© Miller Diving All Rights Reserved Document # 030715001
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MILLER 400 DIVING HELMET OPERATIONS AND MAINTENANCE MANUAL
Part # 100-900
TABLE OF CONTENTS
WARRANTY ............................................................................................................................... 3
DEFINITIONS OF SIGNAL WORDS ........................................................................................ 4
IMPORTANT SAFETY INFORMATION .................................................................................. 5
SECTION 1:
GENERAL INFORMATION
GENERAL DESCRIPTION OF MILLER 400 ................................................ 7
SECTION 2:
OPERATING INSTRUCTIONS AND PROCEDURES
DRESSING INTO THE MILLER HELMET ....................................................8
OPERATING INSTRUCTIONS .......................................................................9
EMERGENCY PROCEDURES ........................................................................9
RECOMMENDED MATERIALS FOR MAINTENANCE .............................10
SECTION 3:
DESCRIPTIONS, MAINTENANCE AND REPLACEMENT
FACE PLATE AND FACE RING .....................................................................12
NOSE CLEARING DEVICE ............................................................................13
FREEFLOW MANIFOLD ................................................................................14
DEMAND REGULATOR ................................................................................18
COMMUNICATIONS SYSTEM ......................................................................22
WELDING SHIELD (optional) ........................................................................22
PREVENTATIVE MAINTENANCE ...............................................................22
MILLER 400 PARTS LIST AND EXPLODED VIEW ....................................24
MILLER PRODUCT LINE
MILLER WEIGHT BELTS .........................................................................................................26
MILLER DIVING HARNESS ....................................................................................................26
MILLER BACKPACKS ...............................................................................................................27