Central Pneumatic 93657 User manual

1/8 HP OIL-LESS AIRBRUSH COMPRESSOR

WITH REGULATOR

Model 93657

ASSEMBLY AND OPERATING INSTRUCTIONS

3491 Mission Oaks Blvd., Camarillo, CA 93011

Visit ourWeb site at: http://www.harborfreight.com

manual or any artwork contained herein may be reproduced in any shape or form

without the express written consent of Harbor Freight Tools.

For technical questions, please call 1-800-444-3353.

TO PREVENT SERIOUS INJURY,

READ AND UNDERSTAND ALL WARNINGS

AND INSTRUCTIONS BEFORE USE.

Due to continuing improvements, actual product may differ slightly from the product described herein.

SKU 93657 For technical questions, please call 1-800-444-3353. Page 2

PRODUCT SPECIFICATIONS

SAVE THIS MANUAL

You will need this manual for the safety warnings and precautions, assembly, operating,

inspection, maintenance and cleaning procedures, parts list and assembly diagram. Keep

your invoice with this manual. Write the invoice number on the inside of the front cover.

Keep this manual and invoice in a safe and dry place for future reference.

GENERAL SAFETY RULES AND PRECAUTIONS

WARNING!

READ AND UNDERSTAND ALL INSTRUCTIONS

Failure to follow all instructions listed below may result in

electric shock, fire, and/or serious injury.

SAVE THESE INSTRUCTIONS

WORK AREA

1. Keep your work area clean and well lit. Cluttered benches and dark areas invite

accidents.

2. Do not operate power tools in explosive atmospheres, such as in the

presence of flammable liquids, gases, or dust. Power tools create sparks

which may ignite the dust or fumes.

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REV 01/06

SKU 93657 For technical questions, please call 1-800-444-3353. Page 3

3. Keep bystanders, children, and visitors away while operating a power tool.

Distractions can cause you to lose control. Protect others in the work area from

debris such as chips and sparks. Provide barriers or shields as needed.

PERSONAL SAFETY

1. Stay alert. Watch what you are doing, and use common sense when operating

a power tool. Do not use a power tool while tired or under the influence of

drugs, alcohol, or medication. A moment of inattention while operating power

tools may result in serious personal injury.

2. Dress properly. Do not wear loose clothing or jewelry. Contain long hair.Keep

your hair, clothing, and gloves away from moving parts. Loose clothes, jewelry,

or long hair can be caught in moving parts.

3. Avoid accidental starting. Be sure the Power Switch (34) is in its“OFF” posi-

tion before moving the Compressor

and

before performing any service, main-

tenance, or cleaning procedures on the unit.

4. Remove adjusting keys or wrenches before turning the Compressor on. A

wrench or a key that is left attached to a rotating part of the machine may result in

personal injury.

5. Do not overreach. Keep proper footing and balance at all times. Proper footing

and balance enables better control of the power tool in unexpected situations.

6. Use safety equipment. Always wear eye protection. Always wear ANSI-

approved safety impact goggles when using this product.

TOOL USE AND CARE

1. Do not force the tool. Use the correct tool for your application. The correct

tool will do the job better and safer at the rate for which it is designed.

2. Do not use the Compressor if the Power Switch (34) does not turn it on or

off. Any tool that cannot be controlled with its power switch is dangerous and

must be replaced.

3. Store idle tools out of reach of children and other untrained persons. Tools

are dangerous in the hands of untrained users.

4. Maintain tools with care. Properly maintained tools with a sharp cutting edge are

less likely to bind and are easier to control. Do not use a damaged tool. Tag dam-

aged tools “Do not use” until repaired.

5. Check for misalignment or binding of moving parts, breakage of parts, and

any other condition that may affect the tool’s operation. If damaged, have the

SKU 93657 For technical questions, please call 1-800-444-3353. Page 4

SPECIFIC SAFETY RULES AND PRECAUTIONS

1. Maintain labels and nameplates on the Air Compressor. These carry important

information. If unreadable or missing, contact Harbor Freight Tools for a replace-

ment.

2. DANGER! This Air Compressor is NOT equipped and should not be used “as

is” to supply breathing quality air. For any application of air for human consumption,

you must fit the Air Compressor with suitable inline safety and alarm equipment (not

included). This additional equipment is necessary to properly filter and purify the air

to meet minimal specifications for Grade D breathing as described in Compressed

Gas Association Commodity Specification G 7.1-1966, OSHA 29 CFR 1910. 134,

and/or Canadian Standards Associations (CSA). In the event the Air Compressor

is used for the purpose of breathing air application and proper inline safety and

alarm equipment is not simultaneously used, existing warranties are void, and Har-

bor Freight Tools disclaims any liability whatsoever for any loss, personal injury, or

damage.

3. Make sure all tools and equipment used with the Air Compressor are rated to

the appropriate capacity. Do not use any tool or equipment that does not operate

from 3 PSI to 40 PSI.

4. Drain the Air Compressor every day. Do not allow excessive moisture to build up

inside the Air Compressor. Do not open the Water Drain Valve (40) with more than

10 PSI of air pressure in the Compressor.

5. Avoid injury. Never direct compressed air at people or animals. Never direct air-

flow at eyes and ears.

tool serviced before using. Many accidents are caused by poorly maintained

tools.

6. Use only accessories that are recommended by the manufacturer for your

model. Accessories that may be suitable for one tool may become hazardous when

used on another tool.

SERVICE

1. Tool service must be performed only by qualified repair personnel. Service or

maintenance performed by unqualified personnel could result in a risk of injury.

2. When servicing a tool, use only identical replacement parts. Follow instruc-

tions in the

“Inspection, Maintenance, And Cleaning”

section of this manual.

Use of unauthorized parts or failure to follow maintenance instructions may create a

risk of electric shock or injury.

SKU 93657 For technical questions, please call 1-800-444-3353. Page 5

6. Make sure the Air Compressor is located on a flat, level, sturdy surface ca-

pable of supporting the weight of the Compressor and any additional tools

and equipment.

7. Industrial applications must follow OSHA guidelines.

8. Never stand on the Air Compressor. Serious injury could result if the Compres-

sor is tipped.

9. Never leave the Air Compressor unattended when it is plugged in and run-

ning. Turn off the Compressor, and unplug the unit before leaving.

10. Do not allow children and other unauthorized people to handle or play with

the Air Compressor.

11. Do not move or transport the Compressor if the unit is under pressure.

12. Do not force the Compressor. This tool will do the work better and safer at the

speed and capacity for which it was designed.

13. This Compressor will automatically shut off on overload or under excessive

heat. Should this occur, turn the Power Switch (34) to its “OFF” position. Wait until

the Compressor cools. Then, turn the Power Switch to its “ON” position to resume

work.

14. Spray painting only. Never use this unit with gasoline, kerosene, or any other

flammable solvent.

15. WARNING! The brass components of this product contain lead, a chemical

known to the State of California to cause birth defects (or other reproductive harm).

(California Health & Safety code § 25249.5,

et seq.

)

16. WARNING! People with pacemakers should consult their physician(s) before

using this product. Operation of electrical equipment in close proximity to a heart

pacemaker could cause interference to or failure of the pacemaker.

17. WARNING! The warnings and precautions discussed in this manual cannot

cover all possible conditions and situations that may occur. It must be understood

by the operator that common sense and caution are factors which cannot be built

into this product, but must be supplied by the operator.

SAVE THESE INSTRUCTIONS

SKU 93657 For technical questions, please call 1-800-444-3353. Page 6

Improperly connecting the grounding wire can result in the risk of electric shock.

Check with a qualified electrician if you are in doubt as to whether the outlet is

properly grounded. Do not modify the power cord plug provided with the tool. Never

remove the grounding prong from the plug. Do not use the tool if the power cord or

plug is damaged. If damaged, have it repaired by a service facility before use. If the

plug will not fit the outlet, have a proper outlet installed by a qualified electrician.

GROUNDED TOOLS: TOOLS WITH THREE PRONG PLUGS

1. Tools marked with “Grounding Required” have a three wire cord and three prong

grounding plug. The plug must be connected to a properly grounded outlet. If

the tool should electrically malfunction or break down, grounding provides a low

resistance path to carry electricity away from the user, reducing the risk of electric

shock. (See Figure A.)

2. The grounding prong in the plug is connected through the green wire inside the

cord to the grounding system in the tool. The green wire in the cord must be the

only wire connected to the tool’s grounding system and must never be attached

to an electrically “live” terminal. (See Figure A.)

3. Your tool must be plugged into an appropriate outlet, properly installed and

grounded in accordance with all codes and ordinances. The plug and outlet

should look like those in the following illustration. (See Figure A.)

GROUNDING

WARNING!

THIS PRODUCT

USES A

3-PRONG PLUG

120 VOLT, GROUNDED,

ELECTRICAL OUTLET

FIGURE A

SKU 93657 For technical questions, please call 1-800-444-3353. Page 7

DOUBLE INSULATED TOOLS: TOOLS WITH TWO PRONG PLUGS

4. Tools marked “Double Insulated” do not require grounding. They have a special

double insulation system which satisfies OSHA requirements and complies with

the applicable standards of Underwriters Laboratories, Inc., the Canadian

Standard Association, and the National Electrical Code. (See Figure B.)

5. Double insulated tools may be used in either of the 120 volt outlets shown in the

following illustration. (See Figure B.)

THIS PRODUCT

DOES NOT USE A

2-PRONG PLUG

20 VOLT, GROUNDED,

ELECTRICAL OUTLETS

FIGURE B

SYMBOLOGY

FIGURE C

SKU 93657 For technical questions, please call 1-800-444-3353. Page 8

UNPACKING

When unpacking, check to make sure all the parts shown on the Parts List on page 11

are included. If any parts are missing or broken, please call Harbor Freight Tools at the

number shown on the cover of this manual as soon as possible.

SETUP INSTRUCTIONS

1. CAUTION! Always make sure the Power Switch (34) of the Air Compressor is

in its “OFF” position and the unit is unplugged from its electrical outlet prior to per-

forming any service, maintenance, or cleaning of the Compressor.

2. Before operating, make sure the Air Compressor is set up in a well-ventilated area,

on a flat, level, solid surface well away from any flammable objects, such as drapes.

Never paint in an area without proper ventilation, or near possible ignition sources.

OPERATING INSTRUCTIONS

To Start The Compressor:

1. Insert the Power Cord Plug (35) into the nearest 120 volt, grounded, electrical out-

let. (See Figure A.)

2. Connect an Air Brush (not included) to the Air Hose (42) of the Compressor. Use

Hose Adapter (44) if needed.

3. Turn the Power Switch (34) to its “ON” position. (See Figure A.)

POWER

SWITCH

(34)

POWER

CORD

PLUG

(35)

WATER

DRAIN

VALVE (40)

HANDLE

(30)

FIGURE A PRESSURE

GAUGE (11)

Note: This Compressor is designed for

use with air brushes; never attempt to

operate this compressor with any other

type of painting equipment.

REGULATOR

KNOB (40)

SKU 93657 For technical questions, please call 1-800-444-3353. Page 9

INSPECTION, MAINTENANCE, AND CLEANING

1. CAUTION! Always make sure the Power Switch (34) of the Air Compressor is

in its “OFF” position and the unit is unplugged from its electrical outlet prior to per-

forming any service, maintenance, or cleaning of the Compressor.

2. Before each use, inspect the general condition of the Air Compressor. Check for

loose screws, misalignment or binding of moving parts, cracked or broken parts,

damaged electrical wiring, loose air fittings, and any other condition that may affect

the safe operation of the Compressor. If abnormal noise or vibration occurs, have

the problem corrected before further use.

Do not use damaged equipment.

3. After each use: The Filter (29) will fill up with moisture from air that flows through

the Filter. After each use, push the Water Drain Valve (41) under the Filter Cup to

drain out the moisture. (See Figure A.)

4. To clean, wipe with a damp cloth, using a mild detergent. Never use solvents such

as thinner, alcohol, trichloroethylene, etc. to clean the Air Compressor.

5. Always store the Air Compressor in a clean, dry, safe location out of reach of chil-

dren and other unauthorized people.

6. CAUTION! All maintenance, service,or repairs not mentioned in this manual

must only be performed by a qualified service technician.

REV 1/06

4. NOTE: The Compressor will automatically begin to run when the air pressure falls

below 43 PSI. When the maximum air pressure (56 PSI) is reached, the Compres-

sor will automatically switch to idle and the Compressor will stop operating. The

Compressor will automatically restart when the air pressure falls below 43 PSI.

(See Figure A.)

5. Adjust the regulated air pressure output as shown on the Pressure Gauge (11) by

lifting the Regulator Knob (40), turning it to the desired pressure and pressing it

back down.

6. When finished using the Air Compressor, turn its Power Switch (34) to its “OFF”

position. Bleed out any remaining air and disconnect the Air Brush. Briefly depress

the Water Drain Valve (41) to empty the unit of water after each use. (See Figure A.)

7. Always make sure to store the Air Compressor in a clean, dry, safe location out of

reach of children and other unauthorized people.

SKU 93657 For technical questions, please call 1-800-444-3353. Page 10

TROUBLESHOOTING

Problem Possible Causes Possible Solutions

The motor does not work. 1. No electrical power.

2. Damaged power cord.

3. Electrical wiring within the unit is

defective.

4. Power switch is defective.

1. Make sure the power cord is

plugged into a working, 120 volt,

grounded, electrical outlet.

2. Have a qualified service technician

replace the power cord.

3. Have a qualified service technician

replace electrical wiring.

4. Have a qualified service technician

replace power switch.

The motor runs, but it makes irregular

noises or a knocking noise.

1. Bearing is loose or damaged.

2. Screws in the connection rod are

loose.

1. Have a qualified service technician

replace the bearing.

2. Tighten the screws, or replace them

if necessary.

Not enough pressure when painting or

spraying. 1. Loose air connection(s).

2. Air hose is damaged.

3. Screws on cylinder cover are loose.

1. Check all air connections, and

tighten them if necessary.

2. Replace air hose.

3. Tighten screws.

Poor spray pattern. 1. Loose air connection(s)

2. The oil paint concentration is too

high.

3. The air brush nozzle is plugged or

dirty.

1. Check all air connections, and

tighten them if necessary.

2. Add paint thinner and mix

thoroughly.

3. Clean or change the nozzle.

Motor runs good, but no air pressure

or lack of air delivery.

1. Valve plate is unscrewed or out of

place.

2. Retainer ring is damaged after

excessive use at high pressure.

1. Open the front cover and make

sure the valve plate is in the proper

position. Tighten the screws if

necessary.

2. Have a qualified service technician

replace the retainer ring.

WARNING!

All servicing must be done with the power switch off and the power cord

unplugged from its electrical outlet.

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