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

MG7-OFTWIN    REV. 11/5/98

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

TABLE OF CONTENTS

SAFETY GUIDELINES - DEFINITIONS

Information for preventing damage to
equipment.

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 informa-
tion, we use the symbols to the
right. Please read the manual and
pay attention to these sections.

URGENT SAFETY INFORMATION - A HAZARD
THAT WILL CAUSE SERIOUS INJURY OR LOSS
OF  LIFE.

Information that you should pay spe-
cial attention to.

IMPORTANT SAFETY INFORMATION - A
HAZARD THAT 

MIGHT 

CAUSE SERIOUS

INJURY OR LOSS OF LIFE.

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.

GENERAL MANUAL FOR

PERMANENTLY LUBRICATED

TWIN CYLINDER AIR COMPRESSORS

Summary of Contents for MG7-OFTWIN

Page 1: ...E 12 13 TABLE OF CONTENTS SAFETY GUIDELINES DEFINITIONS Information for preventing damage to equipment This manual contains information that is important for you to know and understand This informatio...

Page 2: ...er 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 exc...

Page 3: ...ER 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 SUBSTITU TIONS TO ALTER THE F...

Page 4: ...RMED BY AUTHORIZED SERVICE CEN TER PERSONNEL IN ACCORDANCE WITH NATIONAL AND LOCAL ELECTRICAL CODES MAKE CERTAIN THAT THE ELECTRICAL CIRCUIT TO WHICH THE COMPRESSOR IS CONNECTED PROVIDES PROPER ELECTR...

Page 5: ...ociety of Mechanical Engineers made tested inspectedandregisteredtomeetthestandardsofASME California Code Unit may comply with California Code 462 L 2 M 2 Specification modellabelisonthesideofthetanko...

Page 6: ...rom a higher to a lower setting first reduce to some pressure less than that desired then bring up to the desired pressure Depending on the air requirements of eachparticularaccessory theoutletregulat...

Page 7: ...an extension cord must be used do not use with any permanently mounted air compressor use only a 3 wire extension cord that has a 3 blade grounding plug and a 3 slot receptacle that will accept the p...

Page 8: ...hecompressorisproperlygrounded have the installation checked by a qualified electrician GROUNDING INSTRUCTION Portable Units RISK OF ELECTRICAL SHOCK In the event of a shortcircuit groundingreducesthe...

Page 9: ...to OFF and the air regulator or globe valve is closed 2 Attach hose and accessories TOO MUCH AIR PRESSURE CAUSES A HAZARD OUSRISKOFBURSTING CHECKTHEMANUFAC TURER SMAXIMUMPRESSURERATINGFORAIR TOOLS AND...

Page 10: ...w the check valve turn counterclockwise using a socketwrench 6 Check that the valve disc moves freely inside the check valveandthatthespringholdsthediscintheupper closed position The check valve may b...

Page 11: ...oosely around the compressor handle 3 Store the air compressor in a clean and dry location Before you store the air compressor make sure you do the following 1 Review the Maintenance and Operating Pro...

Page 12: ...you need a larger compressor Clean or replace air intake filter Do not operate the air compressor with the filter removed See page 8 Check and replace if required Remove and clean or replace Tighten...

Page 13: ...and terminal box area Contact an Authorized Warranty Service Center for inspection or replacement if necessary Have checked by an Authorized Warranty Service Center Do not operate the compressor in th...

Page 14: ...14 ENG SERVICE NOTES NOTAS DE SERVICIO NOTES SUR LE SERVICE...

Page 15: ...15 ENG SERVICE NOTES NOTAS DE SERVICIO NOTES SUR LE SERVICE...

Page 16: ...DeVilbiss Air Power Company 213 Industrial Drive Jackson TN 38301 9615 GENERAL MANUAL FOR PERMANENTLY LUBRICATED TWIN CYLINDER AIR COMPRESSORS SERVICE NOTES...

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