DeWalt D55168 Manuel utilisateur

Marque: DeWalt

Modèle: D55168

Catégorie: Compresseurs d'air

Taper: Manuel utilisateur

D55168

Oil Free Portable Air Compressor

Compresseur d’air portatif sans huile

Compresor de aire sin aceite portátil

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-De



A. Auto(I)/Off(O) Switch

B. Air Tank Pressure Gauge

C. Regulated Pressure Gauge

D. Pressure Regulator

E. Quick Connect

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Voltage: Single Phase 120V

Minimum branch circuit requirement: 15 A

Fuse Type: Time delay

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MODEL

D55168

WEIGHT

88 lbs. (39.92 kg)

HEIGHT

41.75" (1060.5 mm)

WIDTH

19.0" (482.6 mm)

LENGTH

21.25" (539.8 mm)

AIR TANK CAPACITY

15 Gallon (56.8 liters)

APPROX CUT-IN PRESSURE

160 psi

APPROX. CUT-OUT PRESSURE

200 psi

SCFM @ 90 PSI

5.4*

NOISE LEVEL

78 dBA

*Tested per ISO 1217: 1996

+Tested per ISO 3744: 1994

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F. Check Valve

G. Safety Valve

H. Air Tank Drain Valve

I. Pressure Switch

J. Air Intake Filter

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Noise Emission Values

Sound Pressure Level: LpA = 78.0 dBA re 20μPA

Uncertainty in the Sound Pressure Level: KpA = 3.0 dBA re 20μPA

Sound Power Level: LwA = 92.0 dBA re 1 pw

Uncertainty in the Sound Power Level: KwA = 3.0 dBA re 1 pw

The sum of the emission value and the uncertainty is the limit

below which there is a 95% confidence the value of a single tool

will lie below when the tool is new.

FIG. 1

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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 per-

sonal injury which, if not avoided, may result in

property damage.

IF YOU HAVE ANY QUESTIONS OR COMMENTS ABOUT

THIS OR ANY D

WALT TOOL, CALL US TOLL FREE AT:

1-800-4-D

WALT (1-800-433-9258)

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

this instruction manual for safety, operation and maintenance

instructions.

WARNING: This product contains chemicals known to the State

of California to cause cancer, and birth defects or other reproductive

harm. Wash hands after handling.

WARNING: Some dust contains chemicals known to the State of

California to cause cancer, birth defects or other reproductive harm

such as asbestos and lead in lead based paint.

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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

compressor come into con-

tact with flammable vapors,

they may ignite, causing fire

or explosion.

 • Ifsprayingflammablemateri-

als, 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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 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 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.

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WARNING: RISK OF BURSTING

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

Safety Commission published Release # 02-108 concerning air

compressor 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, 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.

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• 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 incre-

ments and frequently use the tire

gauge to prevent over inflation.

WARNING: RISK OF ELECTRICAL SHOCK

WHAT CAN HAPPEN HOW TO PREVENT IT

• Your air compressor is

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 D

eWALT factory

service center or a D

eWALT

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.

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.

• 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

eWALT factory service

center or a D

eWALT 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.

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.







AUTO/OFF SWITCH

Place this switch (A) in the AUTO (I)

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 (I) 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

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 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) indicates

the reserve air pressure in the tank.

REGULATED PRESSURE GAUGE

The outlet pressure gauge (C) indicates

the air pressure available at the outlet

side of the regulator. This pressure is

controlled by the regulator.

REGULATOR

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

pressure gauge. Pull the knob out and turn clockwise to increase

pressure and counterclockwise to decrease pressure. When the

desired pressure is reached push knob in to lock in place. The

regulated pressure range is 7–150 psi.

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.

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UNIVERSAL QUICK CONNECT BODY

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.

DRAIN VALVE

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

DRAIN TANK DA ILY

tank and is used to drain condensation at the end

of each use.

See Draining Air Tank under

Maintenance.

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.

AIR INTAKE FILTER

The filter (J) 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.

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 lever to OFF and unplug unit.

2. Allow the motor to cool.

Plug the power cord into the correct branch circuit receptacle.

4. Set the Auto/Off lever to AUTO position.

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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.

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.

2. Pull coupler on quick connect body back to release Quick

Connect plug on hose.



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 (M) with this unit

contains a grounding pin (L). This plug

MUST be used with a grounded

outlet (K).

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fittheavailable

outlet, a correct outlet should be installed by a qualified

electrician.

• RepairstothecordsetorplugMUSTbemadebyaqualified

electrician.



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

 •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: Risk of Property Damage. The use of an undersized

extension cord 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.



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 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.



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

when spraying paint.



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.



WARNING: 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 and wheels.

ELECTRICAL

Refer to all safety instructions before using unit. Observe extension

cord safety instructions if necessary. Always move the Auto/Off

switch (A) to the OFF position before removing the plug from the

outlet.

TRANSPORTING

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

sure the tank is drained and the unit is secured with straps to prevent

tipping. Use care when driving to prevent tipping the unit over in the

vehicle. Damage can occur to the compressor or surrounding items

if the compressor is tipped.

LIFTING

Always use two people when lifting and lift

from the recommended lift points (N). DO

NOT lift by wheels or shroud.

MOVING

CAUTION: The wheels and handle do

not provide adequate clearance, stability, or

support for pulling the unit up and down stairs

or steps. The unit must be lifted or pushed up

a ramp.

1. Grasp handle of compressor and tilt

compressor back to rest on wheels.

WARNING: Risk of Unsafe Operation. Ensure proper footing and

use caution when rolling compressor so that unit does not tip or

cause loss of balance.

2. When location is reached slowly lower compressor to ground.

Always store compressor in a vertical position resting on

the rubber bumpers and wheels.



WARNING: Do not operate this unit until you read this instruction

manual for safety, operation and maintenance instructions.



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

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.

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

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

Safety Valve under Maintenance.

6. Pull the regulator knob (D) out and turn counterclockwise until fully

closed. Ensure regulated pressure gauge reads 0 psi. Push knob

in to lock in place.

7. Attach hose and accessories. NOTE: Always use a minimum

3/8" (9.5 mm) or greater air hose rated at 300 psi.

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.



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.





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

2. Move the Auto/Off switch to the ON position and allow tank

pressure to build. Motor will stop when tank pressure reaches

cut-out pressure.

NOTICE: Risk of Property Damage. 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. Some air

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

tions for the air tool or device.

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

Features.



1. Move Auto/Off switch (A) to the OFF position. NOTE: If finished

using compressor, follow Steps 2 - 6.

NOTE: When the unit has been turned off, it is normal to hear a short

hiss of air being released.

2. Pull the regulator knob (D) out and turn counterclockwise until fully

closed. Ensure regulated pressure gauge reads 0 psi. Push knob

in to lock in place.

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.

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.



The following procedures must be followed when maintenance or

service is performed on the air compressor.

1. Ensure Auto/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

WALT factory service center or a D

WALT

authorized service center.





Procedure Daily Weekly

See tank

warning label

Check safety valve

Inspect air filter

Drain air tank

Check for unusual noise/vibration

Check for air leaks

Clean compressor exterior

Remove tank from service

1 -

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.

2 - For more information, call 1-800-4-D

WALT (1-800-433-9258)



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 when using the compressor.

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

make sure that the safety valve operates freely. NOTE: Ring may

be difficult to pull when air tank pressure is at 0 psi. If the valve is

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

same type of valve.



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 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 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 Auto/Off switch is in the OFF position.

2. Place a suitable container under the drain valve (H) to catch

discharge.

3. Grasp lever on drain valve.

4. Slowly rotate lever to gradually bleed air from air tank.

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.

NOTICE: Risk of Property Damage. Drain water from air tank may

contain oil and rust, which can cause stains.

5. When air tank pressure gauge reads 10 psi, rotate valve to the

fully open position.

6. Close drain valve when finished.





WARNING: Hot surfaces. Risk of burn. Outlet tube, pump head,

and surrounding parts are very hot, do not

touch. Allow compressor to cool prior to

servicing.

1. Ensure Auto/Off switch (A) is in the

OFF Position.

2. Allow unit to cool.

3. Remove filter cover (J) from base.

4. Remove element from filter base.

5. Place new element back in filter base. Purchase replacement

parts from your local dealer or authorized service center. Always

use identical replacement parts.

6. Snap filter cover to filter base.

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

inlet filter



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

WALT Industrial Tool Co., 701 East Joppa Road,

Baltimore, MD 21286, call 1-800-4-D

WALT (1-800-433-9258) 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.



Please have the following information available for all service calls:

Model Number ____________ Serial Number _________________

Date and Place of Purchase ______________________________



To assure product SAFETY and RELIABILITY, repairs, maintenance

andadjustmentshouldbeperformedbyaD

WALT factory service

center, a D

WALT authorized service center or other qualified

service personnel. Always use identical replacement parts.



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

WALT (1-800-433-9258). 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

WALT for a free

replacement.

WARNING HOT SURFACES

ADVERTENCIA SUPERFICIES CALIENTES

AV ERTISSEMENT

SURFACES CHAUDES

DO NOT ADJUST FACTORY SE TTINGS.

TO REDUCE RISK OF ELE CTRIC SHOCK

DO NOT REMOVE COVER.

Pressure co ntrols set at fac tory for

maximum sa fe oper ation.

NO HAGA CAMBIOS EN LOS A JUSTES

DE FÁBRICA. NO RETIRE LA TA P A PA RA

REDUCIR E L RIESGO DE CH OQUE ELÉ CTR ICO.

Los co ntrol es de pres ión se ajustan en la

fábric a para máxima segu ridad en la ope ración.

ADVERTENCIA

WARNING

AV ERTISSEMENT





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 Certification: 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 Standards for Safety.

*UL

is a registered trademark of Underwriters Laboratories and ETL

is a registered trademark of Electrical Testing Laboratories.

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: This air compressor pump is capable of running continuously. However, to prolong the life of your air compressor, it is

recommended that a 50%-75% average duty cycle be maintained; that is, the air compressor pump should not run more than 30-45 minutes

in any given hour.





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 D

eWALT 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

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, 22

Regulator knob has continuous air leak ....................................................................................13

Regulator will not shut off air outlet ...........................................................................................13

Motor will not run .......................................................................................................................6, 14, 15, 16, 17, 18, 19, 20

Squealing Sound .......................................................................................................................21



CODE POSSIBLE CAUSE POSSIBLE SOLUTION

1 Pressure switch does not shut off motor when

compressor reaches cut-out pressure

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

a D

WALT factory service center or a D

WALT authorized service

center.

2 Pressure switch cut-out too high Contact a D

WALT factory service center or a D

WALT authorized

service center.

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

with soapy water solution. Do Not Overtighten.



CODE POSSIBLE CAUSE POSSIBLE SOLUTION

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

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

wise modify air tank or it will weaken. The air tank can rupture or

explode.

5 Leaking seals Contact a D

WALT factory service center or a D

WALT authorized

service center.

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

it must be replaced.

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conditions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 CFM

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 Motor overload protection switch has tripped Refer to Motor Overload Protection under Features. If motor over-

load protection trips frequently, contact a D

WALT factory service

center or a D

WALT authorized service center.



CODE POSSIBLE CAUSE POSSIBLE SOLUTION

15 Tank pressure exceeds pressure switch cut-in

pressure

Motor will start automatically when tank pressure drops below cut-

in pressure of pressure switch.

16 Extension cord is wrong length or gauge Check for proper gauge wire and cord length refer to the Extension

Cords under Installation.

17 Loose electrical connections Check wiring connection inside pressure switch and terminal box

area.

18 Possible defective motor Contact a D

WALT factory service center or a D

WALT authorized

service center.

19 Paint spray on internal motor parts Contact a D

WALT factory service center or a D

WALT authorized

service center. Do not operate the compressor in the paint spray

area. See flammable vapor warning.

20 Fuse blown, circuit breaker tripped 1. Check fuse box for blown fuse and replace as necessary. Reset

circuit breaker. Do not use a fuse or circuit breaker with higher

rating than that specified for our particular branch circuit.

2. Check for proper fuse. You should use a time delay fuse.

3. Check for low voltage conditions and/or proper extension cord.

4. Disconnect the other electrical appliances from circuit or operate

the compressor on its own branch circuit.

21 Worn Belt Contact a D

WALT factory service center or a D

WALT authorized

service center.

22 Restricted air intake filter Clean or replace air intake filter. Do not operate the air compressor

with the filter removed. Refer to the Air Filter paragraph in the

Maintenance section.

La page charge ...

DeWalt D55168 Manuel utilisateur

Marque: DeWalt

Modèle: D55168

Catégorie: Compresseurs d'air

Taper: Manuel utilisateur

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