Bostitch CAP2045ST-OL User guide
BEFORE OPERATING THIS COMPRESSOR, THE USER SHOULD STUDY THIS MANUAL TO UNDERSTAND AND
FOLLOW THE SAFETY WARNINGS AND INSTRUCTIONS. KEEP THESE INSTRUCTIONS WITH THE COMPRESSOR
FOR FUTURE REFERENCE. IF YOU HAVE ANY QUESTIONS, CONTACT YOUR BOSTITCH REPRESENTATIVE OR
DISTRIBUTOR.
ANTES DE USAR ESTE COMPRESOR, EL USUARIO DEBE ESTUDIAR ESTE MANUAL PARA ENTENDER Y SEGUIR
LAS ADVERTENCIAS DE SEGURIDAD Y LAS INSTRUCCIONES. CONSERVE ESTAS INSTRUCCIONES CON EL
COMPRESOR PARA REFERENCIA FUTURA. SI TIENE ALGUNA PREGUNTA, DIRÍJASE AL REPRESENTANTE O AL
DISTRIBUIDOR.
AVANT D’UTILISER LE COMPRESSEUR, L’UTILISATEUR DOIT LIRE CE MANUEL AFIN DE COMPRENDRE ET DE
RESPECTER LES AVERTISSEMENTS ET CONSIGNES DE SÉCURITÉ. GARDER CES INSTRUCTIONS AVEC LE
COMPRESSEUR POUR RÉFÉRENCE ULTÉRIEURE. POUR DE PLUS AMPLES INFORMATIONS, COMMUNIQUER
AVEC VOTRE REPRÉSENTANT OU DISTRIBUTEUR BOSTITCH.
158590REVA 6/02
OPERATION and MAINTENANCE MANUAL
MANUAL DE OPERACIÓN Y DE MANTENIMIENTO
MANUEL D’OPÉRATION ET DE MAINTENANCET
D’ENTRETIEN
CAP2045ST-OL
AIR COMPRESSOR
COMPRESOR DE AIRE
COMPRESSEUR D’AIR
INTRODUCTION
Congratulations on your purchase of a High Performance BOSTITCH Portable Air Compressor.
This compressor has been designed to provide compressed air to power various pneumatic
tools - including pneumatic fastening tools.
Before assembling, operating or maintaining this air compressor, users must read and
understand the information contained in this owner’s manual. Carefully review the Rules for
Safe Operation section in this owner’s manual and fully understand all warnings.
Danger indicates an imminently hazardous situation which, if not avoided, WILL
result in death or serious injury.
Warnings indicate a potentially hazardous situation which, if not avoided,could
result in death or serious bodily injury.
NOTICE!: Notice indicates important information that if not followed correctly could result in
damage to equipment.
INDEX
Safety Instructions ..........................................................................................................................2
Rules for Safe Operation ..........................................................................................................3, 4
Electrical Grounding Instructions ............................................................................................5, 6
Features...............................................................................................................................................7
Operation Instructions.....................................................................................................................8
General Maintenance .................................................................................................................8, 9
Tr ouble Shooting guide.................................................................................................................10
Warranty ...........................................................................................................................................11
NOTE:
Bostitch compressors have been engineered to provide excellent customer satisfaction and
are designed to achieve maximum performance.
2
RULES FOR SAFE OPERATION
Be Educated:
All users must read and fully understand all information contained in this owner’s manual
before assembling, operating, or maintaining this air compressor.
Avoid Moving Parts:
When the compressor is plugged into an electrical source and the pressure switch is in the
ON/AUTO position, this compressor will cycle automatically.
• Never touch any moving parts.
• Keep all body parts, hair, clothing, and jewelry away from moving parts.
• Never operate the air compressor without all guards and shrouds in place.
• Never stand on the compressor.
Attachments and Accessories:
For any attachment or accessory you will be using with this compressor, the maximum
allowable recommended pressure should be clearly marked on the product or should be
clearly noted within the operations manual. Exceeding the pressure rating of these
attachments (including, but not limited to: air tools, air operated accessories, spray guns, air
hose, air hose connections, tires and other inflatables) could cause them to fly apart or
explode and could result in serious injury.
• Never exceed the maximum allowable pressure recommended by the manufacturer of any
attachment or accessory you use with this compressor.
Personal Protection:
The employer and/or user must ensure that proper eye protection is worn. Eye protection
equipment must conform to the requirements of the American National Standards Institute
ANSI Z87.1-1989 and provide both frontal and side protection.
NOTICE!: Non-side shielded spectacles and face shields alone do not provide adequate
protection. Eye protection conforming to ANSI Z87.1-1989 will always be marked “Z87”.
CAUTION: Additional Safety Protection will be required in some environments. For
example, the working area may include exposure to noise level which can lead to hearing
damage. The employer and user must ensure that any necessary hearing protection is
provided and used by the operator and others in the work area. Some environments will
require the use of head protection equipment. When required, the employer and user must
ensure that head protection conforming to ANSI Z89.1-1986.
• Always wear eye protection.
• Wear proper hearing and head protection.
• Compressed air blast must never be aimed at anyone. Compressed air can cause bodily
injury and can propel loose particles and small objects at high speed.
• Keep children away from area of operation.
Transporting:
Use the handle to move the compressor. Do not drag or pull the compressor by the power
cord or air hose. Always disconnect the air compressor before transporting.
3
RULES FOR SAFE OPERATION (continued)
Air Tanks:
Due to condensation associated with the process of compressing air, moisture will build up
inside your compressor’s air tank. Drain tanks of moisture daily (See General Maintenance).
Failure to drain moisture from the tanks properly could lead to the formation of rust and
thinning of the steel tank.
WARNING: FAILURE TO REGULARLY DRAIN TANK MAY CAUSE TANK CORROSION AND
RISK OF TANK EXPLOSION, RESULTING IN SERIOUS INJURY. TO AVOID RISK OF TANK
FAILURE DURING USE, DRAIN TANK AFTER EACH USE OR EVERY FOUR HOURS OF
OPERATION TO PREVENT CONDENSATION BUILD-UP AND TANK CORROSION.
WARNING: DO NOT PERFORM WELDING OR REPAIR OPERATIONS ON THE AIR TANK OF
THIS COMPRESSOR. WELDING ON THE AIR COMPRESSOR TANK CAN SEVERELY IMPAIR
TANK STRENGTH AND CAUSE AN EXTREMELY HAZARDOUS CONDITION. WELDING ON
THE TANK IN ANY MANNER WILL VOID THE WARRANTY.
Ventilation:
WARNING: RISK OF FIRE OR EXPLOSION - DO NOT SPRAY FLAMMABLE LIQUID IN A
CONFINED AREA. SPRAY AREA MUST BE WELL VENTILATED. DO NOT SMOKE WHILE
SPRAYING AND DO NOT SPRAY WHERE SPARK OR FLAME IS PRESENT. KEEP
COMPRESSORS AS FAR FROM SPRAYING AREA AS POSSIBLE.
Risk of Burns:
All air compressors generate heat, even operating under normal conditions. Bostitch
compressors have been designed to reduce the risk of burns by limiting access to tubes and
cylinder head parts. In areas where tubes are exposed, a protective sheathing has been
added to the tubes to reduce risk; however, risk of burns does exist.
• To avoid serious burns, never touch the cylinder head parts or tubing during or immediately
after operation.
4
ELECTRICAL GROUNDING INSTRUCTIONS:
This product should be electrically grounded. In the event of an electrical short circuit,
grounding reduces the risk of electrical shock by providing an escape wire for electrical
current. This product is equipped with a cord having a grounding wire with an appropriate
grounding plug. The plug must be plugged into an outlet that is properly installed and
grounded in accordance with all local codes and ordinances.
DANGER: IMPROPER INSTALLATION OF THE GROUNDING PLUG CAN RESULT IN A RISK
OF ELECTRIC SHOCK. If a repair or replacement cord is necessary, do not connect the
grounding wire to either flat blade terminal. Check with a qualified electrician or serviceman,
if the grounding instructions are not completely understood or if there is doubt as to whether
this product is properly grounded. Do not modify the plug provided. If the supplied plug does
not fit the outlet, have the proper outlet installed by a qualified electrician.
This product is shipped for use on a nominal 120-volt circuit, and has a grounding plug that
looks like the plug in sketch A. A temporary adapter that looks like the adapter illustrated in
sketches B and C may be used to connect this plug to a 2-pole receptacle as shown in sketch
B, if a properly grounded outlet is not available. The temporary adapter should be used only
until a properly grounded outlet (sketch A) can be installed by a qualified electrician. The
green colored rigid ear, lug, or like extending from the adapter must be connected to a
permanent ground such as a properly grounded outlet box cover. Whenever the adapter is
used, it must be held in place by a metal screw.
The motor of this compressor has a thermal overload protector in the motor winding. If the
motor should overheat, the overload protector will shut the motor off. When the temperature
returns to normal, the motor will restart automatically.
NOTICE! Do not stop the compressor by pulling out the plug. Use only the Auto/Off switch,
which operates a pressure relief valve on the compressor. If the compressor is plugged in
with the switch in the “Auto” position, the compressor may have trouble restarting against
the high pressure which could cause excessive heat build up and could damage the motor.
Safety Valve:
This compressor is equipped with a safety valve that is set to avoid over-pressurization of the
air tanks. This valve is factory pre-set at 140 PSI and will not function unless tank pressure
reaches this pressure. DO NOT ATTEMPT TO ADJUST OR ELIMINATE THIS SAFETY DEVICE.
ANY ADJUSTMENTS TO THIS VALVE COULD CAUSE SERIOUS INJURY. If this device
requires service or maintenance, see an Authorized BOSTITCH Service Center.
5
Grounding Pin
Metal Screw
Grounding Pin
Grounding Means
Cover of
grounded
outlet box
A
B
C
ELECTRICAL GROUNDING INSTRUCTIONS: (continued)
DUTY CYCLE:
To ensure long life of your BOSTITCH air compressor, do not operate on more than a 50% duty
cycle. If this air compressor pumps air more than 50% of one hour, then the compressor’s
capability is less than the air delivery required by the application. Always match the air
volume requirements of the attachment or accessory with the air volume delivery of the
compressor.
Notice!: BOSTITCH does not recommend the use of extension cords with compressors. The
use of an extension cord can result in the loss of voltage supplied to the compressor which
could prevent the compressor from starting. For optimum performance, plug the compressor
directly into an outlet and increase the length of airline as needed.
If an extension cord must be used, use these guidelines:
Distance Needed Recommended Gauge
Less than 25 ft. 12 Gauge
25 - 50 ft. 10 Gauge
Greater than 50 ft. Not Recommended
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FEATURES OF THE BOSTITCH CAP2045ST-OL
A. Pressure Switch: The pressure switch is
the activation mechanism that is used to start
and stop the compressor. When the switch is
moved to the “AUTO” position, the motor and
pump will compress air until tank pressure
reaches the upper limit of the factory set
operating pressure. When tank pressure falls
below the factory set “cut in” pressure, the
compressor will again automatically start to
compress air.
B. Tank Pressure Gauge: The tank pressure
gauge indicates the air pressure that is
present in the tank in PSI (lbs/sq. in.).
C. Regulated Pressure Gauge: The regulated pressure gauge indicates the amount of
pressure that is allowed into the two discharge lines (E) according to the setting of the
regulator.
D. Regulator Knob: The regulator knob is used to adjust the air pressure that is available at
the two discharge lines. The discharge air pressure is increased by turning the knob
clockwise and decreased by turning the knob counter clockwise.
E. Discharge Lines: This compressor is equipped with two discharge lines. These lines extend
from the control panel as 1/4” female NPT to allow the end user to attach the appropriate size
fitting for the application.
F. Drain Cocks: Pull-style or twist style valves that drain moisture from the tanks when they
are opened.
G. Oil Drain: By removing the sight glass plug, oil can
be drained from the compressor crankcase. The
opening is tapered so that a small receptacle can be
placed under the opening to cleanly catch the oil.
H. Oil Fill: When adding oil to the unit, it is poured into
this opening. The opening is designed to act as a
funnel to make filling easier and cleaner.
I. Sight Glass: This oil drain plug is see-through so that
the user can quickly and easily verify the oil level prior
to operation.
7
A
B
C
D
E
F
G
H
I
OPERATION INSTRUCTIONS
Pre-Start Procedures:
1. Inspect the compressor for any damaged components. Do not operate if compressor is
damaged.
2. Check oil level in the compressor pump (See “Checking Oil Level”).
3. Verify that the tanks have been drained and are clear of any moisture or dirt (See
“Draining Tank”).
4. Verify that the air filter is securely in place (See “Air Filter Installation”).
Start-Up Procedures:
1. Verify that the Auto/Off switch is in the Off position.
2. Verify that the tank air pressure is at 0 PSI.
3. Attach the air hose to the discharge line.
4. Plug the unit into a properly grounded outlet.
5. Turn the Auto/Off switch to Auto. The compressor will automatically cycle on and off to
keep the tank pressure maintained .
6. Adjust the pressure regulator to the proper pressure setting required for the air tool.
Shut-Off Procedures:
1. Turn the Auto/Off switch to the Off position.
GENERAL MAINTENANCE
Service and Maintenance:
Prior to performing service and maintenance to the compressor, always disconnect all
accessories and attachments from the unit and disconnect the compressor from the
electrical source. When replacing parts, only use Genuine BOSTITCH replacement parts.
Checking the pump Oil Level - Using the Sight Glass:
1. Verify that the compressor is turned off and on a level surface.
2. Observe the oil level through the clear sight glass that is located at the base
of the crankcase.
3. If oil is visible to the middle of the sight glass, then the oil level is acceptable.
Checking the pump Oil Level - Using the Dipstick:
1. Verify that the compressor is turned off and on a level surface.
2. Remove the dipstick from the oil fill port.
3. Wipe oil off the dipstick.
4. Reinsert dipstick fully into the oil fill port for a few moments.
5. Remove the dipstick and observe the oil level, which should be no
higher than the “MAX” mark and no lower than the “MIN” mark.
8
GENERAL MAINTENANCE (continued)
Changing the Oil:
1. Verify the compressor is turned Off.
2. Place a small catch basin under the oil drain port (an 8oz. cup will work fine).
3. Remove the dipstick.
4. Remove the oil drain plug/sight glass.
5. Allow the oil to drain into the catch basin - tilting the compressor toward the
drain plug is beneficial.
6. Insert the oil drain plug/sight glass into the oil drain port.
7. Add 7.5 oz of 30w non detergent oil to the crankcase.
8. Insert dipstick.
Draining Tanks - Pull-Style Drain Cocks:
1. Verify that the compressor is turned Off.
2. Holding the handle, tilt the compressor toward the drain cocks so that they are positioned
at the bottom of the tank.
3. Pull the cord to open the drain valves.
4. Hold until all moisture has been removed.
5. Release when done.
Draining Tanks - Twist-Style Drain Cocks:
1. Verify that the compressor is turned Off.
2. Holding the handle, tilt the compressor toward the drain cocks so that they are positioned
at the bottom of the tank.
3. Turn the drain cocks to open the valve.
4. Keep the compressor tilted until all moisture has been removed.
Air Filter Installation:
1. Remove the plastic plug from the side of the pump head.
2. Remove the air filter from the box.
3. Screw the air filter into the threaded opening on the side of the pump head.
Checking/Cleaning the Air Filter:
WARNING: COOLING FINS, PUMP HEAD, AND SURROUNDING PARTS ARE VERY HOT. DO
NOT TOUCH.
1. Verify that the compressor is turned Off.
2. Remove the cap by turning clockwise.
3. Remove the filter element from the cap.
4. Clean filter pad with soap and water as necessary. If the filter becomes clogged or
damaged, replace it.
WARNING: NEVER CLEAN AIR FILTER WITH A FLAMMABLE LIQUID OR SOLVENT.
EXPLOSIVE VAPORS MAY ACCUMULATE IN THE AIR TANKS AND CAUSE AN EXPLOSION,
RESULTING IN SERIOUS INJURY OR DEATH.
5. Insert filter element into the cap.
6. Place the filter cap onto the filter base and turn counter-clockwise to attach.
ANY OTHER SERVICE SHOULD ONLY BE PERFORMED BY AN AUTHORIZED
BOSTITCH SERVICE CENTER
9
TROUBLE SHOOTING GUIDE
NOTE: REMOVE POWER SOURCE AND DRAIN TANK PRESSURE PRIOR TO MAKING ANY REPAIRS OR ADJUSTMENTS.
Problem Probable Cause Correction
Unit will not run Tank pressure exceeds “cut in” pressure Once pressure drops below “cut in” pressure, the unit will start.
Extension cord causing excessive amp draw Check guidelines for proper cord gauge
(use of extension cords is not recommended).
Fuse or circuit tripped Replace fuse or breaker
Unit not turned on or not plugged in Check pressure switch and verify that it is in the Auto position.
Verify that unit is plugged in.
Air filter plug not removed Remove air plug and install Air filter.
Cold weather conditions Place compressor in warmer environment for at least 30 minutes
(typically temperatures below freezing) then try restarting.
Air leaks at fittings Fittings loose Tighten fitting. Check with soapy water. DO NOT OVER TIGHTEN.
Air leak at pressure switch Clogged check valve Remove and clean check valve
Unit will not build pressure Application requires excessive air demand Reduce demand on compressor
Loose head Tighten bolts on head
Blown gasket Remove head and check for
broken or deformed gasket. Replace if needed.
Unit will not build pressure Worn or broken valves Remove head and replace valves.
Air leak at tank or air tank Damaged air tank
welds. WARNING: DO NOT DRILL INTO , WELD OR OTHERWISE MODIFY AIR TANK.
DAMAGED OR MODIFIED TANKS CAN RUPTURE. REPLACE TANK IMMEDIATELY.
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