Central Pneumatic 93351 User manual

2.5 HP AIR COMPRESSOR

29 GALLON CAPACITY

Model 93351

ASSEMBLY AND OPERATING INSTRUCTIONS

3491 Mission Oaks Blvd., Camarillo, CA 93011

Visit our Web 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.

Cover Revised 05/06

TO PREVENT SERIOUS INJURY,

READ AND UNDERSTAND ALL WARNINGS

AND INSTRUCTIONS BEFORE USE.

Do to continuing improvements,

actual product may differ slightly

from the product described herein.

WARNING!

Your Warranty Is Voided If:

A. You do not put compressor oil in the Compressor’s crankcase prior to its ﬁrst use.

Before each use, check the oil level. Never run the Compressor with low or no compres-

sor oil. Running the Compressor with low or no oil will permanently damage the unit.

B. You use an extension cord with the Air Compressor.

Connect the Air Compressor’s Power Cord Plug directly to the nearest 120 volt, grounded,

electrical outlet. If necessary, attach a longer air hose to the Compressor.

C. You drop the Air Compressor.

Do not lift the Air Compressor using its Handle.

SKU 93351 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

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

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

accidents.

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.

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.

Electrical Requirements 120V / 60 Hz / Single Phase / 13.5 Amps (With Load)

2.5 HP / Single Phase / 3450 RPM

3-Wire Power Cord (6’ Long x 16 Gauge x 3 Cords)

3-Prong Power Cord Plug

Air Tank Capacity 29 Gallons

Pump Stage Single Stage (Direct Drive)

Pump Style Single Cylinder Pump

Maximum Air Pressure 110 PSI w/Automatic Shut Off

Auto Start PSI Starts at 85 PSI

Regulators w/Gauges Reads 0-200 PSI (in 10 PSI Increments)

Air Flow Capacity 8.5 CFM @ 40 PSI / 7.5 CFM @ 90 PSI

Air Outlet Size ¼”-18 NPT

Accessories Air Filter (Qty. 1)

Tool Weight 154 Pounds

SKU 93351 For technical questions, please call 1-800-444-3353. Page 3

ELECTRICAL SAFETY

Grounded tools must be plugged into an outlet properly installed and

grounded in accordance with all codes and ordinances. Never remove

the grounding prong or modify the plug in any way. Do not use any

adapter plugs. Check with a qualiﬁed electrician if you are in doubt as to

whether the outlet is properly grounded. If the tools should electrically malfunc-

tion or break down, grounding provides a low resistance path to carry electricity

away from the user.

5. Double insulated tools are equipped with a polarized plug (one blade is wider

than the other). This plug will ﬁt in a polarized outlet only one way. If the plug

does not ﬁt fully in the outlet, reverse the plug. If it still does not ﬁt, contact

a qualiﬁed electrician to install a polarized outlet. Do not change the plug

in any way. Double insulation eliminates the need for the three wire grounded

power cord and grounded power supply system.

6. Avoid body contact with grounded surfaces such as pipes, radiators, ranges,

and refrigerators. There is an increased risk of electric shock if your body is

grounded.

7. Do not expose power tools to rain or wet conditions. Water entering a power

tool will increase the risk of electric shock.

8. Do not abuse the Power Cord. Never use the Power Cord to carry the tools or

pull the Plug from an outlet. Keep the Power Cord away from heat, oil, sharp

edges, or moving parts. Replace damaged Power Cords immediately. Dam-

aged Power Cords increase the risk of electric shock.

PERSONAL SAFETY

Stay alert. Watch what you are doing, and use common sense when operat-

ing 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.

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.

Avoid accidental starting. Be sure the ON/OFF Knob (86) is off before plug-

ging in. Plugging in power tools with the ON/OFF Knob on, invites accidents.

Remove adjusting keys or wrenches before turning the power tool on. A wrench or

a key that is left attached to a rotating part of the power tool may result in personal

injury.

10.

11.

12.

SKU 93351 For technical questions, please call 1-800-444-3353. Page 4

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.

Use safety equipment. Always wear eye protection. Always wear

ANSI approved safety impact goggles when using this product. Hearing

protection must be used for appropriate conditions.

TOOL USE AND CARE

Use clamps (not included) or other practical ways to secure and support

the workpiece to a stable platform. Holding the work by hand or against your

body is unstable and may lead to loss of control.

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.

Do not use the power tool if the ON/OFF Knob (86) does not turn it on or off.

Any tool that cannot be controlled with the Power Switch is dangerous and must

be replaced.

Disconnect the Power Cord Plug from the power source before making any

adjustments, changing accessories, or storing the tool. Such preventive safety

measures reduce the risk of starting the tool accidentally.

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

are dangerous in the hands of untrained users.

Maintain tools with care. Keep cutting tools sharp and clean. Properly main-

tained tools with a sharp cutting edge are less likely to bind and are easier to control.

Do not use a damaged tool. Tag damaged tools “Do not use” until repaired.

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 tool

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

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

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

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

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

structions 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.

13.

14.

15.

16.

17.

18.

19.

20.

21.

22.

23.

24.

SKU 93351 For technical questions, please call 1-800-444-3353. Page 5

SPECIFIC SAFETY RULES

WARNING! Your Warranty is voided if:

You do not put compressor oil in the Compressor’s crankcase prior to its

ﬁrst use. Before each use, check the oil level. Never run the Compressor

with low or no compressor oil. Running the Compressor with low or no

oil will permanently damage the unit.

You use an extension cord with the Air Compressor. Connect the Air

Compressor’s Power Cord Plug directly to the nearest 120 volt, grounded,

electrical outlet. If necessary, attach a longer air hose to the Compressor.

You drop the Air Compressor. Do not lift the Air Compressor using its

Handle.

This Air Compressor may require a dedicated electrical circuit, as the amper-

age draw under full load combined with use of any other item may overload

your circuit.

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

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

ment.

Always wear ANSI-approved safety impact eye goggles when assembling and

using the Air Compressor.

Maintain a safe working environment. Keep the work area well lit. Make sure

there is adequate surrounding workspace. Always keep the work area free of ob-

structions, grease, oil, trash, and other debris.

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 Com-

pressed 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 Harbor Freight Tools disclaims any liability whatsoever for any loss, personal

injury, or damage.

DANGER! Never attempt to repair or modify the Tank (50). Welding, drilling, or

any other modiﬁcation will weaken the Tank resulting in damage from rupture or

explosion. Always replace worn, cracked, or damaged Tanks.

SKU 93351 For technical questions, please call 1-800-444-3353. Page 6

WARNING! Never use plastic (PVC) pipe for compressed air. Serious injury or death

could result. Any tube, pipe, or hose used must have a pressure rating higher than

150 PSI. Minimum recommended pipe size: Up to 50 feet long use 1/2” diameter.

Greater than 50 feet use 3/4” diameter. Larger diameter pipe is always better.

This Air Compressor is not designed for outdoor use.

WARNING! This Air Compressor is extremely top heavy. The unit must be bolted

to the ﬂoor with isolation pads (not included) or secured with a wall cable (not in-

cluded) before operating to prevent equipment damage, injury, or death.

(See Illustration Below.)

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 85 PSI to 110 PSI.

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

up inside the Air Compressor’s Tank.

Avoid injury. Never direct the Air Outlet Valve at people or animals.

Do not alter or remove the Safety Valve (67). Do not open the Pressure Switch

Box (66).

Do not handle the ON/OFF Knob (86) or Power Cord Plug with wet hands.

Make sure the Air Compressor is located on a ﬂat, level, sturdy surface capable

of supporting the weight of the Compressor, operator(s), and any additional

tools and equipment.

Keep all electrical connections dry and off the ground.

Industrial applications must follow OSHA guidelines.

10.

11.

12.

13.

14.

15.

16.

17.

18.

WALL CABLE

(NOT INCLUDED)

WALL CABLE

(NOT INCLUDED)

ISOLATION PAD

(NOT INCLUDED)

ISOLATION PAD

(NOT INCLUDED)

WALL CABLE

(NOT INCLUDED)

WALL CABLE

(NOT INCLUDED)

ISOLATION PAD

(NOT INCLUDED)

ISOLATION PAD

(NOT INCLUDED)

REV 05/06

SKU 93351 For technical questions, please call 1-800-444-3353. Page 7

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

sor is tipped.

Never leave the Air Compressor unattended when it is plugged in and running.

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

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

the Air Compressor.

Always turn off the Air Compressor and unplug it from its electrical outlet

before performing any inspection, maintenance, or cleaning.

WARNING! This product contains brass, which is a chemical known to the State of

California to cause cancer and birth defects and other reproductive harm. (California

Health & Safety Code 25249.5, et seq.)

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

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

maker could cause interference to or failure of the pacemaker.

WARNING! The warnings and cautions 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

19.

20.

21.

22.

23.

24.

25.

To extend the life of your tools and equipment, it is recommended that you

install an oiler and water ﬁlter inline with the air output line of the Air Compressor.

(See Figure A.)

OILER

WATER

FILTER

REGULATOR

FIGURE A

SKU 93351 For technical questions, please call 1-800-444-3353. Page 8

GROUNDING

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 elec-

tric shock. (See Figure B, next page.)

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 B.)

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 B.)

120 VOLT,

GROUNDED,

ELECTRICAL OUTLET

THIS PRODUCT

USES A

3-PRONG PLUG

FIGURE B

WARNING!

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.

SKU 93351 For technical questions, please call 1-800-444-3353. Page 9

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 C.)

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

following illustration. (See Figure C.)

120 VOLT,

GROUNDED,

ELECTRICAL OUTLET

120 VOLT,

GROUNDED,

ELECTRICAL OUTLET

FIGURE C

SYMBOLOGY

Double Insulated

Canadian Standards Association

Underwriters Laboratories, Inc.

V~ Volts Alternating Current

AAmperes

n0xxxx/min. No Load Revolutions per Minute (RPM)

SKU 93351 For technical questions, please call 1-800-444-3353. Page 10

UNPACKING

When unpacking, check to make sure all the parts shown on the Parts List on page 17

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.

ASSEMBLY INSTRUCTIONS

CAUTION! Always make sure the ON/OFF Switch (86) of the Air

Compressor is in its “OFF” position and the unit is unplugged from its electrical

outlet prior to assembling the Compressor or making adjustments to the unit.

To Attach The Handle And Wheels:

1. To attach the Handle (50A) to the Tank (50) of the Air Compressor, align the two

mounting holes in the Handle with the two mounting holes in the Tank. Secure

the Handle to the Tank, using the two Lock Knobs (50B). (See Figure E.)

2. To Attach the two Wheels (53) to the Tank (50) of the Air Compressor, insert a

Wheel (53) on each end of an Axle (53A). Secure the Wheels to the Axles, using

two Retaining Rings (54), then two Bolts (93). (See Figure E.)

WHEEL (53) WHEEL (53)

RETAINING RING (54) RETAINING RING (54)

AXLE (53A) AXLE (53A)

HANDLE (50A)

LOCK KNOB (50B)

FIGURE E

REV 05/06

BOLT (93) BOLT (93)

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