DeVillbiss MG7-OFTWIN, MG7-OFTWIN User Manual

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GENERAL MANUAL FOR

PERMANENTLY LUBRICATED TWIN CYLINDER AIR COMPRESSORS

TABLE OF CONTENTS

SAFETY GUIDELINES .......................................................

1

WARRANTY STATEMENT .................................................

2

WARNING CHART .........................................................

3-4

GLOSSARY ........................................................................

5

DUTY CYCLE .....................................................................

5

GENERAL INFORMATION ................................................

5

ON-RECEIPT INSPECTION ..............................................

5

DESCRIPTION OF OPERATION .......................................

6

ASSEMBLY (PORTABLE UNITS) ......................................

6

Tools Needed for Assembly .........................................

6

Installing Wheels, Handles

 

Rubber Foot Strip .........................................................

6

INSTALLATION AND BREAK-IN

 

PROCEDURES ..............................................................

7-9

Location of Air Compressor ........................................

7

Removal of Shipping Boards and

 

Installation for Stationary Unit ....................................

7

Lubrication and Oil .....................................................

7

Extension Cords .........................................................

7

Voltage and Current Protection ..................................

8

Piping .........................................................................

8

Grounding Instructions – (Portable) ...........................

8

Additional Regulators & Controls ...............................

8

Break-in Procedures ...................................................

8

Wiring Instructions-(Stationary) .................................

9

Grounding Instructions (Stationary) ...........................

9

OPERATING PROCEDURES ...........................................

9

Daily Start-up Checklist ..............................................

9

MAINTENANCE ................................................................

10

Air Filter - Inspection and Replacement ......................

10

Safety Valve - Inspection ............................................

10

Motor ..........................................................................

10

Check Valve Replacement ...........................................

10

STORAGE ..........................................................................

11

TROUBLESHOOTING GUIDE ....................................

12-13

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.

URGENT SAFETY INFORMATION - A HAZARD

Information for preventing damage to

THAT WILL CAUSE SERIOUS INJURY OR LOSS

equipment.

OF LIFE.

 

IMPORTANT SAFETY INFORMATION - A Information that you should pay speHAZARD THAT MIGHT CAUSE SERIOUS cial attention to.

INJURY OR LOSS OF LIFE.

Callour TollFreeNumber1-800-888-2468,Ext2,then1,toobtainthelocationofthenearestAuthorizedService 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.

DeVilbiss Air Power Company • 213 Industrial Drive • Jackson, TN 38301-9615

MG7-OFTWIN REV. 11/5/98

LIMITED WARRANTY

ONE YEAR FROM DATE OF PURCHASE

All merchandise manufactured by DeVilbiss Air Power Company 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 will repair or replace, at DeVilbiss'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 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 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.

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 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.

DeVilbiss Air Power Company

213 Industrial Drive • Jackson, TN 38301-9615 • Telephone: 1-800-888-2468 , Ext. 2 • FAX: 1-800-888-9036

Form: SP-100-E - 4/25/96

2 — ENG

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.

 

 

HAZARD

WHAT CAN HAPPEN

 

HOW TO PREVENT IT

 

RISK OF BURSTING

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

DRAIN TANK DAILY OR AFTER EACH USE. IF

 

 

 

 

CONDENSED WATER FROM THE TANK,

TANK DEVELOPS A LEAK, REPLACE IT

 

 

 

 

CAUSING RUST AND THINNING OF THE

IMMEDIATELY WITH A NEW TANK OR NEW

 

 

 

 

STEEL TANK.

COMPRESSOR OUTFIT.

 

 

 

 

 

 

 

2. MODIFICATIONS OR ATTEMPTED

NEVER DRILL INTO, WELD, OR MAKE ANY

 

 

 

 

REPAIRS TO THE TANK.

MODIFICATIONS TO THE TANK OR ITS

 

 

 

 

 

ATTACHMENTS.

 

 

 

 

 

 

 

 

3. UNAUTHORIZED MODIFICATIONS TO THE

THE TANK IS DESIGNED TO WITHSTAND

 

 

 

 

PRESSURE SWITCH, SAFETY VALVE, OR

SPECIFIC OPERATING PRESSURES.

NEVER

 

 

 

 

ANY OTHER COMPONENTS WHICH

MAKE ADJUSTMENTS OR PARTS SUBSTITU-

 

 

 

 

CONTROL TANK PRESSURE.

TIONS TO ALTER THE FACTORY SET

 

 

 

 

 

OPERATING PRESSURES.

 

 

 

 

 

 

 

ATTACHMENTS & ACCESSORIES

 

 

 

 

 

 

 

 

 

 

EXCEEDING THE PRESSURE RATING OF AIR

FOLLOW THE EQUIPMENT MANUFACTURERS

 

 

 

 

TOOLS, SPRAY GUNS, AIR OPERATED ACCES-

RECOMMENDATION AND NEVER

 

 

 

 

 

 

SORIES, TIRES AND OTHER INFLATABLES CAN

EXCEED THE MAXIMUM ALLOWABLE PRES-

 

 

 

 

CAUSE THEM TO EXPLODE OR FLY APART, AND

SURE RATING OF

ATTACHMENTS.

NEVER

 

 

 

 

COULD RESULT IN SERIOUS INJURY.

USE COMPRESSOR TO INFLATE SMALL

 

 

 

 

 

LOW-PRESSURE OBJECTS SUCH AS

 

 

 

 

 

CHILDREN’S TOYS, FOOTBALLS,

 

 

 

 

 

 

BASKETBALLS. ETC.

 

 

 

 

 

 

 

 

 

 

 

RISK OF

IT IS NORMAL FOR ELECTRICAL CONTACTS

ALWAYS OPERATE THE COMPRESSOR IN A

 

 

WITHIN THE MOTOR AND PRESSURE SWITCH

WELL VENTILATED AREA FREE OF COMBUS-

EXPLOSION OR FIRE

TO SPARK.

TIBLE MATERIALS, GASOLINE OR SOLVENT

 

 

 

 

 

VAPORS.

 

 

 

 

 

 

 

 

IF ELECTRICAL SPARKS FROM COMPRESSOR

IF SPRAYING FLAMMABLE MATERIALS, LO-

 

 

 

 

COME INTO CONTACT WITH FLAMMABLE

CATE COMPRESSOR AT LEAST 20 FEET

 

 

 

 

VAPORS, THEY MAY IGNITE, CAUSING FIRE OR

AWAY FROM SPRAY AREA. AN ADDITIONAL

 

 

 

 

EXPLOSION.

LENGTH OF HOSE MAY BE REQUIRED.

 

 

 

 

 

 

STORE FLAMMABLE MATERIALS IN A

 

 

 

 

 

SECURE LOCATION AWAY FROM COM-

 

 

 

 

 

 

 

 

 

 

PRESSOR.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RESTRICTING ANY OF THE COMPRESSOR

NEVER PLACE OBJECTS AGAINST OR ON

 

 

 

 

VENTILATION OPENINGS WILL CAUSE SERI-

TOP OF

COMPRESSOR.

OPERATE

COM-

 

 

 

 

OUS OVERHEATING AND COULD CAUSE FIRE.

PRESSOR IN AN OPEN AREA AT LEAST 12

 

 

 

 

 

INCHES

AWAY FROM

ANY

WALL OR

 

 

 

 

 

OBSTRUCTION THAT WOULD RESTRICT THE

 

 

 

 

 

 

 

 

 

 

FLOW OF FRESH AIR TO THE VENTILATION

 

 

 

 

 

OPENINGS.

 

 

 

 

 

 

 

 

 

 

 

 

RISK OF

YOUR AIR COMPRESSOR IS POWERED BY

NEVER OPERATE THE COMPRESSOR OUT-

ELECTRICAL SHOCK

ELECTRICITY. LIKE ANY OTHER ELECTRICALLY

DOORS

WHEN IT

IS RAINING

OR IN WET

POWERED DEVICE, IF IT IS NOT USED

CONDITIONS.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PROPERLY IT MAY CAUSE ELECTRIC SHOCK.

NEVER

OPERATE

COMPRESSOR

WITH

 

 

 

 

 

 

 

 

 

 

 

 

 

 

COVER COMPONENTS REMOVED OR DAM-

 

 

 

 

 

AGED.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CONTINUE NEXT PAGE *

3 — ENG

 

 

HAZARD

WHATCANHAPPEN

 

 

HOW TO PREVENT IT

 

 

 

 

 

 

 

 

 

RISK OF

REPAIRS ATTEMPTED BY UNQUALIFIED PER-

ANY ELECTRICAL WIRING OR REPAIRS RE-

 

ELECTRICAL SHOCK

SONNEL CAN RESULT IN SERIOUS INJURY OR

QUIRED ON THIS PRODUCT SHOULD BE

 

DEATH BY ELECTROCUTION.

 

PERFORMED BY AUTHORIZED SERVICE CEN-

 

 

(cont’d)

 

 

 

TER PERSONNEL IN ACCORDANCE WITH

 

 

 

 

ELECTRICAL

GROUNDING:

FAILURE TO

NATIONAL AND LOCAL ELECTRICAL CODES.

 

 

 

 

MAKE CERTAIN THAT THE ELECTRICAL

 

 

 

 

PROVIDE ADEQUATE GROUNDING TO THIS

CIRCUIT TO WHICH THE COMPRESSOR IS

 

 

 

 

PRODUCT COULD RESULT IN SERIOUS

CONNECTED PROVIDES PROPER ELECTRICAL

 

 

 

 

INJURY OR DEATH FROM ELECTROCUTION.

GROUNDING, CORRECT VOLTAGE AND AD-

 

 

 

 

SEE GROUNDING INSTRUCTIONS.

EQUATE FUSE PROTECTION.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RISK FROM

THE COMPRESSED AIR STREAM CAN CAUSE

ALWAYS WEAR ANSI Z87.1 APPROVED SAFETY

 

 

SOFT TISSUE DAMAGE TO EXPOSED SKIN AND

GLASSES WITH SIDE SHIELDS WHEN USING

 

FLYING OBJECTS

CAN PROPEL DIRT, CHIPS, LOOSE PARTICLES

THE COMPRESSOR.

 

 

 

 

 

 

 

AND SMALL OBJECTS AT HIGH SPEED,

 

 

 

 

 

 

 

 

 

 

 

RESULTING IN PROPERTY DAMAGE OR PER-

NEVER POINT ANY NOZZLE OR SPRAYER

 

 

 

 

 

 

 

 

SONAL INJURY.

 

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

BEFORE

ATTEMPTING

MAINTENANCE,

 

 

 

 

 

 

 

ATTACHING TOOLS OR ACCESSORIES.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RISK TO BREATHING

THE COMPRESSED AIR FROM

YOUR COM-

NEVER INHALE AIR FROM THE COMPRESSOR

 

 

 

 

PRESSOR IS NOT SAFE FOR BREATHING! THE

 

 

 

 

EITHER

 

DIRECTLY OR

FROM

A BREATHING

 

 

 

 

AIR STREAM MAY CONTAIN CARBON MONOX-

 

 

 

 

 

DEVICE CONNECTED TO THE COMPRESSOR.

 

 

 

 

IDE, TOXIC VAPORS OR SOLID PARTICLES.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SPRAYED MATERIALS SUCH AS PAINT, PAINT

WORK

IN AN

AREA

WITH

GOOD CROSS-

 

 

 

 

VENTILATION. READ AND FOLLOW THE SAFETY

 

 

 

 

SOLVENTS,

PAINT REMOVER,

INSECTICIDES,

 

 

 

 

INSTRUCTIONS PROVIDED ON THE LABEL OR

 

 

 

 

WEED KILLERS, ETC.. CONTAIN HARMFUL

 

 

 

 

SAFETY

DATA

SHEETS

FOR

THE MATERIAL

 

 

 

 

VAPORS AND POISONS.

 

 

 

 

 

 

YOU ARE SPRAYING.

USE A NIOSH/MSHA

 

 

 

 

 

 

 

 

 

 

 

 

 

 

APPROVED RESPIRATOR DESIGNED FOR USE

 

 

 

 

 

 

 

WITH

 

YOUR

SPECIFIC

APPLICATION.

 

 

 

 

 

 

 

RISK OF FALLING

A PORTABLE COMPRESSOR CAN FALL FROM

ALWAYS OPERATE COMPRESSOR IN A STABLE

 

 

 

 

A TABLE, WORKBENCH OR ROOF CAUSING

SECURE POSITION TO PREVENT ACCIDENTAL

 

 

 

 

DAMAGE TO THE COMPRESSOR WHICH

MOVEMENT OF THE UNIT. NEVER OPERATE

 

 

 

 

COULD RESULT IN SERIOUS INJURY.

COMPRESSOR ON A ROOF OR OTHER

 

 

 

 

 

 

 

ELEVATED POSITION. USE ADDITIONAL AIR

 

 

 

 

 

 

 

HOSE TO REACH HIGH LOCATIONS.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RISK FROM

THE COMPRESSOR CYCLES AUTOMATICALLY

ALWAYS TURN OFF THE COMPRESSOR, BLEED

 

MOVING PARTS

WHEN THE PRESSURE SWITCH IS IN THE ON/

PRESSURE FROM THE AIR HOSE AND TANK,

 

AND UNPLUG

FROM

ELECTRICAL OUTLET

 

 

 

 

AUTO POSITION.

 

 

 

 

 

 

BEFORE

PERFORMING MAINTENANCE

OR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ATTACHING TOOLS AND ACCESSORIES.

 

 

 

 

 

MOVING PARTS CAN CAUSE SERIOUS INJURY

DO NOT REMOVE THE PROTECTIVE COVERS

 

 

 

 

OR DAMAGE IF THEY COME INTO CONTACT

FROM THIS PRODUCT.

NEVER OPERATE THE

 

 

 

 

WITH YOU OR YOUR CLOTHING.

 

COMPRESSOR WITH GUARDS OR COVERS

 

 

 

 

ATTEMPTING TO OPERATE OR REPAIR

WHICH ARE DAMAGED OR REMOVED.

 

 

 

 

 

 

 

 

 

 

ANY REPAIRS REQUIRED ON THIS PRODUCT

 

 

 

 

COMPRESSOR WITH PROTECTIVE SHROUDS

SHOULD BE PERFORMED BY AUTHORIZED

 

 

 

 

REMOVED CAN EXPOSE YOU TO MOVING

SERVICE CENTER PERSONNEL.

 

 

 

 

 

PARTS AND ELECTRICAL SHOCK.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RISK OF BURNS

TOUCHING EXPOSED METAL SUCH AS THE

NEVER TOUCH ANY EXPOSED METAL PARTS

 

COMPRESSOR HEAD OR OUTLET TUBE CAN

ON COMPRESSOR DURING OR IMMEDIATELY

 

 

 

 

 

 

 

 

RESULT IN SERIOUS BURNS.

 

AFTER

 

OPERATION.

COMPRESSOR

WILL

 

 

 

 

 

 

 

 

 

 

 

 

 

REMAIN HOT FOR SEVERAL MINUTES AFTER

 

 

 

 

 

 

 

OPERATION.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TMPCPOL — 5/1/97

4 — ENG

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 ASME.

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.

Cut-In Pressure: While the motor is off, air tank pressure drops as you continue to use your accessory or air tool.

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 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.”

U.L. Listed: Products with the U.L. mark are listed by Underwriters Laboratories, Inc. (U.L.). Samples of these products have been evaluated by U.L. and meet the applicable U.L. standards for safety.

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 air 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, and associated controls and instruments.

This air compressor requires no oil. Now you can enjoy all the benefits of having an air compressor without ever having to purchase, add or change oil.

Your air compressor can be used for operating paint spray

guns, air tools, caulking guns, grease guns, air brushes, sandblaster, or inflating tires and plastic toys, spraying weed killers, insecticides, etc. An air pressure regulator is necessary 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..

ON-RECEIPT INSPECTION

DAMAGE: Each air compressor outfit is carefully tested and checked before shipment. With improper handling, damage may result in transit and cause problems in 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. If this product was shipped directly to you, report any damages to carrier and arrange for inspection of goods immediately.

5 — ENG

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