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Cressi-sub 2nd Stage Ellipse Balanced, Repair And Maintenance Instructions, Page: 28 / 69

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Cressi-sub 2nd Stage Ellipse Balanced Repair And Maintenance Instructions Download Page 28

Regulators repair and maintenance 

January 2009 

Rev. ELL.BAL/B                                               Ed. C /12 

28 

2

nd

 stage Ellipse Balanced: 

disassembling 

• Remove the 2

nd

 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 

Summary of Contents for 2nd Stage Ellipse Balanced

Page 1: ...Regulators repair and maintenance January 2009 Rev ELL BAL B Ed C 12 1 2nd stage Ellipse Balanced...

Page 2: ...t 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 infor...

Page 3: ...pecial 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...

Page 4: ...Regulators repair and maintenance January 2009 Rev ELL BAL B Ed C 12 4 2nd stage Ellipse Balanced spare parts Ellipse Balanced 2 stage HZ 820080 ANNUAL REPLACEMENT KIT CHART Real Size...

Page 5: ...d stage Ellipse Balanced Kit Ellipse Balanced Annual replacement kit Code Nr HZ 820080 Use only original Cressi sub spare parts Note it is recommended to carry out a complete servicing of the regulato...

Page 6: ...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 usin...

Page 7: ...ntended 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 EX...

Page 8: ...Regulators repair and maintenance January 2009 Rev ELL BAL B Ed C 12 8 2nd stage Ellipse Balanced Special tools...

Page 9: ...ng 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...

Page 10: ...emove 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 l...

Page 11: ...ipse 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 s...

Page 12: ...d maintenance January 2009 Rev ELL BAL B Ed C 12 12 2nd stage Ellipse Balanced disassembling After removing the cam lock key press with your fingers the main cap of the baffle and open it outwards as...

Page 13: ...aintenance January 2009 Rev ELL BAL B Ed C 12 13 2nd stage Ellipse Balanced disassembling Open the cap holding the regulator casing in your hand and remove the soft cap button the diaphragm ring and t...

Page 14: ...Regulators repair and maintenance January 2009 Rev ELL BAL B Ed C 12 14 2nd stage Ellipse Balanced disassembling HZ 820074 HZ 820072 HZ 820073 HZ 810077...

Page 15: ...Regulators repair and maintenance January 2009 Rev ELL BAL B Ed C 12 15 2nd stage Ellipse Balanced disassembling O 75 in Use a 0 75 in spanner to remove the regulator lock nut HZ 820050...

Page 16: ...maintenance January 2009 Rev ELL BAL B Ed C 12 16 2nd stage Ellipse Balanced disassembling 1 2 Lower the lever phase 1 then take out the 2nd stage whole device out of the regulator casing phase 2 as...

Page 17: ...Regulators repair and maintenance January 2009 Rev ELL BAL B Ed C 12 17 2nd stage Ellipse Balanced disassembling Remove the valve O ring out of its seat OR HZ 820051...

Page 18: ...tors repair and maintenance January 2009 Rev ELL BAL B Ed C 12 18 2nd stage Ellipse Balanced disassembling Remove the baffle out of the regulator casing pressing its sides as shown in the picture HZ 8...

Page 19: ...Regulators repair and maintenance January 2009 Rev ELL BAL B Ed C 12 19 2nd stage Ellipse Balanced disassembling Remove the exhaust valve out of its seat HZ 810074...

Page 20: ...uary 2009 Rev ELL BAL B Ed C 12 20 2nd stage Ellipse Balanced disassembling Use a 0 15 in Allen wrench to unscrew the setting white screw placed inside the adjustment knob and remove the metal knob co...

Page 21: ...air and maintenance January 2009 Rev ELL BAL B Ed C 12 21 2nd stage Ellipse Balanced disassembling Insert bird beak pliers into the knob opening and remove the clip out of its seat as shown in the pic...

Page 22: ...Regulators repair and maintenance January 2009 Rev ELL BAL B Ed C 12 22 2nd stage Ellipse Balanced disassembling Unscrew the knob fully and take it out of the valve body HZ 820061...

Page 23: ...Regulators repair and maintenance January 2009 Rev ELL BAL B Ed C 12 23 2nd stage Ellipse Balanced disassembling Remove the knob O ring out of its seat OR HZ 820060...

Page 24: ...wrench to fully unscrew the setting screw lying inside the setting knob phase 1 Now use the tool HZ 709011 to remove the screw out of the knob push it in the direction shown by the picture to overcom...

Page 25: ...sembling Use the tool HZ 709011 to remove the 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 fr...

Page 26: ...pair and maintenance January 2009 Rev ELL BAL B Ed C 12 26 2nd stage Ellipse Balanced disassembling Use a screwdriver to fully unscrew the adjustable nozzle It will be shown later how to remove it out...

Page 27: ...nozzle out of the regulator valve body using 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 fric...

Page 28: ...v ELL BAL B Ed C 12 28 2nd stage Ellipse Balanced disassembling 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 8200...

Page 29: ...air and maintenance January 2009 Rev ELL BAL B Ed C 12 29 2nd stage Ellipse Balanced disassembling Levering on their sides lift and remove the upper mask hookings out of the casing as shown in the pic...

Page 30: ...ntenance January 2009 Rev ELL BAL B Ed C 12 30 2nd stage Ellipse Balanced disassembling Use a 0 08 in pin pusher to remove the cap titanium upper pin out of its seat please push in the direction shown...

Page 31: ...Regulators repair and maintenance January 2009 Rev ELL BAL B Ed C 12 31 2nd stage Ellipse Balanced disassembling Remove the upper mask out of its seat as shown in the picture HZ 820075...

Page 32: ...ators repair and maintenance January 2009 Rev ELL BAL B Ed C 12 32 2nd stage Ellipse Balanced disassembling Remove the flow deviator out of it seat as shown in the picture HZ 820066 OR HZ 820069 HZ 82...

Page 33: ...O ring Adjustment knob O ring Adjustment knob clip Balancing chamber O ring Piston spring Piston with O ring and pad Cap button Button ring Diaphragm Lever Valve body O ring Exhaust baffle Exhaust val...

Page 34: ...epair and maintenance January 2009 Rev ELL BAL B Ed C 12 34 2nd stage Ellipse Balanced assembling After replacing and lubricating its O ring insert the flow deviator into it seat as shown in the pictu...

Page 35: ...pair and maintenance January 2009 Rev ELL BAL B Ed C 12 35 2nd stage Ellipse Balanced assembling Place the upper mask onto the 2nd stage casing then press its sides to hook it to the casing as shown i...

Page 36: ...y 2009 Rev ELL BAL B Ed C 12 36 2nd stage Ellipse Balanced assembling 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 c...

Page 37: ...ulator case onto a hard surface as shown 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 c...

Page 38: ...aintenance January 2009 Rev ELL BAL B Ed C 12 38 2nd stage Ellipse Balanced assembling Insert the eshaust valve taking care to place correctly the shaft into its seat by pulling it from the inside of...

Page 39: ...ities Insert the fresh pad pushing it into 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...

Page 40: ...alanced assembling While inserting 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 Repla...

Page 41: ...Regulators repair and maintenance January 2009 Rev ELL BAL B Ed C 12 41 2nd stage Ellipse Balanced assembling Raising the lever insert the assembled valve inside its body as shown in the picture...

Page 42: ...ce January 2009 Rev ELL BAL B Ed C 12 42 2nd stage Ellipse Balanced assembling Check the lever works perfectly by pressing it more times it has to swing freely and go back every time to its vertical p...

Page 43: ...reasing the O ring turn the setting screw into its seat using a 0 15 in Allen wrench with a certain amount of strength to overcome the friction induced by the O ring onto the knob side Turn the settin...

Page 44: ...ody side Screw the knob including the screw into the valve body paying particular attention to line up the plastic thread perfectly with the metal one of the valve body do not insert the knob inclined...

Page 45: ...9 Rev ELL BAL B Ed C 12 45 2nd stage Ellipse Balanced assembling After screwing the adjustment knob for some turns insert the clip straight side into the hole placed on the left of the knob opening ju...

Page 46: ...Ed C 12 46 2nd stage Ellipse Balanced assembling Push the clip until its straight side comes out of the opposite hole on the knob In such way the clip bent side will be automatically placed perfectly...

Page 47: ...repair and maintenance January 2009 Rev ELL BAL B Ed C 12 47 2nd stage Ellipse Balanced assembling After placing the adjustment knob clip into its seat fully unscrew the knob thread corresponding wit...

Page 48: ...stage Ellipse Balanced assembling Replace 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 damagi...

Page 49: ...ary 2009 Rev ELL BAL B Ed C 12 49 2nd stage Ellipse Balanced assembling 1 2 After replacing and properly lubricating the knob O ring lower the lever 1 and introduce 2 the regulator mechanism into the...

Page 50: ...lipse Balanced assembling HZ 820050 OR HZ 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...

Page 51: ...lators repair and maintenance January 2009 Rev ELL BAL B Ed C 12 51 2nd stage Ellipse Balanced assembling Use a 0 75 in spanner to screw the titanium lock nut Check the lever is in parallel to the cas...

Page 52: ...ir and maintenance 2nd stage Ellipse Balanced assembling January 2009 Rev ELL BAL B Ed C 12 52 Assemble the second stage baffle inserting and pushing it into the seats in the casing as shown in the pi...

Page 53: ...maintenance January 2009 Rev ELL BAL B Ed C 12 53 2nd stage Ellipse Balanced assembling Place the diaphragm onto the ring as shown in the picture Now check their correct coupling as shown in the pictu...

Page 54: ...2009 Rev ELL BAL B Ed C 12 54 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 pict...

Page 55: ...enance January 2009 Rev ELL BAL B Ed C 12 55 2nd stage Ellipse Balanced assembling While holding the ring in your hand tightly pull gently the diaphragm plate outwards to check its perimeter sits perf...

Page 56: ...2009 Rev ELL BAL B Ed C 12 56 2nd stage Ellipse Balanced assembling Insert the button into the ring making sure all the ring teeth connect with the corresponding holes in the button The picture show...

Page 57: ...Regulators repair and maintenance January 2009 Rev ELL BAL B Ed C 12 57 1 2 3 5 4 2nd stage Ellipse Balanced assembling...

Page 58: ...Regulators repair and maintenance January 2009 Rev ELL BAL B Ed C 12 58 2nd stage Ellipse Balanced assembling Bend the swinging cap towards the exhaust valve seat 1...

Page 59: ...09 Rev ELL BAL B Ed C 12 59 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 FULCRI...

Page 60: ...Regulators repair and maintenance January 2009 Rev ELL BAL B Ed C 12 60 2nd stage Ellipse Balanced assembling 3 Keep rotating the swinging cap until the regulator is fully closed 4...

Page 61: ...aintenance January 2009 Rev ELL BAL B Ed C 12 61 2nd stage Ellipse Balanced assembling 5 Press the baffle main cap grey in the picture and close the regulator It will be fully locked after inserting t...

Page 62: ...stage Ellipse Balanced assembling Place 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...

Page 63: ...d maintenance January 2009 Rev ELL BAL B Ed C 12 63 2nd stage Ellipse Balanced assembling Insert the knob metal part into its seat NOTE push it with a certain strength in order to place it correctly i...

Page 64: ...r tap gently while pressing the second stage air outlet button If the regulator supplies air slightly push and turn clockwise the setting gauge ring HZ 710011 until the air stops flowing in this way t...

Page 65: ...n its lever idles for about 0 04 in as to the diaphragm plate The setting must be carried out on pressurized regulator The final setting can also be carried out by adjusting the lever height as to the...

Page 66: ...Regulators repair and maintenance January 2009 Rev ELL BAL B Ed C 12 66 2nd stage Ellipse Balanced setting Fully open HZ 710011 10 bar...

Page 67: ...the mouthpiece After about 0 08 and 1 16 in of H2O the regulator must start letting air flow until the second stage does so autonomously Check the correct working of the Venturi flow deviator turning...

Page 68: ...Regulators repair and maintenance January 2009 Rev ELL BAL B Ed C 12 68 2 stadio Ellipse Balanced Service records Download Tab...

Page 69: ...Regulators repair and maintenance January 2009 Rev ELL BAL B Ed C 12 69 2 stadio Ellipse Balanced Service records Download Tab Maintenance Service Record...

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