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Cressi-sub Ellipse 2nd stage Repair And Maintenance Instructions

Regulators
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Regulators repair and maintenance
Regulators repair and maintenance
January
January
2007
2007
Rev. ELL / 2
Rev. ELL / 2
Ellipse 2nd stage
Ellipse 2nd stage
Ed. A / 07
Ed. A / 07
1
1

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Summary of Contents for Cressi-sub Ellipse 2nd stage

  • Page 1 Ellipse 2nd stage Ellipse 2nd stage Regulators repair and maintenance Regulators repair and maintenance January January 2007 2007 Rev. ELL / 2 Rev. ELL / 2 Ed. A / 07 Ed. A / 07...
  • Page 2 • Should the information reported in this manual be unclear or not fully understandable, please contact Cressi-sub before carrying out any disassembling or maintenance operation. • Before carrying out any operation, Cressi-sub recommend to read this manual carefully in order to get to know thoroughly all necessary tools and techniques to carry out a correct maintenance and repair of the equipment.
  • Page 3 Regulators repair and maintenance WARNING ! WARNING ! • Before any operation, Cressi-sub recommend to read carefully the present document in order to get to know thoroughly all necessary tools and techniques to carry out a correct maintenance and repair of the equipment.
  • Page 4 Ellipse 2nd stage Ellipse 2nd stage Regulators repair and maintenance Regulators repair and maintenance January January 2007 2007 Rev. ELL / 2 Rev. ELL / 2 Ed. A / 07 Ed. A / 07...
  • Page 5 Ellipse 2nd stage Ellipse 2nd stage Titanium Titanium Regulators repair and maintenance Regulators repair and maintenance January January 2007 2007 Rev. ELL / 2 Rev. ELL / 2 Ed. A / 07 Ed. A / 07...
  • Page 6 Ellipse 2nd stage Ellipse 2nd stage Regulators repair and maintenance Regulators repair and maintenance • Ellipse 2nd stage maintenance kit • Ellipse 2nd stage maintenance kit HZ 810067 • Use only Cressi sub original replacement units • Use only Cressi sub original replacement units •...

  • Page 7: Yearly Maintenance

    • Yearly maintenance • Cressi-sub recommend a complete maintenance of the regulator at least once a year, and more frequently in case of a particular intensive use. Please replace all the parts contained in the yearly maintenance kit (code HZ 810067).
  • Page 8 Ellipse 2nd stage Ellipse 2nd stage Regulators repair and maintenance Regulators repair and maintenance • Yearly maintenance • Yearly maintenance • Grease all new OR with a thin silicone film: this will reduce to the minimum the risk of damage during the assembly phases.
  • Page 9 Ellipse 2nd stage Ellipse 2nd stage disassembling phases disassembling phases Regulators repair and maintenance Regulators repair and maintenance • Removal of the low pressure whip • Removal of the low pressure whip • Remove the low pressure whip by holding the set nut with a 0,74”...
  • Page 10 Ellipse 2nd stage Ellipse 2nd stage disassembling phases disassembling phases Regulators repair and maintenance Regulators repair and maintenance • Lock – Regulator disassembling stages • Lock – Regulator disassembling stages January January 2007 2007 Rev. ELL / 2 Rev. ELL / 2 Ed.
  • Page 11 Ellipse 2nd stage Ellipse 2nd stage disassembling phases disassembling phases Regulators repair and maintenance Regulators repair and maintenance • lock – Disassembling the regulator • lock – Disassembling the regulator Insert a 0,15” (4 mm) allen key in the cam-lock housing, slightly press and make an anticlockwise 90°...
  • Page 12 Ellipse 2nd stage Ellipse 2nd stage disassembling phases disassembling phases Regulators repair and maintenance Regulators repair and maintenance • Tongue door opening – • Tongue door opening – • After removing the cam-lock small key, insert two fingers in the tongue and...
  • Page 13 Ellipse 2nd stage Ellipse 2nd stage disassembling phases disassembling phases Regulators repair and maintenance Regulators repair and maintenance • Tongue door opening – • Tongue door opening – • Open the cap, by holding the regulator’s body with your hand.
  • Page 14 Ellipse 2nd stage Ellipse 2nd stage disassembling phases disassembling phases Regulators repair and maintenance Regulators repair and maintenance • Removal of seal • Removal of seal • After opening the cap, remove the regulator’s semi-rigid cap and seal. HZ 810070...
  • Page 15 • Please note that the set nut is so shaped in order to reduce the obstructions in the housing of the adjustable nozzle. HZ 810096 Ellipse 2nd stage HZ 810060 Ellipse Titanium 2nd stage January January 2007 2007 Rev. ELL / 2 Rev.
  • Page 16 Ellipse 2nd stage Ellipse 2nd stage disassembling phases disassembling phases Regulators repair and maintenance Regulators repair and maintenance • Removal of the blocking tapered pins – • Removal of the blocking tapered pins – • In order to easily remove the regulator’s blocking...
  • Page 17 Ellipse 2nd stage Ellipse 2nd stage disassembling phases disassembling phases Regulators repair and maintenance Regulators repair and maintenance • Removal of the blocking tapered pins – • Removal of the blocking tapered pins – • Remove both tapered pins, by care fully...
  • Page 18 Ellipse 2nd stage Ellipse 2nd stage disassembling phases disassembling phases Regulators repair and maintenance Regulators repair and maintenance • Removal of the 2nd stage mechanism • Removal of the 2nd stage mechanism • After removing the blocking tapered pins, it is...
  • Page 19 Ellipse 2nd stage Ellipse 2nd stage disassembling phases disassembling phases Regulators repair and maintenance Regulators repair and maintenance • Disassembling the flux switch • Disassembling the flux switch Use a flat point to push the flux switch’s Seger seal ring to the outside and remove it.
  • Page 20 Ellipse 2nd stage Ellipse 2nd stage disassembling phases disassembling phases Regulators repair and maintenance Regulators repair and maintenance Disassembling the flux switch Disassembling the flux switch • Replace and lubricate the flux switch’s OR. 21K = HZ 810079 HZ 810081...
  • Page 21 Ellipse 2nd stage Ellipse 2nd stage disassembling phases disassembling phases Regulators repair and maintenance Regulators repair and maintenance • Disassembling the 2nd stage mechanism • Disassembling the 2nd stage mechanism HZ 810085 • After drawing out the 2nd stage mechanism, remove the small lever, by inserting the special spring-pushing tool in the valve and pressing it, in order to pull down the lever and easily draw it out.
  • Page 22 Ellipse 2nd stage Ellipse 2nd stage disassembling phases disassembling phases Regulators repair and maintenance Regulators repair and maintenance • Disassembling the 2nd stage mechanism • Disassembling the 2nd stage mechanism • Use a 0,21” (5,5 mm) screwdriver to remove the setting nut and its metallic washer.
  • Page 23 Ellipse 2nd stage Ellipse 2nd stage disassembling phases disassembling phases Regulators repair and maintenance Regulators repair and maintenance • Disassembling the 2nd stage mechanism • Disassembling the 2nd stage mechanism • In order to disassemble the 2nd stage mechanism, insert a 0,58” (15 mm) spanner in the valve body’s external...
  • Page 24 Ellipse 2nd stage Ellipse 2nd stage disassembling phases disassembling phases Regulators repair and maintenance Regulators repair and maintenance • Disassembling the 2nd stage mechanism • Disassembling the 2nd stage mechanism • After disconnecting valve and nozzle, use an edged screwdriver to unscrew the adjustable nozzle from its housing.
  • Page 25 • Disassembling the 2nd stage mechanism • Disassembling the 2nd stage mechanism • At this point, lay out in order, all components of Ellipse 2nd stage mechanism. 2nd stage valve spring Lever, washer and nut HZ 730207 2° stage paste...
  • Page 26 Ellipse 2nd stage Ellipse 2nd stage Regulators repair and maintenance Regulators repair and maintenance • Parts and materials development • Parts and materials development • The following diagram shows the Ellipse regulator ’ s parts and • The following diagram shows the Ellipse regulator ’...
  • Page 27 Ellipse 2nd stage Ellipse 2nd stage disassembling phases disassembling phases Regulators repair and maintenance Regulators repair and maintenance • Yearly maintenance • Yearly maintenance • The replacement of the 2nd stage valve’s seat is particularly easy: just let the shaft...
  • Page 28 Ellipse 2nd stage Ellipse 2nd stage disassembling phases disassembling phases Regulators repair and maintenance Regulators repair and maintenance • Yearly maintenance • Yearly maintenance • Use a plastic – or metallic – round- pointed tool to remove every OR, in order not to damage the packing’s...
  • Page 29 ELLIPSE 2nd stage ELLIPSE 2nd stage Regulators repair and maintenance Regulators repair and maintenance • Assembling the 2nd stage mechanism January January 2007 2007 Rev. ELL / 2 Rev. ELL / 2 Ed. A / 07 Ed. A / 07...
  • Page 30 Ellipse 2nd stage Ellipse 2nd stage assembling phases assembling phases Regulators repair and maintenance Regulators repair and maintenance • Assembling the 2nd stage mechanism • Firstly, assemble the regulator’s valve by inserting a HZ 742013 new paste in the special bush of the valve shaft.
  • Page 31 Ellipse 2nd stage Ellipse 2nd stage assembling phases assembling phases Regulators repair and maintenance Regulators repair and maintenance • Assembling the 2nd stage mechanism • Insert the spring balancing washer in the sliding thermoplastic rubber bush, as shown in the picture.
  • Page 32 Ellipse 2nd stage Ellipse 2nd stage assembling phases assembling phases Regulators repair and maintenance Regulators repair and maintenance • Assembling the 2nd stage mechanism • Assembling the 2nd stage mechanism • Insert the whole sliding washer in the valve’s spring.
  • Page 33 Ellipse 2nd stage Ellipse 2nd stage assembling phases assembling phases Regulators repair and maintenance Regulators repair and maintenance • Assembling the 2nd stage mechanism • Assembling the 2nd stage mechanism • Insert both spring and sliding washer in the valve body,...
  • Page 34 Ellipse 2nd stage Ellipse 2nd stage assembling phases assembling phases Regulators repair and maintenance Regulators repair and maintenance • Assembling the 2nd stage mechanism • Assembling the 2nd stage mechanism 9k = HZ 810089 • Insert the whole shaft in the spring, making sure its square stem locates inside the sliding washer.
  • Page 35 Ellipse 2nd stage Ellipse 2nd stage assembling phases assembling phases Regulators repair and maintenance Regulators repair and maintenance • Assembling the 2nd stage mechanism • Assembling the 2nd stage mechanism • After carefully greasing the OR, insert and push the mobile nozzle into its seat up to the upper end of the thread.
  • Page 36 Ellipse 2nd stage Ellipse 2nd stage assembling phases assembling phases Regulators repair and maintenance Regulators repair and maintenance • Assembling the 2nd stage mechanism • Assembling the 2nd stage mechanism “CLOSE” Screw both assembled parts down to the bottom end of the thread, without tightening: please remember the coupling thread between both parts is LEFT.
  • Page 37 Ellipse 2nd stage Ellipse 2nd stage assembling phases assembling phases Regulators repair and maintenance Regulators repair and maintenance • Assembling the 2nd stage mechanism • Assembling the 2nd stage mechanism • Insert the lever in the valve body slot, then insert the washer and the nut, and screw the latter using a 0,22”...
  • Page 38 Ellipse 2nd stage Ellipse 2nd stage assembling phases assembling phases Regulators repair and maintenance Regulators repair and maintenance • Assembling the 2nd stage mechanism • Assembling the 2nd stage mechanism Use two 0,58” (15 mm). spanners to connect both assembled components tightly;...
  • Page 39 Ellipse 2nd stage Ellipse 2nd stage assembling phases assembling phases Regulators repair and maintenance Regulators repair and maintenance • Assembling flux switch • Assembling flux switch Use a flat point to push back the flux switch’s Seger seal ring into its housing.
  • Page 40 Ellipse 2nd stage Ellipse 2nd stage assembling phases assembling phases Regulators repair and maintenance Regulators repair and maintenance • Assembling the body mechanism • Assembling the body mechanism HZ 810073 HZ 810071 HZ 810074 HZ 810068 January January 2007 2007 Rev.
  • Page 41 Ellipse 2nd stage Ellipse 2nd stage assembling phases assembling phases Regulators repair and maintenance Regulators repair and maintenance • Assembling the body mechanism • Assembling the body mechanism • Insert the previously assembled and lubricated 2nd stage mechanism into the regulator’s...
  • Page 42 Ellipse 2nd stage Ellipse 2nd stage assembling phases assembling phases Regulators repair and maintenance Regulators repair and maintenance • Assembling the body mechanism • Assembling the body mechanism • Insert the regulator’s mechanism: whilst pressing the thermoplastic injector’s top with your thumb.
  • Page 43 Ellipse 2nd stage Ellipse 2nd stage assembling phases assembling phases Regulators repair and maintenance Regulators repair and maintenance • Assembling the body mechanism • Assembling the body mechanism • Insert the blocking tapered pins in their special housing. HZ 810084...
  • Page 44 Assembling the body mechanism • Assembling the body mechanism • Use a 0,74” (19 mm) hexagonal spanner to tighten the 2nd stage regulator’s set nut. HZ 810096 Ellipse 2nd stage HZ 810060 Ellipse Titanium 2nd stage January January 2007 2007 Rev.
  • Page 45 Ellipse 2nd stage Ellipse 2nd stage assembling phases assembling phases Regulators repair and maintenance Regulators repair and maintenance • Assembling the body mechanism • Assembling the body mechanism • Place the cap on the seal, making sure its perimeter covers the...
  • Page 46 Ellipse 2nd stage Ellipse 2nd stage assembling phases assembling phases Regulators repair and maintenance Regulators repair and maintenance • Closing the regulator ’ s cap • Closing the regulator ’ s cap • Keep the semi-rigid discharge cap pressed with a finger and turn the weigh-cap towards the discharge valve’s...
  • Page 47 Ellipse 2nd stage Ellipse 2nd stage assembling phases assembling phases Regulators repair and maintenance Regulators repair and maintenance • Closing the regulator ’ s cap • Closing the regulator ’ s cap • To close, place the tooth shown in the...
  • Page 48 Ellipse 2nd stage Ellipse 2nd stage assembling phases assembling phases Regulators repair and maintenance Regulators repair and maintenance • Closing the regulator ’ s cap • Closing the regulator ’ s cap • Complete the rotation of the weigh-cap until the regulator is fully closed.
  • Page 49 Ellipse 2nd stage Ellipse 2nd stage assembling phases assembling phases Regulators repair and maintenance Regulators repair and maintenance • Closing the regulator ’ s cap • Closing the regulator ’ s cap • Press the tongue’ s central space (grey in the picture) until a slight click is felt.
  • Page 50 Ellipse 2nd stage Ellipse 2nd stage assembling phases assembling phases Regulators repair and maintenance Regulators repair and maintenance • Lock closing of the regulator • Lock closing of the regulator HZ 810077 HZ 709007 January January 2007 2007 Rev. ELL / 2 Rev.
  • Page 51 Ellipse 2nd stage Ellipse 2nd stage assembling phases assembling phases Regulators repair and maintenance Regulators repair and maintenance • Lock closing of the regulator • Lock closing of the regulator Use a 0,15” (4 mm) allen key to insert the cam-lock safety key in its housing and make a clockwise 90°...
  • Page 52 Ellipse 2nd stage Ellipse 2nd stage assembling phases assembling phases Regulators repair and maintenance Regulators repair and maintenance • Lock closing of the regulator • Lock closing of the regulator • If inserted correctly, the cam-lock key looks as in the picture.
  • Page 53 Ellipse 2nd stage: Tools Ellipse 2nd stage: Tools Regulators repair and maintenance Regulators repair and maintenance • Ellipse 2nd stage maintenance tools • Ellipse 2nd stage maintenance tools 0,21” (5,5 mm) screwdriver HZ 709009 0,23” (6 mm) hexagonal spanner HZ 709006 0,15”...
  • Page 54 Ellipse 2nd stage: Setting Setting Regulators repair and maintenance Regulators repair and maintenance • Setting the Ellipse 2nd stage: setting the valve nozzle • Setting the Ellipse 2nd stage: setting the valve nozzle • Connect the second stage to the correctly set first stage.
  • Page 55 Ellipse 2nd stage: Ellipse 2nd stage: Setting Setting Regulators repair and maintenance Regulators repair and maintenance • Setting the Ellipse 2nd stage: setting the valve nozzle • Setting the Ellipse 2nd stage: setting the valve nozzle Pic. T1 Go back to...
  • Page 56 Ellipse 2nd stage: Ellipse 2nd stage: Setting Setting Regulators repair and maintenance Regulators repair and maintenance • Setting the Ellipse 2nd stage: setting the valve nozzle • Setting the Ellipse 2nd stage: setting the valve nozzle (Not available) Pic. T2...
  • Page 57 Setting the Ellipse 2nd stage: setting the valve nozzle • Setting the Ellipse 2nd stage: adjusting the lever height • After adjusting the valve nozzle position correctly, the final setting may be carried out, by adjusting the height of the valve supplying lever.
  • Page 58 Ellipse 2nd stage: Setting Setting Regulators repair and maintenance Regulators repair and maintenance • Setting the Ellipse 2nd stage: setting the valve nozzle • Setting the Ellipse 2nd stage: setting the valve nozzle • Use a 0,24” (6 mm) Allen wrench to...
  • Page 59 Ellipse 2nd stage: Ellipse 2nd stage: Setting Setting Regulators repair and maintenance Regulators repair and maintenance • Setting the Ellipse 2nd stage by dima • Setting the Ellipse 2nd stage by dima • Insert a 0,22” (5,5 mm) screwdriver (HZ...
  • Page 60 Ellipse 2nd stage: Ellipse 2nd stage: Setting Setting Regulators repair and maintenance Regulators repair and maintenance • Setting the Ellipse 2nd stage by dima • Setting the Ellipse 2nd stage by dima • Turn the setting nut anticlockwise, until the regulator stops supplying;...
  • Page 61 Ellipse 2nd stage: Ellipse 2nd stage: Setting Setting Regulators repair and maintenance Regulators repair and maintenance • Setting the Ellipse 2nd stage by dima • Setting the Ellipse 2nd stage by dima • The Ellipse 2nd stage is set correctly if, being...
  • Page 62 Ellipse 2nd stage: Setting Setting Regulators repair and maintenance Regulators repair and maintenance • Setting the Ellipse 2nd stage without the dima • Setting the Ellipse 2nd stage without the dima • It is possible to carry out the final...
  • Page 63 Ellipse 2nd stage: Ellipse 2nd stage: Setting Setting Regulators repair and maintenance Regulators repair and maintenance • Ellipse 2nd stage Setting • After setting the 2nd stage correctly, use a 0,24” (6mm) Allen wrench to turn the side screw, until its top lays even with the body.