DeVillbiss Air Power Company 12MG6-OLVERT-3B User Manual
General Manual
Oil Lubricated
Two-Stage Stationary Air Compressor
SAFETY GUIDELINES - DEFINITIONS
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 to the right.
Please read the manual and pay attention to these sections.
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 of serious injury.
Call our Toll Free Number 1-800-888-2468, Ext 2, then 1, to obtain the location of the nearest Authorized Service Center for
ordering repair parts and for warranty repairs.
When ordering repair parts from your local Authorized Service Center, always give the following information:
• Model number of your compressor
• Part number and description of the item you wish to purchase
Retain Original Sales Receipt as Proof of Purchase for Warranty Repair Work.
MG6-OLVERT-3B Rev. 3 10/3/00
CAUTION indicates a potentially hazardous situation which, if not
avoided, may result in minor or moderate injury.
CAUTION used without the safety alert symbol indicates a
potentially hazardous situation which, if not avoided, may result
in property damage.
TABLE OF CONTENTS
SAFETY GUIDELINES -DEFINITIONS ........... 1
GENERAL INFORMATION .............................. 2
ON-RECEIPT INSPECTION ............................ 2
WARRANTY STATEMENT .............................. 3
IMPORTANT SAFETY INSTRUCTIONS ........ 4-6
SPECIFICATIONS ............................................ 7
GLOSSARY ....................................................... 7
DUTY CYCLE................................................... 7
INSTALLATION ................................................ 7-10
Location of Air Compressor............................ 7-8
Air Compressor Anchoring Methods .............. 8
Wiring Instructions and Diagram .................... 8
Voltage and Circuit Protection........................ 9
Grounding Instructions ................................... 9
Lubrication and Oil ......................................... 9
Additional Regulators & Controls ................... 9
Piping Instructions .......................................... 10
DESCRIPTION OF OPERATION .................... 11
BREAK-IN PROCEDURES .............................. 12
OPERATING PROCEDURES .......................... 12
MAINTENANCE ............................................... 13
SERVICE INSTRUCTIONS .............................14-16
Air Filter-Inspection and Replacement .......... 14
Oil-Checking and Changing ........................... 14
Viscosity Chart ............................................... 14
Oil Type .......................................................... 14
Oil Capacity .................................................... 14
Check Valve-Inspection and Replacement ... 14
Safety Valve-Inspection and Replacement ... 15
Belt-Replacement........................................... 15
Adjusting Belt Tension .................................... 15
Motor Pulley and Flywheel Alignment............ 15
Motor Overload Protector-Reset .................... 16
Motor Lubrication............................................ 16
Air compressor Head Bolts-Torquing ............ 16
Additional Service ........................................... 16
STORAGE.......................................................... 16
TROUBLESHOOTING GUIDE........................17-20
ACCESSORIES ........................................ Back Cover
NOTE: Photographs and line drawings used in this manual are for reference only and do not
represent a specific model.
GENERAL INFORMATION
You have purchased a complete air compressor outfit consisting
of an air compressor, air tank, electric motor, and associated
controls and instruments. The outfit you have selected is a
stationary model and contains a two stage air compressor pump.
Your new air compressor outfit can be used for operating paint
sprayers, air tools, grease guns, air brushes, caulking guns,
sandblasters, inflating tires, etc.
A regularly scheduled program of preventive maintenance will
help provide the long life that has been designed into your air
compressor outfit. Before operating or performing any
maintenance on your air compressor, refer to this manual and
your Outfit Parts Manual. To keep your air compressor in good
working order, refer to these publications often and perform
preventive maintenance steps as recommended.
ON-RECEIPT Inspection
Each air compressor outfit is carefully checked before shipment.
With improper handling, damage may result in transit and cause
problems in air compressor operation.
Immediately upon arrival, check equipment for both concealed
and visible damages to avoid expenses being incurred to correct
such problems. This should be done regardless of any visible
signs of damage to the shipping container.
Report any damages to carrier and arrange for inspection of
goods immediately.
For the location or a listing of the nearest DeVilbiss Air Power
Authorized Warranty Service Center, call our toll free number at
1-800-888-2468, Ext. 2.
MG6-OLVERT-3B Rev. 2 6/27/00
2
LIMITED WARRANTY
ONE YEAR FROM DATE OF PURCHASE
All merchandise manufactured by DeVilbiss Air Power Company Manufacturing is warranted to be free of defects
in workmanship and material which occur during the first year from the date of purchase by the original purchaser
(initial user). Products covered under this warranty include: air compressors, *air tools, accessories, service parts,
pressure washers, and generators used in consumer applications (i.e., personal residential household usage only).
Air compressors, *air tools, accessories, service parts, pressure washers, and generators used in commercial
applications (income producing) are covered by a 90 day warranty.
DeVilbiss Air Power Manufacturing will repair or replace, at DeVilbiss’ option, products or components which have
failed within the warranty period. Repair or replacement, and service calls on 60 and 80 gallon air compressors, will
be handled by Authorized Warranty Service Centers and will be scheduled and serviced according to the normal work
flow and business hours at the service center location, and depending on the availability of replacement parts.
All decisions of DeVilbiss Air Power Company Manufacturing with regard to this policy shall be final.
This warranty gives you specific legal rights, and you may also have other rights which vary from state to state.
RESPONSIBILITY OF ORIGINAL PURCHASER (Initial User):
❏ Retain original cash register sales receipt as proof of purchase for warranty work.
❏ Use reasonable care in the operation and maintenance of the product as described in the Owners Manual(s).
❏ Deliver or ship the product to the nearest DeVilbiss Air Power Manufacturing Authorized Warranty Service Center.
Freight costs, if any, must be paid by the purchaser.
❏ Air compressors with 60 and 80 gallon tanks only will be inspected at the site of installation. Contact the nearest
Authorized Warranty Service Center, that provides on-site service calls, for service call arrangement.
❏ If the purchaser does not receive satisfactory results from the Authorized Warranty Service Center, the
purchaser should contact DeVilbiss Air Power Company Manufacturing.
THIS WARRANTY DOES NOT COVER:
❏ Merchandise sold as reconditioned, floor models and/or display models. Any damaged or incomplete equipment
sold "as is".
❏ Merchandise used as "rental" equipment.
❏ Merchandise that has become inoperative because of ordinary wear, misuse, freeze damage, use of improper
chemicals, negligence, accident, improper and/or unauthorized repair or alterations including failure to operate the
product in accordance with the instructions provided in the Owners Manual (s) supplied with the product.
*Air Tools: O-Rings and driver blades are considered ordinary wear parts, therefore, they are warranted for a period
of 45 days from the date of purchase.
❏ An air compressor that pumps air more than 50% during a one hour period is considered misuse because the air
compressor is undersized for the required air demand. Maximum compressor pumping time per hour is 30 minutes.
❏ Merchandise sold by DeVilbiss Air Power Manufacturing which has been manufactured by and identified as the
product of another company. The product manufacturer's warranty will apply.
❏ Repair and transportation costs of merchandise determined not to be defective.
❏ Cost associated with assembly, required oil, adjustments or other installation and start-up cost.
❏ ANY INCIDENTAL, INDIRECT OR CONSEQUENTIAL LOSS, DAMAGE, OR EXPENSE THAT MAY RESULT
FROM ANY DEFECT, FAILURE OR MALFUNCTION OF THE PRODUCT. Some states do not allow the exclusion
or limitation of incidental or consequential damages, so the above limitation or exclusion may not apply to you.
❏ IMPLIED WARRANTIES, INCLUDING THOSE OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
PURPOSE, ARE LIMITED TO ONE YEAR FROM THE DATE OF ORIGINAL PURCHASE. Some states do not
allow limitations on how long an implied warranty lasts, so the above limitations may not apply to you.
Form: SP-100-G - 9/29/99
213 Industrial Drive • Jackson, TN 38301-9615
Telephone: 1-800-888-2468 , Ext. 2
FAX: 1-800-888-9036
3
MG6-OLVERT-3B Rev. 2 6/27/00
IMPORTANT SAFETY INSTRUCTIONS
SAVE THESE INSTRUCTIONS
IMPROPER OPERATION OR MAINTENANCE OF THIS PRODUCT COULD RESULT IN SERIOUS INJURY AND PROPERTY DAMAGE. READ AND UNDERST AND ALL WARNINGS AND OPERATING INSTRUCTIONS BEFORE USING THIS
EQUIPMENT. SAVE THESE INSTRUCTIONS. OWNER’S MANUAL SHOULD REMAIN WITH UNIT AT ALL TIMES.
HAZARD
RISK OF EXPLOSION OR FIRE
WHAT CAN HAPPEN
IT IS NORMAL FOR ELECTRICAL CONTACTS WITHIN THE
MOTOR AND PRESSURE SWITCH TO SPARK.
IF ELECTRICAL SPARKS FROM COMPRESSOR COME INTO
CONTACT WITH FLAMMABLE VAPORS, THEY MAY IGNITE,
CAUSING FIRE OR EXPLOSION.
RESTRICTING ANY OF THE COMPRESSOR VENTILATION
OPENINGS WILL CAUSE SERIOUS OVERHEATING AND
COULD CAUSE FIRE.
UNATTENDED OPERATION OF THIS PRODUCT COULD
RESULT IN PERSONAL INJURY OR PROPERTY DAMAGE.
ALWAYS OPERATE THE COMPRESSOR IN A WELL VENTILATED AREA FREE OF COMBUSTIBLE MATERIALS,
GASOLINE OR SOLVENT VAPORS.
IF SPRAYING FLAMMABLE MATERIALS, LOCATE COMPRES-
SOR AT LEAST 20 FEET AWAY FROM SPRAY AREA. AN
ADDITIONAL LENGTH OF HOSE MAY BE REQUIRED.
STORE FLAMMABLE MATERIALS IN A SECURE LOCATION
AWAY FROM COMPRESSOR.
NEVER PLACE OBJECTS AGAINST OR ON TOP OF COMPRESSOR. OPERATE COMPRESSOR IN AN OPEN AREA AT
LEAST 12 INCHES AWAY FROM ANY WALL OR OBSTRUC-
TION THAT WOULD RESTRICT THE FLOW OF FRESH AIR TO
THE VENTILATION OPENINGS.
OPERATE COMPRESSOR IN A CLEAN, DRY, WELL VENTI-
LATED AREA. DO NOT OPERATE UNIT INDOORS OR IN ANY
CONFINED AREA.
ALWAYS REMAIN IN ATTENDANCE WITH THE PRODUCT
WHEN IT IS OPERATING.
HOW TO PREVENT IT
RISK OF BURSTING
AIR TANK: THE FOLLOWING CONDITIONS COULD LEAD TO A WEAKENING OF THE AIR TANK, AND RESULT IN A
VIOLENT AIR TANK EXPLOSION AND COULD CAUSE PROPERTY DAMAGE OR SERIOUS INJURY.
WHAT CAN HAPPEN
1. FAILURE TO PROPERLY DRAIN CONDENSED WATER
FROM THE AIR TANK, CAUSING RUST AND THINNING OF
THE STEEL AIR TANK.
2. MODIFICATIONS OR ATTEMPTED REPAIRS TO THE AIR
TANK.
3. UNAUTHORIZED MODIFICATIONS TO THE UNLOADER
VALVE, SAFETY VALVE, OR ANY OTHER COMPONENTS
WHICH CONTROL AIR TANK PRESSURE.
4. EXCESSIVE VIBRATION CAN WEAKEN THE AIR TANK
AND CAUSE RUPTURE OR EXPLOSION.
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.
MG6-OLVERT-3B Rev. 2 6/27/00
HOW TO PREVENT IT
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.
NEVER DRILL INTO, WELD, OR MAKE ANY MODIFICATIONS
TO THE AIR TANK OR ITS ATTACHMENTS.
THE AIR TANK IS DESIGNED TO WITHSTAND SPECIFIC OPERATING PRESSURES. NEVER MAKE ADJUSTMENTS OR PARTS
SUBSTITUTIONS TO ALTER THE FACTORY SET OPERATING
PRESSURES.
FOR ESSENTIAL CONTROL OF AIR PRESSURE, YOU MUST
INSTALL A PRESSURE REGULATOR AND PRESSURE GAUGE
TO THE AIR OUTLET OF YOUR COMPRESSOR. 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.
4
HAZARD
RISK FROM FLYING OBJECTS
WHAT CAN HAPPEN
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.
RISK TO BREATHING
WHAT CAN HAPPEN
THE COMPRESSED AIR FROM YOUR COMPRESSOR IS NOT
SAFE FOR BREATHING! THE AIR STREAM MAY CONTAIN
CARBON MONOXIDE, TOXIC VAPORS OR SOLID PARTICLES
FROM THE AIR TANK.
HOW TO PREVENT IT
ALWAYS WEAR ANSI Z87.1 APPROVED SAFETY GLASSES
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 ATTEMPT-
ING MAINTENANCE, ATTACHING TOOLS OR ACCESSORIES.
HOW TO PREVENT IT
ALWAYS OPERATE AIR COMPRESSOR OUTSIDE IN A CLEAN,
WELL VENTILATED AREA. AVOID ENCLOSED AREAS SUCH AS
GARAGES, BASEMENTS, STORAGE SHEDS, WHICH LACK A
STEADY EXCHANGE OF AIR. KEEP CHILDREN, PETS AND
OTHERS AWAY FROM AREA OF OPERATION.
NEVER INHALE AIR FROM THE COMPRESSOR EITHER
DIRECTLY OR FROM A BREATHING DEVICE CONNECTED TO
THE COMPRESSOR.
SPRAYED MATERIALS SUCH AS PAINT, PAINT SOLVENTS,
PAINT REMOVER, INSECTICIDES, WEED KILLERS, CONTAIN
HARMFUL VAPORS AND POISONS.
RISK OF ELECTRICAL SHOCK
WHAT CAN HAPPEN
YOUR AIR COMPRESSOR IS POWERED BY ELECTRICITY.
LIKE ANY OTHER ELECTRICALLY POWERED DEVICE, IF IT IS
NOT USED PROPERLY IT MAY CAUSE ELECTRIC SHOCK.
REPAIRS ATTEMPTED BY UNQUALIFIED PERSONNEL CAN
RESULT IN SERIOUS INJURY OR DEATH BY ELECTROCUTION.
ELECTRICAL GROUNDING: FAILURE TO PROVIDE ADEQUATE
GROUNDING TO THIS PRODUCT COULD RESULT IN SERIOUS
INJURY OR DEATH FROM ELECTROCUTION. SEE GROUND-
ING INSTRUCTIONS.
WORK IN AN AREA WITH GOOD CROSS-VENTILATION. READ
AND FOLLOW THE SAFETY INSTRUCTIONS PROVIDED ON
THE LABEL OR SAFETY DATA SHEETS FOR THE MATERIAL
YOU ARE SPRAYING. USE A NIOSH/MSHA APPROVED
RESPIRATOR DESIGNED FOR USE WITH YOUR SPECIFIC
APPLICATION.
HOW TO PREVENT IT
NEVER OPERATE THE COMPRESSOR OUTDOORS WHEN IT IS
RAINING OR IN WET CONDITIONS.
NEVER OPERATE COMPRESSOR WITH COVER COMPONENTS
REMOVED OR DAMAGED.
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.
MAKE CERTAIN THAT THE ELECTRICAL CIRCUIT TO WHICH
THE COMPRESSOR IS CONNECTED PROVIDES PROPER
ELECTRICAL GROUNDING, CORRECT VOLTAGE AND
ADEQUATE FUSE PROTECTION.
5
MG6-OLVERT-3B Rev. 2 6/27/00
HAZARD
RISK FROM MOVING PARTS
WHAT CAN HAPPEN
MOVING PARTS SUCH AS THE PULLEY, FLYWHEEL AND BELT
CAN CAUSE SERIOUS INJURY IF THEY COME INTO CONTACT
WITH YOU OR YOUR CLOTHING.
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.
RISK OF BURNS
WHAT CAN HAPPEN
TOUCHING EXPOSED METAL SUCH AS THE COMPRESSOR
HEAD OR OUTLET TUBES, CAN RESULT IN SERIOUS BURNS.
HOW TO PREVENT IT
NEVER OPERATE THE COMPRESSOR WITH GUARDS OR
COVERS WHICH ARE DAMAGED OR REMOVED.
ANY REPAIRS REQUIRED ON THIS PRODUCT SHOULD BE
PERFORMED BY AUTHORIZED SERVICE CENTER PERSONNEL.
HOW TO PREVENT IT
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.
RISK OF FALLING
WHAT CAN HAPPEN
A PORTABLE COMPRESSOR CAN FALL FROM A TABLE,
WORKBENCH OR ROOF CAUSING DAMAGE TO THE COM-
PRESSOR AND COULD RESULT IN SERIOUS INJURY OR
DEATH TO THE OPERATOR.
RISK OF PROPERTY DAMAGE WHEN TRANSPORTING
COMPRESSOR
(Fire, Inhalation, Damage to Vehicle Surfaces)
WHAT CAN HAPPEN
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.
ESW-99 9/26/99
HOW TO PREVENT IT
ALWAYS OPERATE COMPRESSOR IN A STABLE SECURE
POSITION TO PREVENT ACCIDENTAL MOVEMENT OF THE
UNIT. NEVER OPERATE COMPRESSOR ON A ROOF OR
OTHER ELEVATED POSITION. USE ADDITIONAL AIR HOSE
TO REACH HIGH LOCATIONS.
HOW TO PREVENT IT
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.
MG6-OLVERT-3B Rev. 2 6/27/00
6
SPECIFICATIONS
Refer to Outfit Parts Manual for the specifications of your air
compressor. Use only a fuse or circuit breaker that is the same
rating as the branch circuit the air air compressor is operated on.
If the air compressor is connected to a circuit protected by fuses,
Improper electrical installation of this product may void its warranty and your fire insurance.
Have circuit wiring performed by qualified personnel such as a licensed electrician who is
familiar with the current national electric code and any prevailing local electrical codes.
GLOSSARY
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.
ASME: American Society of Mechanical Engineers; made,
tested, inspected and registered to meet the standards of the
ASME.
California Code: Unit may comply with California Code 462
(l) (2)/(M) (2). Specification/Model Label is on the side of the air
tank on units that comply with California Code.
use dual element time delay fuses, as noted in that Service
Manual. Some air compressors require a magnetic starter.
Check Outfit Parts Manual for magnetic starter requirements.
Cut-In Pressure: While the motor is off, air tank pressure drops
as you continue to use your accessory. When the air tank
pressure drops to a certain low level the motor will restart
automatically. The low pressure at which the motor automatically
re-starts is called “cut-in pressure.”
Cut-Out Pressure: When you turn on your air compressor and
it 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."
To Lock Out Power: Place a lock on the line power switch so
no one else can turn on the power.
DUTY CYCLE
All DeVilbiss Air Power manufactured air compressors should
be operated on not more than a 50% duty cycle. This means
an air compressor that pumps more than 50% of one hour, is
INSTALLATION
Location of the Air Compressor
THE MANIFOLD ASSEMBLY DOES NOT PROVIDE ADEQUATE STABILITY OR SUPPORT FOR
LIFTING THE UNIT. IF THE OUTFIT MUST BE
MOVED, USE THE AIR TANK FOR LIFTING.
This air compressor should be permanently mounted in a place
on a level floor. Operate the air compressor in a clean, dry and
well ventilated area. The air intake filter must be kept clear of
obstructions which could reduce air delivery of the air compressor.
The air compressor should be located at least 12 inches away
from walls or other obstructions that could interfere with the
flow of air through the fan bladed flywheel. The air compressor
crankcase and head are designed with fins to provide proper
cooling.
considered misuse, because the air compressor is undersized
for the required air demand. Maximum air compressor pumping
time per hour is 30 minutes.
The flywheel side of the outfit should be placed toward the wall
and protected with a totally enclosed belt guard. In no case
should the flywheel be closer than 12 to 18 inches from the wall
or other obstruction that will interfere with the flow of air
through the fan bladed flywheel. The area should allow space
on all sides for air circulation and for ease of normal maintenance. Keep the outfit away from areas which have dirt, vapor
and volatile fumes in the atmosphere which may clog and gum
up the intake filter and valves, causing inefficient operation.
Where this is not practical a remote air intake is recommended.
Note
Where a remote air intake is used, enlarge the size
of the air intake piping by one pipe size for each 10
feet of length.
7
MG6-OLVERT-3B Rev. 2 6/27/00
INSTALLATION (cont'd)
If humidity is high, an air filter can be installed to remove
excessive moisture. Closely follow instructions packaged with
the filter for proper installation. It must be installed as close as
possible to the accessory.
The air compressor should be as near to air outlets as possible
in order to avoid long pipe lines. Do not place the air compressor
where heat is excessive.
Do not use an extension cord. To avoid voltage drop and power
loss to the motor, use extra air hose instead of an extension cord.
Low voltage can cause damage to the motor.
Air Compressor Anchoring Methods
VIBRATION CAN WEAKEN THE AIR TANK
AND CAUSE AN EXPLOSION. THE AIR
COMPRESSOR MUST BE PROPERLY
MOUNTED AS ILLUSTRATED BELOW.
This air compressor must be bolted to the floor. Bolting holes
are provided in the base feet. Mount the air compressor on a
solid, level foundation. Support air compressor weight evenly
on all four feet. Solid shims may be used if necessary.
3/8 FLAT
ISOLATOR WASHER
(If SUPPLIED)
Do not operate air compressor without air filter
assembly installed as this will cause damage to
the outfit.
Wiring Instructions
Perform electrical wiring according to the following instructions:
IMPROPER ELECTRICAL GROUNDING CAN
RESULT IN A RISK OF ELECTRICAL SHOCK.
WIRING FOR THE PRESSURE SWITCH AND
ELECTRICAL MOTOR SHOULD BE DONE BY A
LICENSED ELECTRICIAN IN ACCORDANCE
WITH NATIONAL AND LOCAL CODES AND
ORDINANCES.
Install the air compressor outfit as close to the main power
supply as possible. This practice will avoid using long lengths
of electrical wiring for the power supply which can cause power
loss to the motor. When connecting wires make sure that:
1. The amperage rating of the electrical box is adequate.
2. The supply line has the same electrical characteristics
(voltage, cycle, and phase) as motor.
Refer to the Specification Chart in the Outfit Parts Manual for
your air compressor outfit.
NOTE: THESE OUTFITS DO NOT INCLUDE ANY
WIRING BECAUSE OF VARIOUS INSTALLATION
REQUIREMENTS.
Wiring must be such that full motor nameplate voltage plus
or minus 10%, is available at the motor terminals during
starting. Refer to local codes for recommended wire sizes for
correct wire size and maximum wire run; undersize wire
causes high amp draw and overheating to the motor.
To Install Air Filter
(if equipped)
Attach elbow to pump using bolts provided. Tighten until
snug. Insert threaded end of air filter assembly into elbow
and tighten until snug.
MG6-OLVERT-3B Rev. 2 6/27/00
Electrical wiring must be located away from hot
surfaces such as the air compressor head,
compressor cylinder, or compressor outlet tube.
Typical Wiring Of Air compressor Units with 60, 80,
and 120 Gallons Capacity
(IF REQUIRED,
SEE OUTFIT
PARTS MANUAL)
8
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