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Cressi-sub Ellipse Black Balanced Manual Download Page 23

Regulators repair and maintenance 

January  2011 

Rev. Ell.B.B. / 1                                                  Ed. B /12 

23 

•

Remove the 2nd stage piston pad, the piston spring and the 

    balancing chamber out of their seat. 

•

Remove the piston O-ring. 

HZ 820056 

HZ 820049 

HZ 820058 

OR = HZ 820059 

OR = HZ 820057 

HZ 820055 

2

nd

 stage Ellipse Black Balanced: 

disassembling 

Summary of Contents for Ellipse Black Balanced

Page 1: ...Regulators repair and maintenance January 2011 Rev Ell B B 1 Ed B 12 1 2nd stage Ellipse Black Balanced ...

Page 2: ...thout the proper training required to conduct these operations Users must never perform maintenance themselves all maintenance must be performed EXCLUSIVELY by an authorized Cressi Sub center If the information provided in this document is unclear or not fully intelligible please contact Cressi sub before proceeding with any disassembly or maintenance procedures Before proceeding Cressi sub recomm...

Page 3: ...ay special attention to the recommendations provided in the margin of the figures that show the various sequences of equipment maintenance and or repair in order to avoid any problems that could result in an accident The document below in no way replaces the equipment s instruction manual The procedures described in this document are pertinent to and intended only for the disassembly maintenance a...

Page 4: ...ors repair and maintenance January 2011 Rev Ell B B 1 Ed B 12 4 2nd stage Ellipse Black Balanced spare parts Ellipse Balanced Ellipse Black Balanced 2nd stages hz 820080 ANNUAL REPLACEMENT KIT CHART Real Size ...

Page 5: ...llipse Black Balanced Kit Ellipse Balanced Ellipse Black Balanced Manutenzione Annuale Cod N HZ 820080 Real Size Torna Use only original Cressi sub spare parts Note it is recommended to carry out a complete servicing of the regulator yearly or more frequently in case of intensive use ...

Page 6: ...nce of this equipment are illustrated in a section of this document on page 8 Metal parts must be washed with hot water and neutral detergent and rinsed in fresh water Any concretions must be removed using ultrasound cleaning or with diluted acid solutions always followed by long and thorough rinsing under running water Do not use acids or solvents on rubber components The new ORs must be greased ...

Page 7: ...nd intended only for the disassembly maintenance and assembly of equipment meant for use with air 21 oxygen 79 nitrogen Users must never perform maintenance themselves all maintenance must be performed EXCLUSIVELY by an authorized Cressi Sub center You can find your authorized Cressi Sub center by asking your dealer or Cressi Sub S p A itself by sending an e mail to info cressi sub it Annual repla...

Page 8: ...Regulators repair and maintenance January 2011 Rev Ell B B 1 Ed B 12 8 2nd stage Ellipse Black Balanced Special tools ...

Page 9: ...mbling Remove and replace all O rings Use a plastic tool or a round pointed metal one in order not to damage the O ring seat To replace the O ring correctly press its sides to create a bulge inside which to insert the round pointed tool as shown in the pictures Attention USE ONLY ORIGINAL CRESSI SUB SPARE PARTS ...

Page 10: ...panner to remove the low pressure hose holding the lock nut steady with the former and unscrewing the hose with the latter By annual replacement it is necessary to replace the O rings inside the hose Check the low pressure hose for visible signs of wear cuts or abrasions especially next to the threaded connecting parts Remove the low pressure hose ...

Page 11: ...tage Ellipse Black Balanced disassembling 0 15 in Allen wrench Cam lock Disassembling the regulator Insert a 0 15 in Allen wrench into the cam lock seat press gently and turn by 90 degrees anticlockwise The inner spring will push the key outwards and you will be able to take it out easily ...

Page 12: ...January 2011 Rev Ell B B 1 Ed B 12 12 After removing the cam lock key press the soft cap with your fingers while levering on the baffle middle port so as to open it as shown in the picture 2nd stage Ellipse Black Balanced disassembling ...

Page 13: ...d maintenance January 2011 Rev Ell B B 1 Ed B 12 13 Open the cap holding the regulator casing in your hand and remove the soft cap button the diaphragm ring and the diaphragm 2nd stage Ellipse Black Balanced disassembling ...

Page 14: ...Regulators repair and maintenance January 2011 Rev Ell B B 1 Ed B 12 14 HZ 820074 HZ 820072 HZ 820073 2nd stage Ellipse Black Balanced disassembling ...

Page 15: ...lators repair and maintenance January 2011 Rev Ell B B 1 Ed B 12 15 Use an adjustable wrench to loosen the side cap and unscrew it slightly HZ 820085 HZ 709013 2nd stage Ellipse Black Balanced disassembling ...

Page 16: ...Regulators repair and maintenance January 2011 Rev Ell B B 1 Ed B 12 16 Ch 19 Use a 0 75 in spanner to remove the regulator lock nut HZ 820050 2nd stage Ellipse Black Balanced disassembling ...

Page 17: ...y 2011 Rev Ell B B 1 Ed B 12 17 1 2 Bend the lever phase 1 and take the whole second stage mechanism out of the case phase 2 as shown in the picture then remove the valve body O ring 2 HZ 820051 2nd stage Ellipse Black Balanced disassembling ...

Page 18: ...ance January 2011 Rev Ell B B 1 Ed B 12 18 Take the baffle out of the case pushing its ends as shown in the picture then remove the discharge valve out of its seat HZ 820078 HZ 810074 2nd stage Ellipse Black Balanced disassembling ...

Page 19: ...ulators repair and maintenance January 2011 Rev Ell B B 1 Ed B 12 19 Remove the side cap unscrewing it fully remove the valve body spacer HZ 820085 HZ 820083 2nd stage Ellipse Black Balanced disassembling ...

Page 20: ...he piston including spring and balancing chamber out of the valve body as shown in the picture NOTE push with a certain amount of strength to overcome the friction induced by the balancing chamber O ring onto the valve body side until the whole valve comes out 2nd stage Ellipse Black Balanced disassembling ...

Page 21: ...ir and maintenance January 2011 Rev Ell B B 1 Ed B 12 21 Use a screwdriver to fully unscrew the adjustable nozzle It will be shown later how to remove it out of its seat 2nd stage Ellipse Black Balanced disassembling ...

Page 22: ...ng the tool HZ 709011 designed to prevent the edge from being damaged as shown in the picture NOTE push with a certain amount of strength to overcome the friction induced by the Oring onto the valve body side until the nozzle comes out Remove the nozzle O ring HZ 820094 HZ 709011 2nd stage Ellipse Black Balanced disassembling ...

Page 23: ...Ell B B 1 Ed B 12 23 Remove the 2nd stage piston pad the piston spring and the balancing chamber out of their seat Remove the piston O ring HZ 820056 HZ 820049 HZ 820058 OR HZ 820059 OR HZ 820057 HZ 820055 2nd stage Ellipse Black Balanced disassembling ...

Page 24: ...r and maintenance January 2011 Rev Ell B B 1 Ed B 12 24 Levering on their sides lift and remove the upper mask hookings out of the casing as shown in the picture HZ 820067 2nd stage Ellipse Black Balanced disassembling ...

Page 25: ...enance January 2011 Rev Ell B B 1 Ed B 12 25 Use a 0 08 in pin pusher to remove the cap titanium upper pin out of its seat please push in the direction shown by the picture HZ 820076 2nd stage Ellipse Black Balanced disassembling ...

Page 26: ...Regulators repair and maintenance January 2011 Rev Ell B B 1 Ed B 12 26 Remove the upper mask out of its seat as shown in the picture HZ 820086 2nd stage Ellipse Black Balanced disassembling ...

Page 27: ...ors repair and maintenance January 2011 Rev Ell B B 1 Ed B 12 27 Remove the flow deviator out of it seat as shown in the picture HZ 820066 OR HZ 820069 HZ 820068 2nd stage Ellipse Black Balanced disassembling ...

Page 28: ...alancing chamber OR Piston spring Piston with O ring and pad Cap button Button ring Diaphragm Valve body Lever OR Exhaust baffle Valvola di espirazione 2 stage body OR Cover exhaust tee closing cap Upper mask Flow deviator OR lock nut Valve nozzle OR 2nd stage Ellipse Black Balanced components ...

Page 29: ...air and maintenance January 2011 Rev Ell B B 1 Ed B 12 29 After replacing and lubricating its O ring insert the flow deviator into it seat as shown in the picture HZ 820067 2nd stage Ellipse Black Balanced assembling ...

Page 30: ...ir and maintenance January 2011 Rev Ell B B 1 Ed B 12 30 Place the upper mask onto the 2nd stage casing then press its sides to hook it to the casing as shown in the picture 2nd stage Ellipse Black Balanced assembling ...

Page 31: ...2011 Rev Ell B B 1 Ed B 12 31 Insert the upper pin into the cap in the direction shown in the picture Place the cap hookings into their seats in the 2nd stage casing as shown in the picture HZ 820076 2nd stage Ellipse Black Balanced assembling ...

Page 32: ... in the picture Now hold the case in one hand firmly and tap with a plastic hammer on the upper pin to push it into the corresponding seat in the second stage case as shown in the picture The pin is placed correctly if its both ends line up with the case so as to allow the cap to swing freely 2nd stage Ellipse Black Balanced assembling ...

Page 33: ...ntenance January 2011 Rev Ell B B 1 Ed B 12 33 Insert the eshaust valve taking care to place correctly the shaft into its seat by pulling it from the inside of the regulator HZ 810074 2nd stage Ellipse Black Balanced assembling ...

Page 34: ...to its seat in the piston Please note the two bulges on its shaft which allow its full connection with the piston Replace and lubricate the piston and balancing chamber O rings NOTE a thorough lubrication is unavoidable to make the regulator work perfectly HZ 820055 HZ 820056 OR 820057 HZ 820058 HZ 820049 OR 820059 2nd stage Ellipse Black Balanced assembling ...

Page 35: ... the assembled valve as will be described on next page please pay attention to hold its fulcrum as shown in the picture feet downwards with respect to the lever Replace and lubricate the inner knob O ring and assemble it as shown in the picture 2nd stage Ellipse Black Balanced assembling ...

Page 36: ...Regulators repair and maintenance January 2011 Rev Ell B B 1 Ed B 12 36 Raising the lever insert the assembled valve inside its body as shown in the picture 2nd stage Ellipse Black Balanced assembling ...

Page 37: ... January 2011 Rev Ell B B 1 Ed B 12 37 Check the lever works perfectly by pressing it more times it has to swing freely and go back every time to its vertical position automatically HZ 820053 2nd stage Ellipse Black Balanced assembling ...

Page 38: ...ry 2011 Rev Ell B B 1 Ed B 12 38 Insert the spacer into the valve body so that its flat side lines up when screwed with the side cap inner part Screw back the side cap HZ 820085 HZ 820083 HZ 709013 2nd stage Ellipse Black Balanced assembling ...

Page 39: ...ce and lubricate the nozzle O ring Screw the nozzle for some turns into the valve body keeping the 2nd stage lever pressed to prevent the sharp edge from damaging the piston pad The regulator will be set when fully assembled HZ 820094 2nd stage Ellipse Black Balanced assembling ...

Page 40: ... 2011 Rev Ell B B 1 Ed B 12 40 1 2 After replacing and properly lubricating the knob O ring lower the lever 1 and introduce 2 the regulator mechanism into the casing exactly as shown in the picture 2 2nd stage Ellipse Black Balanced assembling ...

Page 41: ...Z 820051 Replace and lubricate the valve body O ring then place it into its seat as shown in the picture After screwing it a tooth placed on the closing side of the titanium lock nut will put the O ring correctly into its seat on the 2nd stage 2nd stage Ellipse Black Balanced assembling ...

Page 42: ...tors repair and maintenance January 2011 Rev Ell B B 1 Ed B 12 42 Use a 0 75 in spanner to screw the titanium lock nut Check the lever is in parallel to the casing 2nd stage Ellipse Black Balanced assembling ...

Page 43: ...Regulators repair and maintenance January 2011 Rev Ell B B 1 Ed B 12 43 Tighten the side cap until its head lines up with the case HZ 709013 2nd stage Ellipse Black Balanced assembling ...

Page 44: ... and maintenance January 2011 Rev Ell B B 1 Ed B 12 44 Assemble the second stage baffle inserting and pushing it into the seats in the casing as shown in the picture HZ 820078 2nd stage Ellipse Black Balanced assembling ...

Page 45: ...intenance January 2011 Rev Ell B B 1 Ed B 12 45 Place the diaphragm onto the ring as shown in the picture Now check their correct coupling as shown in the picture HZ 820072 HZ 820073 2nd stage Ellipse Black Balanced assembling ...

Page 46: ...11 Rev Ell B B 1 Ed B 12 46 Insert the ring including the correctly placed diaphragm into the second stage case making sure all the ring vertices line up perfectly with the case as shown in the picture 2nd stage Ellipse Black Balanced assembling ...

Page 47: ...ance January 2011 Rev Ell B B 1 Ed B 12 47 While holding the ring in your hand tightly pull gently the diaphragm plate outwards to check its perimeter sits perfectly in the regulator case 2nd stage Ellipse Black Balanced assembling ...

Page 48: ...011 Rev Ell B B 1 Ed B 12 48 Insert the button into the ring making sure all the ring teeth connect with the corresponding holes in the button The picture show how they are correctly coupled HZ 820074 2nd stage Ellipse Black Balanced assembling ...

Page 49: ...Regulators repair and maintenance January 2011 Rev Ell B B 1 Ed B 12 49 1 2 3 4 5 4 2nd stage Ellipse Black Balanced assembling ...

Page 50: ...Regulators repair and maintenance January 2011 Rev Ell B B 1 Ed B 12 50 Bend the swinging cap towards the exhaust valve seat 1 2nd stage Ellipse Black Balanced assembling ...

Page 51: ...ev Ell B B 1 Ed B 12 51 2 When closing it make sure the teeth shown in the picture are free to lie and rotate only in their seats These latter serve also as closing fulcrum of the cap TEETH FULCRUM HOUSING 2nd stage Ellipse Black Balanced assembling ...

Page 52: ...Regulators repair and maintenance January 2011 Rev Ell B B 1 Ed B 12 52 3 Keep rotating the swinging cap until the regulator is fully closed 4 2nd stage Ellipse Black Balanced assembling ...

Page 53: ...intenance January 2011 Rev Ell B B 1 Ed B 12 53 5 Press the baffle main cap grey in the picture and close the regulator It will be fully locked after inserting the safety camlock key 2nd stage Ellipse Black Balanced assembling ...

Page 54: ...the Cam lock as shown in the picture insert an Allen wrench into its seat and press gently while turning by 90 degrees clockwise The Cam lock inner spring will push the key into its position to lock the regulator as shown in the picture 2nd stage Ellipse Black Balanced assembling ...

Page 55: ...regulator including first and second stages with a 200 bars pressurized tank or with an equally pressurized workbench then open the air tap gently while pressing the second stage air outlet button If the regulator supplies air slightly push and turn clockwise the Bsetting gauge ring HZ 710011 until the air stops flowing in this way the valve cutting edge should hardly touch the closing pad making ...

Page 56: ...alve spring moreover the excessive compression of the valve spring modifies the lever correct position and therefore damages the regulator breathing performance The specially sized valve spacer see page 38 guarantees along with the correct setting of the valve nozzle shown before the second stage correct setting Therefore this model of second stage does not require the setting of the lever height ...

Page 57: ...Regulators repair and maintenance January 2011 Rev Ell B B 1 Ed B 12 57 HZ 710011 10 bar 2nd stage Ellipse Black Balanced setting ...

Page 58: ...t about 0 15 ñ 0 20 H2O the regulator must start supplying air until the second stage works automatically check the Venturi flow deviator works correctly by turning the lever on mode ìñì the flow must stop put the whole regulator under water with the flow deviator on pre dive wait for about a minute then check for any leakage which would be shown by bubbles do not mistake them for outflow of air e...

Page 59: ...Regulators repair and maintenance January 2011 Rev Ell B B 1 Ed B 12 59 2nd stage Ellipse Black Balanced Service records Download Tab ...

Page 60: ...Regulators repair and maintenance January 2011 Rev Ell B B 1 Ed B 12 60 Scheda di manutenzione registro interventi Service record 2nd stage Ellipse Black Balanced Service records Download Tab ...

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