Senco WARRANTY PC1108 Operating Instructions Manual
Questions? Comments? call SENCO's toll-free Action-line: 1-800-543-4596 or e-mail: toolprof@senco.com
PC 1108 Electric Air Compressor
Operating
Instructions
Warnings for the safe use of this compressor are included in this manual.
Des mises en garde pour une utilisation en toute sécurité de ce
compresseur sont incluses dans ce manuel.
En este manual se incluyen avisos para el uso seguro de este compresor.
Senco Products, Inc.
8485 Broadwell Rd.
Cincinnati, OH 45244
© 2006 by Senco Products, Inc.
PC1108 Issued August 16, 2006
2
TABLE OF CONTENTS
INTRODUCTION .........................................................................3
SAFETY INSTRUCTIONS............................................................3
INSPECTION ...............................................................................3
SAFETY WARNINGS ..............................................................4-7
ELECTRICAL..................................................................4
EXPLOSION OR FIRE ...................................................5
BURSTING......................................................................5
BREATHING ...................................................................6
BURNS ...........................................................................6
FLYING OBJECTS .........................................................6
MOVING PARTS ............................................................7
NEGLIGENCE ................................................................7
AIR COMPRESSOR DAMAGE ......................................7
CALIFORNIA PROPOSITION 65 WARNING .................7
COMPRESSOR FEATURES ......................................................8
PREPARATION ........................................................................10
INITIAL SET-UP ...........................................................10
LOCATION ...................................................................10
ELECTRICAL ...............................................................10
OPERATION .............................................................................11
PRE-START CHECKLIST .........................................................11
START-UP .................................................................................11
SHUTDOWN ..............................................................................11
MAINTENANCE ........................................................................11
TROUBLESHOOTING .........................................................12-14
SPECIFICATIONS ....................................................................15
WARRANTY .............................................................................16
3
INTRODUCTION
Congratulations on the purchase of your new SENCO® Air Compressor! You can be assured your SENCO air
Compressor was constructed with the highest level of precisionand accuracy. Each component has been rigorously
tested by technicians to ensure the quality, endurance and performance of this air compressor.
This operator's manual was compiled for your benefit. By reading and following the simple safety, installation and
operation, and maintenance steps described in this manual, you will receive years of troublefree operation
from you new SENCO Air Compressor. The contents of this manual are based on the latest product
information available at the time of publication. The manufacturer reserves the right to make changes in price,
color, materials equipment, specifications or models at any time without notice.
SAFETY ALERT!
A "DANGER, WARNING, or CAUTION" safety warning will be surrounded by a "SAFETY ALERT BOX".
This box is used to designate and emphasize Safety Warnings that must be followed when operating this
Air Compressor. Accompanying the safety warnings are "Signal Words" which designate the degree or
level of hazard seriousness. The "Signal Words" used in this manual are as follows:
DANGER: Indicates an imminently hazardous situation which, if not avoided,
WILL result in death or serious injury.
WARNING: Indicates an imminently hazardous situation which, if not avoided,
COULD result in death or serious injury.
CAUTION: Indicates an imminently hazardous situation which, if not avoided,
MAY result in minor or moderate injury or damage to the air
compressor.
The symbols set to the left of this paragraph are "Safety Alert Symbols".
These symbols are used to call attention to items or procedures that could
be dangerous to you or other persons using this equipment.
ALWAYS PROVIDE A COPY OF THIS MANUAL TO ANYONE USING THIS EQUIPMENT. READ ALL
INSTRUCTIONS IN THIS MANUAL AND ANY INSTRUCTIONS SUPPLIED BY MANUFACTURERS OF
SUPPORTING EQUIPMENT BEFORE OPERATING THIS AIR COMPRESSOR AND ESPECIALLY POINT OUT
THE "SAFETY WARNINGS TO PREVENT THE POSSIBILITY OF PERSONAL INJURY TO THE OPERATOR.
INSPECTION
Unbox the air compressor and write in the serial number in the space provided below. Inspect for signs of obvious
or concealed freight damage. Be sure that all damaged parts are replaced and any mechanical problems are
corrected prior to the operation of the air compressor.
SERIAL NUMBER__________________________________________
If you have Questions or Comments call SENCO's toll free Action-line:1-800-543-4596 or, e-mail :
toolprof@Senco.com
Please have the following information available for all service calls:
1. Model number
2. Serial number
3. Date and Place of Purchase
Senco, 8485 Broadwell Road, Cincinnati, OH 45244, USA
4
POTENTIAL CONSEQUENCE
PREVENTION
HAZARD
RISK OF
ELECTRIC SHOCK
OR
ELECTROCUTION
SAFETY WARNINGS
READ ALL SAFETY WARNINGS BEFORE USING AIR COMPRESSOR
Serious injury or death could occur if
the air compressor is not properly
grounded.Your air compressor is
powered by electricity and may
cause electric shock or electrocution
if not used properly.
Electrical shock may occur from
electrical cord.
Electrical shock may occur if air
compressor is not operated
properly.
Serious injury or death may occur
if electrical repairs are attempted
by unqualified persons.
Make sure the air compressor is
plugged into a properly grounded
outlet which provides correct
voltage and adequate fuse
protection.
Check power cord for signs of
crushing,cutting or heat damage.
Replace faulty cord before use.
Keep all connections dry and off
the ground.Do not allow electrical
cords to lay in water or in such a
position where water could come
in contact with them.Do not touch
plug with wet hands.
Do not pull on the electrical cord
to disconnect from the outlet.
Never operate air compressor in
wet conditions or outdoors when it
is raining.
Never operate air compressor
with safety guards/covers
removed or damaged.
Any electrical wiring or repairs
performed on this air compressor
should be done by Authorized
Service Personnel in accordance
with National and Local electrical
codes.
Before opening any electrical
enclosure,always shut off the
air compressor,relieve pressure
and unplug the air compressor
from the power source.Allow air
compressor to cool down.Never
assume the air compressor is
safe to work on just because it is
not operating.It could restart at
any time!
5
POTENTIAL CONSEQUENCE
PREVENTION
HAZARD
RISK OF
BURSTING
RISK OF
EXPLOSION OR FIRE
SAFETY WARNINGS
READ ALL SAFETY WARNINGS BEFORE USING AIR COMPRESSOR
Serious injury or death may occur
from normal electrical sparks in
motor and pressure switch.
Serious injury may occur if any air
compressor ventilation openings are
restricted,causing the air compressor
to overheat and start on fire.
Serious injury or death may occur
from an air tank explosion if air tanks
are not properly maintained.
Serious injury may occur from
an air compressor malfunction or
exploding accessories if incorrect
system components,attachments
or accessories are used.
Always operate air compressor in
a well ventilated area free of
flammable vapors,combustible
dust,gases or other combustible
materials.
If spraying flammable material,
locate the air compressor at least
20 feet away from the spray area.
(An additional hose may be
required.)
Never place objects against or on
top of air compressor.Operate
air compressor at least 12 inches
away from any wall or obstruction
that would restrict proper
ventilation.
Drain air tank daily or after each
use to prevent moisture buildup in
the air tank.
If air tank develops a leak,replace
the air tank immediately.Never
repair,weld or make modifications
to the air tank or its attachments.
Use only genuine Senco ® repair
parts for your air compressor.
Never make adjustments to the
factory set pressures.
Never exceed manufacturers
maximum allowable pressure
rating of attachments.
Because of extreme heat,do
not use plastic pipe or lead tin
soldered joints for a discharge
line.
Never use air compressor to
inflate small,low pressure objects
such as toys.
6
POTENTIAL CONSEQUENCE
PREVENTION
HAZARD
RISK
OF FLYING
OBJECTS
RISK OF
BURNS
RISK TO
BREATHING
SAFETY WARNINGS
READ ALL SAFETY WARNINGS BEFORE USING AIR COMPRESSOR
Serious injury or death could occur
from inhaling compressed air.The air
stream may contain carbon
monoxide,toxic vapors or solid
particles.
Sprayed materials such as paint,
paint solvents,paint remover,
insecticides,weed killers,etc.
contain harmful vapors and
poisons.
Serious injury could occur
from touching exposed metal
parts.These areas can remain
hot for some time after the air
compressor is shutdown.
Soft tissue damage can occur
from the compressed air stream.
Serious injury can occur from
loose debris being propelled at
a
high speed from the compressed
air stream.
Never inhale air from the air
compressor either directly or from
a breathing device connected to
the air compressor.
Operate air compressor only in a well
ventilated area.Follow all safety
instructions provided with the materials
you are spraying. Use of a respirator
may be required when working with
some materials.
Never allow any part of your body
or other materials to make contact
with any exposed metal parts on
the air compressor.
Always wear OSHA required "Z87"
safety glasses to shield the eyes
from flying debris.
Never point the air stream at any part
of your body,anyone else or animals.
Never leave pressurized air
compressor unattended. Shut off air
compressor and relieve pressure
before attempting maintenance,
attaching tools or accessories.
Always maintain a safe distance
from people and animals while
operating the air compressor.
Do not move the air compressor while
air tank is under pressure. Do not
attempt to move the air compressor by
pulling on the hose.
7
RISK FROM
MOVING PARTS
RISK FROM
NEGLIGENCE
RISK
OF AIR COMPRESSOR
DAMAGE
POTENTIAL CONSEQUENCE
PREVENTION
HAZARD
SAFETY WARNINGS
READ ALL SAFETY WARNINGS BEFORE USING AIR COMPRESSOR
Risk of bodily injury from moving
parts.This air compressor cycles
automatically when the pressure
switch is in the "On/Auto"position.
Risk of injury from negligent use.
Risk of major repair
Always turn off air compressor. Bleed
pressure from the air hose and unplug from
electrical outlet before performing
maintenance. All repairs to the air
compressor should be made by an
Authorized Service person.Never assume
the air compressor is safe to work on just
because it is not operating. It could restart
at any time!
Do not operate without protective
covers/guards.Replace damaged
covers/guards before using the air
compressor.
Never allow children or adolescents to
operate this air compressor!
Stay alert-watch what you are doing. Do not
operate the air compressor when fatigued
or under the influence of alcohol or drugs.
Know how to stop the air compressor. Be
thoroughly familiar with controls.
Do not operate air compressor
without an air filter.
Do not operate air compressor in a
corrosive environment.
Always operate the air compressor in a
stable, secure position to prevent air
compressor from falling.
Follow all maintenance instructions
listed in this manual.
Fill with oil to level marked on
dipstick.
! SAVE THESE INSTRUCTIONS !
8
COMPRESSOR FEATURES
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
6
Motor/Pressure Switch
Motor Thermal Overload
Air Intake Filter
Air Compressor Pump
Safety Relief Valve
Air Tank Drain Valve
Air Tank Pressure Gauge
Outlet Pressure Gaug
e
Pressure Regulator
Discharge Line
Dipstick
Cold Start Valve
Handle Release
Wheel (2)
Coupler - 1/4"
Handle, Folding
Cord Wrap
Air Hose Wrap
1
9
13
1618
410 211
17
14
155 7 8
3
12
9
COMPRESSOR FEATURES
1) MOTOR/PRESSURE SWITCH: This switch is used to start or stop the air
compressor.
Moving the switch to the (On) position will provide automatic
power to the pressure switch which will allow the motor to start when the air tank
pressure is below the factory set cut-in pressure. When in the On Position,
the pressure switch stops the motor when the air tank pressure reaches the factory
set cut-out pressure. For safety purposes, this switch also has a pressure release
valve located on the side of the switch designed to automatically release compressed
air from the air compressor pump head and its discharge line when the air compressor
reaches cut-out pressure or is shut off. This allows the motor to restart freely. Moving
the switch to the Off position will remove power from the motor and stop
the air compressor.
2) MOTOR THERMAL OVERLOAD: The electric motor has a thermal overload
protector. If the motor overheats for any reason, the thermal overload will cut off
power, thus preventing the motor from being damaged. Wait until the motor is
cool. Motor has a circuit breaker. Reset switch if it is tripped.
3) AIR INTAKE FILTER:
This filter is designed to clean air coming into the pump. To
ensure the pump continually receives a clean, cool, dry air supply this filter must
always be clean and ventilation opening free from obstructions. The filter can be
removed for cleaning by using warm, soapy water. Rinse the filter and air dry.
4) AIR COMPRESSOR PUMP: To compress air, the piston moves up and down in
the cylinder. On the downstroke, air is drawn in through the air intake valve while
the exhaust valve remains closed. On the upstroke, air is compressed, the intake
valve closes and compressed air is forced out through the exhaust valve, into the
discharge line, through the check valve and into the air tank.
5) SAFETY RELIEF VALVE: This valve is designed to prevent system failures by
relieving pressure from the system when the compressed air reaches a predetermined
level. The valve is preset by the manufacturer and must not be modified in any way.
To verify the valve is working properly, pull on the ring. Air pressure should escape.
When the ring is released, it will reseat.
6) AIR TANK DRAIN VALVE: The drain valve is used to remove moisture from the air
tank(s) after the air compressor is shut off. NEVER attempt to open the drain valve
when more than 10 PSI of air pressure is in the air tank! To open the drain valve,
turn the lever 1/4 turn. Tilt tank to ensure that all condensation drains
through valve.
7) AIR TANK PRESSURE GAUGE: The air tank pressure gauge indicates the
reserve air pressure in the air tank (s).
8) OUTLET PRESSURE GAUGE: The outlet pressure gauge indicates the air
pressure available at the outlet side of the regulator. This pressure is controlled
by the regulator and is always less or equal to the air tank pressure.
9) PRESSURE REGULATOR: The air pressure coming from the air tank is
controlled by the regulator knob. Turn the pressure regulation knob clockwise to
increase discharge pressure, and counterclockwise to decrease discharge
pressure.
10) DISCHARGE LINE: Please note that the discharge line is very hot.
HOT SURFACES: Do not remove protective shroud. High temperature after
sustained use.
11) DIPSTICK: The dipstick will measure the amount of oil in the pump. Oil level
should be checked on a daily basis to ensure that it is between the minimum and
maximum notch. Air escaping from the vent is normal.
12) COLD START VALVE: Allows compressor pump to start with less backpressure resulting in lower current draw.
13) LOCKING HANDLE: Flip handle to lock or release folding handle.
14) WHEEL
15) COUPLERS (2)
1
2
3
5
4
6
10
11
12
7
8
9
15
13
14
PREPARATION
INITIAL SET-UP:
1. Read safety warnings before setting-up air compressor.
2. Add entire contents of oil from enclosed bottle prior to starting compressor.
3. Ensure the oil level is above the minimum notch and below the maximum notch on the dipstick. If low, add
compressor pump oil.
LOCATION:
CAUTION
In order to avoid damaging the air compressor,do not incline the air compressor
transversely or longitudinally more than 10
°.
1.Place air compressor at least 12 inches away from obstacles that may prevent proper ventilation.
Do not place air compressor in an area:
-where there is evidence of oil or gas leaks.
-where flammable gas vapors or materials may be present.
WARNING
Serious injury or death may occur if electrical sparks from motor and pressure
switch come in contact with flammable vapors, combustible dust, gases or other
combustible materials. When using the air compressor for spray painting, place the air compressor
as far away from the work area as possible,using extra air hoses instead of extension cords.
-where air temperatures fall below 32 °F or exceed 104 °F.
-where extremely dirty air or water could be drawn into the air compressor.
ELECTRICAL:
DANGER
Improper connection of the equipment-grounding conductor can result in a risk
of shock or electrocution. Check with a qualified electrician or service personnel if
you are in doubt as to whether the outlet is properly grounded. Do not use any type of adapter with this
product. If repair or replacement of the cord or plug is necessary,do not connect the grounding wire to
either flat blade terminal. The wire with insulation having an outer surface that is green with or without
yellow stripes is the grounding wire.
WARNING
This product must be grounded.If there should be a malfunction or breakdown,
grounding provides a path of least resistance for electric current to reduce the
risk of electric shock. This product is equipped with a cord having an equipmentgrounding conductor and a grounding type plug. The plug must be plugged into an appropriate outlet
that is properly installed and grounded in accordance with all local codes and ordinances.
1.Senco ® DOES NOT RECOMMEND THE USE OF EXTENSION CORDS as this can create power loss and
overheating of the motor. Use of an additional air hose is recommended rather than an extension cord. If use of an
extension cord is unavoidable, it should be plugged into a GFCI found in circuit boxes or protected receptacles. When
using an extension cord,observe the following:
Cable Length Wire Gauge
Up to 25 feet 12 AWG
Up to 100 feet 10 AWG
Up to 150 feet 8 AWG
Up to 250 feet 6 AWG
Use only 3-blade extension cords that have 3-blade grounding-type plugs and 3-slot cord connectors that will accept the
plug from the product. Use only extension cords having an electrical rating not less than the rating of the product. Do not
use damaged extension cords. Examine extension cord before using and replace if damaged. Do not abuse extension
cord and do not yank on any cord to disconnect. Keep cord away from heat and sharp edges. Always shut off the air
compressor switch before removing the plug from the receptacle.
10
11
PRE-START CHECKLIST:
1. Remove any moisture in the air compressor air tank. Remove excessive pressure with an air tool, then open
the air tank drain valve in the bottom of the air tank. Close tightly when drained.
WARNING: Risk of bodily injury. NEVER attempt to open the drain valve when
more than 10 PSI of air pressure is in the air tank!
2. Make sure the air compressor Motor Switch is in the "OFF" position.
3. Make sure all safety valves are working correctly.
4. Make sure all guards and covers are in place and securely mounted.
START-UP:
1. Ensure the lever on the pressure switch box is in the "OFF" (O) position.
2. Plug the power cord into the grounded outlet.
3. Move the lever on the pressure switch box to the "ON" (1) position.
4. AUTO OPERATION: The ON position will allow the air compressor to "START" building
up pressure in the air tanks and "STOP" when correct pressure is achieved. When pressure drops with usage,
the air compressor will "START" building up pressure again.
5. Set pressure by adjusting the pressure regulator knob counterclockwise for less pressure and clockwise for
more pressure.
6. If you notice any unusual noise or vibration, stop the air compressor and refer to "Troubleshooting".
SHUTDOWN:
1. To stop the air compressor, move the lever on the pressure switch box to the "OFF" (O) position. NEVER
stop the air compressor by unplugging it from the power source. This could result in risk of electrocution.
2. Drain air from the air tank by releasing air with an attached air tool or by pulling on the safety relief valve ring.
3. Once pressure in the air tanks register under 10 PSI, open the drain valve under each air tank to drain
any moisture.
4. Allow the air compressor to cool down.
5. Wipe air compressor clean and store in a safe, non-freezing area.
MAINTENANCE
Read the instruction manual before performing maintenance. The following procedures must be performed when
stopping the air compressor for maintenance or service.
1. Turn off the air compressor.
WARNING: Never assume the air compressor is safe to work on just because it is not
operating. It could restart at any time!
2. Disconnect cord from main power supply.
3. Open all drains.
4. Wait for the air compressor to cool before starting service.
MAINTENANCE CHART
PROCEDURE DAILY WEEKLY MONTHLY 200 HOURS
Check pump oil level X
Oil leak inspection X
Drain condensation in air tank(s) X
Check for unusual noise or vibration X
Check for air leaks X
Inspect air filter X
Clean exterior of compressor X
Check safety relief valve X
Change pump oil X
Replace air filter X
OPERATION
12
TROUBLESHOOTING
Symptom 1. Motor will not run or restart.
Symptom 2. When in the "ON" position, motor runs continuously.
Symptom 3. Air continues to leak at motor/pressure switch release valve after motor stops.
Power cord not plugged in.
Motor/Pressure switch in "OFF" position.
Motor thermal overload switch has
tripped.
Fuse blown or circuit breaker has tripped.
Wrong gauge wire or length of extension
cord.
Air tank pressure exceeds motor/
pressure switch "cut-in" pressure.
Pressure release valve on motor/
pressure switch has not unloaded pump
head pressure.
Defective motor, motor capacitor, motor/
pressure switch, or check valve.
PROBABLE CAUSE
Motor/Pressure switch does not shut off motor
when air compressor reaches "cut-out" pressure
and safety relief valve activates.
Air compressor is incorrectly sized.
PROBABLE CAUSE
Defective pilot valve, the check valve is stuck open.
REMEDY
Move the motor/pressure switch to the "OFF" position.
If the motor doesn't shut off, unplug the air compressor.
If the electrical contacts are welded together, replace the
pressure switch.
Limit the air pressure to the capacity of the air compressor.
Either use a smaller tool or a larger air compressor.
REMEDY
Remove, clean or replace.
Plug cord into grounded outlet.
Move switch to "ON" position.
Turn air compressor off, wait until motor is cool, then check
motor circuit breaker.
Replace fuse or reset circuit breaker.
Check for proper fuse amperage.
Check for low voltage conditions.
Disconnect any other electrical appliances from circuit or
operate air compressor on its own branch circuit.
Check chart on page #10 for proper gauge wire and cord length.
Motor will start automatically when air tank pressure drops
below "cut-in" pressure of motor/pressure switch.
Bleed the line by moving the switch to the "OFF" position.
Contact Senco Customer Service.
13
TROUBLESHOOTING
Symptom 4. Air continues to leak at motor/pressure switch release valve after motor is running.
Symptom 5. Air leaks from safety relief valve.
Symptom 6. Air leaks at fittings.
Symptom 7. Air leak in air tank.
Symptom 8. Air blowing from inlet filter.
Symptom 9. Insufficient pressure at air tool or accessory.
PROBABLE CAUSE
Defective motor/pressure switch.
PROBABLE CAUSE
Possible defective safety relief valve.
Excessive air tank pressure.
PROBABLE CAUSE
Fittings are not tight enough.
PROBABLE CAUSE
Defective or rusted air tank.
PROBABLE CAUSE
Damaged inlet (reed) valve.
PROBABLE CAUSE
Pressure regulator knob not turned to high enough
pressure or defective pressure regulator.
Restricted air intake filter.
Air leaks.
Air compressor is not large enough for air
requirement.
REMEDY
Replace.
REMEDY
Operate safety relief valve manually by pulling on ring.
If it still leaks, it should be replaced.
Defective motor/pressure switch. Replace
REMEDY
Tighten fittings where air can be heard escaping. Check
fittings with soapy water solution. Do not overtighten.
REMEDY
Air tank must be replaced. Do not attempt to repair
air tank! Do not weld, repair or make modifications.
REMEDY
Contact SENCO Customer Service 888-222-8144.
REMEDY
Adjust pressure regulator knob to proper setting or
replace.
Clean.
Check for leaks and repair.
Check the accessory air requirement. If it is higher than
the CFM or pressure supply of the air compressor, you
need a larger air compressor.
14
TROUBLESHOOTING
Symptom 10. Air compressor not making enough air.
Symptom 11. Moisture in discharge air.
PROBABLE CAUSE
Restricted air intake filter.
Defective (reed) valve.
PROBABLE CAUSE
Condensation in air tank caused by high level
of atmospheric humidity or air compressor is
not run long enough.
REMEDY
Clean.
Drain air tank and measure pump up time. Compare to
specifications. If lower, remove pump head and inspect
valve plate, clean or replace.
REMEDY
Drain air tank after every use. Drain air tank more often
in humid weather and use an air line filter.
15
SPECIFICATIONS
Model # PC1108
Motor
Horsepower 2 HP (running)
Voltage 120
Amperage 13
Hz. 60
Phase Single
RPM 3450
Compressor Pump
Number of Cylinders
1
Compression Stage
1
Lubrication Splash
Oil Type SENCO PC 0344
Crankcase Aluminum
Bearings Ball
Cylinder Aluminum/Steel Sleeve
Valves Reed-Single
Head Aluminum
Filter Cannister
Motor/Pressure Switch Setting
Cut-out 150 PSIG
Cut-in 115 PSIG
Controls On (1) /Off (O)
Air tank
Capacity 5.2 gallon
Performance
CFM Air Displacement 8.5 CFM (1981/min.)
CFM @ 90 PSIG 5.0 CFM
Maximum Pressure 150 PSIG
Pump-up Time: 0-150 PSI 90 seconds
Recovery Time: 115-150 PSI 24 seconds
Weight
Net 88 lbs.
Dimensions
Basic LxWxH (Folded) 22.5"x28"x19"
Noise 82 dBA
Tires
Tire Pressure Max. 30 PSI
Tire Type Nylon
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