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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