DeVilbiss MG4-OLENG-2B User Manual
GENERAL MANUAL FOR
OIL LUBRICATED
SINGLE STAGE
GASOLINE ENGINE
AIR COMPRESSOR
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MG4-OLENG-2B 5/1/99
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materials, or on land covered with materials such as agricultural crops, forest, brush, grass, or other similar
items, then an approved spark arrester must be installed and is legally required in the state of California. It is a
violation of California statutes section 130050 and/or sections 4442 and 4443 of the California Public Resources
Code, unless the engine is equipped with a spark arrestor, as defined in section 4442, and maintained in effective
working order. Spark arresters are also required on some U. S. Forest service land and may also be legally
required under other statutes and ordinances.
Engine exhaust from this product contains chemicals known, in certain quantities, to cause cancer, birth defects or
other reproductive harm.
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213 Industrial Dr. • Jackson, TN 38301
TABLE OF CONTENTS
Page
SAFETY GUIDELINES...................................... 2
WARRANTY STATEMENT .............................. 3
WARNING CHART ........................................ 4-5
GLOSSARY ....................................................... 6
DUTY CYCLE.................................................... 6
GENERAL INFORMATION .............................. 6
DESCRIPTION OF OPERATION ..................... 7
ON-RECEIPT INSPECTION ............................ 7
ASSEMBLY INSTRUCTIONS .......................... 8
Items Needed for Assembly ....................... 8
Installing Handle, Foot Extension
Bracket, Wheels, Outlet Valve ..................... 8
INSTALLATION AND BREAK-IN
PROCEDURES ............................................ 9-11
Location of the Air Compressor .................. 9
Permanent Installation ................................. 9
Lubrication, Oil and Gasoline ................. 9-10
Break-in Procedures ............................. 10-11
Page
OPERATING PROCEDURES ....................... 11
Daily Start-Up Checklist ........................... 11
MAINTENANCE ....................................... 12-15
Routine Maintenance Schedule ................ 12
Air Compressor ........................................ 13
Compressor Pump Air Intake
Filter - Inspection and Replacement ........ 13
Compressor Oil - Checking and
Changing ................................................... 13
Check Valve - Inspection and
Replacement ............................................. 13
Safety Valve - Inspection and
Replacement ............................................. 13
Engine - Oil Change and Air Cleaner ........ 14
Engine - Adjustments ............................... 14
Belt - Replacement ................................... 15
Pulley and Flywheel - Alignment .............. 15
Storage ..................................................... 15
TROUBLESHOOTING GUIDE .......... 16-17
SERVICE NOTES ............................... 18-19
HOW TO ORDER REPAIR
PARTS ...................................... Back Cover
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 EQUIP-
MENT PROBLEMS. To help you recognize this information, we use the symbols to the right. Please read the
manual and pay attention to these sections.
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
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.
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.
10/2/97
2
LIMITED WARRANTY
ONE YEAR FROM DATE OF PURCHASE
All merchandise manufactured by DeVilbiss Air Power Company/ExCell 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/ExCell Manufacturing will repair or replace, at DeVilbiss/ExCell’s 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/ExCell 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):
o
Retain original cash register sales receipt as proof of purchase for warranty work.
o
Use reasonable care in the operation and maintenance of the product as described in the Owners Manual(s).
o
Deliver or ship the product to the nearest DeVilbiss Air Power/ExCell Manufacturing Authorized Warranty
Service Center. Freight costs, if any, must be paid by the purchaser.
o
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.
o
If the purchaser does not receive satisfactory results from the Authorized Warranty Service Center, the purchaser
should contact DeVilbiss Air Power Company/ExCell Manufacturing.
THIS WARRANTY DOES NOT COVER:
o
Merchandise sold as reconditioned, floor models and/or display models. Any damaged or incomplete equipment
sold "as is".
o
Merchandise used as "rental" equipment.
o
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.
o
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.
o
Merchandise sold by DeVilbiss Air Power/ExCell Manufacturing which has been manufactured by and identified
as the product of another company. The product manufacturer's warranty will apply.
o
Repair and transportation costs of merchandise determined not to be defective.
o
Cost associated with assembly, required oil, adjustments or other installation and start-up cost.
o
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.
o
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-F - 10/28/97
213 Industrial Drive • Jackson, TN 38301-9615
Telephone: 1-800-888-2468 , Ext. 2
FAX: 1-800-888-9036
3
HAZARD
IMPORTANT SAFETY INSTRUCTIONS
• SAVE THESE INSTRUCTIONS •
IMPROPER OPERATION OR MAINTENANCE OF THIS PRODUCT COULD RESULT
IN SERIOUS INJURY AND PROPERTY DAMAGE. READ AND UNDERSTAND ALL
WARNINGS AND OPERATING INSTRUCTIONS BEFORE USING THIS EQUIPMENT.
WHAT CAN HAPPEN
HOW TO PREVENT IT
RISK OF
EXPLOSION OR FIRE
RISK OF BURSTING
GASOLINE AND GASOLINE VAPORS CAN
BECOME IGNITED BY COMING INTO CON-
TACT WITH HOT COMPONENTS SUCH AS THE
MUFFLER, FROM ENGINE EXHAUST GASES,
OR FROM AN ELECTRICAL SPARK.
COMBUSTIBLE MATERIALS WHICH COME
INTO CONTACT WITH HOT ENGINE PARTS
CAN BECOME IGNITED.
UNATTENDED OPERATION OF THIS PRODUCT COULD RESULT IN PERSONAL INJURY
OR PROPERTY DAMAGE.
AIR TANK
THE FOLLOWING CONDITIONS COULD
LEAD TO A WEAKENING OF THE TANK, AND
RESULT IN A VIOLENT TANK EXPLOSION:
1. FAILURE TO PROPERLY DRAIN
CONDENSED WATER FROM THE TANK,
CAUSING RUST AND THINNING OF THE
STEEL TANK.
2. MODIFICATIONS OR ATTEMPTED
REPAIRS TO THE TANK.
3. UNAUTHORIZED MODIFICATIONS TO
THE UNLOADER VALVE, SAFETY
VALVE, OR ANY OTHER COMPONENTS
WHICH CONTROL TANK PRESSURE.
4. EXCESSIVE VIBRATION CAN WEAKEN
THE AIR TANK AND CAUSE RUPTURE OR
EXPLOSION. EXCESSIVE VIBRATION
WILL OCCUR IF THE COMPRESSOR IS
NOT PROPERLY MOUNTED OR IF THE
ENGINE OPERATES ABOVE RECOMMENDED RPM.
TURN ENGINE OFF AND ALLOW IT TO
COOL BEFORE ADDING FUEL TO THE
TANK. EQUIP AREA OF OPERATION WITH A
FIRE EXTINGUISHER CERTIFIED TO HANDLE
GASOLINE OR FUEL FIRES.
ADD FUEL OUTDOORS OR IN A WELL
VENTILATED AREA. MAKE SURE THERE ARE
NO SOURCES OF IGNITION, SUCH AS
CIGARETTES NEAR REFUELING LOCATION.
OPERATE COMPRESSOR IN AN OPEN AREA
AWAY FROM DRY BRUSH, WEEDS OR
OTHER
STORE FUEL IN A SECURE LOCATION AWAY
FROM COMPRESSOR.
ALWAYS REMAIN IN ATTENDANCE WITH
THE PRODUCT WHEN IT IS OPERATING.
DRAIN TANK DAILY OR AFTER EACH USE.
IF TANK DEVELOPS A LEAK, REPLACE IT
IMMEDIATELY WITH A NEW TANK OR NEW
COMPRESSOR OUTFIT.
NEVER DRILL INTO, WELD, OR MAKE ANY
MODIFICATIONS TO THE TANK OR ITS
ATTACHMENTS.
THE TANK IS DESIGNED TO WITHSTAND
SPECIFIC OPERATING PRESSURES. NEVER
MAKE ADJUSTMENTS OR PARTS SUBSTITUTIONS TO ALTER THE FACTORY SET
OPERATING PRESSURES.
DO NOT REMOVE THE STIFFENER BAR
CONNECTING THE COMPRESSOR PUMP TO
THE ENGINE, EXCEPT TO ADJUST BELT
TENSION, THEN SECURELY TIGHTEN THE
STIFFNER BAR NUTS. THIS BAR CON-
TROLS OUTFIT VIBRATION.
COMBUSTIBLE MATERIALS.
ATTACHMENTS & ACCESSORIES
EXCEEDING THE PRESSURE RATING OF AIR
TOOLS, SPRAY GUNS, AIR OPERATED
ACCESSORIES, TIRES AND OTHER
INFLATABLES CAN CAUSE THEM TO EX-
PLODE OR FLY APART, AND COULD RESULT
IN SERIOUS INJURY.
4
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.
HAZARD
WHAT CAN HAPPEN
HOW TO PREVENT IT
RISK FROM
FLYING OBJECTS
RISK TO BREATHING
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.
BREATHING EXHAUST FUMES FROM
ENGINE WILL CAUSE SERIOUS INJURY OR
DEATH.
THE COMPRESSED AIR FROM YOUR COM-
PRESSOR IS NOT SAFE FOR BREATHING!
THE AIR STREAM MAY CONTAIN CARBON
MONOXIDE, TOXIC VAPORS OR SOLID
PARTICLES FROM THE TANK.
SPRAYED MATERIALS SUCH AS PAINT,
PAINT SOLVENTS, PAINT REMOVER, INSECTICIDES, WEED KILLERS, ETC.. CONTAIN
HARMFUL VAPORS AND POISONS.
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 TANK
MAINTENANCE,
ACCESSORIES.
ALWAYS
CLEAN, WELL VENTILATED AREA. AVOID
ENCLOSED AREAS SUCH AS GARAGES,
BASEMENTS, STORAGE SHEDS, ETC., WHICH
LACK A STEADY EXCHANGE OF AIR. NEVER
OPERATE UNIT IN ENCLOSED LOCATIONS
OCCUPIED BY HUMANS OR ANIMALS. KEEP
CHILDREN, PETS AND OTHERS AWAY FROM
AREA OF OPERATION.
NEVER INHALE AIR FROM THE COMPRESSOR EITHER DIRECTLY OR FROM A BREATH-
ING DEVICE CONNECTED TO THE COMPRESSOR.
WORK IN AN AREA WITH GOOD CROSSVENTILATION. READ AND FOLLOW THE
SAFETY INSTRUCTIONS PROVIDE 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.
OPERATE AIR COMPRESSOR IN A
BEFORE ATTEMPTING
ATTACHING TOOLS OR
RISK FROM
MOVING PARTS
RISK OF BURNS
THE ENGINE CAN START ACCIDENTALLY IF
THE FLYWHEEL IS TURNED BY HAND OR
MOVED BY PULLING ON THE STARTER
ROPE.
MOVING PARTS SUCH AS THE PULLEY,
FLYWHEEL AND BELT CAN CAUSE SERI-
OUS 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.
TOUCHING EXPOSED METAL SUCH AS THE
COMPRESSOR HEAD OR OUTLET TUBES OR
CONTACT WITH HOT ENGINE PARTS SUCH
AS THE MUFFLER CAN RESULT IN SERIOUS
BURNS.
THE GASOLINE ENGINE , THE ENGINE
MUFFLER, THE COMPRESSOR HEAD AND
TUBING BECOME VERY HOT DURING
OPERATION.
ALWAYS DISCONNECT THE SPARK PLUG
AND BLEED PRESSURE FROM THE TANK
BEFORE PERFORMING MAINTENANCE.
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.
NEVER TOUCH ANY EXPOSED METAL
PARTS ON ENGINE OR COMPRESSOR
DURING OR IMMEDIATELY AFTER OPERATION. ENGINE AND 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.
GCOLTM — 7/23/97
5
GLOSSARY
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.
CFM: Cubic feet per minute.
California Code: Unit may comply with California Code
462 (L) (2)/(M) (2). Specification/model label is on the
side of the tank on units that comply with California
Code.
Unloader Blow-Off Pressure: All models are continuously running outfits controlled by tank pressure. When
the maximum tank pressure is obtained, the unloader
valve will blow-off. This will cause the compressor to
exhaust the air to the atmosphere and not the tank. This
decreases the load on the engine and allows it to run at
a near no-load condition.
Unloader Reset Pressure: When the tank pressure
drops to a pre-determined point, the unloader valve
closes. The tank pressure will now increase until it
reaches the unloader blow-off pressure.
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 considered misuse, because the air compressor
is undersized for the required air demand. Maximum compressor pumping time per hour is 30 minutes.
GENERAL INFORMATION
You have purchased an air compressor unit consisting
of a 2 cylinder, single-stage air compressor pump, an
air tank, wheels, handle, associated controls and instruments. You may also find an air chuck.
Your air compressor can be used for operating paint
spray guns, air tools, caulking guns, grease guns, air
brushes, sandblasters, inflating tires and plastic toys,
spraying weed killers, insecticides, etc. An air pressure
regulator is recommended for most of these applications.
Separate air transformers which combine the functions
of air regulation and/or moisture and dirt removal should
be used where applicable.
6
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