Husky C601H User manual

Item # 911625
Model # C601H
USE AND CARE GUIDE
60 GALLON STATIONARY
AIR COMPRESSOR
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
THANK YOU
We appreciate the trust and condence you have placed in Husky through the purchase of this 60 gallon
stationary air compressor. We strive to continually create quality products designed to enhance your home.
Visit us online to see our full line of products available for your home improvement needs. Thank you for
choosing Husky!

2
Table of Contents
Safety Information ............................. 2
Work Area Safety............................2
Personal Safety ..............................3
Transporting ...................................3
Air Compressor And
Pneumatic Tool Safety ....................3
Electrical Safety..............................4
Electrical Safety
(Electrical Connection) ...................4
Electrical Safety
(Speed And Wiring).........................4
Electrical Safety
(Grounding Instructions) ................5
Air Distribution System ...................... 5
Warranty............................................. 7
Specications ..................................... 7
Duty Cycle........................................... 7
Tools Required ................................... 8
Hardware needed (for anchoring)...... 8
Package Contents............................... 8
Hardware included .........................8
Assembly .......................................... 10
Operation ......................................... 12
Maintenance..................................... 14
Storage............................................. 18
Troubleshooting................................ 18
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.
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
1. Keep your work area clean and well lit.
Ensure oors are not slippery from wax
or dust.
2. Do not operate power
tools in explosive
atmospheres, such as
in the presence of ammable 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.
3. Operate air compressor in an open area
at least 18 in. (0.5m) away from any
wall or object that could restrict the
ow of fresh air to ventilation openings.
4. Always disconnect the air
supply and power supply before
making adjustments, servicing a
tool, or when a tool is not in use.
5. This compressor/pump is not
equipped and should not be
used to supply breathing
quality air. Additional equipment would
be necessary to properly lter and
purify the air to meet minimal
specications for Grade D breathing as
described in Compressed Gas
Association Commodity Specication G
7.1 - 1966, OSHA 29 CF9 1910.134.
Compressed Gas Association, 4221

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cganet.com. Any such additional
equipment has not been examined and
no implication of proper use for
breathing air is intended or implied.
PERSONAL SAFETY
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.
1. Use safety equipment.
Always wear eye
protection with side
shields when operating power tools.
Dust mask, nonskid safety shoes, hard
hat, or hearing protection must be used
for appropriate conditions.
2. Stay alert when operating a
power tool. Do not use the
tool while tired or under the
inuence of drugs, alcohol, or
medication.
3. 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.
4. Keep proper footing and balance at
all times. Proper footing and balance
enables better control of the tool in
unexpected situations.
5. Do not use on a ladder or unstable
support.
6. Never touch any exposed metal
parts on compressor during or
immediately after operation.
Compressor will remain hot for several
minutes after operation. Do not reach
around protective shrouds or attempt
maintenance until unit has been
allowed to cool.
8. The compressor is too heavy to be
lifted by one person. Obtain
assistance from others before
lifting.
TRANSPORTING
1. Always place compressor on a
protective mat when
transporting to protect against
damage to vehicle from leaks. Remove
compressor from vehicle immediately
upon arrival at your destination.
2. Always transport and store unit in an
upright position.
AIR COMPRESSOR AND
PNEUMATIC TOOL SAFETY
WARNING: Do not attempt
to modify this tool or create
accessories not recommended
for use with this tool. Any such
alteration or modication is
misuse and could result in a
hazardous condition leading to
possible 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.
1. Keep compressors as far from the
spraying area as possible, at least 15 ft.
(0.4m) from the spraying area and all
explosive vapors.
Safety Information (continued)

4
2. Risk of Bursting. 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.
3. If connected to a circuit protected by
fuses, use time-delay fuses with this
product.
4. To reduce the risk of electric
shock, do not expose to rain.
Store indoors.
5. Ensure the hose is free of obstructions
or snags. Entangled or snarled hoses
can cause loss of balance or footing and
may become damaged.
6. 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.
7. Never leave a tool unattended with the
air hose attached.
8. Do not operate this tool if it does not
contain a legible warning label.
9. Do not continue to use a tool or hose
that leaks air or does not function
properly.
10. Do not attempt to pull or carry the air
compressor by the hose.
11. Your tool may require more air
consumption than this air compressor is
capable of providing.
12. Never direct a jet of compressed air
toward people or animals.
13. Protect your lungs. Wear a face or dust
mask if the operation is dusty.
14. 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.
ELECTRICAL SAFETY
1. 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.
2. Do not expose power tools to rain or
wet conditions. Water entering a power
tool will increase the risk of electric
shock.
3. Replace damaged cords/wiring
immediately. Damaged cords/wiring
increase the risk of electric shock.
ELECTRICAL SAFETY
(ELECTRICAL CONNECTION)
1. This air compressor is powered by a
precision built electric motor. It should
be connected to a power supply that
is 240volts, 60 Hz, AC only (normal
household current).
2. 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.
ELECTRICAL SAFETY
(SPEED AND WIRING)
1. The no-load speed of the electric motor
varies by model and specication.
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.
2. 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.
Safety Information (continued)

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WARNING: Risk of electrical
shock. Improper electrical
grounding can result in
electrical shock. The wiring
should be done by a qualied
electrician.
WARNING: Risk of electrical
shock. Electrical wiring must
be located away from hot
surfaces such as manifold
assembly, compressor outlet
tubes, heads, or cylinders.
CAUTION: Improper electrical
installation of this product may
void its warranty and your re
insurance. Have circuit wiring
performed by qualied personnel
such as a licensed electrician
who is familiar with the current
national electrical code and any
prevailing local electrical codes.
A qualied electrician needs to knows the
following before wiring:
Safety Information (continued)
1. The amperage rating of the electrical
box should be adequate. Refer to the
Specications for this information.
2. The supply line should have the same
electrical characteristics (voltage, cycle,
phase) as the motor. Refer to the motor
nameplate, on side of motor, for this
information.
NOTICE: The wiring used
must be rated for the motor
nameplate voltage, plus or minus
10%. Refer to local codes for
recommended wire sizes, correct
wire size, and maximum wire
run; undersize wire causes high
amp draw and overheating to the
motor.
ELECTRICAL SAFETY
(GROUNDING INSTRUCTIONS)
This product should be connected to a
metallic, permanent wiring system, or an
equipment-grounding terminal or lead on
the product.
Air Distribution System
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.
Figure 1 represents a typical air distribution
system. The following are tips to remember
when setting up the air compressor’s air
distribution system.
NOTICE: Compressed air from
oil lube air compressors will
contain water condensation
and oil mist. Several drains,
traps and lters will be needed
to supply air without water
(including aerosols) or oil to
spray equipment, air tools and
accessories requiring ltered
air. Always read the instructions
for the air tools and accessories
being used.
• Usepipethatisthesamesizeastheair
tank outlet. Piping that is too small will
restrict the ow of air.

6
Air Distribution System (continued)
• Ifpipingisover100’(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 underground
lines are covered to make sure all pipe
joints are free of leaks.
• Aexiblecouplingisrecommended
to be installed between the globe
valve/air discharge outlet and 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lubricatorsbetweenthe
tank and any spray equipment, air tool
or accessory requiring oil-free ltered
air.
• Drainalltraps,ltersanddirtlegsdaily.
AIR FLOW AIR FLOW
FEEDER LINES SLOPE
WITH AIR FLOW
DRAIN
LEGS
MAIN DISTRIBUTION AIR LINES
Slope pipe in dir w.
W
bottom of pipe to drain legs,
preventing it from entering feeder
lines.
AIR USAGE
LINES
FILTER /
MOISTURE
TRAP
DRAIN
VALVES
5 MICRON
FILTER
.01 MICRON
FILTER
SPR AY
GUN
AIR
TOOL
FILTER /
MOISTURE
TRAP
DIRT
LEGS
DRAIN
VALVES
DRAIN
VALVE
LUBRICATOR
REGULATOR
AIR DISCHARGE VALVE
REGUL ATOR
BALL
FILTER
FLEXIBLE
COUPLING
TYPICAL
COMPRESSED AIR
DISTRIBUTION
SYSTEM
FOR BEST PERFORMANCE
the distance between the
compressor and the
moisture trap should be as
long as possible
FIGURE 1

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Warranty
HUSKY AIR COMPRESSOR LIMITED TWO-YEAR WARRANTY
This warranty covers defects in workmanship or materials in this Husky air compressor for
the two-year period from the date of purchase. This warranty is specic to this air compressor
model. Warranties for other Husky products may vary.
This warranty applies only to the original retail purchaser and may not be transferred. This
warranty does not cover normal wear and tear or any malfunction, failure or defect resulting
from misuse, abuse, neglect, alteration, modication or repair by other than a service center
authorized to repair Husky branded air compressors. Expendable materials, such as motor
brushes, seals, etc. are not covered by this warranty. This warranty does not apply to this
compressor used in industrial applications or for rental purposes. Husky makes no warranties,
representations or promises as to the quality or performance of its air compressors other than
those specically stated in this warranty.
ADDITIONAL LIMITATIONS
To the extent permitted by applicable law, all implied warranties, including warranties of
merchantability or tness for a particular purpose, are disclaimed. Any implied warranties,
including warranties of merchantability or tness for a particular purpose, that cannot be
disclaimed under state law are limited to two years from the date of purchase. Husky is
not responsible for direct, indirect, incidental, special or consequential damages. If this air
compressor is used for commercial purposes, the warranty will apply for ninety (90) days from
the date of purchase. Some states do not allow limitations on how long an implied warranty
lasts and/or do not allow the exclusion or limitation of incidental or consequential damages, so
the above limitations may not apply to you. This warranty gives you specic legal rights, and
you may also have other rights, which vary from state to state.
Please contact the Customer Service Team at 1-888-43-HUSKY or visit www.huskytools.com.
Specications
AIR COMPRESSOR
Running horsepower 3.7 HP
Air tank capacity 60 gal.
Air pressure 155 PSI max.
Air delivery 13.4 SCFM at 40 PSI
11.5 SCFM at 90 PSI
Lubrication Oil Lube
Input 240 V, 60 Hz, Single Phase
AC only, 13.5 Amps.
Minimum Branch Circuit
Requirement 20A
Fuse Type Time Delay
Net weight 218 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.

8
Tools Required
Safety
goggles
9/16 wrench Electric Drill
Hardware needed (for anchoring)
NOTE: Hardware not shown to actual size.
........BB ........CC ........DD
Part Description Quantity
BB Concrete Anchors 4
CC 3/8” Lag Screw to t
concrete anchors 4
DD Shims as needed
Package Contents
HARDWARE INCLUDED
NOTE: Hardware not shown to actual size.
........AA
Part Description Quantity
AA 5/8” Flatwasher 4

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Package Contents (continued)
Become familiar with these controls before operating the unit (Figure 2)
FIGURE 2
FIGURE 7
K
I
O
L
N
M
H
JF
CAD
G
B
E
P
Part Description
A
Auto(I)/Off(0) Switch: Turn this switch in the “Auto (I)” position to provide
automatic power to the pressure switch and “Off (O)” to remove power at the end
of each use.
B
Pressure Switch: The pressure switch automatically starts the motor when the air
tank pressure drops below the factory set “cut-in” pressure. It stops the motor when
the air tank pressure reaches the factory set “cut-out” pressure.
C
Safety Valve: If the pressure switch does not shut off the air compressor at its
“cut-out” pressure setting, the safety valve will protect against high pressure by
“popping out” at its factory set pressure (slightly higher than the pressure switch
“cut-out” setting).
DTank Pressure Gauge: The tank pressure gauge indicates the reserve air pressure
in the tank.
E
Air Compressor Pump: Compresses air into the air tank. Working air is not
available until the compressor has raised the air tank pressure above that required
at the air outlet.

10
Part Description
FDrain Valve: The drain valve is located at the base of the air tank and is used to
drain condensation at the end of each use.
G
Check Valve: When the air compressor is operating, the check valve is “open”,
allowing compressed air to enter the air tank. When the air compressor reaches
“cut-out” pressure, the check valve “closes”, allowing air pressure to remain inside
the air tank.
H
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 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.
I
Motor 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.
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.
J Compressor Feet
K Belt Guard
L Pump Oil Fill
M Pump Oil Drain
N Pump Oil Sight Glass
O Motor
P Air Outlet
Assembly
1Location of the air compressor
1. Locate the air compressor in a clean,
dry, and well ventilated area.
2. Located the air compressor at least
18 in. (0.5m) away from the wall or
other obstructions that will interfere
with the ow of air.
Package Contents (continued)
3. Locate the air compressor as
close to the main power supply as
possible to avoid using long lengths
of electrical wiring. NOTE: Long
lengths of electrical wiring could
cause power loss to the motor.
4. The air lter must be kept clear of
obstructions which could reduce air
ow to the air compressor.

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2Anchoring of the air compressor (Figure 3)
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 3/8” lag screws,
washers (supplied) and concrete anchors. If
help is needed anchoring the air compressor
consult a licensed contractor.
1. Place the air compressor on a level,
solid concrete surface. Make sure the
concrete is in good condition with no
cracks or damage.
2. Mark the surface using the holes in the
air compressor feet (J) as a template.
3. Drill holes in the surface for the concrete
anchors. Install concrete anchors (BB).
3Breaking in the pump
NOTICE: Risk of property
damage. Serious damage may
result if the following break-
in instructions are not closely
followed.
This procedure is required before the air
compressor is put into service and when the
check valve or a complete compressor pump
has been replaced.
1. Make sure the Auto/Off switch (A) is in
the “Off” position.
2. Check oil level in pump. See Oil
paragraph in the Maintenance
section for instructions.
3. Recheck all wiring. Make sure wires
are secure at all terminals connections.
Make sure all contacts move freely and
are not obstructed.
4. Open the drain valve (F) fully to permit
air to escape and prevent air pressure
build up in the air tank during the
break-in period.
Assembly (continued)
4. Line-up holes in surface with holes in
air compressor feet (J).
5. Place the washers (AA, supplied)
between the oor and air compressor
feet, see gure. If needed use shims
(DD) to level the unit.
6. Place the 3/8” lag screws (CC) through
the air compressor feet (J), washers
(AA) and into the anchors (BB).
7. Torque 3/8” lag screws to 7-10 ft.-lbs
(9.5-13.5 Nm).
FIGURE 3 CC
(not supplied)
AA
(supplied)
BB
(not supplied)
Surface Line
DD
(not supplied)
J
5. Move the Auto/Off switch (A) to “Auto”
position. The compressor will start.
6. 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 tank.
7. Check all air line ttings and
connections/piping for air leaks by
applying a soap solution. Correct if
necessary.
NOTICE: Minor leaks can
cause the air compressor to
overwork, resulting in premature
breakdown or inadequate
performance.
8. Check for excessive vibration. Readjust
or shim air compressor feet, if
necessary.
9. After 20 minutes, close the drain valve.
The air receiver will ll to “cut-out”
pressure and the motor will stop.
The air compressor is now ready for use.

12
Operation
1Draining the tank (Figure 2, 4)
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 ow 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.
NOTICE: Risk of property
damage. Drain water from air
tank may contain oil and rust
which can cause stains.
NOTICE: All compressed air
systems generate condensate
that accumulates in any
drain point (e.g., tanks, lter,
aftercoolers, 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.
NOTICE: If drain valve is
plugged, release all air pressure.
The valve can then be removed,
cleaned, then reinstalled.
1. Set the Auto/Off switch (A, Figure 2) to
“Off”.
2. Slowly bleed the air from the air tank
and air distribution system until tank
pressure is approximately 20 psi.
3. Drain water from air tank by opening
drain valve (F) on bottom of tank.
4. After the water has been drained, close
the drain valve. The air compressor can
now be stored.
FIGURE 4
F

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2Checking the safety valve (Figure 5)
DANGER: Do not tamper with
the safety valve. Items loosened
from this device could y 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.
3Before each start-up (Figure 5)
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.
1. Place Auto/Off switch (A, Figure 5) to
“Off”.
2. Close the air discharge outlet.
3. Visually inspect air lines and ttings for
leaks.
4. Check safety valve. See Checking the
Safety Valve paragraph.
CAUTION: Risk of unsafe
operation. Compressed air
from the unit may contain
water condensation and oil
mist. Do not spray unltered
air at an item that could be
damaged by moisture. Some
air tools and accessories may
require ltered air. Read the
instructions for the air tools
and accessories.
NOTICE: A regulator MUST be
installed when using accessories
rated at less than 135 psi.
The hose or accessory will require
a quick connect plug if the air
outlet is equipped with a quick
connect socket.
Operation (continued)
1. Set the Auto/Off switch (A) to “On”.
and wait for the tank to ll. The
compressor automatically shuts off
when the pressure reaches the preset
maximum.
2. Set the Auto/Off switch (A) to “Off”.
3. Pull the ring on the safety valve (C) for
20 seconds to release the air.
4. 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.
FIGURE 5
CA

14
4How to start (Figure 2)
1. Turn the Auto/Off switch (A, Figure2))
to “Auto” and allow tank pressure
to build. Motor will stop when tank
pressure reaches “cut-out” pressure.
2. When the tank pressure reaches “cut-
out” pressure open the air discharge
valve.
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
paragragh under Operation.
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.
Operation (continued)
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.
NOTICE: When using regulator
and other accessories refer to the
manufacturers instructions.
WARNING: Do not allow brake
uids, gasoline, petroleum based
products, etc., to come in contact
with plastic parts. Chemicals can
weaken or destroy plastic which,
may result in serious personal
injury.
WARNING: When servicing, use
only identical Husky replacement
parts. Use of any other parts may
create a hazard or cause product
damage.
WARNING: Always disconnect
the air compressor from the
power supply, release all
pressure, and allow it to cool
before cleaning or making repairs
on the air compressor.

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1Oil (Figure 6)
NOTICE: Risk of property
damage. Use air compressor oil
only. Multi-weight automotive
engine oils like 10W30 should
not be use in air compressors.
They leave carbon deposits
on critical components, thus
reducing performance and
compressor life.
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, they will reduce
compressor life. Under extreme winter
condition use SAE-10 weight oil.
NOTE: Crankcase oil capacity is
approximately 29 uid ounces (857,6 ml).
Checking
1. The oil level should be to the middle of
the sight glass (N).
2. If needed remove oil ll plug (L) and
slowly add oil until it reaches the middle
of the sight glass.
Changing
WARNING: Drain tank to release
air pressure before removing the
oil ll cap or oil drain plug.
CAUTION: Overlling with
oil will cause premature air
compressor failure. Do not
overll.
1. Remove the oil ll plug (L).
2. Remove the oil drain plug (M) and drain
oil into a suitable container.
3. Replace the oil drain plug (M) and
tighten securely.
4. Slowly add compressor oil until it
reaches the middle of the sight glass
(N).
NOTE: When lling the crankcase, the
oil ows very slowly into the pump.
If the oil is added too quickly, it will
overow and appear to be full.
5. Replace oil ll plug (L) and tighten
securely.
FIGURE 6
L
N
M
2Air Filter
WARNING: Hot surfaces. Risk
of burn. Compressor heads are
exposed when lter cover is
removed. Allow compressor to
cool prior to servicing.
CAUTION: Keep the air lter
clean at all times. Do not operate
the air compressor with the air
lter removed.
A dirty air lter will not allow the air
compressor to operate at full capacity. Keep
the air lter clean at all times.
1. Remove the air lter cover.
2. Remove the air lter from lter cover.
4. Place new air lter into lter cover.
5. Replace air lter cover to pump.
Maintenance (continued)

16
3BELT GUARD – REMOVAL
1. Turn air compressor off, lock out
the power supply, and relieve all air
pressure from the air tank.
2. Remove the ve screws from the belt
guard. The front belt guard can now
lifted up and away from unit.
4Belt - Replacement
WARNING: Serious injury or
damage may occur if parts of
the body or loose items get
caught in moving parts. Never
operate the outt with the belt
guard removed. The belt guard
should be removed only when
the air compressor power is
disconnected.
1. Turn air compressor off, lock out
the power supply, and relieve all air
pressure from the air tank.
2. Remove the belt guard.
3. Mark pump position on saddle.
4. Loosen the motor mounting screws
and slide the motor toward the air
compressor.
5. Remove the belt and replace with a new
one.
6. See the Adjust Belt Tension before
tightening motor mounting screws.
Maintenance (continued)
5Adjusting Belt Tension (Figure 7)
1. Slide motor into original position, line
the motor up with the mark made
earlier on saddle.
2. Tighten two outside motor mounting
screws enough to hold the motor in
place for checking pulley and ywheel
alignment.
3. The belt should deect 3/16” (4.8mm)
at midway between the pulley and the
ywheel when a 5 pound (2.26kg.)
weight is applied at the midway point.
4. When proper belt tension is achieved,
tighten all four motor mounting screws.
Torque to 20-25 ft-lbs
(27.1–33.9 Nm).
NOTICE: Once the engine
pulley has been moved from its
factory set location, the grooves
of the ywheel and pulley must
be aligned to within 1/16”
(1.6mm) to prevent excessive
belt wear. Verify the alignment by
performing the following Pulley
and Flywheel - Alignment.
FIGURE 7
Downward Force
Deection

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6Motor Pulley/Flywheel Alignment (Figure 8)
The air compressor ywheel and motor pulley
must be in-line (in the same plane) within
1/16” (1.6 mm) to assure belt retention within
ywheel belt grooves. To check alignment,
perform the following steps:
1. Turn air compressor off, lock out
the power supply, and relieve all air
pressure from the air tank.
2. Remove belt guard.
3. Place a straightedge (S) against the
outside of the ywheel (P) and the
motor drive pulley (R).
4. Measure the distance between the edge
of the belt (Q) and the straightedge
at points A1 and A2 in gure. The
difference between measurements
should be no more than 1/16” (1.6 mm).
FIGURE 8
PQ R
S
5. If the difference is greater than 1/16”
(1.6 mm) loosen the set screw holding
the motor drive pulley (R) to the shaft
and adjust the pulley’s position on the
shaft until the A1 and A2 measurements
are within 1/16” (1.6 mm) of each other.
6. Tighten the motor drive pulley set screw.
7. Visually inspect the motor drive pulley
to verify that it is perpendicular to the
drive motor shaft. Points B1 and B2 of
Figure 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 in step 2.
8. Retighten the motor drive pulley
setscrew. Torque to 145–165 in lbs
(16.4–20.3Nm).
9. Reinstall belt guard.
7Air Compressor Pump 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.
Maintenance (continued)
8INSPECT AIR LINES AND FITTINGS FOR LEAKS
1. Turn air compressor off, lock out
the power supply, and relieve all air
pressure from the air tank.
2. Apply a soap solution to all air line
ttings and connections/piping.
3. Correct any leaks found.
NOTICE: Even minor leaks can
cause the air compressor to
overwork, resulting in premature
breakdown or inadequate
performance.

18
9Air compressor Head Bolts - Torquing
The air compressor pump head bolts should
be kept properly torqued. Check the torques
of the head bolts after the rst ve hours of
operation.
Torque to 12–17ft.-lbs. (16.3–23.0 Nm).
10Additional Service
Disassembly or service of the air compressor
beyond what is covered in this manual is
not recommended. If additional service is
required, contact 1-888-43-HUSKY for further
assistance.
Maintenance (continued)
Storage
Before you store the air compressor, make
sure you do the following:
1. Review the Maintenance section
on the preceding pages and perform
scheduled maintenance as necessary.
2. Drain water from air tank. See To Drain
Tank under Operation.
WARNING: 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.
Troubleshooting
Problem Possible Cause Solution
Compressor does
not run. Tank has insufcient
pressure.
When the tank pressure drops, the
compressor will turn on to cut-in
pressure.
No electrical power. Verify wiring connection inside
pressure switch and terminal box
area.
Blown stop/house fuse. Replace the shop/house fuse.
Tripped shop/home
breaker.
Reset the shop/home breaker and
determine the underlying cause.
Thermal overload is open. Place the Auto/Off switch in the
“Off” position.
Allow the motor to cool.
Depress the red reset button on
the motor.
Place the Auto/Off switch in the
“Auto” postion to restart the
motor.
Loss of power or
overheating.
Verify wiring.
NOTE: Long lengths of electrical
wiring could cause power loss to
the motor.
Pressure switch is bad. Replace the pressure switch.

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Motor hums but
does not run or
runs slowly.
Low voltage. Check voltage with a voltmeter.
Loose electrical
connections.
Verify wiring connection inside
pressure switch and terminal box
area.
Shorted or open motor
winding.
Bring the compressor to a service
center.
Defective check valve or
unloader.
Bring the compressor to a service
center.
Fuses blow or
circuit breaker trips
repeatedly.
Incorrect fuse size, circuit
overload.
Verify proper fuse size is being
used.
Use time-delay fuses.
Disconnect other electrical
appliances from the circuit or
operate compressor on its own
branch circuit.
Loose electrical
connections.
Verify wiring connection inside
pressure switch and terminal box
area.
Defective check valve or
unloader.
Bring the compressor to a service
center.
Knocking Noise Loose pulley. Tighten pulley set screw.
Loose ywheel. Tighten ywheel screw.
Compressor mounting
screws loose.
Tighten mounting screws.
Loose belt. Check belt tension.
Carbon build-up in pump. Bring the compressor to a service
center.
Belt too tight. Check belt tension.
Excessive belt wear Loose belt. Check belt tension.
Tight belt. Check belt tension.
Loose pulley. Bring the compressor to a service
center.
Pulley misalignment. Align pulley/ywheel.
Squealing sound Compressor pump has no
oil.
Check pump oil
Loose belt. Check belt tension.
Restricted air
intake Dirty air lter. Clean or replace air lter.
Troubleshooting (continued)

20
Oil and/or moisture
in tank and/or air
lines
Water condensation
Oil blow-by in pump
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 lter traps when
needed. The Typical Compressed
Air Distribution System provides
a guideline. Contact a 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.
Troubleshooting (continued)