Oceanic EOS Service Procedure Download

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EOS SERVICE PROCEDURE 12-2810-R02 (10/3/10)

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EOS 

PNEUMATICALLY BALANCED 

SECOND STAGE 

PRODUCT SERVICE PROCEDURE 

This Service Procedure conveys a list of components and procedures that reflect the EOS second stage as it was configured 

at the time of this writing (10/3/10). 

Summary of Contents for EOS

Page 1: ...FAX 510 569 5404 EMAIL service oceanicusa com 1 EOS PNEUMATICALLY BALANCED SECOND STAGE PRODUCT SERVICE PROCEDURE This Service Procedure conveys a list of components and procedures that reflect the E...

Page 2: ...lbs Over Purge High flow rate will not stop when air stream is obstructed Opening Effort IP 138 psi 9 5 bar Venturi Switch set negative 1 No leak with Adjustment Knob turned fully out counterclockwise...

Page 3: ...nd stage 1 Gravel or sand trapped inside Housing 6 2 Excessive Demand Lever 28 slack 1 Remove and clean 2 Readjust Orifice 26 refer to Final Adjustment section Little or no airflow when purge is depre...

Page 4: ...er 4 and Diaphragm 5 by grasping the raised edges of the center and lift with a slight upward twist to remove Hold up to the light and inspect for holes tears or deformation discard if any found 6 Tur...

Page 5: ...chedule A Fig 8 16 Slide the Venturi Tube Switch 35 off the Adjustment Tube 11 Remove the Venturi Tube Switch O ring 34 by pinching the o ring and rolling off Fig 9 inspect for any damage and discard...

Page 6: ...remove the Orifice 26 by turning it counter clockwise in the Valve Housing 27 or 44 until the threads disengage Once the threads are fully disengaged press out the Orifice 26 with a cotton swab Fig 1...

Page 7: ...fe and could result in serious injury or death 1 If it was removed install a new Exhaust Valve 9 into the Housing 6 by gently pulling the valve stem through the Housing 6 with a hemostat or needle nos...

Page 8: ...bricate and install a new Balance Shaft O ring 13 into the small opening of the Adjustment Tube 11 by pressing it into place with the narrow end of the Poppet 31 shaft Remove the Poppet 31 shaft and l...

Page 9: ...g clockwise with an adjustable crows foot wrench attached to a calibrated torque wrench and torque to 25 27 in lbs Fig 29 Fig 28 Fig 29 Fig 30 15 Install the Venturi Tube Switch O ring 34 on the groov...

Page 10: ...the Adjustment Knob Screw 22 and tighten clockwise attach a 3 32 hex driver to a calibrated torque wrench and torque to 3 4 in lbs Fig 35 24 Carefully examine the knife sealing edge of the Orifice 26...

Page 11: ...one on each side that fit into the rectangular slots in the threaded portion of the Front Cover Ring 1 Fig 40 Check that the logos are correctly oriented Fig 41 Fig 40 Fig 41 30 Install the Front Cove...

Page 12: ...e mouthpiece has been removed CAUTION To avoid cutting the Poppet Seat 30 with the knife edge of the Orifice 26 always depress the Front Cover 2 while adjusting the Orifice 26 failure to do so will re...

Page 13: ...ehelic Gauge and record the Inhalation Effort in Inches Water Column IWC this is also referred to as Cracking Effort Inhalation Effort is not to exceed 1 2 IWC Magnehelic is a registered trademark of...

Page 14: ...Making sure that all other ports on the first stage are sealed close lightly inhale on the second stage to determine vacuum integrity you should not be able to draw air through the second stage If yo...

Page 15: ...ervice oceanicusa com 15 SERVICE PARTS KITS P N DESCRIPTION NOTES 40 6166 KIT SVC EOS 2ND STG SWIV DOCUMENTS P N DESCRIPTION NOTES 12 2210 PROCEDURE SVC EOS www OceanicNet com FREE 12 2201 PROCEDURE A...

Page 16: ...er Price List EOS SECOND STAGE DIA CAT P N DESCRIPTION NOTES 1 c 7083 07 A COVER RING TOP EOS ASSY 2 c 7053 07 COVER TOP EOS 3 c 7046 RING RETAINING DIAPHRAGM 4 b 7045 WASHER DIAPHRAGM 5 b 5236 DIAPHR...

Page 17: ...EMAND 29 b 2 017 O RING ORDER 2 017K 12 PK b 2 017K O RING 12PK 30 a 5465 SEAT POPPET 31 b 5464 POPPET 32 a 5474 O RING 091 X 036 33 a 5474 O RING 091 X 036 34 b 2 018 O RING ORDER 2 018K 12 PK b 2 01...