- Frank`s Hospital Workshop
Contents
1. Repeat the test but gradually reduce the size of each breath whilst maintaining the rate The ventilator should continue to inhibit until the breath taken is too small in flow or short in time to inhibit At this point the ventilator should restart auto cycling Repeat the test again but this time using short panting breaths The ventilator should ignore these and continue cycling Select the Off or Demand position Now demand a breath from the ventilator The Demand Valve should now supply oxygen to the Patient Valve Close the cylinder or supply and continue to demand breaths The breathing resistance will increase When the supply is depleted on CE ventilators the gas supply indicator should change from white to red and the internal spontaneous breathing valve should open There should be a slight increase in breathing resistance as air is drawn through the spontaneous breathing valve from atmosphere Remove the patient circuit patient valve and mask If an HMEF was not used clean the patient valve as instructed in the User s Manual Open the cylinder or supply slowly The gas supply indicator should change to white Check Frequency with No Air Mix D Connect a Pneupac ratePAC and backpressure device to the outlet port of the ventilator module ii Select No Air Mix iii Using the table below to set the controls check the frequency of the ventilator across the w2. calibrated respirometer V Tua Frequency Set Tidal Volume Actual mL bpm tolerance 1300 8 1268 1682 1000 12 851 1129 500 20 404 536 Check Tidal Volume with Air Mix 1 With the calibrated respirometer and the backpressure device still connected to the outlet port select the Air Mix position ii Repeat instructions 10 7 iii and iv iii Remove the respirometer 504 2004 Iss 5h 14 Mar 2002 10 8 Check Relief Pressure and Audible Alarm with No Air Mix 1 Select No Air Mix and set the Frequency control to its minimum ii Using the table below check the relief pressure and audible alarm of the ventilator across the whole range At each setting temporarily close the backpressure device The pneumatic audible alarm should sound backpressure device 500482803 m V pe set Pressure Relief set Pressure Relief actual 200 20 gt 12 1300 20 lt 28 800 40 32 48 800 60 48 72 200 80 gt 68 1300 80 92 10 9 Check Relief Pressure and Audible Alarm with Air Mix 1 Select Air Mix ii Repeating the instructions as in 10 8 check the relief pressure and the audible alarm of the ventilator as set below V pe set Pressure Relief set Pressure Relief actual 200 20 gt 12 10 10 Check Oxygen Concentration with Air Mix 1 Switch on the oxygen monitor and check reading is 21 Recalibrate the monitor with
3. ili iv v vi Check case lids as they can tear on hinges due to mishandling Check wooden stiffeners in side panels for rigidity Check elastic and Velcro strapping for condition and security Check case exterior for signs of splitting or wear along the edges Check all carry handles and straps for security tears and missing fittings Check all zips for security and operation 3 Check condition of Regulator Assembly D ii iii iv v vi vii viii x xi xii xiii xiv xv xvi xvii xviii xix xx 504 2004 Iss 5h The warnings in Section One relating to the use of oxygen are particularly relevant to gas cylinders and cylinder pressure regulators Check that the cylinder valve is closed and the regulator assembly is de pressurised Disconnect the equipment probes from the regulator assembly Release the T handle slowly and remove the regulator assembly from cylinder Check that the T handle is straight undamaged and screws in and out freely Check that the T handle retaining circlip is in position Check that the hexagonal nut on the pin index yoke is tight Ensure that the gas indexing pins are in position and are secure From June 1997 a sintered filter has been fitted into the end of the pin index yoke nipple Check that this filter where fitted is clean and not blocked The filter may be replaced as described in Section 4 of the Maintenance Manual 504 2008 for High Pressure Regulator Assemb
4. i ii iii iv v vi vii viii Check that the Main Pneumatic switch is in the Off or Demand position Connect the ventilator to an oxygen cylinder or supply minimum requirement 60L min at 305 kPa 3 bar Select the Off or Demand position On the P22D ensure that the humidifier connection is sealed with the captive plug Open the cylinder valve slowly On CE ventilators the gas supply indicator should now change from red to white if the supply pressure is above the minimum specified Select the On or CMV Demand position The ventilator should now begin to cycle Select the Off or Demand position and the ventilator should stop cycling If the ventilator continues to cycle after it has been switched off then the Main Pneumatic switch is leaking and must be repaired or replaced Select the On or CMV Demand position 10 2 Check function of Air Entrainment N R V D ii iii iv vi vii Set the Tidal Volume control to 200mL the Frequency control to 25 breaths per minute and the Relief valve knob to maximum Select No Air Mix With a Patient hose and patient valve connected completely occlude the outlet port and note the movement of the needle on the Inflation Pressure Monitor on the front of the ventilator This is particularly important for the EP option as no pressure will be indicated unless a complete EP circuit is connected The needle should rapidly rise to the 80 x 100Pa 80 cmH5
5. 4mm Plug W6894 Water Reservoir 1025U 04 0 1 350mm 4mmPolyurethane tube 510A2666 Complete EP Option Circuit 510A1768 Filter Kit 510 A1619 Patient Valve Adaptor W7541 Sensing Line W7213 Clip SPECIAL EQUIPMENT FOR PERIODIC CHECKING OF paraPAC P2 2D 22D Part No Description 500 A615 Regulator Test Rig Schrader 510 A1541 Pneupac ratePAC 500 A82803 Pneupac Back Pressure Device with 0 100cmH O Pressure gauge calibrated 500 82633 0 100 PSI Gauge calibrated 500 82802 Respirometer Pneupac calibrated POM 60 Oxygen Monitor 500 82073 Knob Collet Spanner 504 2004 Iss 5h 20 Mar 2002
6. Check that any accessories or spares added are MR Compatible where applicable 8 Check the Condition of the Patient Hose D ii iii iv v Check the Patient Hose for damage splits or small holes in the corrugated tube If any defect is found replace the hose tube immediately For EP Option circuits check that a complete circuit is available and that the sensing line has no defects Check that the adaptor at the Patient Valve end of the circuit is undamaged fits closely onto the Patient Valve and the sensing line connecting spigot is not damaged Replace the filter W7085 in the EP Option sensing line 9 Check the Condition of the Patient Valve D ii iii iv v 504 2004 Iss 5h Check the Patient Valve assembly for cracks splits and scoring to the connection faces Disassemble the Patient Valve by unscrewing the two parts of the body and carefully remove the valve element lip membrane Inspect the element by gently stretching looking for splits or tears Replace if necessary Carefully remove the annular disc surrounding the patient connector paraPAC 2D 22D only Inspect the element as ii above Replace if necessary Reassemble the Patient Valve ensuring that the valve element is inserted the correct way round and that the annular disc is correctly seated Recommend replacement if necessary 11 Mar 2002 10 Check the performance of the paraPAC P2 2D 22D 10 1 Check function of the Main Pneumatic Switch
7. be immersed in liquid at any time iv Note to Service Engineers It is the responsibility of the customer to present the equipment in a fit condition for use and therefore servicing if this is not your responsibility This should enable you to quickly assess the condition of the equipment overall and any obvious damage v MRI When the ventilator is being used or likely to be used in an MR Environment it is important that only MR Compatible spares or accessories are used This must be checked as part of the on site maintenance procedure vi CE Marking Some of the ventilators described in this manual carry a CE mark to certify that they have been manufactured to conform to the requirements of the European Medical Devices Directive 93 42 EEC To ensure that this equipment is maintained to the requirements of the Directive only accessories ancillaries and spares authorised by the manufacturer should be fitted All such parts sold by Pneupac have CE incorporated in their order code Parts that are not marked with CE are only for sale as spares for pre CE ventilators 504 2004 Iss 5h 3 Mar 2002 b SAFETY PROCEDURES MEDICAL GAS CYLINDERS 1 2 3 4 5 6 7 8 9 10 504 2004 Iss 5h The warnings on the previous page relating to the use of oxygen are particularly relevant to gas cylinders and cylinder pressure regulators All personnel handling medical gas cylinders should have adequate knowledge
8. collet spanner e g Pneupac 500 82073 release the knob from the spindle a For the Frequency control knob rotate the spindle until it engages the click stop position and set the indicator line on the knob at 12 bpm Ensure that the knob has a clearance of 0 5mm from the front panel and retighten Check that the knob aligns at the 8 bpm and 40 bpm positions respectively b For the Tidal Volume control knob rotate the spindle fully anticlockwise till it reaches the stop and set the indicator line on the knob align with the end of the coloured band Ensure that the knob has a clearance of 0 5mm from the front panel and retighten Rotate the knob and check that it aligns with the opposite end of the band Refit the knob cap ensuring the line on the cap aligns with the line on the knob The On Off Demand CMV Demand the Air Mix No Air Mix switch and the Variable relief switch knobs have a fixed position but the end cap can be relocated on the front of the knob to give correct indication If the caps on the above knobs have been removed for relocation or can be rotated relative to the knob during normal operation they should be secured to the knob with a very small drop of adhesive DS354 C10 Loctite Prism 460 Check that the gauge surround is secure the front panel label is secure and not damaged i e punctured Check that the gauge is in the correct vertical position and has not rotated in the shroud Replace any damaged labels
9. 100 oxygen if necessary at least once every 8 hours ii Connect the oxygen monitor to the outlet port of the ventilator iii Select Air Mix iv Set a frequency of 12 breaths per minute v Using the table overleaf check the oxygen concentration of the delivered gas 504 2004 Iss 5h 15 Mar 2002 10 10 Check Oxygen Concentration with Air Mix continued o o calibrated oxygen continued monitor POM 60 V Del Set Permissible O 5 Concentration mL 1300 44 50 500 44 50 v Select the Off or Demand position and the ventilator should stop cycling 11 Check the output from the Nebuliser connection on paraPAC P22D 1 Remove the plug from the Nebuliser connection and connect a calibrated 0 100 psi gauge to the connection ii Set the Frequency control to 8 bpm and the Flow control to maximum iii Select the On or CMV Demand position iv Check that the pressure on the gauge rises to a minimum of 29 psi during inspiration and that the pressure decays towards zero during expiration v Refit the plug or reconnect the Nebuliser Circuit 12 Check the performance of the Oxygen Therapy Unit 500 A253 or 500 A253 CE 1 Check the Therapy lead and mask s for signs of damage ii Identify the lead capacity marked on a sleeve affixed to the lead iii Remove the ventilator probe from the Regulator Assembly and insert the Therapy lead probe iv Connect the lea
10. O mark The pneumatic audible alarm should sound Remove the occlusion Select Air Mix Completely occlude the outlet port and again note the movement of the needle on the Inflation Pressure Monitor The needle should this time rise rapidly at first then slower until the 80 x 100Pa 80 cmH O is reached but with one smooth action The pneumatic alarm should again operate as in 10 2 iii If the needle rises jerkily to the 80 x 100Pa 80 cmH5O mark there is a fault within the air entrainment NRV 10 3 Check the CMV Demand Function 2D 22D only D H iii iv v 504 2004 Iss 5h Connect a test mask to the outlet port of the patient valve preferably using a Heat amp Moisture Exchange Filter to provide a contamination barrier or use a test circuit complete Set the Tidal Volume to 800mL and the Frequency to 12 BPM After giving the ventilator 4 to 5 breaths to settle down demand a breath approximately 1 5 seconds long at the end of the inspiratory phase There should be a short delay and then the ventilator should deliver a second breath Continue to demand full breaths on the ventilator at a rate faster than 12 BPM which should inhibit the automatic cycling Stop demanding breaths from the ventilator and it should begin to auto cycle after the correct expiratory time has elapsed continued 12 Mar 2002 10 3 10 4 Check the CMV Demand Function 2D 22D only continued vi vii Viil ix X xi
11. Pneupac paraPAC P2 2D 22D ON SITE MAINTENANCE PROCEDURE LEVEL ONE PERIODIC PERFORMANCE CHECKS Pneupac Ltd Bramingham Business Park Pneupac Ltd O 2002 Enterprise Way Part No 504 2004 Luton Issue 5h March 2002 Bedfordshire LU3 4BU Smiths Smiths Medical a part of Smiths Group pic CONTENTS Contents Page 1 SECTION ONE Pages 3 4 Important General Information Safety Procedures medical gas cylinders SECTION TWO Pages 5 6 Service Test Schedule SECTION THREE Pages 7 15 Service Test Procedure SECTION FOUR Page 17 18 Spare Parts List Special Equipment O This procedure is the property of Pneupac Ltd Copyright for all purposes is vested in Pneupac The reproduction of this procedure in whole or in part is prohibited without express consent in writing This procedure is offered for use only with equipment manufactured or specifically recommended Pneupac Rights are reserved to make a charge for the use of this procedure or any part thereof and such right shall subsist unless and until the same shall be expressly waived in writing Acceptance of this document will be construed as acceptance of these conditions 504 2004 Iss 5h 1 Mar 2002 INTENTIONALLY BLANK 504 2004 Iss 5h 2 Mar 2002 IMPORTANT GENERAL INFORMATION SECTION ONE a General The safety precautions given in this section are to be seen as a guide only and are not intended to be a comprehensive list i Qualified persons Persons servicing and
12. W6873 W6874 W6875 W6876 W6877 500 A177 500 A 162 500 A162 743 500 A4981 500 A254 6 W6882 W6807 W6806 W6803 W6804 500 A171 500 276 3 W7130 W7486 510A2667 510A2668 NOTE for CE paraPACs please follow the part number in the list below with CE Description Input fitting assembly Sintered Filter Retaining O ring for sintered filter Sealing Washer CMV Demand Relief Pressure Air Mix No Air Mix Control Knob CMV Demand Air Mix No Air Mix Control Knob End Cap Relief Pressure Control Knob End Cap Frequency or Tidal Volume Control Knob Frequency or Tidal Volume Control Knob End Cap Box Bungs Caps Audible Alarm Guedel Airway Size 00 Guedel Airway Size 0 Guedel Airway Size 1 Guedel Airway Size 2 Guedel Airway Size 3 Comprehensive Carrying Case Pin index regulator assembly with single Schrader Outlet Pin index regulator assembly with single Schrader Outlet with Constant Flow Selector Valve Lead Input BSP Schrader Lead O Therapy Schrader Mask O Therapy Pack 5 Mask Adult Clear Mask Child Small Adult Mask Paediatric Size 0 Mask Paediatric Size 1 Wheel Valve Cylinder Washers Pin Index 3 Patient Hose Patient Hose Silicone Patient Valve for Model 2D 22D Patient Valve for Model 2 19 Mar 2002 SPARE PARTS FOR paraPAC P2 2D 22D continued Part No Description 510A1584 Complete Nebuliser Set for P22D 510A1582 Nebuliser Assembly 510A1591
13. a new seal 500 276 to the Regulator Assembly Connect the pin index yoke to a cylinder at least three quarters full Connect the Test Unit to the outlet connector of the Regulator Assembly Ensure that the Test Unit output is pointed away from the operator and that the flow no flow switch is in the Off no flow position Open the cylinder valve slowly allowing gas into the regulator and the Test Unit With no flow the pressure gauge on the Test Unit will show the static output pressure of the regulator Record this pressure which should be between 50 80 psi 345 552 kPa Slide the flow no flow switch to the On flow position This allows gas to flow through the regulator and out of the Test Unit The pressure gauge on the Test Unit now shows the dynamic output pressure of the regulator Record the result and switch off the flow as soon as the reading is noted This dynamic pressure will be lower than the previous static pressure but should be no less than 45 psi 310 kPa Re check the static pressure reading and in particular check that it does not creep continuously higher such that it eventually exceeds the upper allowed pressure of 80 psi 552 kPa If the pressure continues to creep upwards the main valve seat is leaking and the regulator needs corrective servicing The above procedure should be repeated using a cylinder not more than a quarter full Close the cylinder valve The contents gauge should maintain a constant r
14. d to a calibrated flowmeter e g 500 82636 2 25 L min v Open the cylinder valve and check the oxygen flow from the lead is correct 41096 5 vl Close the cylinder valve and remove the Therapy lead probe from the regulator assembly 13 Check the condition of facemasks child and adult and sterile packed airways 1 Check the facemask s for damage and splits ii Check that the mask s fit properly onto the 22mm taper of the Patient Valve iii Check the packaging and sterile expiry date of Guedel airways iv Recommend replacement as necessary 504 2004 Iss 5h 16 Mar 2002 14 Check contents of customer cylinder 1 During testing do not use the gas cylinder in the set being tested ii Check that the cylinder is not empty and note the contents Advise if the cylinder content is low iii Record the date on the ring around the cylinder valve indicating when the cylinder retest is required and advise if that date is approaching 15 Check User Handbook Check the User s Handbook supplied with the set is present and in good condition If missing recommend replacement 16 Record repairs and replacements Obtain an acceptance signature on the Service Record sheet 504 2004 Iss 5h 17 Mar 2002 INTENTIONALLY BLANK 504 2004 Iss 5h 18 Mar 2002 SECTION FOUR SPARE PARTS FOR paraPAC P2 2D 22D Part No 500 A4518 W9151 W5520 W5783 W7149 W7150 W7151 W7152 W7153 500 4810 300 9377
15. eading If the pressure decays at a visible rate a leak is occurring and corrective servicing is required Vent the pressure by sliding the Test Unit switch to the On position and then remove the Test Unit Re open the cylinder valve slowly observe the contents gauge then close the cylinder valve The gauge should maintain a constant reading If the pressure decays at a visible rate the outlet connector s may be leaking and need corrective servicing Where a Constant Flow Selector Head is fitted 500 A947 or 500 A958 check the performance as follows a Connect a calibrated flowmeter e g 2 25 L min 500 82636 to the outlet connector of the Flow Head b Using the table below check performance of the Flow Head across the range Set Flow L min Actual flow L min 2 1 8 2 2 5 4 5 5 5 10 9 5 10 5 15 14 5 15 5 Replace the Regulator Assembly if any of the above checks fail or repair as detailed in the High Pressure Regulator Assembly On Site Routine Service Procedure 504 2008 8 Mar 2002 Figure 1 3 xiv 3 ii viii 4 amp ii 3 xiv x Vill 3 xi xiii Figure 2 Regulator Test Unit 500 A615 Figure 3 Regulator Test Unit 500 A615 on 500 A162 regulator 504 2004 Iss 5h 9 Mar 2002 6 Check condition of the Input Hose D ii iil iv From 1 January 2002 pressure hoses are date coded and should be replaced after 6 years use Check t
16. ecessary Check that the control knobs move smoothly are not loose on the spindles and do not rub on the front panel If the spindles are bent the knob may rub on the front panel on one side only and the needle cartridge may be damaged Rotate each control knob to its extreme limits to verify that the knob has not moved on the spindle a The Frequency control knob should align with both ends of the calibration marks i e at 8 bpm and 40 bpm but should also engage the click stop position at 12 bpm b The Tidal Volume control knob should align with both ends of the coloured indicator band c The dot on the On Off CMV Demand knob should alien with the calibration marks and there should be no intermediate position d The dot on the Air Mix No Air Mix knob should align with both indicated positions with no intermediate position The knob should click into position at the No Air Mix position and spring back to the Air Mix position when released from the click position e The Variable Relief knob should align with the calibration marks at each end of the scale If the index mark on any knob side or end cap is misaligned it must be corrected before further calibration checks are carried out To relocate the Frequency and Tidal Volume control knobs remove the end cap from the knob continued 10 Mar 2002 7 Check the condition of the paraPAC continued viii ix xi xii xiii xiv xv Using an appropriate knob
17. he label on hose for replacement date Check that there is no internal damage to the hose by feeling the rigidity of the hose and looking for sloppiness Ensure there is no delamination of the hose and no blisters or bubbles on the surface check again when the hose is pressurised Check union ends for signs of kinking and or damage to hose or union Replace hose if any of above is apparent Ta Check the condition of the paraPAC i ii iii iv v vi vii 504 2004 Iss 5h Check the ventilator looking for damage to the gas input and output fittings the gauge and gauge surround the gas supply indicator on CE ventilators only the control knobs the case and the labels On the P22D check the Nebuliser outlet connection is not blocked and the manufacturers plug is still attached to the ventilator casing On ventilators fitted with the EP Option check that the manometer connection is secure and is not blocked Check that the sintered filter in the input connector is clean and not obscured Change the input connector and or filter if the filter is dirty To change the filter first remove the connector and seal from the ventilator The filter can be replaced by removing the O ring W5520 The conical filter W9151 should now be pushed from the connector Both O ring and filter should be replaced Refit the connector with a new sealing washer W 5783 Check that the input and output connectors are secure Tighten if n
18. hole range ensuring that the backpressure is maintained at 15 x100Pa 15 cmH5O backpressure device 500 A32803 rateP AC 510 A1541 V r d Frequency Frequency Respiratory Respiratory Time mL Set bpm tolerance Time secs tolerance 1300 8 6 8 92 7 5 8 82 6 52 1000 12 10 2 13 8 5 0 5 88 4 35 800 15 12 7 17 3 4 0 4 72 3 47 500 20 17 0 23 0 3 0 3 53 2 61 23 21 25 28 75 2 4 2 82 2 12 30 25 5 34 5 2 0 2 35 1 74 200 35 29 75 40 25 1 71 2 02 1 49 40 34 0 46 0 1 5 1 76 1 30 504 2004 Iss 5h 13 Mar 2002 10 5 10 6 10 7 Check Frequency with Air Mix 1 With the ratePAC and backpressure device still fitted select Air Mix ii Repeat instruction 10 4 iii iii Remove the ratePAC and reconnect the backpressure device Check Tidal Volume with No Air Mix 1 Connect a calibrated respirometer to the outlet port of the backpressure device ii Set a backpressure as the table below and the Pneupac date code chart depending on the model and year of manufacture of the ventiPAC Pre February 1992 No back pressure Post February 1992 10 x100Pa 10 cmH20 back pressure Post December 1992 15 x100Pa 15 cmH20 back pressure iii Select No Air Mix iv Using the table below to set the controls and the calibration chart for the respirometer check the tidal volume of the ventilator across the whole range Note the respirometer serial number backpressure device
19. k Regulator output Check condition of Input Hose Check condition of the paraPAC Check condition of patient hose Check condition of patient valve Check the performance of the paraPAC Check function of On Off switch Check function of Air Entrainment NRV Check the CMV Demand function 2D model only Check Frequency with no air mix Check Frequency with air mix Check Tidal volume with no air mix Check Tidal volume with air mix Check relief pressure audible alarm with no air mix Check relief pressure audible alarm with air mix Check O concentration with air mix Check the output from the Nebuliser output on P22D continued 5 Mar 2002 12 13 14 15 16 TEST SCHEDULE FOR PERIODIC CHECKING OF paraPAC P2 2D 22D continued Check Oxygen Therapy unit Check condition of face masks child and adult and sterile packed airways Check contents of customer cylinder Check User Handbook Record repairs and replacements 504 2004 Iss 5h 6 Mar 2002 SECTION THREE PROCEDURE FOR PERIODIC CHECKING OF paraPAC P2 2D P22D 1 Record the serial number and model of the paraPAC and where applicable the serial number on the regulator assembly body Using the Pneupac datecode chart check if the regulator assembly requires the recommended 4 5 year complete disassembly service refer also to Maintenance Manual 504 2008 for High Pressure Regulator Assembly 2 Check condition of Carry Case D ii
20. ly Check the gas specific outlet connector and assembly for slackness and tighten if loose Check that the relevant probe fits correctly into the connector Check that the gauge is not loose and has not been bent in relation to the regulator Inspect the gauge for visible damage front and back Ensure that the gauge indicator needle is positively against the zero position stop Check that the gauge is fully protected by its rubber shroud and that the shroud is not damaged Check that the two rubber blow out discs in the over pressure relief ports are in place in the regulator body On CE regulators check that the secondary relief valve on the corner of the regulator block is not damaged or blocked If damage is evident the regulator must be changed If a Constant Flow Selector Head is fitted check the condition looking for damage to the head and or the outlet connector Check that the head is securely fastened to the regulator manifold Check that the Constant Flow Selector Head clickstop mechanism is effective Check that any movement between the pin index yoke and the regulator assembly disappears when the assembly is attached to a cylinder 7 Mar 2002 4 Check condition of cylinder key 1 ii Replace if cracking is apparent Check attachment cable is not frayed or damaged Replace if necessary 5 Check Regulator output i ii iii iv v vi vii viii ix x xi xii 504 2004 Iss 5h Fit
21. of the properties of the gas precautions to be taken and the correct operation of the equipment Check the cylinder for the name of the gas and the colour code to ensure that the correct cylinder is being used Before using a cylinder check it and its valve are in good condition If there appears to be any damage do not use it All cylinders are fitted with a colour coded ring on the valve stem showing when it is due for inspection or test Check that the cylinder is within date If not do not use it Completely remove the plastic seal from the valve Open the valve momentarily to blow any contamination out of the valve outlet Ensure that the outlet is not directed towards any person Ensure that the connecting faces on the cylinder and the regulator or fitting are clean and free from scoring or damage The regulator or fitting can now be attached using only a reasonable amount of effort to tighten the connection Never use a hammer or lever Always open the cylinder slowly Always close the cylinder fully before disconnecting a cylinder and fit a cap or tape to the cylinder valve outlet to keep it clean 4 Mar 2002 10 10 1 10 2 10 3 10 4 10 5 10 6 10 7 10 8 10 9 10 10 11 504 2004 Iss 5h SECTION TWO TEST SCHEDULE FOR PERIODIC CHECKING OF paraPAC P2 2D 22D Report Details Check condition of Carry Case Check condition of Regulator Assembly Check condition of cylinder key Chec
22. repairing Pneupac ventilators and regulators must be adequately trained and certified by the manufacturer for this task and must be fully conversant with the relevant contents of the User s Manual supplied with the equipment Engineers must perform service repair and testing of equipment in line with both Health and Safety at Work regulations and their own employer s procedures and observe the appropriate precautions necessary when handling pressurised gases This Maintenance Procedure should be read fully before commencing servicing and testing ii Frequency Checking Regular performance checking of the paraPAC ventilator must be carried out with equipment calibrated to ensure accuracy under the flow patterns generated by the ventilator The user should determine the frequency of periodic checks dependent upon the intensity of use Normally this would be not more often than once every 6 months but at least once every 2 years iii Oxygen Safety WARNING Oil grease or combustible lubricants other than those approved for oxygen service must never be allowed to come into contact with the parts of the ventilator oxygen regulator cylinder repair tools or repair surfaces used in the servicing of this equipment Particular care should be taken to avoid any trace of contamination around the oxygen inlet and outlet ports of the ventilator Oil or Grease oxidise readily and in the presence of oxygen will burn violently Regulator assemblies must not
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