Husky C803H User Manual
USE AND CARE GUIDE
80-GALLON TWO-STAGE STATIONARY
AIR COMPRESSOR
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Item #911-223
Model #C803H
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Table of Contents
Safety Information ....................................2
Work Area Safety ...................................2
Personal Safety .....................................3
Moving the Compressor .........................3
Air Compressor and
Pneumatic Tool Safety ...........................4
Electrical Safety .....................................5
Warranty ...................................................7
Pre-Operation ...........................................8
Specifications ........................................8
Duty Cycle ..............................................8
Package Contents ..................................8
Safety Information
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.
System Components ..............................9
Placement of the Air Compressor ........10
Air Distribution System ........................11
Tool Usage............................................13
Breaking in the Pump ..........................14
Installation ..............................................15
Operation.................................................16
Maintenance ...........................................19
Care and Cleaning ..................................24
Troubleshooting ......................................25
Service Parts ..........................................27
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 personal injury which, if
not avoided, may result in property damage.
WORK AREA SAFETY
□ Keep your work area clean and well lit. Ensure
floors are not slippery from wax or dust.
□ Operate the air compressor in an open area at least
18 in. (0.5m) away from any wall or object that
could restrict the flow of fresh air to ventilation
openings.
WARNING: 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 tools. Distractions can
cause you to lose control.
2
WARNING: This compressor is not equipped for, and
should not be used to supply breathing air. Additional
equipment would be 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 CF9
1910.134. Compressed Gas Association, 4221 Walney
Road, Fifth Floor, Chantilly, VA 20151-2923, (703) 788-2700,
www.cganet.com. Any such additional equipment has
not been examined and no implication of proper use for
breathing air is intended or implied.
CAUTION: Always disconnect the air supply and power
supply before making adjustments, servicing a tool, or
when a tool is not in use.
Safety Information (continued)
PERSONAL SAFETY
□ Keep proper footing and balance at all times.
Proper footing and balance enables better control
of the tool in unexpected situations.
□ Do not use on a ladder or unstable support.
WARNING: Operating any power tool can result in foreign
objects being thrown into your eyes, which can result in
severe eye damage. Before beginning operation, always
wear safety goggles, safety glasses with side shields, or
a full face shield when needed. Always use eye protection
marked to comply with ANSI Z87.1.
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: Use safety equipment. Always wear eye
protection with side shields when operating power tools.
A dusk mask, non-skid safety shoes, hard hat, or hearing
protection must be used for appropriate conditions.
MOVING THE AIR COMPRESSOR
□ 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.
Always use two people when lifting and lift from
the recommended lifting points. Do not lift by the
shroud.
WARNING: Stay alert when operating a power tool. Do
not use the tool while tired or under the influence of drugs,
alcohol, or medication.
WARNING: 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.
WARNING: Never touch any exposed metal parts on
compressor during or immediately after operation. The
compressor will remain hot for several minutes after
operation. Do not reach around protective shrouds or
attempt maintenance until the unit has been allowed to
cool.
CAUTION: The compressor is too heavy to be lifted by
one person. Obtain assistance from others before lifting.
WARNING: Risk of unsafe operation. Ensure proper
footing and use caution when rolling the compressor so
that the unit does not tip or cause loss of balance.
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Safety Information (continued)
AIR COMPRESSOR AND
PNEUMATIC TOOL SAFETY
□ Keep compressors as far from the spraying area as
possible: at least 15 ft. (4.6m) from the spraying
area and all explosive vapors.
□ If connected to a circuit protected by fuses, use time-
delay fuses with this product.
□ Ensure 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. Never weld or drill holes in the air tank.
□ Never leave a tool unattended with the air hose
attached.
□ Do not operate this tool if it does not contain a
legible warning label.
□ Do not continue to use a tool or hose that leaks air or
does not function properly.
□ 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 direct a jet of compressed air toward people
or animals.
□ Protect your lungs. Wear a face or dust mask if the
operation is dusty.
□ 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.
□ This compressor is equipped with a thermal
overload protector which will shut off the motor if it
becomes overheated.
WARNING: Do not attempt to modify this tool or create
accessories not recommended for use with this tool.
Any such alteration or modification is misuse and could
result in a hazardous condition leading to possible serious
personal injury.
CAUTION: Do not use the compressor in an environment
that is dusty or otherwise contaminated. Using the air
compressor in this type of environment may cause damage
to the unit.
CAUTION: Risk of bursting. Do not adjust the regulator
to result in output pressure greater than the marked
maximum pressure of the attachment. Do not use at
pressure greater than the rated maximum pressure of this
compressor.
CAUTION: To reduce the risk of electric shock, do not
expose the compressor to rain. Store indoors.
4
Safety Information (continued)
ELECTRICAL SAFETY (EXTENSION CORDS)
□ Use only 3-wire extension cords that have 3-prong
grounding plugs and 3-pole receptacles that accept
the product’s plug. Make sure your extension
cord is not damaged. When using a power tool at
a considerable distance from the power source,
use an extension cord heavy enough to carry the
current that the product 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 provided 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.
□ Only use 50 feet or less, round jacketed cords listed
by Underwriter’s Laboratories (UL).
□ 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.
Ampere rating
(on air compressor data plate)
14-16
Cord
Length
25 ft. 16
50 ft. 12
Used on 12 gauge - 20 amp circuit.
NOTE: AWG=American Wire Gauge
Wire Size (AWG)
WARNING: When using an extension cord, keep it 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 personal injury.
WARNING: Check extension cords before each use.
If damaged, replace immediately. Never use the air
compressor with a damaged cord since touching the
damaged area could cause electrical shock resulting in
serious personal injury.
WARNING: Improperly connecting the equipment-
grounding conductor can result in a risk of electrical
shock.
CAUTION: 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.
CAUTION: Do not expose power tools to rain or wet
conditions. Water entering a power tool will increase the
risk of electric shock.
CAUTION: Replace damaged cords/wiring immediately.
Damaged cords/wiring increase the risk of electric shock.
NOTICE: Use longer air hoses instead of long extension cords. Your
air compressor will run better and last longer.
ELECTRICAL SAFETY (ELECTRICAL
CONNECTION)
□ This air compressor is powered by a precision built
electric motor. It should be connected to a power
supply that is 230 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.
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Safety Information (continued)
ELECTRICAL SAFETY (SPEED AND WIRING)
□ The no-load speed of this product is approximately
775 rpm. This 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 products.
ELECTRICAL SAFETY (GROUNDING
INSTRUCTIONS)
□ This product must be connected to a grounded,
metallic, permanent wiring system, or an equipmentgrounding terminal or lead on the product.
6
Pre-Operation
SPECIFICATIONS
Running horsepower 5.0 HP
Air tank capacity 80 gal.
Air pressure 175 PSI max.
Air delivery
Tank fill time 9 minutes
Lubrication Oil lube
Input
Minimum branch circuit requirement 30 A
Fuse type Time delay
Net weight 430 lbs.
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% average duty cycle be maintained; that is, the air compressor pump should not run
more than 30 minutes in any given hour.
PACKAGE CONTENTS
14.1 SCFM at 40 PSI
13.5 SCFM at 90 PSI
230V, 60 Hz, Single phase
AC only, 22 Amps.
A
Part Description Quantity
Air Compressor Unit (fully
A
assembled)
8
1
Pre-Operation (continued)
SYSTEM COMPONENTS
K
I
L
A
E
M
N
P
H
J
C
F
Part Description
AUTO(I)/OFF(0) Switch: Turn this switch in the “Auto (I)” position to provide automatic power to the
A
pressure switch and “Off (O)” to remove power at the end of each use.
Pressure Switch: The pressure switch automatically starts the motor when the air tank pressure drops
B
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
C
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).
D Tank Pressure Gauge: The tank pressure gauge indicates the reserve air pressure in the tank.
Air Compressor Pump: Compresses air into the air tank. Working air is not available until the compressor
E
has raised the air tank pressure above that required at the air outlet.
Drain Valve: The drain valve is located at the base of the air tank and is used to drain condensation at
F
the end of each use.
Check Valve: When the air compressor is operating, the check valve is “open”, allowing compressed air
G
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.
Pressure Release Valve: The pressure release valve located on the side of the pressure switch, is
designed to automatically release compressed air from the compressor head and the outlet tube when
the air compressor reaches “cut-out” pressure or is shut off. The pressure release valve allows the
H
motor to restart freely. When the motor stops running, air will be heard escaping from this valve for a few
seconds. No air should be heard leaking when the motor is running or after the unit reaches “cut-out”
pressure.
G
D
B
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Pre-Operation (continued)
Part Description
Thermal Overload Reset: This motor has a manual 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. Place the AUTO/OFF switch in the “Off” position.
I
2. Allow the motor to cool.
3. Depress the red reset button on the motor.
4. Place the Auto/Off switch in the “Auto” postion to restart the motor.
Compressor Feet: The compressor feet are used to stabilize the compressor and used as brackets when
J
mounting to the floor.
K Belt Guard: The belt guard is a protective enclosure for moving parts.
L Pump Oil Fill: The pump oil fill is used to add oil to the crankcase.
Pump Oil Drain: The pump oil drain is used to purge old oil from the pump. Loosening the drain plug will
M
allow oil to exit the pump crankcase.
N Pump Oil Sight Glass: The pump oil sight is a visual identifier for oil level in the crank case.
Motor: The motor is the drive component powered by electricity to rotate the pump by a belt pulley
O
system.
P Air Outlet: The air outlet is connection point to provide useable air for the tools.
PLACEMENT OF THE AIR COMPRESSOR
WARNING: If any parts are damaged or missing do
not operate this product until the parts are replaced.
Failure to heed this warning could result in serious
personal injury.
CAUTION: Do not use in an environment that is dusty
or otherwise contaminated. Using the air compressor
in this type of environment may cause damage to
the unit.
NOTICE: Long lengths of electrical wiring could cause power loss
to the motor.
□ Place the air compressor in a clean, dry, and well
ventilated area.
□ The air compressor must be positioned at least 18
in. (0.5m) away from the wall or other obstructions
that will interfere with the flow of air.
□ Locate the air compressor as close to the main
power supply as possible to avoid using long
lengths of electrical wiring.
□ The air filter must be kept clear of obstructions
which could reduce the air flow to the air
compressor.
10
18 in.
Pre-Operation (continued)
AIR DISTRIBUTION SYSTEM
The diagram on the following page represents a
typical air distribution system. The following are tips
to remember when setting up the air compressor’s air
distribution system.
□ Use a pipe that is the same size as the air tank
outlet. Piping that is too small will restrict the flow
of air.
□ If the piping is over 100 ft. (30.5 m) long, use the
next larger size.
□ Bury underground lines below the frost line and
avoid pockets where condensation can gather and
freeze. Apply pressure before the underground lines
are covered to make sure all the pipe joints are free
of leaks.
□ A flexible coupling is recommended to be installed
between the globe valve/air discharge outlet and
the main air distribution line to allow for vibration.
□ A separate regulator is recommended to control the
air pressure. Air pressure from the tank is usually
too high for individual air driven tools.
□ Do not install the lubricators between the tank
and any spray equipment, air tool, or accessory
requiring oil-free, filtered air.
□ Drain all traps, filters, and dirt legs daily.
WARNING: Risk of bursting. Plastic or PVC pipe is not
designed for use with compressed air. Regardless of its
indicated pressure rating, plastic pipe can burst from air
pressure. Use only metal pipe for air distribution lines.
WARNING: Risk of bursting. Always use metal piping
and fittings.
NOTICE: Compressed air from the oil lube air compressors will
contain water condensation and oil mist. Several drains, traps, and
filters will be needed to supply air without water (including aerosols) or
oil to the spray equipment, air tools, and accessories requiring filtered
air. Always read the instructions for the air tools and accessories being
used.
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Pre-Operation (continued)
TYPICAL COMPRESSED AIR DISTRIBUTION SYSTEM
Part Description
A Drain Legs
B Drain Valves
C Lubricator
D Air Tool
E Regulator
F Filter / Moisture Trap
G Air Usage Lines
H Dirt Legs
I Air Discharge Valve
J Feeder Lines Slope with Air Flow
Main Distribution Air Lines - Slope pipe
in direction of air flow. Water condensate
K
flows along bottom of pipe to drain legs,
preventing it from entering feeder lines.
12
Part Description
L 5 Micron Filter
M .01 Micron Filter
N Spray Gun
O Ball Fitter
P Flexible Coupling
For Best Performance - The distance
Q
between the compressor and the moisture
trap should be as long as possible.
R Air Flow
Pre-Operation (continued)
TOOL USAGE
= Continuous = Intermittent = Not Recommended
Tool
Recommended
Tool Use
Tool
Recommended
Tool Usage
Inflation Finishing nailing
Inflator
Air hammer
Brad
nailer
Cutting/Drilling Surface Prep Painting
Cut off
tool
Stapler
Drill/
Impact
driver
Framing/
Roofing
Finished/Roof-
ing nailer
Sander Grinder Paint gun Paint gun Grease Gun
Impact
Wrench
Bolting
Heavy duty 1/2 in. and 3/4
in. impact wrench
HVLP
Painting
Air ratchet
Grease
Gun
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Pre-Operation (continued)
BREAKING IN THE PUMP
NOTICE: Risk of property damage. Serious damage may result if the
following break-in instructions are not closely followed.
NOTICE: Minor leaks can cause the air compressor to overwork,
resulting in premature breakdown or inadequate performance.
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.
□ Make sure the AUTO/OFF switch (1) is in the “Off”
position.
□ Check oil level in the pump. See the Maintenance
section for instructions.
□ Check all the wiring. Make sure the wires are
secure at all terminals and connections. Make sure
all contacts move freely and are not obstructed.
□ Open the drain valve (2) fully to permit air to escape
and prevent air pressure build-up in the air tank
during the break-in period.
□ Move the AUTO/OFF switch (1) to the “AUTO”
position. The compressor will start.
□ Run the air compressor for 20 minutes. Make sure
the drain valve and all air lines are open so there is
only a minimal air pressure build-up in the tank.
□ Check all the air line fittings and connections/
piping for air leaks by applying a soap solution.
Correct if necessary.
□ Check for excessive vibration. Readjust or shim the
air compressor feet, if necessary.
□ After 20 minutes, close the drain valve (2). The air
receiver will fill to “cut-out” pressure and the motor
will stop.
The air compressor is now ready for use.
1
2
14
Installation
Anchoring of the air compresor
1
WARNING: Risk of bursting. Excessive vibration
can weaken the air tank and cause an explosion. The
compressor must be properly mounted.
The air compressor must be bolted to a level, solid
concrete surface. Use the lag screws (CC), washers
(AA), and concrete anchors (BB). If help is needed
anchoring the air compressor, consult a licensed
contractor.
□ Place the air compressor on a level, solid
concrete surface. Make sure the concrete is in
good condition with no cracks or damage.
□ Mark the surface using the holes in the air
compressor feet (J) as a template.
□ Drill holes in the surface for the concrete
anchors. Install the concrete anchors (BB).
□ Line-up the holes in the surface with the holes in
the air compressor feet (J).
□ Place the washers (AA) between the floor and
the air compressor feet, as shown. If needed, use
shims (DD) to level the unit.
□ Place the lag screws (CC) through the air
compressor feet (J), washers (AA), and into the
anchors (BB).
□ Torque the lag screws (CC) to 7-10 ft.-lbs (9.5-13.5
Nm).
AA
CC
J
Surface Line
DD
BB
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Operation
Preparing for start-up
1
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.
CAUTION: Risk of unsafe operation. 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 tools and accessories may
require filtered air. Read the in struc tions for the air tools
and accessories.
NOTE: A regulator MUST be installed when using
accessories rated at less than 150 psi. The hose or
accessory will require a quick connect plug if the air outlet
is equipped with a quick connect socket.
□ Place the AUTO/OFF switch (1) to the off
position.
□ Close the drain valve (2).
□ Visually inspect air lines and fittings for leaks.
1
2
Starting the compressor
2
WARNING: Risk of bursting. If any unusual noise or
vibration is noticed, stop the air compressor immediately
and have it checked by a trained service technician.
NOTE: When using the regulator and other accessories,
refer to the manufacturer’s instructions.
□ Plug the power cord into a proper receptacle.
□ Turn the AUTO ( I ) / OFF ( O ) switch (1) to
the on position, and allow the tank pressure
to build. The motor will stop when the tank
pressure reaches “cut-out” pressure.
16
1
Operation (continued)
Checking the safety valve
3
DANGER: Do not tamper with the safety valve. Items
loosened from this device could fly up and hit you. Failure
to heed this warning could result in death or serious
personal injury. The safety valve automatically releases air
when the receiver pressure exceeds the preset maximum.
Check the valve before each day of use by pulling the ring
by hand.
WARNING: If air leaks after releasing the safety valve
ring or if the valve is stuck, do not use the air compressor
until the safety valve has been replaced. Using the air
compressor in this condition could result in serious
personal injury.
□ Set the AUTO ( I ) / OFF ( O ) switch (1) to the
on position, and wait for the tank to fill. The
compressor automatically shuts off when the
pressure reaches the preset maximum.
□ Set the AUTO ( I ) / OFF ( O ) switch (1) to the
off position.
□ Pull the ring on the safety valve (2) for 20
seconds to release the air.
□ Release the ring. Air stops escaping at
about 20 psi. If air continues to escape after
releasing the safety valve ring, discontinue
use and seek service before using the air
compressor again.
1
2
Running the air compressor
4
WARNING: Always ensure the switch is in the OFF
position and using a regulator (not supplied) ensure
pressure gauge reads zero before changing air tools or
disconnecting the hose from the air outlet. Failure to do so
could result in possible serious personal injury.
WARNING: Your tool may require more air consumption
than this air compressor is capable of providing. Check tool
manual to avoid damage to the tool or risk personal injury.
NOTE: Always use the minimum amount of air flow
using a pressure regulator (not supplied). Using a higher
pressure than needed will drain air from the tank more
rapidly and cause the unit to cycle on more frequently.
□ Never leave the unit plugged in and/or running
unattended.
□ When finished, always drain the tank and unplug
the unit if applicable.
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Operation (continued)
Draining the tank
5
WARNING: Risk of unsafe operation. 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.
WARNING: Risk of bursting. 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.
NOTE: All compressed air systems generate condensate
that accumulates in any drain point (e.g., tanks, filter,
after-coolers, 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.
NOTE: If drain valve is plugged, release all air pressure.
The valve can then be removed, cleaned, then reinstalled.
NOTE: Risk of property damage. Drained water from the
air tank may contain oil and rust which can cause stains.
□ Set the AUTO ( I ) / OFF ( O ) switch (1) to the OFF
( O ) position.
□ Slowly bleed the air from the compressor
tank by pulling the safety valve to allow the
pressure to escape from the tank until the
pressure is approximately 20 psi.
□ Drain the water from the tank by opening the
drain valve (2) on the bottom of the tank.
□ After the water has been drained, close the
drain valve (2). The air compressor can now
be stored.
1
2
18
Maintenance
GENERAL MAINTENANCE
□ Condensate forms in the tank when
there is humidity in the air. Depending on
the environmental conditions, drain the
condensate daily and/or every hour. For
instructions, see Draining the tank.
□ The safety valve automatically releases air
when the receiver pressure exceeds the preset
maximum.
□ Inspect the tank annually for rust, pin holes,
or other imperfections that could cause it to
become unsafe.
□ Avoid using solvents when cleaning plastic
parts. Most plastics are susceptible to damage
from various types of commercial solvents and
may be damaged by their use.
□ Use clean cloths to remove dirt, dust, oil,
grease, etc.
WARNING: When servicing, use only identical Husky
replacement parts. Use of any other parts may create a
hazard or cause product damage.
WARNING: Always release all pressure, disconnect from
power supply, and allow unit to cool to the touch before
cleaning or making repairs on the air compressor.
WARNING: Do not at any time let brake fluids, gasoline,
petroleum-based products, penetrating oils, etc., come
in contact with plastic parts. Chemicals can damage,
weaken or destroy plastic which may result in serious
personal injury. Electric tools used on fiberglass material,
wallboard, spackling compounds, or plaster are subject to
accelerated wear and possible premature failure because
the fiberglass chips and grindings are highly abrasive to
bearings, brushes, commutators, etc. Consequently, we
do not recommended using this tool for extended work on
these types of materials. However, if you do work with any
of these materials, it is extremely important to clean the
tool using compressed air.
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Maintenance (continued)
CHECKING THE OIL
WARNING: Drain the tank to release the air pressure
before removing the oil fill cap or oil drain plug.
CAUTION: Overfilling with oil will cause premature air
compressor failure. Do not overfill.
NOTICE: Risk of property damage. Use air compressor oil only.
Multi-weight automotive engine oils like 10W30 should not be
use in the air compressors. They leave carbon deposits on critical
components, thus reducing performance and compressor life.
□ The oil level should be to the middle of the sight
glass (3).
□ If needed, remove the oil fill plug (1) and slowly
add the oil until it reaches the middle of the sight
glass.
NOTE: Use 30W compressor oil or a heavy duty SAE
30W, non-detergent, SF grade or better oil. Do not use
multi-weight automotive engine oils, as they will reduce
compressor life. Under extreme winter condition use
SAE-10 weight oil.
CHANGING THE OIL
□ Remove the oil fill plug (1).
□ Remove the oil drain plug (2) and drain the oil
into a suitable container.
□ Replace the oil drain plug (2) and tighten
securely.
□ Slowly add the compressor oil until it reaches
the middle of the sight glass (3).
1
2
3
NOTE: Crankcase oil capacity is approximately 10.6 fluid
ounces (313,5 ml).
NOTE: When filling the crankcase, the oil flows very
slowly into the pump. If the oil is added too quickly, it will
overflow and appear to be full.
□ Replace the oil fill plug (1) and tighten securely.
20
Maintenance (continued)
CLEANING THE AIR FILTER
From time to time, the air filter needs to be removed
and cleaned.
□ Turn the air compressor OFF ( O ).
□ Unplug the air compressor.
□ Unsnap the air filter cover (1) to remove.
□ Remove the air filter (2) from the air filter
housing (3).
□ Blow compressed air through the air filter for
10-15 seconds.
REPLACING THE BELT
WARNING: Serious injury or damage may occur if parts
of the body or loose items get caught in moving parts.
Never operate the outfit with the belt guard removed.
The belt guard should be removed only when the air
compressor power is disconnected.
3
1
2
□ Turn the air compressor off, lock out the power
supply, and relieve all air pressure from the air
tank.
□ Remove the four fasteners from the belt guard.
The front belt guard can now be lifted up and
away from the unit.
□ Mark the pump position on the saddle.
□ Loosen the motor mounting screws and slide the
motor toward the air compressor.
□ Remove the belt and replace with a new one.
□ Mark the pump position on the saddle.
□ See Adjusting the Belt Tension before tightening
the motor mounting screws.
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Maintenance (continued)
ADJUSTING THE BELT TENSION
NOTICE: Once the engine pulley has been moved from its factory
set location, the grooves of the flywheel and pulley must be aligned
to within 1/16 in. (1.6mm) to prevent excessive belt wear. Verify
the alignment by performing the following MOTOR PULLY/FLYWEEL
ALIGNMENT on the following page.
□ Slide the motor into the original position, and
line the motor up with the mark made earlier on
the saddle.
□ Tighten the two outside motor mounting screws
enough to hold the motor in place for checking
the pulley and flywheel alignment.
□ The belt should deflect 3/16 in. (4.8mm) at
midway between the pulley and the flywheel
when a five-pound (2.26kg.) weight is applied at
the midway point.
□ When proper belt tension is achieved, tighten all
four motor mounting screws. Torque to 20-25
ft-lbs (27.1–33.9 Nm).
Downward Force
Deflection
22
Maintenance (continued)
MOTOR PULLEY/FLYWHEEL ALIGNMENT
The air compressor flywheel and motor pulley must be
in-line (in the same plane) within 1/16 in. (1.6 mm) to
assure belt retention within the flywheel belt grooves.
To check the alignment, perform the following steps:
□ Turn the air compressor off, lock out the power
supply, and relieve all air pressure from the air
tank.
□ Remove belt guard.
□ Place a straightedge (4) against the outside of
the flywheel (1) and the motor drive pulley (3).
□ Measure the distance between the edge of the
belt (2) and the straightedge at points A1 and A2.
The difference between measurements should
be no more than 1/16 in. (1.6 mm).
□ If the difference is greater than 1/16 in.
(1.6 mm), loosen the set screw holding the
motor drive pulley (3) to the shaft and adjust the
pulley’s position on the shaft until the A1 and A2
measurements are within 1/16 in. (1.6 mm) of
each other.
□ Tighten the motor drive pulley set screw.
□ Visually inspect the motor drive pulley to verify
that it is perpendicular to the drive motor shaft.
The points (B1 and B2) should appear to be
equal. If they are not, loosen the setscrew of the
motor drive pulley and equalize B1 and B2, using
care not to disturb the belt alignment performed
previously.
□ Retighten the motor drive pulley setscrew.
Torque to 145–165 in.-lbs. (16.4–20.3Nm).
□ Reinstall the belt guard.
1
A1 A2 B1 B2
A1= A2 (MEASURED)
B1= B2 (VISUAL)
2
4
3
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Maintenance (continued)
AIR COMPRESSOR INTAKE AND EXHAUST
VALVES
Once a year bring the compressor to a service center
and have a trained service technician check the air
compressor pump intake and exhaust valves.
INSPECT AIR LINES AND FITTINGS FOR
LEAKS
NOTICE: Even minor leaks can cause the air compressor to
overwork, resulting in premature breakdown or inadequate
performance.
□ Turn the air compressor off, lock out the power
supply, and relieve all air pressure from the air
tank.
□ Apply a soap solution to all air line fittings and
connections/piping.
□ Correct any leaks found.
TORQUING THE AIR COMPRESSOR HEAD
BOLTS
The air compressor pump head bolts should be kept
properly torqued. Check the torques of the head bolts
after the first five hours of operation.
□ Torque to 14–16ft.-lbs. (19.0–21.7 Nm).
Care and Cleaning
□ Drain the air tank of moisture after operation.
□ When not in use, store the compressor in a cool, dry place.
□ Disconnect the air hose and hang open ends down to allow any moisture to drain.
□ Protect the electrical cord and air hose from damage (such as being stepped on or run over). Wind them
loosely around the compressor handle.
24
Troubleshooting
Problem Possible Cause Solution
The compressor does not
run.
□ The tank has insufficient
pressure.
□ There is no eletrical power
to the unit.
□ The circuit breaker has
tripped or a fuse has blown
at the main power source.
□ The thermal overload
protector is actuated.
□ When the tank pressure drops, the
compressor will turn on to cut-in
pressure.
□ Verify the wiring connection inside the
pressure switch and the terminal box
area.
□ Check the fuse/breaker to determine the
underlying cause.
□ Turn the air compressor OFF ( O ).
□ Wait until the compressor cools down.
□ Depress the red reset button on the
motor.
□ Turn the air compressor to AUTO ( I ).
The motor hums while
running slowly, or it does not
run at all.
The compressor is making
squealing sounds.
The compressor is
experiencing restricted air
intake.
□ There is loss of power or
overheating.
□ The pressure switch is bad. □ Replace the pressure switch.
□ There is low voltage from
the power source.
□ There are loose eletrical
connections.
□ There is a shorted or open
motor wiring.
□ There is a defective check
valve or unloader.
□ The compressor pump has
no oil.
□ The belt is too loose. □ Check the belt tension.
□ The air filter is dirty. □ Clean or replace the air filter.
□ Verify the wiring.
NOTE: Long lengths of electrical wiring
could cause power loss to the motor.
□ Check the voltage with a voltmeter.
□ Verify the wiring connections inside the
pressure switch and the terminal box
area is secure.
□ Bring the compressor to a service center.
□ Bring the compressor to a service center.
□ Check the pump oil.
25 HUSKYTOOLS.com
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Troubleshooting (continued)
Problem Possible Cause Solution
The compressor is making
knocking sounds.
There is excessive belt wear. □ The belt is too loose. □ Check the belt tension.
There is oil and/or moisture
in the tank and/or air lines.
There is excessive moisture
in the discharge air.
The fuses blow or the circuit
breaker trips repeatedly.
□ There is a loose pulley. □ Tighten the pulley set screw.
□ There is a loose flywheel. □ Tighten the flywheel screw.
□ The compressor mounting
screws are loose.
□ The belt is too loose. □ Check the belt tension.
□ An excessive amount of
carbon has build-up in the
pump.
□ The belt is too tight. □ Check the belt tension.
□ The belt is too tight. □ Check the belt tension.
□ The pully is loose. □ Bring the compressor to a service center.
□ The pulley is misaligned. □ Align the pulley/flywheel.
□ The connections (fittings,
tubing, etc.) are loose and
leaking.
□ The drain valve is loose
or open.
□ The check valve is leaking. □ Bring the compressor to a service center.
□ There is excessive water in
the air tank.
□ The oil blow-by has
accumulated in the pump.
□ The incorrect fuse size is
being used, or the circuit is
overloading.
□ Tighten the mounting screws.
□ Bring the compressor to a service center.
□ Check all the connections with a soap
and water solution and tighten.
□ Tighten the drain valve.
□ It is normal for oil lube air compressor
pumps to release some oil into the tank
and air lines. Air compressors will also
generate water condensation that will
form in the tank and air lines. Install
water and oil filter traps when needed.
The Typical Compressed Air Distribution
System section provides a guideline.
Contact or call Husky Customer Service
for more information.
□ IMPORTANT: If the tank or air lines have
excessive water and/or oil, bring the
compressor to a service center.
□ Verify the proper fuse size is being used.
□ Use time-delay fuses.
□ There are loose eletrical
connections.
□ There is a defective check
valve or unloader.
26
□ Disconnect other electrical appliances
from the circuit or operate the
compressor on its own branch circuit.
□ Verify the wiring connection inside the
pressure switch and the terminal box
area.
□ Bring the compressor to a service center.
Service Parts
C803H, AIR COMPRESSOR
14
1
26
19
18
23
21
20
13
12
8
27
16
15
17
25
2
3
5
6
6A
4
24
22
10
7
9
11D
11A
11
11B
11C
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Service Parts (continued)
C803H, AIR COMPRESSOR
Item Number Description Part Number
1
2
3
4
5
6
6A
7
8
9
10
11
11A
11B
11C
11D
12
13
14
15
16
17
18
19
20
21
22
23
24
25 1/4 in. OD Tube Compression Nut Assembly E105999
26
27
28
29
Beltguard (Outer)
Screw #8 Self Tapping
Nut Speed 8AB U Type
Beltguard (Inner)
Belt
Pulley BK47
Set Screw
Cord Interconnect
Bolt 3/8-16 UNC x 1-3/4 in.
Nut 3/8-16 UNC
Bolt 3/8-16 UNC x 3/4 in.
Tank Assembly Painted
Bushing 2 in. NPSM x 3/4 in.-14 NPTF
Bushing 2 in. NPSM x 1/4 in.-18 NPTF
1/4 in.-18 NPT Drain Valve
O-Ring 2 in.
Pump Assembly 2STG
1/4-20 X 3/4 Self Tapping
3/4 in. OD Tube Compression Nut
Outlet Tube
Pressure Reflief Tube
Check Valve 3/4 in.-14 NPT x 3/4 in. OD Tube
Pressure Switch
Valve, ASME 175 PSI
Nipple 1/4 in.-18 NPTx 1-1/2 in.
Gauge 300 PSI 1/4 in. NPT Side Mount
Bolt 3/8-16 x 3/4 in. Self Tapping
Bracket Beltguard
Motor
Bracket Shield
Straight Strain Relief
Warning Label
Hot Surface Warning Label
E107537
E107631
E106733
E107538
E107050
E107048
NA
E106197
NA
NA
NA
E108210
E106539
E105994
NA
E105995
E107052
NA
E106199
E107539
E106201
E106202
E106203
E106204
NA
E106005
NA
E107053
E106206
E107534
E106208
E106011
E106012
NOTE: Any part number field without a number listed is
not available. Descriptions are provided for reference only.
28
Questions, problems, missing parts? Before returning to the store call
Husky Customer Service
8 a.m. - 6 p.m., EST, Monday-Friday
1-888-43-HUSKY
HUSKYTOOLS.COM
Retain this manual for future use.
Document Number: E108211
06/04/2014
GUIDE D’UTILISATION ET
D’ENTRETIEN
COMPRESSEUR D’AIR STATIONNAIRE BI-ÉTAGÉ DE 80
GALLONS
Questions, problèmes, pièces manquantes?
Avant de retourner ce produit au magasin,
appeler le Service clientèle de Husky entre
8h et 18h, Heure de l’Est, du lundi au vendredi.
Article N° 901-032
Modèle N° C803H
1-888-43-HUSKY
HUSKYTOOLS.COM
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MERCI
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