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© Miller Diving All Rights Reserved     Document # 030715001

25

46    535-804    Spring

47    545-026    Inlet 

V

alve

48    510-014    O-ring

49    950-082    Inlet Seat

50    910-058    O-Ring

51    950-057    Retainer Plate, Regulator

52    910-073    O-Ring

53    950-072    Mount 

T

ube, Oral Nasal

54    930-017    Screw

55    905-140    Regulator 

Assembly (painted)

        905-340    Regulator 

Assembly (polished)

56    915-036    Microphone / Earphone

57    915-034    Speaker 

W

ire Assembly

58    915-033    Binding Post

59    905-055    Demand 

T

ube & Guard

60    930-1

12    Screw

61    930-423    

W

asher

62    905-323    Chin Strap

63    930-017    Screw

64    960-016    Neck Ring, Lower

65    910-018    Neck Seal, Neoprene

66    960-015    Neck Ring, Upper

, T

apped

67    905-135    Neck Ring 

Assembly

68    960-006    Cam Handle

69    930-068    Nut

70    930-012    

W

asher

71    930-01

1    Screw

72    955-1

1

1    Elbow

73    945-064    Manifold 

V

alve Body

74    950-063    

V

alve Stem, Manifold 

V

alve

75    920-062    

T

eflon Packing, Manifold 

V

alve

76    930-061    

W

asher

77   950-060    Packing Nut, Manifold 

V

alve

78    960-025    Handle, Manifold 

V

alve

79    930-017    Screw

80    905-134    

Manifold V

alve 

Assembly

81    510-483    O-ring

© Miller Diving

 All Rights Reserved     Document #  040430001

11

    510-008    O-ring

12    950-078    Packing Nut, Nose Device

13    550-065    Knob, Nose Device

14    930-047    Screw

15    950-100    Retainer Plate, Side Exhaust

16    910-101    O-Ring

17    950-102    Side Exhaust Body

18    910-103    O-Ring

19    910-030    Exhaust 

V

alve

20    930-104    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    550-058    

Adjustment Shaft

28    520-032    

W

asher

T

eflon

29    510-01

1    O-Ring

30    950-097    Packing Nut, Reg. 

Adj,

31    530-601    Roll Pin

32    950-098    

Adjustment Knob

33    960-046    Regulator Cover (Black)

        960-414    Regulator Cover (Polished)

34    930-047    Screw

35    950-105    Exhaust Handle

36    930-104    Clip Ring

37    910-029    Exhaust 

V

alve

38    910-103    O-Ring

39    910-059    Deflector

40    910-081    Diaphragm

41    530-303    

Adjustment Nut

42    550-052    Spacer

43    545-038    Roller Lever

44    530-506    

W

asher

, S.S.

45    530-505    

W

asher

, Brass

  89    555-1

17    

Adapter

  90    555-195    One 

W

ay V

alve

  91    505-060    One 

W

ay V

alve 

 Assembly

  92    950-348    

V

alve Body

  93    550-138    Stem

  94    530-095    

W

asher

  95    520-024    Packing

  96    550-254    Packing Nut

  97    520-025    Knob, Control

  98    535-802    Spring

  99    550-250    Lock Nut

100    905-348    Emer

gency V

alve 

Assembly

101    930-017    Screw

102    950-1

10    Band Button

103    905-108    Neck Band

104    950-107    

Adjustment Button

105    910-410    

Adjustment Strap

106    910-406    Head Harness

107    930-109    

W

asher

108    930-106    Screw

109    910-005    Face Seal

1

10    510-575    Nose Device Pad

11

1    545-015    Nose Device

1

12    950-369    

V

alve Body

, Oral Nasal

1

13    510-552    

V

alve Oral Nasal

1

14    910-070    Oral Nasal

1

15    920-014    Neck Ring Gasket

1

16    530-308    Nut

1

17    530-525    

W

asher

1

18    915-447    Standof

f

1

19    915-445    Insulation Sleeve

120    905-175    Positive Locking 

Assembly

121    530-049    

T

ie 

W

rap

122    930-285    Set Screw

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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