Astro 29 User Manual
CENTRALPNEUMATIC
29 GALLOLN BELT' DLiEIVEN
AIR CLMPRESSLR
SET UP AND OPERATING INSTRUCTIONS
Visit our website at: http://www.harborfreight.com
Read this material before using this product.
Failure to do so can result in serious injury.
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For technical questions or replacement parts, please call 1-800-444-3353.
SAVE THIS MANUAL.
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IMPORTANT
DO NOT RETURN TO STOR
This unit was fully tested and inspected prior to shipment and will operate properly when instructions are followed. Refer to your owner's manual for basic
troubleshooting.
To avoid unnecessary return to the store, simply call Compressor Support toll free for additional assistance.
Compressor Support:
Please have your model number and serial number available. These can be found on the data label on your product. Retain a copy of your receipt with purchase
date for reference.
Air Compressor will automatically shut off when maximum PSI is reached. When the tank pressure drops to the cut in pressure (low pressure) and the on/off switch
is in the ON position, the unit will automatically restart.
On occasion, maximum pressure in tank will remain until next use thus resulting in a sense of no power (See bullet above).
To avoid power loss, overheating and ensure power, use additional air hose rather than extension cords.
It is the consumer's responsibility to drain oil lubed units prior to shipment to meet ICC, state and local fire regulations.
1-800-444-3353
TABLE OF CONTENTS
Introduction.......................................................................................................................................................................................................2
General Safety Rules....................................................................................................................................................................................3-4
Specific Safety Rules........................................................................................................................................................................................5
Symbols.........................................................................................................................................................................................................6-7
Electrical...........................................................................................................................................................................................................8
Glossary of Terms............................................................................................................................................................................................9
Tools Needed...................................................................................................................................................................................................9
Features...................................................................................................................................................................................................10-11
Assembly...................................................................................................................................................................................................11-13
Operation...................................................................................................................................................................................................14-15
Maintenance..............................................................................................................................................................................................16-18
T roubleshooting........................................................................................................................................................................................19-20
Warranty.........................................................................................................................................................................................................22
INTRODUCTION
This tool has many features for making its use more pleasant and enjoyable. Safety, performance, and dependability
have been given top priority in the design of this product making it easy to mantain and operate.
dk DANGER
This compressor/pump is not equipped and shouid not be used to suppiy breathing quaiity air. Additionai equip
ment wouid be necessary to properiy fiiter and purify the air to meet minimai specifications for Grade D breathing
as described in Compressed Gas Association Commodity Specification G 7.1 - 1966, OSHA 29 CFR 1910.134.
Compressed Gas Association, 4221 Wainey Road, Fifth Fioor, Chantiiiy, VA 20151-2923, (703) 788-2700,
www.cganet.com. Any such additionai equipment has not been examined and no impiication of proper use for breath
ing air is intended or impiied.
If this comfjr^^^or i^ ^lt^r^d in ^nyr w^yr, ^xi^ting w^rr^nties sh^ll t>e \/oided. Harbor Freir^hit Tools discl^ii^^ any
lialbilitie^ yyrh^t^oever fc^r anyr los>s, personal injury, or damage.
2
GENERAL SAFETY RULES
Jk WARNING:
Read and understand all instructions. Failure to fol
low all instructions listed below may result in electric
shock, fire, and/or serious personal injury.
SAVE THESE INSTRUCTIONS WORK AREA
■ Keep your work area clean and well lit. Cluttered
benches and dark areas invite accidents. Floor must
not be slippery from wax or dust.
■ Do not operate power tools in explosive atmo
spheres, such as in the presence of flammable liq
uids, gases, or dust. Power tools create sparks which
may ignite the dust or fumes.
■ Keep bystanders, children, and visitors away while
operating tools. Distractions can cause you to lose
control.
■ Operate air compressor in an open area at least
18 in. away from any wall or object that could re
strict the flow of fresh air to ventilation openings.
ELECTRICAL SAFETY
■ 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.
■ Don’t expose power tools to rain or wet conditions.
Water entering a power tool will increase the risk of
electric shock.
■ Do not abuse the cord. Never use the cord to carry
the tool or pull the plug from an outlet. Keep cord
away from heat, oil, sharp edges, or moving parts.
Replace damaged cords immediately. Damaged
cords increase the risk of electric shock.
■ When operating a power tool outside, use an outdoor
extension cord marked “W-A” or “W”. These cords
are rated for outdoor use and reduce the risk of electric
shock.
PERSONAL SAFETY
■ Eye protection which conforms to ANSI specifica
tions and provides protection against flying particles
both from the FRONT and SIDE should ALWAYS be
worn by the operator and others in the work area
when loading, operating, or servicing this tool. Eye
protection is required to guard against flying fasteners
and debris, which could cause severe eye injury.
■ The employer and/or user must ensure that proper
eye protection is worn. We recommend a Wide Vision
Safety Mask for use over eyeglasses or standard safety
glasses that provide protection against flying particles
both from the front and side. Always use eye protection
which is marked to comply with ANSI Z87.1.
■ Additional safety protection will be required in some
environments. For example, the working area may
include exposure to a noise level which can lead to
hearing damage. The employer and user must ensure
that any necessary hearing protection is provided and
used by the operator and others in the work area.
Some environments will require the use of head protec
tion equipment. When required, the employer and user
must ensure that head protection marked to comply
with ANSI Z89.1 is used.
■ Stay alert, watch what you are doing, and use com
mon sense when operating a power tool. Do not
use 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.
■ Do not overreach. Keep proper footing and balance
at all times. Proper footing and balance enables better
control of the tool in unexpected situations.
■ Use safety equipment. Always wear eye protection.
Dust mask, nonskid safety shoes, hard hat, or hearing
protection must be used for appropriate conditions.
■ Do not use on a ladder or unstable support. Stable
footing on a solid surface enables better control of the
tool in unexpected situations.
TOOL USE AND CARE
■ Do not exceed the pressure rating of any compo
nent in the system.
■ Protect material lines and air lines from damage or
puncture. Keep hose and power cord away from sharp
objects, chemical spills, oil, solvents, and wet floors.
■ Check hoses for weak or worn condition before
each use, making certain all connections are se
cure. Do not use if defect is found. Purchase a new
hose or notify an authorized service center for exami
nation or repair.
■ Release all pressures within the system slowly. Dust
and debris may be harmful.
■ Store idle tools out of the reach of children and
other untrained persons. Tools are dangerous in the
hands of untrained users.
■ Maintain tools with care. Follow maintenance instruc
tions. Properly maintained tools are easier to control.
■ 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.
3
GENERAL SAFETY RULES
■ Never point any tool toward yourself or others.
■ Keep the exterior of the air compressor dry, clean,
and free from oil and grease. Always use a clean
cloth when cleaning. Never use brake fluids, gasoline,
petroleum-based products, or any strong solvents to
clean the unit. Following this rule will reduce the risk of
deterioration of the enclosure plastic.
SERVICE
■ Tool service must be performed only by qualified
repair personnel. Service or maintenance performed
by unqualified personnel may result in a risk of injury.
Disconnect power supply, open drain valve to
decompress tank and allow water to drain, and
allow air compressor to become cool to the touch
before servicing. Turn pressure regulator knob fully
counter clockwise after shutting off compressor.
When servicing a tool, use only identical
replacement parts. Follow instructions in the
Maintenance section of this manual. Use of
unauthorized parts or failure to follow Maintenance
instructions may create a risk of injury.
4
SPECIFIC SAFETY RULES
Know your power tool. Read operator’s manual
carefully. Learn its applications and limitations, as well
as the specific potential hazards related to this tool.
Following this rule will reduce the risk of electric shock,
fire, or serious injury.
Drain tank of moisture after each day’s use.
If unit will not be used for a while, it is best to leave
drain valve open until such time as it is to be used. This
will allow moisture to completely drain out and help
prevent corrosion on the inside of tank.
Risk of Fire or Explosion. Do not spray flammable liq
uid in a confined area. Spray area must be well ventilat
ed. Do not smoke while spraying or spray where spark
or flame is present. Keep compressors as far from the
spraying area as possible, at least 15 feet from the
spraying area and all explosive vapors.
Risk of Bursting. Do not adjust regulator to result in
output pressure greater than marked maximum presisure
of ¡attachment. Do not us^ at pressure (gri^atgr thtin th^
r^te d maximum pressure of this compressor.
If connected to a circuit protected by fuses,, use time
delay fuses with this product.
To reduce the risk of electric shock, do not expose to
rain. Store indoors.
Inspect tank yearly for rust, pin holes, or other im
perfections that could cause it to become unsafe.
Never weld or drill holes in the air tank.
Make sure the hose is free of obstructions or snags.
Entangled or snarled hoses can cause loss of balance
or footing and may become damaged.
Use the air compressor only for its intended use. Do
not alter or modify the unit from the original design
or function.
Always be aware that misuse and improper handling
of this tool can cause injury to yourself and others.
Never leave a tool unattended with the air hose at
tached.
Do not operate this tool if it does not contain a leg
ible warning label.
Do not continue to use a tool or hose that leaks air
or does not function properly.
Always disconnect the air supply and power supply
before making adjustments, servicing a tool, or when a
tool is not in use.
Do not attempt to pull or carry the air compressor
by the hose.
Your tool may require more air consumption than
this air compressor is capable of providing.
Never use the compressor without guards (belt
guard) and never touch moving parts.
Always follow all safety rules recommended by
the manufacturer of your air tool, in addition to all
safety rules for the air compressor. Following this
rule will reduce the risk of serious personal injury.
Never direct a jet of compressed air toward people
or animals. Take care not to blow dust and dirt
towards yourself or others. Following this rule will
reduce the risk of serious injury.
Protect your lungs. Wear a face or dust mask if the
operation is dusty. Following this rule will reduce the
risk of serious personal injury.
Do not use this air compressor to spray chemicals.
Your lungs can be damaged by inhaling toxic fumes. A
respirator may be necessary in dusty environments or
when spraying paint. Do not carry while painting.
Inspect tool cords and hoses periodically and, if
damaged, have repaired at your nearest Authorized
Service Center. Constantly stay aware of cord loca
tion. Following this rule will reduce the risk of electric
shock or fire.
Never use an electrical adaptor with this grounded
plug.
Check damaged parts. Before further use of the air
compressor or air tool, a guard or other part that
is damaged should be carefully checked to deter
mine that it will operate properly and perform its
intended function. Check for alignment of moving
parts, binding of moving parts, breakage of parts,
mounting, and any other conditions that may affect
its operation. A guard or other part that is damaged
should be properly repaired or replaced by an au
thorized service center. Following this rule will reduce
the risk of shock, fire, or serious injury.
Make sure your extension cord is in good condition.
When using an extension cord, be sure to use one
heavy enough to carry the current your product will
draw. A wire gauge size (A.W.G.) of at least 14 is
recommended for an extension cord 50 feet or less
in length. A cord exceeding 100 feet is not recom
mended. If in doubt, use the next heavier gauge.
The smaller the gauge number, the heavier the
cord. An undersized cord will cause a drop in line volt
age resulting in loss of power and overheating.
Save these instructions. Refer to them frequently and
use them to instruct others who may use this air com
pressor. If you loan someone this tool, loan them these
instructions also.
5
SYMBOLS
Some of the following symbols may be used on this tool. Please study them and learn their meaning. Proper interpre
tation of these symbols will allow you to operate the tool better and safer.
SYMBOL NAME DESIO NATION/EXPLANATION
V Volts Voltage
Amperes Current
Hz Hertz Frequency (cycles per second)
A
Ml
é
Alternating Current
Class II Construction Double-insulated construction
Wet Conditions Alert
Read The Operator’s Manual
Eye Protection
Safety Alert
Risk of Bursting
Risk of Fire or Explosion
Type of current
Do not expose to rain or use in damp locations.
To reduce the risk of injury, user must read and understand
operator’s manual before using this product.
Always wear safety goggles, safety glasses with side shields, or
a full face shield when operating this product.
Precautions that involve your safety.
Do not adjust regulator to result in output pressure greater than
marked maximum pressure of attachment. Do not use at pressure
greater than the rated maximum pressure of this compressor.
Do not spray flammable liquid in a confined area. Spray area
must be well ventilated. Do not smoke while spraying or spray
where spark or flame is present. Keep compressors as far from
the spraying area as possible, at least 15 feet from the spraying
area and ail explosive vapors.
o
Risk of Electrical Shock
Hot Surface
Risk to hearing
Risk to Breathing
Hazardous Voltage: Disconnect from power source before ser
vicing. Compressor must be grounded.
To reduce the risk of injury or damage, avoid contact with any
hot surface.
Always wear ear protection when using this tool. Failure to do
so may result in hearing loss.
Air obtained directly from the air compressor should never be
used to supply air for human consumption.
6
SYMBOLS
The foiiowing signai words and meanings are intended to expiain the ieveis of risk associated with this product.
SYMBOL SIGNAL
A
A
A
SERVICE
Servicing requires extreme care and knowiedge and
shouid be performed oniy by a quaiified service tech
nician. For service we suggest you return the product to
the nearest AUTHORIZED SERVICE CENTER for repair.
When servicing, use oniy identicai repiacement parts.
DANGER:
WARNING:
CAUTION:
CAUTION:
MEANING
Indicates an imminentiy hazardous situation, which, if not avoided, wiii
resuit in death or serious injury.
Indicates a potentiaiiy hazardous situation, which, if not avoided, couid
resuit in death or serious injury.
Indicates a potentiaiiy hazardous situation, which, if not avoided, may
resuit in minor or moderate injury.
(Without Safety Aiert Symboi) Indicates a situation that may resuit in
property damage.
¿k WARNING:
To avoid serious personai injury, do not attempt to use
this product untii you read thoroughiy and understand
compieteiy the operator’s manuai. Save this operator’s
manuai and review frequentiy for continuing safe oper
ation and instructing others who may use this product.
WARNING:
The operation of any power tooi can resuit in foreign objects being thrown into your eyes, which can re
suit in severe eye damage. Before beginning power tooi operation, aiways wear safety goggies, safety
giasses with side shieids, or a fuii face shieid when needed. We recommend Wide Vision Safety Mask
for use over eyegiasses or standard safety giasses with side shieids. Aiways use eye protection which
is marked to compiy with ANSI Z87.1.
SAVE THESE INSTRUCTIONS
7
ELECTRICAL
EXTENSION CORDS
Use only 3-wire extension cords that have 3-prong
grounding plugs and 3-pole receptacles that accept the
air compressor’s plug. When using the air compressor at
a considerable distance from the power source, use an
extension cord heavy enough to carry the current that the
compressor will draw. An undersized extension cord will
cause a drop in line voltage, resulting in a loss of power
and causing the motor to overheat. Use the chart pro
vided below to determine the minimum wire size required
in an extension cord. Only round jacketed cords listed by
Underwriter’s Laboratories (UL) should be used.
"Ampere rating (on air compressor data plate)
0-2.0 2.1-3.4 3.5-5.0 5.1-7.0 7.1-12.0 12.1-16.0
Cord Length Wire Size (A.W.G.)
25' 16 16 16 16
50' 16 16 16
100' 16
"Used on 12 gauge - 20 amp circuit.
NOTE; AWG = American Wire Gauge
When working with the air compressor outdoors, use an
extension cord that is designed for outside use. This is
indicated by the letters “WA” on the cord’s jacket.
Before using an extension cord, inspect it for loose or
exposed wires and cut or worn insulation.
16 14
14 14 12
12 10 -
14 14
¿k WARNING:
Keep the extension cord clear of the working area.
Position the cord so that it will not get caught on lumber,
tools, or other obstructions while you are working with
a power tool. Failure to do so can result in serious per
sonal injury.
Mk WARNING:
Check extension cords before each use. If damaged,
replace immediately. Never use air compressor with a
damaged cord since touching the damaged area could
cause electrical shock resulting in serious injury.
SPEED AND WIRING
The no-load speed of the electric motor varies by model and
specification. The motor speed is not constant and decreases
under a load or with lower voltage. For voltage, the wiring
in a shop is as important as the motor’s horsepower rating.
A line intended only for lights cannot properly carry a power
tool motor. Wire that is heavy enough for a short distance will
be too light for a greater distance. A line that can support one
power tool may not be able to support two or three tools.
GROUNDING INSTRUCTIONS
This product must be grounded. In the event of an electrical
short circuit, grounding reduces the risk of electric shock
by providing an escape wire for the electric current. This
air compressor is equipped with an electric cord having an
equipment-grounding conductor and a grounding plug. The
plug must be plugged into a matching outlet that is properly
installed and grounded in accordance with all local codes and
ordinances.
Do not modify the plug provided. If it will not fit the outlet,
have the proper outlet installed by a qualified electrician.
WARNING:
Improper connection of the equipment-grounding
conductor can result in a risk of electric shock.
The conductor with insulation having an outer surface that
is green with or without yellow stripes is the equipment
grounding conductor. If repair or replacement of the electric
cord or plug is necessary, do not connect the equipment
grounding conductor to a live terminal.
Check with a qualified electrician or service personnel if the
grounding instructions are not completely understood, or if in
doubt as to whether the tool is properly grounded.
Repiiir or replace ^ d^mi^g^d or v\/orn cord ^nnm^diately.
This product is for use on a nominal 120-V circuit and has
a grounding plug similar to the plug illustrated in Figure 1.
Only connect the product to an outlet having the same con
figuration as the plug. Do not use an adapter with this product.
Never use an electrical adaptor with this grounded plug.
NOTE: Use longer air hoses instead of long extension
cords. Your air compressor will run better and last longer.
ELECTRICAL CONNECTION
This air compressor is powered by a precision built
electric motor. It should be connected to a power sup
ply that is 120 volts, 60 Hz, AC only (normal household
current). Do not operate this tool on direct current (DC).
A substantial voltage drop will cause a loss of power and
the motor will overheat. If the air compressor does not
operate when plugged into an outlet, double check the
power supply.
PIN
8
12DV GROUNDED OUTLET
Fig. 1
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