Delta Air Compressor 66-500-1 Manuel utilisateur

INSTRUCTIO

N

M

AN

UAL

PART NO. D27449 Rev. 1

To learn more about DELTA MACHINERY

visit our website at: www.deltamachinery.com.

For Parts, Service, Warranty or other Assistance,

please call 1-866-422-4286.

Oil-Free

Air Compressor

(66-500-1)

ESPAÑOL: PÁGINA 25

FRANÇAIS: PAGE 49

2- ENG

D27449

SAFETY GUIDELINES - DEFINITIONS

Indicates an

imminently hazardous

situation which, if not avoided, will

result in death or serious injury.

Indicates a

potentially

hazardous situation which, if not

avoided, could

result in death or

serious injury.

Indicates a

potentially hazardous

situation which, if not avoided, may

result in minor or moderate injury.

Used without the

safety alert symbol

indicates a potentially hazardous

situation which, if not avoided, may

result in pr

operty damage.

This manual contains information that is important for you to know and

understand. This information relates to protecting YOUR SAFETY and

PREVENTING EQUIPMENT PROBLEMS. To help you recognize this

information, we use the symbols below. Please read the manual and pay

attention to these symbols.

IMPORTANT SAFETY INSTRUCTIONS

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:

G

lead from lead-based paints

G

crystalline silica from bricks and cement and other masonry products

G

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, always wear

MSHA/NIOSH approved, properly fitting face mask or respirator when using

such tools.

When using air tools, basic safety precautions should always be followed to

reduce the risk of of personal injury.

3- ENG

D27449

IMPORTANT SAFETY INSTRUCTIONS

Save these instructions

Improper operation or maintenance of this product could result in serious injury and

property damage. Read and understand all warnings and operation instructions before

using this equipment.

HAZARD

WARNING: Risk of explosion or fire

How To Prevent It

What Could Happen

It is normal for electrical contacts within

the motor and pressure switch to spark.

If electrical sparks from compressor

come into contact with flammable

vapors, they may ignite, causing fire or

explosion.

Restricting any of the compressor

ventilation openings will cause serious

overheating and could cause fire.

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 operate the compressor in a well

ventilated area free of combustible

materials, gasoline, or solvent vapors.

If spraying flammable materials, locate

compressor at least 20 feet away from

spray area. An additional length of hose

may be required.

Store flammable materials in a secure

location away from compressor.

Never place objects against or on top

of compressor. Operate compressor in

an open area at least 12 inches 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.

Always remain in attendance with the

product when it is operating.

Always disconnect electrical power by

moving pressure switch lever to the off

position and drain tank daily or after

each use.

4- ENG

D27449

WARNING: Risk of Bursting

Air Tank: The following conditions could lead to a weakening of the tank, and result

in a violent tank explosion and could cause property damage or serious injury.

How To Prevent It

What Could Happen

WARNING: Risk from Flying Objects

HOW TO PREVENT IT

WHAT CAN HAPPEN

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 ANSI Z87.1 approved

safety glasses 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

tank before attempting maintenance,

attaching tools or accessories.

HAZARD

Drain tank daily or after each use. If

tank develops a leak, replace it

immediately with a new tank or replace

the entire compressor.

1. Failure to properly drain

condensed water from tank,

causing rust and thinning of the

steel tank.

2. Modifications or attempted repairs

to the tank.

3. Unauthorized modifications to the

unloader valve, safety valve, or any

other components which control

tank pressure.

Never drill into, weld, or make any

modifications to the tank or its

attachments.

4. Excessive vibration can weaken

the air tank and cause rupture or

explosion

The tank is designed to withstand specific

operating pressures. Never make

adjustments or parts substitutions to

alter the factory set operating

pressures.

For essential control of air pressure, you

must install a pressure regulator and

pressure gauge to the air outlet (if not

equipped) of your compressor. 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.

A

TTACHMENTS & 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.

5- ENG

D27449

HOW TO PREVENT IT

WHAT CAN HAPPEN

WARNING: Risk to Breathing

WARNING: Risk of Electrical Shock

HOW TO PREVENT IT

WHAT CAN HAPPEN

HAZARD

Your air compressor is powered by

electricity. Like any other electrically

powered device, If it is not used properly

it may cause electric shock.

Repairs attempted by unqualified

personnel can result in serious injury or

death by electrocution.

Electrical Grounding: Failure to provide

adequate grounding to this product

could result in serious injury or death

from electrocution.

See grounding instructions.

Never operate the compressor outdoors

when it is raining or in wet conditions.

Never operate compressor with

protective covers removed or damaged.

Any electrical wiring or repairs required

on this product should be performed by

authorized service center personnel in

accordance with national and local

electrical codes.

Make certain that the electrical circuit

to which the compressor is connected

provides proper electrical grounding,

correct voltage and adequate fuse

protection.

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 tank. Breathing these

contaminants can cause serious injury

or death.

Sprayed materials such as paint, paint

solvents, paint remover, insecticides,

weed killers, may contain harmful vapors

and poisons.

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.

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. Use a NIOSH/ MSHA

approved respirator designed for use

with your specific application.

6- ENG

D27449

HOW TO PREVENT IT

WHAT CAN HAPPEN

WARNING: RISK OF BURNS

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.

HOW TO PREVENT IT

WHAT CAN HAPPEN

WARNING: RISK FROM MOVING PARTS

Never operate the compressor with

guards or covers which are damaged or

removed.

Moving parts such as the pulley, flywheel,

and belt can cause serious injury if they

com into contact with you or your

clothing.

HOW TO PREVENT IT

WHAT CAN HAPPEN

WARNING: RISK OF FALLING

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.

HAZARD

Any repairs required on this product

should be performed by authorized

service center personnel.

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.

7- ENG

D27449

Review and understand all instructions

and warnings in this manual.

Become familiar with the operation and

controls of the air compressor.

Keep operating area clear of all persons,

pets, and obstacles.

Keep children 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 features of this

product.

Equip area of operation with a fire

extinguisher.

Do not operate machine with missing,

broken, or unauthorized parts.

HOW TO PREVENT IT

WHAT CAN HAPPEN

WARNING: RISK OF UNSAFE OPERATION

Unsafe operation of your air compressor

could lead to serious injury or death to

you or others.

HAZARD

HOW TO PREVENT IT

WHAT CAN HAPPEN

WARNING: RISK OF SERIOUS INJURY OR PROPERTY

DAMAGE WHEN TRANSPORTING COMPRESSOR

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.

(Fire, Inhalation, Damage to Vehicle Surfaces)

HAZARD

8- ENG

D27449

GLOSSARY

Become familiar with these terms before operating the unit.

CFM: Cubic feet per minute.

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

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

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 Underwriters Laboratories

Standards for Safety.

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

continue to use your accessory. 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: Circuit carrying electricity from electrical panel to outlet.

DUTY CYCLE

Air compressors should be operated on not more than a 50% duty cycle. This

means an air compressor that pumps air more than 50% of one hour is

considered misuse, because the air compressor is undersized for the required

air demand. Maximum compressor pumping time per hour is 30 minutes.

Accessories for this unit are available at the store the unit was purchased.

ACCESSORIES

SPECIFICATIONS

Model No. 66-500-1

Horsepower Peak 2

Bore 1.875"

Stroke 1.250"

Voltage/Hertz/ Phase 120V/60Hz/1Ph

Minimum Branch Circuit Requirement 15 amps

*Fuse Type Time Delay

Air Tank Capacity 8 gallons

Approximate Cut-in Pressure 100

Approximate Cut-out Pressure 125

SCFM @ 40 PSIG 3.7

SCFM @ 90 PSIG 2.6

A circuit breaker is preferred. Use only a fuse or circuit breaker that is the same

rating as the branch circuit the air compressor is operated on. 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.

INSTALLATION

Location of the Air Compressor

Locate the air compressor in a clean, dry and well ventilated area. The air

compressor should be located at least 12" away from the wall or other

obstructions that will interfere with the flow of air. 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.

HOW TO SET UP YOUR UNIT

9- ENG

D27449

ASSEMBLY (does not apply to all units)

Assembly for “Tank” units

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. Submerge handle grip into warm

soapy water to make installation

easier. Remove handle grip from

soapy water and slide onto handle.

2. Slide handle through holes in

compressor saddle onto tabs.

Secure with screws, one on each

side.

It will be necessary to

brace or support one

side of the outfit when installing the

wheels because the compressor will

have a tendency to tip over.

3. Install one shoulder bolt and one nut

for each wheel. Tighten securely.

The outfit will sit level if the wheels

are properly installed.

4. Clean and dry underside of air tank

leg opposite wheels. Remove the

protective strip from the adhesive

backed molded foot bumpers.

Attach the foot bumpers to the

bottom of leg on each end.

Press firmly into place.

Wheel

Shoulder Bolt

Nut

Handle

Screw

Compressor Saddle

Tab

Molded Foot Bumpers

GROUNDING INSTRUCTIONS

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 (see illustrations). The plug must be

used with an outlet that has been installed and

grounded in accordance with all local codes and

ordinances.

1. The cord set and plug with this unit contains a

grounding pin. This plug MUST be used with a

grounded outlet.

IMPORTANT: The outlet being used must be

installed and grounded in accordance with all local

codes and ordinances.

2. Make sure the outlet being used has the same

configuration as the grounded plug. DO NOT

USE AN ADAPTER.

When used outside of the United

States of America a conversion kit may be required for

local use.

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.

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.

120 Volt U.S.A. Plug

240 Volt U.S.A. Plug

Grounding

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 product

• in good condition

• no longer than 50 feet

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

decreases. 12 AWG, 10 AWG, and 8 AWG may also be used. DO NOT

USE 16 OR 18 AWG.)

11- ENG

D27449

Voltage and Circuit Protection

Refer to the Parts Manual for the voltage and minimum branch circuit

requirements.

Certain air compressors can be operated on a 15 amp circuit if the following

conditions are met.

1. Voltage supply through branch circuit is 15 amps.

2. Circuit is not used to supply any other electrical needs (lights, appliances,

etc.).

3. Extension cords comply with specifications.

4. 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 marked “D” for Canada and "T" for 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.

12- ENG

D27449

OPERATION

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.

Description of Operation

Become familiar with these controls before operating the unit.

On/Auto/Off Switch: Turn this switch ON to provide automatic power to the

pressure switch and OFF to remove

power at the end of each use.

Pressure Switch: The pressure switch

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 will protect against high pressure by

“popping out” at its factory set pressure

(slightly higher than the pressure switch

“cut-out” setting).

Outlet Pressure Gauge: The outlet pressure gauge indicates the air pressure

available at the outlet side of the regulator. This pressure is controlled by the

regulator and is always less than or equal to the tank pressure.

Tank Pressure Gauge: The tank pressure gauge indicates the reserve air

pressure in the tank.

Regulator: Controls the air pressure shown on the outlet 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.

Drain Valve: The drain valve is located at the base of the air tank and is used

to drain condensation at the end of each use.

Cooling System (not shown): This compressor contains an

advanced design cooling system. At the heart of this cooling

system is an engineered fan. It is perfectly normal for this fan

to blow air through the vent holes in large amounts. You

know that the cooling system is working when air is being

expelled.

Air Compressor Pump (not shown): 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.

Check Valve: When the air compressor is operating, the

check valve 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.

Drain

Valve

Pressure

Switch

Tank

Pressure Gauge

Outlet

Pressure Gauge

Safety

Valve

On/Auto/Off

Switch

Regulator

Check Valve

13- ENG

D27449

Before Starting

Break-in Procedure

Serious damage (for units with a tank) 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 On/Auto/Off lever is in the "OFF" position.

NOTE: 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.

(Refer to

Voltage and Circuit Protection paragraph in the Installation section of this

manual.)

3. Open the drain valve fully (counterclockwise) to permit air to escape and

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

4. Move the On/Auto/Off lever to "ON/AUTO" position. The compressor will

start.

5. Run the compressor for 15 minutes. Make sure the drain valve is open and

there is minimal air pressure build-up in tank.

6. After 15 minutes, close the drain valve (clockwise). The air receiver will fill

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

The compressor is now ready for use.

How to Use Your Unit

How to Stop:

1. Set the On/Auto/Off lever to “OFF”.

Before Each Start-Up:

1. Place On/Auto/Off lever to “OFF”.

2. Pull regulator knob out, turn counterclockwise until it stops. Push knob in

to lock in place.

3. Attach hose and accessories. NOTE: The hose or accessory will require a

quick connect plug if the air outlet is equipped with a quick connect

socket.

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.

14- ENG

D27449

MAINTENANCE

Customer Responsibilities

Daily or after

each use

Before each use

Check Safety Valve ●

Drain Tank ●

To Check Safety Valve

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.

To Drain Tank

1. Set the On/Auto/Off lever to “OFF”.

2. Pull the regulator knob out and turn counter-clockwise 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 (counter-clockwise) on

bottom of tank.

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.

6. After the water has been drained, close the drain valve (clockwise). 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.

How to Start:

1. Turn the On/Auto/Off lever to “AUTO” and allow tank pressure to build.

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

2. Pull the regulator knob out and turn clockwise to increase pressure. When

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

compressor is ready for use.

NOTE: Always operate the air compressor in well-ventilated areas free of

gasoline or other combustible vapors. If the compressor is being used to

operate a sprayer DO NOT place near the spray area.

To Replace or Clean Check Valve

1. Release all air pressure from air tank. See “To Drain Tank” in the

Maintenance section.

2. Unplug outfit.

3. Loosen the nut on the outlet tube

and move the outlet tube to the

side.

4. Unscrew the check valve (turn

counterclockwise) using a socket

wrench.

5. Make sure the valve disc moves

freely inside the check valve and

the spring holds the disc in the

upper, closed position. The check

valve may be cleaned with a

solvent, such as paint and

varnish remover.

6. Apply sealant to the check valve

threads. Reinstall the check valve

(turn clockwise).

7. Replace the outlet tube and tighten

the nut.

8. Perform the Break-in Procedure. See “Break-in Procedure” in the

Operation section.

ALL MAINTENANCE AND REPAIR OPERATIONS NOT LISTED MUST BE

PERFORMED BY TRAINED SERVICE TECHNICIAN.

15- ENG

D27449

SERVICE AND ADJUSTMENTS

Unit cycles automatically when power is on. When doing

Maintenance, you may be exposed to voltage sources,

compressed air or moving parts. Personal injuries can occur. Before

performing any Maintenance or repair, unplug the compressor and bleed

off all air pressure.

In closed position

disc is visible.

In open

position

nothing is

visible.

Screwdriver

Outlet Tube

Check

Valve

Nut

Before servicing:

• Unplug or disconnect electrical supply to the air compressor.

• Bleed tank of pressure.

• Allow the air compressor to cool.

16- ENG

D27449

To Replace Regulator

1. Release all air pressure from air tank. See “To Drain Tank” in the

Maintenance section.

2. Unplug outfit.

3. Using an adjustable wrench remove the gauges and hose from the

regulator.

4. Remove the regulator.

5. Apply pipe sealant tape to the nipple on the standpipe.

6. Assemble the regulator and orient as shown.

NOTE: Arrow indicates flow of air. Make sure it is pointing

in the direction of air flow.

7. Reapply pipe sealant to gauges and hose.

8. Reassemble gauges and hose. Orient gauges to read

correctly. Tighten hose with wrench.

Arrow

Regulator

Before you store the air compressor, make sure you do the following:

1. Review the "Maintenance" section on the preceding pages and perform

scheduled maintenance as necessary.

2. Set the On/Auto/Off lever to “OFF”.

3. Turn the regulator counterclockwise and set the outlet pressure to zero.

4. Remove the air tool or accessory.

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

pressure is approximately 20 psi. Release safety valve ring.

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

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.

7. After the water has been drained, close the drain or drain valve.

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

removed, cleaned, then reinstalled.

8. Protect the electrical cord and air hose from damage (such as being

stepped on or run over). Wind them loosely around the compressor

handle. (If so equipped)

9. Store the air compressor in a clean and dry location.

STORAGE

17- ENG

D27449

Performing repairs may expose voltage sources, moving

parts or compressed air sources, moving parts or

compressed air sources. Personal injury may occur. Prior to attempting

any repairs, unplug the air compressor and bleed off all air tank air

pressure.

PROBLEM

CAUSE

CORRECTION

Pressure switch does not

shut off motor when

compressor reaches “cut-

out” pressure.

Pressure switch “cut-out”

too high.

Move On/Auto/Off lever to

the “OFF” position, if the

outfit does not shut off

contact a Trained Service

Technician.

Contact a Trained Service

Technician.

Excessive tank

pressure - safety

valve pops off.

Tube fittings are not tight

enough.

Tighten fittings where air can

be heard escaping. Check

fittings with soapy water

solution. Do Not

Overtighten.

Air leaks at

fittings.

Air leaks at

pressure switch

release valve.

(if equipped)

Defective pressure switch

release valve.

Contact a Trained Service

Technician.

Air leaks in air

tank or at air

tank welds.

Defective air tank. Air tank must be replaced.

Do not repair the leak.

Do not drill into, weld or

otherwise modify air tank

or it will weaken. The tank

can rupture or explode.

Air leaks

between head

and valve plate.

Leaking seal.

Contact a Trained Service

Technician.

Possible defect in safety

valve.

Operate safety valve manually

by pulling on ring. If valve

still leaks, it should be

replaced.

Air leak from

safety valve.

Possible defect in safety

valve.

Operate safety valve manually

by pulling on ring. If valve still

leaks, it should be replaced.

Knocking Noise.

TROUBLESHOOTING

18- ENG

D27449

Regulator will

not shut off air

outlet.

Damaged regulator Replace

PROBLEM

CAUSE

CORRECTION

It is normal for “some”

pressure drop to occur.

If there is an excessive

amount of pressure drop

when the accessory is used,

adjust the regulator following

the instructions in the

“Description of Operation”

paragraph in the “Operation

Section.

NOTE: Adjust the regulated

pressure under flow

conditions (while accessory

is being used).

Compressor is

not supplying

enough air to

operate

accessories.

Prolonged excessive use of

air.

Compressor is not large

enough for air requirement.

Hole in hose.

Check valve restricted.

Air leaks.

Decrease amount of air

usage.

Check the accessory air

requirement. If it is higher

than the SCFM or pressure

supplied by your air

compressor, you need a

larger compressor.

Check and replace if

required.

Remove and clean, or

replace.

Tighten fittings.

Damaged regulator Replace

Regulator knob

has continuous

air leak.

Pressure reading

on the regulated

pressure gauge

drops when an

accessory is

used.

19- ENG

D27449

PROBLEM

CAUSE

CORRECTION

Motor will not

run.

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

your particular branch circuit.

Check for proper fuse. You

should use a time delay fuse.

Check for low voltage

problem.

Check the extension cord.

Disconnect the other

electrical appliances from

circuit or operate the

compressor on its own

branch circuit.

Have checked by a Trained

Service Technician.

Fuse blown, circuit breaker

tripped.

Extension cord is wrong

length or gauge.

Loose electrical

connections.

Faulty motor.

Check the extension cord.

Check wiring connection

inside terminal box.

20- ENG

D27449

AIR COMPRESSOR DIAGRAM

21

5

13

16

4

3

9

10

1

11

15

6

14

12

8

7

17

20

18

19

2

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