Porter-Cable C7550 User manual

Part No. 1000003897-MAR08-0
Oil LubeTwo Stage
Air Compressor
Instruction
manual
To learn more about Porter-Cable
visit our website at:
http://www.porter-cable.com
The Model and Serial No. plate is located on the
frame. Record these numbers in the spaces below
and retain for future reference.
Model No.______________________________________
Type ___________________________________________
Serial No._______________________________________
FRANÇAIS: PÁGINA 25
ESPAÑOL: PAGE 53
MODEL
C7550
IMPORTANT
Please make certain that the person who
is to use this equipment carefully reads
and understands these instructions before
starting operations.
®
Copyright © 2005, 2008 Porter-Cable

2-ENG
1000003897
SAFETY GUIDELINES - DEFINITIONS
This manual contains information that is important for you to know and under-
stand. 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.
Indicates an
imminently hazardous
situation which, if not avoided, will
result in death or serious injury.
Indicates a potentially
hazardous situation
which, if not avoided, may result in
minor or moderate injury.
Indicates a potentially
hazardous situation
which, if not avoided, could result in
death or serious injury.
Used without the
safety alert symbol
indicates a potentially hazardous
situation which, if not avoided, may result
in property damage.
IMPORTANT SAFETY INSTRUCTIONS
This product contains chemicals known to the State of
California to cause cancer, and birth defects or other reproductive harm.
Wash hands after handling.
Some dust contains chemicals known to the State of
California to cause cancer, birth defects or other reproductive harm such as
asbestos and lead in lead based paint.
To reduce the risk of injury, read the instruction manual.
SAVE THESE INSTRUCTIONS
TABLE OF CONTENTS
Safety Guidelines/Definitions............... 2
Important Safety Instructions...........2-7
Specifications....................................... 8
Glossary................................................ 8
Duty Cycle ............................................ 8
Accessories .......................................... 8
Assembly .............................................. 9
Installation..................................... 10-11
Operaton....................................... 12-14
Maintenance................................. 15-19
Service and Adjustments................... 19
Storage ............................................... 20
Troubleshooting Guide................. 20-23
Warranty.............................................. 24
Français ........................................ 25-51
Español......................................... 52-78

3-ENG 1000003897
HAZARD
RISK OF EXPLOSION OR FIRE
WHAT CAN HAPPEN HOW TO PREVENT IT
• Itisnormalforelectricalcontacts
within the motor and pressure
switch to spark.
•Always operate the compressor
in a well ventilated area free of
combustible materials, gasoline, or
solvent vapors.
• Ifelectricalsparksfromcompressor
come into contact with flammable
vapors, they may ignite, causing fire
or explosion.
• Ifsprayingflammablematerials,locate
compressor at least 20 feet (6.1 m)
away from spray area. An additional
length of air hose may be required.
• Storeflammablematerialsinasecure
location away from compressor.
• Restrictinganyofthecompressor
ventilation openings will cause
serious overheating and could cause
fire.
• Neverplaceobjectsagainstoron
top of compressor.
• Operatecompressorinanopenarea
at least 12" (30.5 cm) away from
any wall or obstruction that would
restrict the flow of fresh air to the
ventilation openings.
• Operatecompressorinaclean,dry
well ventilated area. Do not operate
unit indoors or in any confined area.
Store unit indoors.
• Unattendedoperationofthis
product could result in personal
injury or property damage. To
reduce the risk of fire, do not
allow the compressor to operate
unattended.
• Alwaysremaininattendancewith
the product when it is operating.
• Disconnect electrical supply when
not in use.
HAZARD
RISK TO BREATHING (ASPHYXIATION)
WHAT CAN HAPPEN HOW TO PREVENT IT
• Thecompressedairdirectlyfrom
your compressor is not safe for
breathing. The air stream may
contain carbon monoxide, toxic
vapors, or solid particles from the air
tank. Breathing these contaminant's
can cause serious injury or death.
• Airobtaineddirectlyfromthe
compressor should never be used to
supply air for human consumption.
In order to use air produced by this
compressor for breathing, suitable
filters and in-line safety equipment
must be properly installed. In-line
filters and safety equipment used
in conjunction with the compressor
must be capable of treating air to all
applicable local and federal codes
prior to human consumption.

4-ENG
1000003897
• Exposuretochemicalsindustcreat-
ed by power sanding, sawing, grind-
ing, drilling, and other construction
activities may be harmful.
• Sprayedmaterialssuchaspaint,
paint solvents, paint remover, insec-
ticides, weed killers, may contain
harmful vapors and poisons.
• Workinanareawithgoodcross
ventilation. Read and follow the safe-
ty instructions provided on the label
or safety data sheets for the materi-
als you are spraying. Always use
certified safety equipment: NIOSH/
OSHA respiratory protection or prop-
erly fitting face mask designed for
use with your specific application.
HAZARD
RISK OF SERIOUS INJURY OR PROPERTY DAMAGE
WHEN TRANSPORTING COMPRESSOR
WHAT CAN HAPPEN HOW TO PREVENT IT
• Oil can leak or spill and could
result in fire or breathing hazard;
serious injury or death can result. oil
leaks will damage carpet, paint or
other surfaces in vehicles or trailers.
• 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.
HAZARD
RISK OF BURSTING
Air Tank: The air tank on your Air Compressor is designed and may be UM coded
(for units with air tanks greater than 6 inch diameter) according to ASME Section
VIII, Div. 1 rules. All pressure vessels should be inspected once every two years.
To find your state pressure vessels inspector, look under the Division of Labor and
Industries in the government section of a phone book.
The following conditions could lead to a weakening of the air tank, and result in a
violent air tank explosion:
WHAT CAN HAPPEN HOW TO PREVENT IT
• Failuretoproperlydraincondensed
water from air tank, causing rust and
thinning of the steel air tank.
• Drainairtankdailyoraftereachuse.
If air tank develops a leak, replace it
immediately with a new air tank or
replace the entire compressor.
• Modificationsorattemptedrepairsto
the air tank. • Neverdrillinto,weld,ormakeany modifications to the air tank or its
attachments. Never attempt to
repair a damaged or leaking air tank.
Replace with a new air tank.
• Unauthorizedmodificationstothe
safety valve or any other components
which control air tank pressure.
• Theairtankisdesignedtowithstand
specific operating pressures.
Never make adjustments or parts
substitutions to alter the factory set
operating pressures.
• Excessivevibrationcanweakenthe
air tank of a stationary compressor
and cause an explosion.
• Thecompressormustbeproperly
mounted, see "Anchoring" under
Installation.

5-ENG 1000003897
Attachments & accessories:
• Exceedingthepressureratingof
air tools, spray guns, air operated
accessories, tires, and other
inflatables can cause them to
explode or fly apart, and could result
in serious injury.
• Followtheequipmentmanufacturers
recommendation and never exceed
the maximum allowable pressure
rating of attachments. Never use
compressor to inflate small low
pressure objects such as children’s
toys, footballs, basketballs, etc.
HAZARD
RISK OF ELECTRICAL SHOCK
WHAT CAN HAPPEN HOW TO PREVENT IT
• Your air compressor is powered by
electricity. Like any other electrically
powered device, If it is not used
properly it may cause electric shock.
• Never operate the compressor
outdoors when it is raining or in wet
conditions.
• Never operate compressor with
protective covers removed or
damaged.
• Repairs attempted by unqualified
personnel can result in serious injury
or death by electrocution.
• Any electrical wiring or repairs
required on this product should be
performed by authorized service
center personnel in accordance with
national and local electrical codes.
• Electrical Grounding: Failure to
provide adequate grounding to this
product could result in serious injury
or death from electrocution. Refer to
"Grounding Instructions" paragraph
in the Installation section.
• Make certain that the electrical circuit
to which the compressor is connected
provides proper electrical grounding,
correct voltage and adequate fuse
protection.
HAZARD
RISK FROM FLYING OBJECTS
WHAT CAN HAPPEN HOW TO PREVENT IT
• Thecompressedairstreamcan
cause soft tissue damage to
exposed skin and can propel dirt,
chips, loose particles, and small
objects at high speed, resulting in
property damage or personal injury.
• Alwayswearcertifiedsafety
equipment: ANSI Z87.1 eye
protection (CAN/CSA Z94.3)
with side shields when using the
compressor.
• Neverpointanynozzleorsprayer
toward any part of the body or at
other people or animals.
• Alwaysturnthecompressoroff
and bleed pressure from the air
hose and air tank before attempting
maintenance, attaching tools or
accessories.

6-ENG
1000003897
HAZARD
RISK OF HOT SURFACES
WHAT CAN HAPPEN HOW TO PREVENT IT
• Touchingexposedmetalsuchas
the compressor head, engine head,
engine exhaust or outlet tubes, can
result in serious burns.
• 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.
HAZARD
RISK FROM MOVING PARTS
WHAT CAN HAPPEN HOW TO PREVENT IT
• Movingpartssuchasthepulley,
flywheel, and belt can cause serious
injury if they come into contact with
you or your clothing.
• Neveroperatethecompressor
with guards or covers which are
damaged or removed.
• Keepyourhair,clothing,andgloves
away from moving parts. Loose
clothes, jewelry, or long hair can be
caught in moving parts.
• Airventsmaycovermovingparts
and should be avoided as well.
• Attemptingtooperatecompressor
with damaged or missing parts or
attempting to repair compressor
with protective shrouds removed
can expose you to moving parts and
can result in serious injury.
• Anyrepairsrequiredonthisproduct
should be performed by authorized
service center personnel.

7-ENG 1000003897
HAZARD
RISK OF UNSAFE OPERATION
WHAT CAN HAPPEN HOW TO PREVENT IT
• Unsafeoperationofyourair
compressor could lead to serious inju-
ry or death to you or others.
• Reviewandunderstandall
instructions and warnings in this
manual.
• Becomefamiliarwiththeoperation
and controls of the air compressor.
• Keepoperatingareaclearofall
persons, pets, and obstacles.
• Keepchildrenawayfromtheair
compressor at all times.
• Donotoperatetheproductwhen
fatigued or under the influence of
alcohol or drugs. Stay alert at all
times.
• Neverdefeatthesafetyfeaturesof
this product.
• Equipareaofoperationwithafire
extinguisher.
• Donotoperatemachinewithmissing,
broken, or unauthorized parts.
HAZARD
RISK OF INJURY FROM LIFTING
WHAT CAN HAPPEN HOW TO PREVENT IT
• Seriousinjurycanresultfrom
attempting to lift too heavy an
object.
• Thecompressoristooheavyto
be lifted by one person. Obtain
assistance from others before lifting.
HAZARD
RISK FROM NOISE
WHAT CAN HAPPEN HOW TO PREVENT IT
• Undersomeconditionsandduration
of use, noise from this product may
contribute to hearing loss.
• Alwayswearcertifiedsafetyequipment:
ANSI S12.6 (S3.19) hearing protection.
SAVE THESE INSTRUCTIONS

8-ENG
1000003897
SPECIFICATIONS
Model No. C7550
Running Horsepower 6.0
Voltage-Single Phase 240V
Minimum Branch Circuit Requirement 30 amps
*Fuse Type Time Delay
Air Tank Capacity, Gallons 80 ASME, Vertical
Approximate Cut-in Pressure 140 PSIG
Approximate Cut-out Pressure 175 PSIG
SCFM @ 100 psig 15.6
SCFM @ 175 psig 15.2
GLOSSARY
Become familiar with these terms before operating the unit.
CFM: Cubic feet per minute.
SCFM: Standard cubic feet per minute; a unit of measure of air delivery.
PSIG: Pounds per square inch gauge; a unit of measure of pressure.
Code Certification: Products that bear one or more of the following marks: UL,
CUL, ETL, CETL, have been evaluated by OSHA certified independent safety labo-
ratories and meet the applicable Underwriters Laboratories Standards for Safety.
Cut-In Pressure: While the motor is off, air tank pressure drops as you continue
to use your accessory. When the tank pressure drops to a certain low level the
motor will restart automatically. The low pressure at which the motor automatically
restarts is called "cut-in" pressure.
Cut-Out Pressure: When an air compressor is turned on and begins to run, air
pressure in the air tank begins to build. It builds to a certain high pressure before
the motor automatically shuts off - protecting your air tank from pressure higher
than its capacity. The high pressure at which the motor shuts off is called "cut-out"
pressure.
Branch Circuit: Circuit carrying electricity from electrical panel to outlet.
To Lock Out Power: Place a lock on the line power switch so no one else can turn
on the power.
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%-75% average duty
cycle be maintained; that is, the air compressor pump should not run more than
30-45 minutes in any given hour.
ACCESSORIES
Accessories for this unit are available at the store the unit was purchased.

9-ENG 1000003897
ASSEMBLY
Contents of Carton
1 - Air Compressor
1 - Parts bag containing:
1 - Owner’s Manual
4 - 5/8" Washers
1 - Conduit Connector
Tools Required for Assembly
1 - 9/16" socket or open end wrench
1 - Electric drill
Unpacking
1. Remove all packaging.
It may be necessary to brace or support one side of the
outfit when removing the pallet because the air compressor
will have a tendency to tip.
2. Remove and discard the (4) screws and washers holding the compressor to
the pallet.
3. With the help of another person carefully remove air compressor from pallet
and place on a level surface.
This compressor was shipped with oil in the pump crankcase.
Check oil before operating air compressor, see Check Oil
under Maintenance.
INSTALLATION
HOW TO SET UP YOUR UNIT
Location of the Air Compressor
• Locatetheaircompressorinaclean,dry,andwellventilatedarea.
• Locatedtheaircompressoratleast12"(30.5cm)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. NOTE: Long lengths of
electrical wiring could cause power loss to the motor.
• Theairfiltermustbekeptclearofobstructionswhichcouldreduceairflow
to the air compressor.
Anchoring of the Air Compressor
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 solid, level surface.
Hardware needed:
4 - Concrete anchors (not supplied)
4 - 3/8" Lag screw to fit concrete anchors (not supplied)
4 - 5/8" Washer (supplied) shims (if needed)
1. Place the air compressor on a solid, level surface.
2. Mark the surface using the holes in the air compressor feet as a template.
3. Drill holes in the surface for the concrete anchors. Install concrete anchors.

10-ENG
1000003897
4. Line-up holes in surface with holes in air compressor feet.
5. Place the (4) washers (supplied) 3/8" Lag
Screw
(not supplied)
5/8" Washer
(supplied)
Shim Under
Washer
(not supplied) Concrete Anchor
(not supplied)
Surface Line
between the floor and air compressor
feet. If needed, solid shims may be
placed between the washers and
floor to evenly distribute weight on all
four feet. See next figure.
6. Place the (4) 3/8" lag screws through
the air compressor feet, washers,
shims, and into the anchors.
7. Torque 3/8" lag screws to
7 - 10 ft. lbs.
Wiring Instructions
Improper electrical installation of this product may void its war-
ranty and your fire insurance. Have circuit wiring performed by qualified personnel
such as a licensed electricians who is familiar with the current national electrical
code and any prevailing local electrical codes. Une mauvaise connexion
électrique de ce produit pourrait annuler la garantie et votre assurance contre les
incendies.
A qualified electrician needs to knows the following before wiring:
1. The amperage rating of the electrical box should be adequate. Refer to the
Specification Chart 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.
NOTE: The wiring must be the same as 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.
Risk of Electrical Shock. Electrical wiring must be located
away from hot surfaces such as manifold assembly,
compressor outlet tubes, heads, or cylinders.
GROUNDING INSTRUCTIONS
This product should be connected to a metallic, permanent wiring system, of an
equipment-grounding terminal or lead on the product.