switch (A) in the ON position to

G

A

J

provide automatic power to the pres-

sure switch and OFF to remove power

at the end of each use.

PRESSURE SWITCH

The pressure switch (J) automatically

starts the motor when the air tank pres-

sure drops below the factory set cut-in

pressure. It stops the motor when the air tank pressure reaches

the factory set cut-out pressure.

PRESSURE RELEASE VALVE

The pressure release valve located on the side of the pressure

switch, is designed to automatically release compressed air from

the compressor head and the outlet tube when the air compressor

reaches cut-out pressure or is shut off. The pressure release valve

allows the motor to restart freely. When the motor stops running,

air will be heard escaping from this valve for a few seconds. No air

should be heard leaking when the motor is running or after the unit

reaches cut-out pressure.

SAFETY VALVE

If the pressure switch does not shut off the air compressor at its

cut-out pressure setting, the safety valve (G) will protect against

high pressure by popping out at its factory set pressure (slightly

higher than the pressure switch cut-out setting).

CHECK VALVE

When the air compressor is operating, the check

F

valve (F) 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.

TANK PRESSURE GAUGE

The tank pressure gauge (B) indi-

D

C

E

B

cates the reserve air pressure in

the tank.

OUTLET PRESSURE GAUGE

The outlet pressure gauge (C)

indicates the air pressure avail-

able at the outlet side of the regulator. This pressure is con-

trolled by the regulator and is always less than or equal to the

tank pressure.

REGULATOR

The regulator (D) controls the air pressure shown on the outlet

pressure gauge. Turn regulator knob clockwise to increase

pressure and counterclockwise to decrease pressure.

UNIVERSAL QUICK CONNECT BODIES (IF EQUIPPED)

The universal quick connect body (E) 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. The two quick connect bodies allow the use of

two tools at the same time.

DRAIN VALVE

The drain valve (H) is located at the base

H

of the air tank and is used to drain con-

densation at the end of each use.

See

Draining Air Tank under Maintenance.

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COOLING SYSTEM

This compressor contains an advanced design cooling system.

It is normal for this fan to blow air through the vent holes in large

amounts. The cooling system is working when air is expelled.

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

This motor has a manual 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 restart-

ing. To restart:

1. Ensure the On/Off switch (A) is in the OFF position.

2. Allow the motor to cool.

3. Depress the reset button (M) on the motor.

OIL DIPSTICK

The oil dipstick (K) indicates the amount of oil in the pump. Check

pump oil daily, see Compressor Pump Oil under Maintenance.

AIR INTAKE FILTER

The filter (N) 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.

INSTALLATION

Assembly

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.

Lubrication and Oil

CAUTION: The compressor was shipped without oil in the

crankcase. A small amount of oil may be present in the pump

upon receipt of the air compressor. This is due to testing and does

not mean the pump contains oil. Do not attempt to operate this

air compressor without rst adding oil to the crankcase. Serious

damage can result from even limited operation unless lled with

oil and broken in correctly. Closely follow Initial Set-up under

Operation.

CAUTION: Multi-viscosity motor oils, like 10W30, should not be

used in an air compressor. They leave carbon deposits on critical

components, thus reducing performance and compressor life. Use

DeWaltsyntheticorSAE40,non-detergentaircompressoroil.

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1. Place unit on a level surface.

K

2. Remove dipstick (K) and slowly add DeWalt

synthetic or SAE 40, non-detergent air

compressor oil (supplied). NOTE: See

Specifications for pump oil capacity.

CAUTION: Risk of unsafe operation. Overlling

with oil will cause premature compressor failure.

Do not overll.

3. Replace dipstick.

Grounding Instructions

WARNING: Risk of electrical shock. In the event of a short circuit,

grounding reduces the risk of shock by providing an escape wire for

the electric current. This air compressor must be properly grounded.

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

P

O

Q

contains a grounding pin (P). This

plug MUST be used with a grounded

outlet (Q).

IMPORTANT: The outlet being used must

be installed and grounded in accordance

with all local codes and ordinances.

2. Ensure the outlet being used has the same configuration as

the grounded plug. DO NOT USE AN ADAPTER.

3. Inspect the plug and cord before each use. Do not use if there

are signs of damage.

4. If these grounding instructions are not completely understood,

or if in doubt as to whether the compressor is properly

grounded, have the installation checked by a qualified

electrician.

DANGER: Risk of electrical shock. IMPROPER GROUNDING

CAN RESULT IN ELECTRICAL SHOCK.

 • Donotmodifytheplugprovided.Ifitdoesnotttheavailable

outlet, a correct outlet should be installed by a qualied electri-

cian.

 • RepairstothecordsetorplugMUSTbemadebyaqualied

electrician.

Extension Cords

Using extension cords is not recommended. The use of extension

cords will cause voltage 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.

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 prod-

uct

 • ingoodcondition

 • nolongerthan50feet(15,2m)

 • 12gauge(AWG)orlarger.(Wiresizeincreasesasgaugenum-

ber decreases. 10 AWG and 8 AWG may also be used. DO

NOT USE 14 OR 16 AWG.)

Voltage and Circuit Protection

Refer to the Voltage and Minimum Branch Circuit Requirements

under Specications.

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.

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English

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

 • Extensioncordscomplywithspecications.

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

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

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

should be marked “D” in Canada and “T” in the US.

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.

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

Place the air compressor in a clean, dry and well ventilated area at

least 12" (30.5 cm) away from the wall or other obstructions that

will interfere with the flow of air. Keep the compressor away from

areas that have dirt and/or volatile fumes in the atmosphere. These

impurities may clog the intake filter and valves, causing inefficient

operation.

The air compressor pump and shroud are designed to allow for

proper cooling. The ventilation openings on the compressor are

necessary to maintain proper operating temperature. Do not place

rags or other containers on or near these openings.

Place the air compressor on a flat surface resting on the rubber feet.

NOISE CONSIDERATIONS

Consult local officials for information regarding acceptable

noise levels in your area. To reduce excessive noise, use

vibration mounts or silencers, relocate the unit or construct total

enclosures or baffle walls. Contact a D

e

WALT service center or

call 1-800-4-D

e

WALT for assistance.

ELECTRICAL

Refer to all safety instructions before using unit. Observe

extension cord safety instructions if necessary. Always move the

On/Off switch (A) to the OFF position before removing the plug

from the outlet.

TRANSPORTING

When transporting the compressor in a vehicle, trailer, etc.,

ensure that the tank is drained and the unit is secured. Use care

when driving to avoid tipping the unit over in the vehicle. Damage

can occur to the compressor or surrounding items if the compres-

sor is tipped.

MOVING

When moving the compressor, grasp the handle and carry the

compressor as close to the body as possible.

WARNING: Risk of unsafe operation. Ensure proper footing and

use caution when carrying compressor to avoid a loss of balance.

PREPARATION FOR USE

Pre-Start Checklist (Fig. 1)

1.

Ensure the On/Off switch (A) is in the OFF position.

2.

Plug the power cord into the correct branch circuit receptacle.

See Voltage and Circuit Protection under Installation.

3. Ensure air tank is drained, see Draining Air Tank under

Maintenance.

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4. Ensure the drain valve (H) is closed.

5. Ensure safety valve (G) is functioning properly, see Checking

Safety Valve under Maintenance.

6. Check pump oil level, see Compressor Pump Oil under

Maintenance.

CAUTION:

Do not operate without oil or with inadequate oil. DeWALT

is not responsible for compressor failure caused by inadequate oil.

7. Turn regulator knob (D) counterclockwise until fully closed.

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

8. Attach hose and accessories.

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

when installing or disconnecting to prevent hose whip.

9. Ensure all covers and labels are in place, legible (for labels) and

securely mounted. Do not use compressor until all items have

been verified.

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.

Initial Set-up

(Fig. 1)

WARNING: Do not operate this unit until you read and understand

this instruction manual for safety, operation and maintenance

instructions.

BREAK-IN PROCEDURE

WARNING:

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 for the first time and when the check valve or a compres-

sor pump/motor has been replaced.

1. Ensure the On/Off switch (A) is in the OFF position.

NOTE: If hose is not connected to Quick Connect body, pull

coupler back until it clicks to prevent air from escaping through

the quick connect.

2.

Plug the power cord into the correct branch circuit receptacle.

See Voltage and Circuit Protection under Installation.

3. Open the drain valve (counter-clockwise) fully to permit air to

escape and prevent air pressure build up in the air tank dur-

ing the break-in period.

4. Move the On/Off switch to the ON position. The compressor will

start.

5. Run the compressor for 20 minutes.

6. After 20 minutes, close the drain valve by turning clockwise.

The tank will fill to cut-out pressure and the motor will stop.

7. Compressed air will be available until it is used or bled off.

OPERATING PROCEDURES

Start-up (Fig. 1)

1. Follow Pre-Start Checklist under Preparation for Use.

2. Move the On/Off switch to the ON position and allow tank pres-

sure to build. Motor will stop when tank pressure reaches

cut-out pressure.

CAUTION: Risk of unsafe operation. Compressed air from the unit

maycontainwatercondensationandoilmist.Donotsprayunl-

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

operatedtoolsordevicesmayrequirelteredair.Readtheinstruc-

tions for the air tool or device.

 3.Adjustregulator(D)todesiredsetting.SeeRegulator under

Features.

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Shut-down (Fig. 1)

1 Move On/Off switch (A) is in the OFF position. NOTE: If finished

using compressor, follow Steps 2 - 6.

2. Turn regulator knob (D) counterclockwise until fully closed.

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

3. Remove hose and accessory.

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 con-

dense 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.

MAINTENANCE

The following procedures must be followed when maintenance or

service is performed on the air compressor.

1. Ensure On/Off switch is in the OFF position.

2. Remove air compressor plug from outlet.

3. Drain air tank.

4. Allow air compressor to cool down before starting service.

NOTE: All compressed air systems contain maintenance parts

(e.g., oil, filters, separators) that are periodically replaced. These

used parts may contain substances that are regulated and must be

disposed of in accordance with local, state, and federal laws and

regulations.

NOTE: Take note of the positions and locations of parts during

disassembly to make reassembly easier.

NOTE: Any service operations not included in this section should

be performed by a D

e

WALT factory service center or a D

e

WALT

authorized service center.

Maintenance Chart

Procedure Daily Weekly Monthly 1 year or

200 Hours

Check safety valve

X

Inspect air filter

+

X

Drain air tank

X

Check pump oil level

X

Change pump oil**

+

X

Oil leak inspection

X

Check for unusual noise/

vibration

X

Check for air leaks*

X

Clean compressor exterior

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.

** The pump oil must be changed after the first 20 hours of operation.

Thereafter, when using DeWALT synthetic or SAE 40, non-detergent

air compressor oil, change oil every 200 hours of operation or once a

year, whichever comes first.

+ Perform more frequent in dusty or humid conditions

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English

Checking Safety Valve (Fig. 1)

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

and surrounding parts are very hot, do not touch (see the Hot

Surfaces identied in Fig. 2). 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.

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 Element (Fig. 1)

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

and surrounding parts are very hot, do not touch (see the Hot

Surfaces identied in Fig. 2). Allow compressor to cool prior to

servicing.

1. Ensure the On/Off switch (A) is in the OFF position.

2. Allow unit to cool.

3. Remove air filter (N) from unit.

4. Carefully pry filter top from base.

5. Remove element from filter base.

6. If element needs cleaning, blow out with air. Replace if needed.

Purchase replacement parts from your local dealer or autho-

rized service center. Always use identical replacement parts.

7. Place element back in filter base.

8. Snap filter top to filter base.

9. Reassemble air filter to unit. Ensure exhaust outlet points down.

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

inlet lter

Draining Air Tank (Fig. 1)

WARNING: Risk of unsafe operation. Risk from noise. Air

tanks contain high pressure air. Keep face and other body parts

away from outlet of drain. Use safety glasses [ANSI Z87.1 (CAN/

CSA Z94.3)] when draining as debris can be kicked up into face.

Use ear protection [ANSI S12.6 (S3.19)] as air ow noise is loud

when draining.

NOTE: All compressed air systems generate condensate that

accumulates 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. Ensure On/Off switch is in the OFF position.

2. Move compressor into an inclined position so drain valve (H)

is at the lowest point (this will assist in removing moisture,

dirt, etc. from air tanks)

3. Place a suitable container under the drain valve to catch

discharge.

4. Grasp knurled knob on drain valve.

5. Slowly rotate knob to gradually bleed air from air tank.

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

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

air tank causing a risk of air tank rupture.

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

contain oil and rust, which can cause stains.

6. When air tank pressure gauge reads 10 PSI (68,9 kPa), rotate

valve to the fully open position.

7. Close drain valve when finished.

17

English

Compressor Pump Oil (Fig. 1)

CHECKING OIL

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

and surrounding parts are very hot, do not touch (see the Hot

Surfaces identied in Fig. 2). Allow compressor to cool prior to

servicing.

1. Ensure On/Off switch is in the OFF position.

2. Place unit on a flat level surface.

3. Remove dipstick (K) and wipe clean.

4. Reinsert dipstick fully into oil fill port for a few seconds to

allow oil to collect on the dipstick.

5. Remove oil dipstick to read oil level. Oil should not exceed

top raised line on dipstick. If oil is below lower mark, add

same type of oil in crankcase and follow Steps 4 - 6.

NOTE: When filling the crankcase, the oil flows very slowly

into the pump. If the oil is added too quickly, it will overflow

and appear to be full.

CAUTION: Risk of unsafe operation. Overlling with oil will cause

premature compressor failure. Do not overll.

6. Replace dipstick.

CHANGING OIL

NOTE: Pump oil contains substances that are regulated and must

be disposed of in accordance with local, state and federal laws

and regulations.

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

and surrounding parts are very hot, do not touch (see the Hot

Surfaces identied in Fig. 2). Allow compressor to cool prior to

servicing.

1. Ensure On/Off switch is in the OFF position.

2. Allow the unit to cool.

3. Remove air compressor plug from outlet.

4. Drain air tank.

5. Locate a suitable container under pump

drain plug (L).

6. Remove the dipstick (K) from crank case.

7. Remove the oil drain plug (L).

8. Allow ample time for all oil to drain out.

(Tilting the compressor towards the drain

plug will assist in draining.)

9. Install the oil drain plug.

10. Fill pump using DeWALT synthetic or SAE 40,

non-detergent air compressor oil.

11. Replace dipstick.

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 contact D

e

WALT

Industrial Tool Co., 701 East Joppa Road, Baltimore, MD 21286,

call 1-800-4-D

e

WALT (1-800-433-9258) or visit our website www.

dewalt.com.

CAUTION: 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 ______________________________

MAX

MIN

L

K

18

English

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.

Full One Year Warranty

DeWALT heavy duty industrial tools are warranted for one year

from date of purchase. We will repair, without charge, any defects

due to faulty materials or workmanship. For warranty repair

information, call 1-800-4-D

e

WALT. This warranty does not apply

to accessories or damage caused where repairs have been made

or attempted by others. This warranty gives you specific legal

rights and you may have other rights which vary in certain states

or provinces.

LATIN AMERICA: This warranty does not apply to products sold

in Latin America. For products sold in Latin America, see country

specific warranty information contained either in the packaging,

call the local company or see website for warranty information.

FREE WARNING LABEL REPLACEMENT: If your warning labels

become illegible or are missing, call 1-800-4-D

e

WALT for a free

replacement.

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.

kPa (kilopascal): Metric pressure measurement. 1 kilopascal

equal 1000 pascals.

Code Certication: Products that bear one or more of the

following marks: UL, CUL, ETL, CETL, have been evaluated

by OSHA certified independent safety laboratories and

meet the applicable Underwriters Laboratories Standards

for Safety.

Cut-In Pressure: While the motor is off, air tank pressure drops

when accessory is used. When the tank pressure drops to a

certain low level the motor will restart automatically. The low

pressure at which the motor automatically restarts is called

cut-in pressure.

Cut-Out Pressure: When an air compressor is turned on

and begins to run, air pressure in the air tank begins to

build. It builds to a certain high pressure before the motor

automatically shuts off, protecting your air tank from

pressure higher than its capacity. The high pressure at which

the motor shuts off is called cut-out pressure.

Branch Circuit: The circuit carrying electricity from electrical

panel to outlet.

Duty Cycle: For proper operation of your air compressor, it is

recommended that a 50% duty cycle be maintained; that is,

the air compressor should not run more than 5 minutes in any

10 minute period.

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Troubleshooting Guide

This section provides a list of the more frequently encountered malfunctions, their causes and corrective actions. The operator or

maintenance personnel can perform some corrective actions, and others may require the assistance of a qualified DeWALT technician

or your dealer.

Problem Code

Excessive air tank pressure-safety valve pops off ................................................................... 1,2

Air leaks ...................................................................................................................................3

Air leaks in air tank 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

Compressor is not supplying enough air 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

Motor will not run .....................................................................................................................11,19,20,21,22,23,24,25,26

Troubleshooting Codes

CODE POSSIBLE CAUSE POSSIBLE SOLUTION

1 Pressure switch does not shut off motor when compres-

sor reaches cut-out pressure

Set the On/Off switch to OFF, if the unit does not shut off

contact a D

e

WALT factory service center or a D

e

WALT

authorized service center.

2

Pressure switch cut-out too high

Contact a D

e

WALT factory service center or a D

e

WALT

authorized service center.

20

English

CODE POSSIBLE CAUSE POSSIBLE SOLUTION

3

Tube fittings are not tight enough Tighten fittings where air can be heard escaping. Check

fittings with soapy water solution. Do Not Overtighten.

4 Defective air tank Air tank must be replaced. Do not repair the leak.

WARNING: Risk of bursting. Do not drill into, weld or

otherwise modify air tank or it will weaken. The air tank can

rupture or explode.

5 Leaking seals Contact a D

e

WALT factory service center or a D

e

WALT

authorized service center.

6 Defective safety valve Operate safety valve manually by pulling on ring. If valve

still leaks, it must be replaced.

7

Regulatorisnotadjustedcorrectlyforaccessorybeing

used

It is normal for some pressure drop to occur when an

accessoryis used,adjustthe regulatoras instructed in

Regulator under Features if pressure drop is excessive.

NOTE: Adjustthe regulatedpressureunder flow condi-

tions while accessory is being used.

8 Prolonged excessive use of air Decrease amount of air usage.

9 Compressor is not large enough for accessory Check the accessory air requirement. If it is higher than

the SCFM or pressure supplied by your air compressor,

a larger compressor is needed to operate accessory.

10 Hole in air hose Replace air hose.

11 Check valve restricted Remove, clean or replace.

12 Air leaks Tighten fittings.

13 Regulator is damaged Replace.

14 Unit operating in damp or humid conditions Move unit to a dry well ventilated area

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