Miller MILLER 400 DIVING HELMET Maintenance Manual Download Page 1 | Manualshive

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© Miller Diving All Rights Reserved Document # 030715001

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MILLER DIVING EQUIPMENT

INC.

Miller 400 Diving Helmet

Maintenance Manual

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Summary of Contents for MILLER 400 DIVING HELMET

Page 1: ...Miller Diving All Rights Reserved Document 030715001 1 MILLER DIVING EQUIPMENT INC Miller 400 Diving Helmet Maintenance Manual...

Page 2: ...URES 9 2 E RECOMMENDED MATERIALS FOR MAINTENANCE 10 SECTION 3 DESCRIPTIONS MAINTENANCE AND REPLACEMENT 3 A HELMET SHELL 12 3 B FACE PLATE AND FACE RING 12 3 C NOSE CLEARING DEVICE 13 3 D ORAL NASAL MA...

Page 3: ...e defective due to workmanship during the warranty period contact your nearest autho rized Miller dealer If there is no dealer in your area contact Miller Diving directly at 805 965 8538 Fax 805 966 5...

Page 4: ...y also be used to alert against unsafe practices WARNING This word indicates a potentially hazardous situation which if not avoided could result in death or serious injury DANGER This word indicates a...

Page 5: ...se of any parts other than Miller Diving original parts may lead to equipment failure and accidents DANGER Diving in an environment that is chemically biologically or radiologically contaminated is ex...

Page 6: ...elmet with oxygen percentages above 50 by volume may lead to fire or explosions which can result in serious injury or death All Miller Diving helmets must not be used with oxygen breathing mixtures in...

Page 7: ...there are no provisions for adjusting the inter mediate pressure to the diver Only proven systems that allow for varying the gas supply pressure to the diver should be used for umbili cal diving 1 B...

Page 8: ...a suitable gas supply and all valves exhausts checked for proper func tion as follows Open Free flow Valve to assure suffi cient airflow With Free flow Valve closed ascertain that the Demand Regulator...

Page 9: ...m as the impact could force water through the exhausts Hold on to the Helmet securely with at least one hand when jumping Liberal use of Free Flow Valve will be much more com fortable to the diver in...

Page 10: ...h a foreign object by shutting off Free Flow and very carefully attempting to breathe with the Demand System If water enters clear it out again with the Free Flow Valve If the malfunction continues th...

Page 11: ...hed or nicks and scratches spot painted with Marine Epoxy paint Avail able at yacht or boat supply shops TEFLON TAPE Fittings with tapered pipe thread NPT are sealed leak tight with Teflon Tape BRASSO...

Page 12: ...ice Knob 2 Pull out Nose Device Rod from inside Helmet 3 Remove the Slotted Nut and Washer 4 Pull Oral Nasal free from Nose Device Housing 5 Unscrew and remove Nose Device Housing from Helmet and Face...

Page 13: ...h Slotted Nut and Washer 10 Replace Nose Rod inside Helmet and secure with Nose Knob 3 1 ORAL NASAL MASK DESCRIPTION The Oral Nasal is attached directly to the Demand Regu lator Inhaled gas passes fro...

Page 14: ...on the Stem Be sure the screw en gages the hole in the Stem 8 Tighten the Packing Nut so that some resistance is felt to rotation of Handle Do not tighten excessively but the Nut must be tight enough...

Page 15: ...is a separate component that can be removed and replaced or disassembled in place on the side block as sembly The Emergency valve control knob is not inter changeable with the defogger valve control k...

Page 16: ...thread fittings Loose pieces of Teflon tape can interfere with the performance of helmet components and may block the diver s air supply This could lead to death through suffocation WARNING A leaking...

Page 17: ...Handles lock the Neck Ring tight against the Neoprene Gasket with four points for an effective water tight seal The Cams are simple rugged and de signed for quick jam proof operation They are easily...

Page 18: ...passes through the Mask to the diver The Double Spring System work together in tandem to close the valve after each inhalation preventing free flow of gas into the Hel met The Adjustment Knob changes...

Page 19: ...all parts necessary 13 Lubricate O rings and threads lightly with silicone grease 14 To reassemble Slip Spring and Washer on shaft of Disc and Retainer Insert all three parts into Regulator Body inlet...

Page 20: ...fit a large or small head Three adjustment holes for Screw are lo cated in the crown of Harness Body Moving the Screw and Mount Washer will change the ride angle of the Helmet on the diver s head MAIN...

Page 21: ...s rubber material all around the outside of Neck Ring This excess must be carefully cut off flush using a razor blade Small holes or tears in Neck Seal can be repaired in the field with wetsuit glue 3...

Page 22: ...hing the umbilical to some type of harness or clip on the diver s body Never allow the umbilical to pull on the helmet directly or the diver could suffer a neck injury 3 P FACE GUARD optional WELDING...

Page 23: ...n from Helmet See Page 20 10 Clean and inspect Head Harness for wear See Page 20 11 Check for proper adjustment of Cams See Page 17 12 Clean and inspect Neck Ring Gasket for wear and dam age See Page...

Page 24: ...065 Manifold Nut 4 905 027 Muffler Free flow 5 920 002 Face Plate 6 960 003 Face Ring 7 930 017 Screw 8 930 075 Nut Slotted 9 930 012 Washer 10 950 076 Nose Device Housing Order Complete see Loc 90 Fo...

Page 25: ...104 Clip Ring 21 950 105 Exhaust Handle 22 905 133 Side Exhaust Assembly 23 945 080 Regulator Body Black 960 304 Regulator Body Polished 24 550 060 Piston 25 535 807 Spring Set 26 550 059 Spacer 27 5...

Page 26: ...ER DIVING HARNESS The materials used in the Miller Harness lines are specially selected for their high strength corrosion resistance and longevity All stress points and joints are securely fastened wi...

Page 27: ...very comfortable worn with or without cylinders Black or Blue Line MILLER BELL BACKPACK The Miller Bell Backpack combines the features of the bell har ness having an elevated rear hook up D ring with...

Page 28: ...stem with Binding Posts Microphone and Two Earphones Compressed Air Mixed Gas and Saturation Diving Capability All Valve Hardware and Fasteners are Stainless Steel or Solid Brass Lightweight Approxima...

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