Ohio Legacy Intermittent Vacuum Regulator Service Manual Read
Contents
1. 1 WARNING Clean and sterilize all multiple use suction equipment if contaminated before disassembly to ensure service personnel are not exposed to hazardous contamination CAUTION The gauge assembly must be handled with utmost care to retain its precision If the lens is removed do not rest the gauge on its face See Section 10 1 Illustrated Parts Remove all fittings from the regulator and ensure that the mode selector knob is in the O OFF position Remove the three cover screws from the back of the unit Rotate the suction control knob counter clockwise decrease until it is free from the regulator module Carefully pull the cover and knob assembly off of the backplate To remove the gauge assembly grasp the dial mounting bracket and pull straight out The snap fit lens cover can also be removed if applicable for replacement Replace gauge O rings if required To remove the regulator module grasp and pull it from the backplate Pull down plastic tab with right index finger while holding gauge frame with left hand 6 Snap fit Lens Removal Note To disassemble the regulator module refer to Section 7 3 Regulator Module Remove the unilogic module by carefully pulling the module away from the backplate This releases the tubing connections Replace beige and green filters and silastic tubes if required 6700 0082 000 Rev 4 10 2012 15 7 Service Disassembly and Assembly T 102. hio Medical Corporation always there for life Intermittent Suction Unit ISU Service Manual Bros 6700 0082 000 Rev 4 10 2012 User Responsibility This Product will perform as described in this operating manual and accompanying labels and or inserts when assembled operated maintained and repaired in accordance with the instructions provided This Product must be checked periodically A malfunctioning Product should not be used Parts that are broken missing plainly worn destroyed or contaminated should be replaced immediately Should such repair or replacement become necessary Ohio Medical recommends that a telephonic or written request for Technical Competence The procedures described in this service manual should be performed by trained and authorized personnel only Maintenance should only be undertaken by competent individuals who have a general knowledge of and experience with devices of this nature No repairs should ever be undertaken or attempted by anyone not having such qualifications service advice be made to the nearest Ohio Medical Service Office This Product or any of its parts should not be repaired other than in accordance with written instructions provided by Ohio Medical or altered without the prior written approval of Ohio Medical s Safety Department The user of this Product shall have the sole responsibility for any malfunction which results from improper use faulty maintenanc
3. 2 2 International ISO Vacuum Regulators Note Part numbers given are for vacuum regulators without fittings or adapters probes ISU Pediatric ISU 6700 1253 900 6700 1273 900 6 6700 0082 000 Rev 4 10 2012 3 Description and Specifications 3 1 Description A WARNING Do not use this device in the presence of flammable anesthetics Static charges may not dissipate and possible explosion hazard exists in the presence of these agents The ISU is a dual purpose vacuum regulator which provides either intermittent or continuous suction It can be used for NG intermittent or pharyngeal tracheal continuous suctioning throughout the hospital On the Pediatric ISU the maximum vacuum limit is factory present to 135 mmHg 18 0 kPa and the limit may be adjusted between 80 and 150 mmHg 10 7 and 20 0 kPa The low gauge and the baby icon on the cover distinguish it from the standard ISU Each unit contains a regulator module to regulate and adjust suction a vacuum gauge which indicates suction supplied a patented Unilogic Module to silently switch suction on and off and timing valves which select and adjust the length of the on and off cycles In use the vacuum source is connected through the regulator module which functions as an automatic valve Rotating the suction control knob adjusts the position of the regulator module and selects a predetermined level of suction During use as the flow requirement increas
4. 7 5 Vacuum Limit Pediatric ISU Only This step is only necessary if the vacuum limit is not holding steady over time 1 Remove the cover by removing the three cover screws from the back of the unit 2 Remove the screw washer and black plastic cam form the suction control knob 3 Place 1 16 hex key wrench through hole in stud to engage wit the internal adjusting set screw 4 Hold suction control knob in place and turn the set screw clockwise to remove it out the back NOTE Set screw can not be removed by turning it counter clockwise 5 Place a small drop of 242 Loctite on the threads near the head end of the set screw 6 Assemble set screw back into the stud Insert the hex key wrench through knob and stud and engage head end of set screw From knob site turn hex key wrench counter clockwise to start threads Continue to assemble by turning counter clockwise until the end of the set screw is only protruding a small amount Cover 18 6700
5. and perform the pre use checkout procedure Section 4 4 Pre use Checkout Procedure If the regulator does not pass refer to troubleshooting Section 6 Troubleshooting 2 Determine a maintenance schedule based on data from your periodic inspections Following the guidelines below Service Checkout Procedure Elastomeric parts O rings gaskets diaphragms positive pressure safety relief valves Pediatric ISU ONLY internal filters As required Every 12 months If the regulator does not pass refer to troubleshooting Section 6 Troubleshooting Repair as needed Cleaning lubrication and replacement interval depends on hours of usage and environmental conditions Replace and repair as needed 6700 0082 000 Rev 4 10 2012 23 8 Service Checkout Procedure 9 3 Repair Policy A WARNING Clean and sterilize all multiple use suction equipment before shipment to ensure transportation personnel and or service personnel are not exposed to any hazardous contamination A CAUTION Do not steam autoclave or liquid sterilize the ISU Severe impairment to the operation of the regulator will result The only acceptable method of sterilization is with gas ethylene oxide A CAUTION Only competent individuals trained in the repair of this equipment should attempt to service it Do not use malfunctioning equipment Make all necessary repairs Have the equipment repaired by qualified service personnel or by Ohio Medi
6. 0082 000 Rev 4 10 2012 8 Service Checkout Procedure 7 Assemble screw washer and black plastic cam on suction control knob 8 Assemble cover onto unit See Section 7 2 2 Assembly Step 13 9 Reset vacuum limit See Section 8 10 Vacuum Limit Adjustment Pediatric ISU ONLY A WARNING If the vacuum regulator is repaired or disassembled in any manner the service checkout procedure Section 8 Service Checkout Procedure must be performed before using the equipment on the patient Important This entire procedure must be performed in numerical order 8 1 Set up 1 Verify that a minimum of 500 mmHg 66 7 kPa vacuum exists at the supply vacuum gauge 2 The supply open flow must be 50 LPM minimum Vacuum Regulator Adapter Port rm er p gt Fitting Port 1 4 in I D Clear Tubing with Knife Edge Water V 8 2 Leak Test Supply Side 1 Connect the supply vacuum tubing to port A of the bubble leak tester 2 Connect port B of the bubble leak tester to the regulator adapter probe port 3 Set the supply vacuum to 500 mmHg 10 mmHg 66 7 kPa 1 3 kPa on the supply vacuum gauge 4 Turn the mode selector knob to O OFF Allow the fitting port to be open to air Wait 5 seconds No more than 5 bubbles should appear in the bubble leak tester for the next 10 seconds Important Prior to venting Port A of the bubble leak tester to atmosphere i e
7. 1 Regulator Module Replacement Mr 6700 0030 700 Includes the following parts O ring Stem O ring Diaphragm Stem Screw Cap Screw 2 These parts are available only in kit form If other parts are needed for replacement the entire Module must be ordered 6700 1225 800 2 Complete Filter and O ring Replacement Kit rrranonnnonnnnnnn 0221 5887 300 Includes all O rings 16 and Filters 5 for servicing the regulator 3 Complete O ring Replacement Ni 0210 0474 870 Includes all O rings 16 for servicing the regulator 4 Complete Filter Replacement RE EE 0221 5884 870 Includes all Filters 5 for servicing the regulator 5 Mode Selector Knob Replacement SG OE EN 0221 5897 300 Includes the following parts Mode Selector Knob Extension Hardware 6 Suction Control Knob Replacement fa Tb Feie 0221 5898 300 Includes the following parts Suction Control Knob Threaded Stud Hardware ISU Backplate Replacement Kit North American rronnrnannnnnrnnnnnnr 6700 0002 700 Includes the following parts Backplate Assembly Gasket ISU Mounting Plate Screw 4 ISU Backplate Replacement Kit International scccccecaemncvnversicatinncacer 6700 0003 700 Includes the following parts Backplate Assembly Gasket ISU Mounting Plate Screw 4 26 6700 0082 000 Rev 4 10 2012 Appendix Installation procedure for Adapters Probes and Fittings All adapters probes and fittings should b
8. 11 12 Remove the timing valves by pulling the valve stem out of the backplate Replace the filters if required Note To disassemble the timing valves refer to Section 7 4 Timing Valves If the mode selector switch needs service carefully unscrew the center retaining screw while holding the main valve body Remove the washers detent plate ball bearings and valve body Replace O rings if required Remove the gauge bleed hole filter from the backplate Replace if required Remove the flow control valve by turning counter clockwise until it is out of the backplate For the Adult ISU Remove the ISU mounting plate by removing the four screws and pulling the plate and gasket from the backplate Replace gasket if required For the Pediatric ISU a Remove the Pediatric ISU mounting plate by removing the four screws and pulling the plate and gasket from the backplate b Replace gasket if required Use Pediatric ISU gasket ONLY 6700 0221 500 c To remove valves grasp top of valve and pull Replace positive pressure relief valves if required d Under the suction control knob there is a brass stud and a retaining ring DO NOT remove these parts from the cover assembly 7 2 2 Assembly A CAUTION To prevent stripping the plastic threads place the screw in the hole and turn counter clockwise until it drops into the original threads then tighten the screw Lubricate all O rings and the gasket with a small
9. 6700 0426 850 6700 0427 850 6700 0002 700 6700 0090 700 6700 0680 850 6700 0681 850 6700 0003 700 6700 0682 850 6700 0152 400 6700 0043 400 North American Standard North American Low International Standard CE International Low CE 29 Cover Screw 30 Nameplate Wrench 31 Cover amp Knob Assy Standard Model Pediatric Model 32 Mode Selector Knob 33 Suction Control Knob Standard Model Pediatric Model order item 31 34 Mounting Plate Std ISU Standard Model Pediatric Model order item 38 35 Gasket 6700 0009 700 6700 0091 700 6700 0683 850 6700 0684 850 0221 5897 300 0221 5852 870 0221 5898 300 0221 5853 870 6700 0053 400 6700 0252 400 6700 0030 500 6700 0221 500 6700 0151 400 Standard Model Pediatric Model order item 38 36 Screw 37 Positive Pressure Relief Valves Pediatric ISU Only 38 Pediatric Mounting Plate Assembly Only 39 Service Manual 6700 0687 850 6700 0689 850 6700 0199 700 Kits contain the noted quantities of items in the Pa 3 corresponding rows i 2 et 6700 0082 000 Rev 4 10 2012 25 10 Ordering Information Description Part Number 1 Mounting Plate ISU 6700 0053 400 EE siiersscszicaandinatecenchitiactaniux 6700 0030 500 3 Serial Number Label 4 Screw 4 Or Sy rnnnrnnnnnnvnnnnnnnr 6700 0151 400 10 Backplate Assembly 6700 0043 500 yThese parts are available as service kits See section 10 2 10 2 Service Kits
10. amount of Dow Corning 111 grease before assembly For the Adult ISU Place the lubricated mounting plate gasket onto the holes and install the mounting plate onto the backplate Ensure the protruding posts on the mounting plate align in to the backplate properly For the Pediatric ISU Install new positive pressure relief valves by pulling tail of valve through the small hole on the mounting plate When installed the three other vent holes should be covered After valve is installed clip the tail Place the lubricated mounting plate gasket onto the backplate Ensure the protruding posts on the mounting plate align into the backplate properly Install the flow control valve into its proper location Use the proper tool to rotate the valve clockwise approximately 3 full turns taking extra care to ensure that the threads are engaged properly Place the gauge bleed hole filter into its proper location Push until it bottoms on the backplate Mode Selector Switch Assembly a Place the four selector switch O rings into their proper location on the backplate b Install the main valve body on the backplate post with the protruding ear at the 3 o clock position Ensure the valve body seats on the four O rings c Place the four ball bearings on top of the valve body Place the detent plate on top of the four ball bearings smooth side down Place the spiral spring washer on top of the detent plate Place the flat washer on to
11. the piston into the diaphragm and ensure that the retainer mates with the recess in the piston 4 Insert the stem through the piston 5 Holding the retainer diaphragm piston stem as an assembly with your fingers insert the stem screw and tighten 6 Place the spring in the housing 7 Insert retainer diaphragm piston stem assembly through the spring and into the cavity in the housing Fit the diaphragm bead into the groove in the housing Install the cap and the two cap screws Apply a small amount of Dow Corning 111 grease to the O rings only 10 Install O rings onto the stem and housing Retainer Stem Stem Piston Screw Diaphragm 7 4 Timing Valves A CAUTION Do not over tighten the timing valve stem Needle portion of the valve may be damaged 7 4 1 Disassembly 1 Remove the O rings from the valve base and replace if required 2 Rotate the valve stem counter clockwise until it is removed from the valve base 3 Inspect the needle and O ring Replace O ring if required 7 4 2 Assembly 1 Install all O rings and apply a small amount of Dow Corning 111 grease to the O rings 2 Carefully insert the valve stem into the valve base and rotate clockwise approximately 5 full turns The final valve stem position will be set in Section 8 Service Checkout Procedure 1 2 3 Q Description Valve Stem O Ring Valve Base O ring Filter O ring gt O Timing Valve Assembly
12. the selector mode knob to CONT perform the following 2 3 Set 120 mmHg 16 0 kPa on the regulator gauge 4 Turn the mode selector knob to O O INTER with the fitting port still occluded Wait 20 seconds ol If the regulator does not cycle On use a flat head screwdriver to rotate the Off timing valve stem counter clockwise until the regulator cycles On Wait 20 seconds If the regulator does not cycle Off use a flat head screwdriver to rotate the On timing valve stem counter clockwise until the regulator cycles Off 9 Once the regulator has completed an On and Off cycle fine tune each cycle to the desired time by adjusting the corresponding valve To increase the time turn the timing valve stem clockwise To decrease the time turn the timing valve stem counter clockwise Use Ohio Medical VACUTIMER P N 6700 0428 800 to digitally adjust timing cycles Timing valve stem Flow Control valve access Nameplate wrench Setting the Timing Cycles and Intermittent Mode Flow Rate 6700 0082 000 Rev 4 10 2012 21 8 Service Checkout Procedure 8 7 Vacuum Build up Bleed down Test Intermittent Mode 1 Connect the regulator fitting port to the 1 2 gallon reservolr 2 During the On cycle check that the suction increases to the preset 120 mmHg 16 0 kPa on the regulator gauge in 5 seconds or less 3 During the Of cycle chec
13. the usable volume of the collection container shall be not less than 500 mL High Flow Suction Filters Hydrophilic Pkg of 20 6730 0350 800 Pkg of 200 6730 0351 800 Hydrophobic Filter Tubing x 1 8 NPT x tubing nipple tubing nipple Pkg of 3 6730 0570 800 6 730 0580 800 Pkg of 10 6730 0571 800 6 730 0581 800 Pkg of 100 6730 0572 800 6 730 0582 800 Vacuum Port Connective Tubing Patient Port Collection Bottle Unulerwwater Seal Line Equipment Set Up 6700 0082 000 Rev 4 10 2012 9 4 Operation 4 1 1 Attaching the Overflow Safety Trap OST A CAUTION To help prevent aspirate from entering the regulator wall outlet and pipeline system an overflow safety trap should be attached prior to its use Aspirate in the regulator wall outlet and pipeline system may impair their operation The use of the overflow safety trap and suction filter will help prevent this and extend the life of suction equipment Standard fitting Raise the sleeve and insert the trap into the regulator fitting Turn the trap clockwise about one and a half turns Regulator to engage the threads The trap does not need to be screwed tight an O ring in the regulator fitting provides a vacuum seal The trap should rotate freely to allow the desired tubing positioning Lower sleeve to lock trap in position DISS fitting Insert trap into the regulator fitting Situate t
14. 1 Remove the cap screws 2 and remove the cap clockwise increase until the cover is flush withthe 2 Remove the O rings 2 backplate 3 Observe the position of the diaphragm convolution 14 Install the three cover screws to aid in assembly 15 Install all fittings 4 Withdraw the diaphragm stem assembly from the Note For proper installation of adapters probes housing and fittings see Appendix A 1 5 Remove the spring 7 3 Regulator Module 6 Grasp the stem with your fingers and unscrew the stem screw A CAUTION Do not lubricate any internal components of the regulator module A CAUTION The cap screws can strip the regulator module housing threads if they are screwed in too tight 7 Remove the retainer diaphragm and piston from the stem Pediatric ISU Regulator Module 2 O Description O ring Stem O ring NOTE The pediatric regulator Housing cap is different from that of the Stem standards ISU shape and Spring material aluminum Only use Piston the cap pictured above on the Diaphragm Pediatric ISU Retainer Stem Screw Cap Cap Screw ee Ea sr AJ Parts and Descriptions 6700 0082 000 Rev 4 10 2012 17 7 Service Disassembly and Assembly 7 3 2 Assembly 1 Return the diaphragm to its original position convoluted with the molded number facing the retainer 2 Assemble the diaphragm onto the retainer by lining up the center holes as shown in the diagram 3 Insert
15. 35 mmHg 10 mmHg 18 0 kPa 1 3 kPa Note Internal adjusting set screw may need to be rotated counter clockwise to reach desired vacuum limit See Step 6 Place 1 16 hex key wrench through hole in stud to engage with set screw Hold suction control knob in place and tighten set screw clockwise until the end of it bottoms out on the inside of the cap bore Turn suction control knob counter clockwise and then back to the vacuum limit to test the limit setting Assemble screw washer and black plastic cam on suction control knob 1 4 1 D Clear Tubing with Knife Edge Water Bubble Leak Tester Bubble Leak Test Patient Side 22 6700 0082 000 Rev 4 10 2012 9 1 General Maintenance of Suction Equipment A WARNING The pre use checkout procedure Section 4 4 Pre use Checkout Procedure must be performed before using this equipment on each patient If the regulator fails any part of the Pre use Checkout Procedure it must be removed from service and repaired by qualified service personnel A WARNING Clean and sterilize all suction equipment if contaminated before disassembly to ensure service personnel are not exposed to hazardous contamination ISUs and Pediatric ISUs should be kept in use or used on a rotating basis Internal parts of unused equipment may tend to deteriorate Maintenance of the vacuum piping system is as important as maintenance of the suction equipment The use of collection cani
16. 55 0800 F 1 847 855 6218 Ohio Medical Corporation Authorized Representative EC REP OxygenCare Ltd 2 Holfeld Business Park Kilmacanogue Co Wicklow lreland Tel 353 1 2769700 Fax 353 1 2764970 2012 Ohio Medical Corporation This document contains information that is proprietary and confidential to Ohio Medical Corporation Use of this information is under license from Ohio Medical Corporation Any use other than that authorized by Ohio Medical Corporation is prohibited Ohio Medical Ohio Medical Corporation and the Ohio Medical Corporation Logo are registered trademarks of Ohio Medical Corporation ISO is a registered trademark of International Organization for Standardization Loctite is a registered trademark of Loctite Corporation Teflon is a registered trademark of E I duPont de Demurs and Company NFPA is a registered trademark of National Fire Protection Association Inc Freon is a registered trademark of E I du Pont de Nemours and Company Dow Corning is a registered trademark of Dow Corning Corporation Vac Kote is a registered trademark of Ball Aerospace amp Technology Corporation ANSI is a registered trademark of American National Standards Institute 6700 0082 000 Rev 4 10 2012
17. ENG 19 8 2 Leak Test Supply Side rrrrrronrrrnnrrrnnnrrnnre 19 59 FOW EL ee 20 8 3 1 Continuous Mode Flow Test 20 8 3 2 Intermittent Mode Flow Test 20 6700 0082 000 Rev 4 10 2012 3 1 Precautions 1 1 Definitions Note A Note provides additional information to clarify a point in the text Important An Important statement is similar to a note but of greater emphasis A CAUTION A CAUTION statement is used when the possibility of damage to the equipment exists A WARNING A WARNING statement is used when the possibility of injury to the patient or the operator exists 1 2 Warnings The pre use checkout procedure Section 4 4 Pre use Checkout Procedure must be performed before using this equipment on each patient If the regulator fails any part of the pre use checkout procedure it must be removed from service and repaired by qualified service personnel Connect the vacuum regulator to the vacuum Source only Connection to positive pressure sources such as oxygen and medical air even momentarily could injure the patient or operator Always connect the regulator to the vacuum source and check its operation before attaching the patient connection The fitting port of the regulator must be occluded when setting the prescribed suction level This prevents the patient from receiving higher than required suction levels Do not use this device in the presence of flammable anes
18. acuum calibration gauge with tubing 2 Turn the mode selector knob to CONT 3 Ensure that the regulator gauge is in agreement with the low vacuum calibration gauge within the tolerances listed above Recommended test points are Adult ISU 40 80 140 and 200 mmHg 5 3 10 7 18 7 and 26 7 kPa Pediatric ISU 40 80 and 120 mmHg 5 3 10 7 and 16 0 kPa 4 Adult ISU ONLY Rotate the suction control knob fully clockwise increase and verify the gauge s reading is in the FULL VAC range 5 Rotate the suction control knob fully counter clockwise decrease and verify the gauge s reading decreases to zero 8 5 Regulation Test 1 Disconnect the low vacuum calibration gauge from the regulator fitting port 2 Occlude the fitting port 3 Set 90 mmHg 12 0 kPa on the regulator gauge 4 Open and close the fitting port several times 5 Check that the regulator gauge reads between Adult ISU 80 mmHg 10 7 kPa and 100 mmHg 13 3 kPa when the regulator fitting port is occluded Pediatric ISU 82 mmHg 10 9 kPa and 98 mmHg 13 1 kPa when the regulator fitting port is occluded 8 6 Timing Cycle Adjustment A WARNING If the screws on the timing valves are turned all the way clockwise the ISU and the Pediatric ISU will not cycle Factory Settings On Cycle 15 seconds 3 seconds Off Cycle 8 seconds 3 seconds To set the timing cycles procedure 1 Occlude the fitting port Turn
19. amp O Ring Kit O Ring Kit Filter Kit 6700 0030 700 Diaphragm Rpl Kit Description Part Number Part Number 1 Gauge Assy Includes O rings and Lens North American Std 0 200 mmHg North American Low 0 160 mmHg International Std ccw 0 200 mmHg International Low ccw 0 160 mmHg Gauge Lens O ring 2 012 Buna N Screw Retaining Washer Spiral Spring Washer Detent Plate Ball Switch Main Valve Body 10 O ring 2 010 Buna N 11 Regulator Module Standard Model Pediatric Model 12 Screw 4 20 Ph Hd 13 Screw 4 40 Ph Hd 14 Diaphragm 15 O ring 2 016 Buna N 16 O ring 2 004 Buna N 17 Gauge Filter 18 Flow Control Valve 19 O ring 2 011 Buna N 20 Timing Valve 21 O ring 2 006 Buna N 22 O ring 2 014 Buna N 23 Filter 24 Unilogic Module 25 Filter Green 6700 0050 200 0205 8689 870 6700 0050 202 6700 0098 200 6700 0090 200 6700 0050 205 6700 0087 500 6700 0130 500 6700 0150 400 0402 0748 300 6700 0168 400 0214 3213 300 0409 1684 300 0221 5891 300 6700 0131 500 6700 1225 800 6700 0026 700 6700 0685 850 6700 0686 850 6700 0136 500 0210 0527 300 0210 6540 300 0207 0132 300 6700 0133 500 0207 8295 300 0207 8298 870 0210 0593 300 6700 0135 500 0221 5883 300 6700 0093 200 6700 0024 700 0221 5879 300 0221 5880 300 6700 0095 400 26 Filter Beige 27 Tube 28 Backplate Assy North American International 28A Backplate Assy with Mount Plate a TANGA FELMLATAIRK
20. cal Parts listed in this service manual may be repaired or replaced by a competent trained person who has experience in repairing devices of this nature After repair perform the service checkout procedure Section 8 Service Checkout Procedure to ensure that it is functioning properly and complies with the manufacturer s published specifications 9 4 Technical Assistance If technical assistance is required contact Ohio Medical technical support or field operations listed on the back cover 9 5 Return Instructions 1 Clean and sterilize the vacuum regulator 2 Package the vacuum regulator securely for protection preferably in the original container 3 Include a letter describing in detail any difficulties experienced with the vacuum regulator Include the person title and telephone number to contact for functional questions 4 Include a purchase order to cover repair of a regulator not under warranty 5 Ship the vacuum regulator prepaid Write your return address and billing address information on the package or letter that comes with the package For warranty and non warranty repairs mail the package to Ohio Medical Corporation 1111 Lakeside Drive Gurnee IL 60031 In other locations contact your nearest Ohio Medical office or authorized Ohio Medical distributor 24 6700 0082 000 Rev 4 10 2012 10 Ordering Information 10 1 Illustrated Parts Paris MultiPaks kits 0211 5887 300 Filter
21. components rupture with regulator module replacement kit Stem screw loose Tighten stem screw 1 2 No gauge indication but 1 Blocked gauge pressure sensing Unblock orifice 2 3 1 suction is being delivered orifice Gauge mechanism locked by Remove debris debris Gauge mechanism damaged Replace gauge Gauge indication but no Blocked fitting port Unblock port suction is being delivered Overflow safety trap shut off Reset float empty overflow safety trap Blocked external filter Replace external filter 4 Blocked fitting Replace fitting Suction level cannot be 1 Regulator module malfunction See Regulator module adjusted malfunction under Problem column in this section of the manual Insufficient flow through 1 Partial blockage in wall supply Confirm wall supply open air regulator flow meets minimum hospital requirements Unblock if necessary 2 Partial blockage in regulator Perform the Flow Test in Section 8 Service Checkout Procedure of this manual Clear blockage if necessary Inaccurate gauge Damaged gauge 2 Replace gauge reading Note All gauge needles should return to the stop pin when no suction is being supplied 6700 0082 000 Rev 4 10 2012 13 6 Troubleshooting l ie Blocked filter and or orifice Clear orifice and replace filter Problem gt does not return to Zero when switched to O OFF Limited suction in any setting and whistling n
22. driver or a ball hex key wrench adjust the flow control valve to PEA SE produce a flow rate of 8 LPM To increase the flow rate turn the valve counter clockwise To decrease the flow rate turn the valve clockwise 4 Verify that the flow rate exceeds ON Timing Vacuum Regulator valve Supply Vacuum Gauge Valve Supply Regulator Set to 500 mmHg 66 7 kPa Mode Suction Selector Knob Control Knob Supply Vacuum 500 mmHg 66 7 kPa Minimum and Open flow ae at of 50 LPM Minimum r ON Timing Valve gt Occluded Low Vacuum Flowmeter Flowmeter Calibration Gauge Lig Gid 50 LPM 10 LPM 225 mmHg 30 0 kPa TRAR Service Checkout Tests 20 6700 0082 000 Rev 4 10 2012 8 Service Checkout Procedure 8 4 Gauge Test Note All Ohio Medical gauges are supplied with an accuracy of 5 of full scale deflection throughout their range The ISU vacuum gauges have an accuracy of Gauge Range Accuracy 0 200 mmHg 0 26 7 kPa 10 mmHg 1 3 kPa 0 760 mmHg 0 101 3 kPa 38 mmHg 5 1 kPa 0 160 mmHg 0 21 3 kPa Note All gauge needles should return to the stop pin when no suction is being supplied Gauges which do not comply may be out of calibration 8 mmHg 1 1 kPa When checking gauge accuracy be sure that the calibration gauge has an accuracy of 1 of full scale deflection or better 1 Connect the regulator fitting port to the low v
23. e improper repair damage or alterations by anyone other than Ohio Medical Genuine replacement parts manufactured or sold by Ohio Medical must be used for all repairs Read completely through each step in every procedure before starting the procedure any exceptions may result in a failure to properly and safely complete the attempted procedure Abbreviations used in this manual inHg Inches of mercury in Inch ISU Intermittent Suction Unit kPa Kilo pascals kPa x 7 50 mmHg LPM Liters per minute mmHg Millimeters of mercury mmHg x 133 kPa mm Millimeters mL Milliliters OZ Ounces CONT Continuous On OJO INTER Intermittent O OFF Off C Degrees Celsius P Degrees Fahrenheit N m Newton Meter N m x 737 ft lb ft lb Foot Pound Force ft lb x 1 356 N m DISS Diameter Index Safety System OES Oxequip Suction NCG National Compressed Gases Chemetron BOC British Oxygen Corporation NPT National Pipe Thread USA NPTF National Pipe Thread Female USA MPTS Multi Purpose Therapy Stand I D Inner Diameter gal gallon PTFE Polytetrafluoroethylene NG Nasogastric PED Pediatric NFPA National Fire Protection Association ISO International Organization for Standardization 2 6700 0082 000 Rev 4 10 2012 Table of Contents TV Precaunlohsuuasussmarsiansansnsemmsnmnenivnen 4 8 4 Gauge TeSt ccccccccccsssseccssseeessseeeseseeeseees 21 1 1 Definitions rrnrrnnnnnrnnrnnnvrvnn
24. e sealed and installed properly to prevent leaks and to support the equipment when mounted Both vacuum regulator ports are 1 8 27 NPTF tapered pipe threads It is important to note that adapters probes and fittings seal on the thread and may have threads exposed after they have been tightened properly Prior to installing the adapter probe or fitting seal the thread with Teflon PTFE tape or one of the following lubricants Dow Corning 111 Ohio Medical P N 6700 0074 200 Ball Vac Kote 27951M Ohio Medical P N 0220 0091 300 A CAUTION Do not use any Loctite products to seal the threads or products which contain methacrylate ester as an active ingredient The torque range for installing adapters probes and fittings is 4 0 ft lb 5 4 N m minimum to 10 0 ft lb 13 6 N m maximum Adapters probes and fittings which are not keyed for specific orientation should be torqued to approximately 6 0 ft lb 8 1 N m Adapters probes and fittings that are keyed to specific orientation must be torqued initially to 4 0 ft lbs Additional torque is applied only until orientation is correct 6700 0082 000 Rev 4 10 2012 A 1 10 Medical Corporation always there for life North America United States Customer Service Distribution Center Technical Support Sales and Service Equipment Service Center Ohio Medical Corporation 1111 Lakeside Drive Gurnee IL 60031 USA P 1 866 549 6446 P 1 847 8
25. ed at temperatures of 125 to 135 F 52 57 C If this temperature cannot be obtained room temperature sterilization with 100 ethylene oxide can also be used Sterilization is not recommended as a standard procedure after each use 3 After each sterilization check the condition of the internal filters Replace any shrunken filters before returning the regulator to service Place the regulator in the vertical position and connect to a supply vacuum of 500 mmHg 66 7 kPa 12 6700 0082 000 Rev 4 10 2012 6 Troubleshooting Problem gt No gauge indication and No supply vacuum Correct supply problems no suction in any setting Kinked tube _ Straighten tube Poor connection Check all connections and seals Blocked wall outlet Unblock outlet Blocked adapter port Unblock port Blocked backplate Clean with soap and water and a pipe cleaner Loose mounting plate Tighten the 4 mounting screws Bad or missing mounting plate Replace Install gasket gasket Regulator module malfunction See Regulator module malfunction under Problem column in this section of the manual Pediatric ISU Incorrect vacuum Reset vacuum limit See limit adjustment Section 7 5 Vacuum Limit Pediatric ISU Only Pediatric ISU Bad or missing Replace Install positive positive pressure relief valves pressure relief valves Regulator module malfunction O ring failure or diaphragm Replace rubber
26. es the valve automatically opens to maintain suction at the preset level Conversely when the flow requirement decreases the valve automatically closes to maintain suction at the pre set level The same mechanism compensates for changes in supply vacuum to automatically maintain the pre set suction level Mode Suction Selector Control Knob Knob Fitting Port 1 Suction Control Knob Allows easy adjustment of suction to the patient 2 Mode Selector Knob Allows quick and easy mode changes Note In the text of this manual the international graphic symbol for the intermittent mode normally written as O O will be written as O O a OIO INTER Suction is intermittent cycles on and off and the suction level can be adjusted with the suction control knob When used as an Intermittent Suction Unit both the On and Off timing cycles are independently adjustable within a range of 3 to 30 seconds These are pre set at the factory at a supply vacuum of 500 mmHg 66 7 kPa to provide approximately 15 seconds On and 8 seconds Off for the ISU If the supply vacuum is different the timing cycles will vary Adjustment procedures are outlined in the Operations section of this manual Section 8 6 Timing Cycle Adjustment b O OFF No suction is supplied to the patient c CONT Suction is continuous and can be adjusted with the suction control knob 3 Vacuum Gauge T
27. he tubing in the desired position Regulator Turn the DISS wing nut clockwise to engage threads and tighten there is no O ring so the vacuum seal depends on a tight connection 4 2 Mode Selection IOIO INTER Suction is intermittent cycles on and off and the suction level can be adjusted with the suction control knob ee CONT Suction is continuous and can be adjusted with the suction control Knob SIE INTER enn CONT cya Re foes i a PPE ot 4 3 Setting the Suction Level A WARNING The fitting port of the regulator must be occluded when setting the prescribed suction level This prevents the patient from receiving higher than required suction levels 1 Clamp the connective tubing to occlude the fitting port 2 Turn the mode selector knob to CONT 3 Rotate the suction control knob until the vacuum gauge indicates the required setting 4 4 Pre use Checkout Procedure WARNING The Pre use Checkout Procedure must be performed before using this equipment on each patient If the regulator fails any part of the Pre use Checkout Procedure it must be removed from service and repaired by qualified service personnel A WARNING Always connect the regulator to the vacuum source and check its operation before attaching the patient connection Before the vacuum regulator is used it must be tested for correct operation as outlined below All tests mu
28. he suction level to the patient is displayed during use Adapter D Port rs ROP rl ee ey rete E aed 6700 0082 000 Rev 4 10 2012 T 3 Description and Specifications 3 2 Specifications Gauge Accuracy Flow Rates Regulated Suction Range Pre Set Timing Cycles Note The Pre set timing cycles are set at a supply vacuum of 500 mmHg 66 7 kPa Weight Less Fittings Dimensions Less Fittings Environmental Specifications Operating Temperature Range Storage Temperature Range Operating and Storage Relative Humidity 5 of full scale deflection CONT Mode 0 80 LPM without fittings at full increase setting depending on supply vacuum and open air flow IOIO INTER 8 LPM with the suction control knob set to 120 mmHg 16 0 kPa Adult 0 to 200 mmHg 0 to 26 7 kPa and up to full wall vacuum Pediatric 0 to 135 mmHg 0 to 18 0 kPa On time cycle 15 seconds 3 seconds Off time cycle 8 seconds 3 seconds 28 oz 794 grams Height 6 6 in 168 mm Width 3 5 in 89 mm Depth 4 8 in 121 mm 40 to 120 F 4 to 49 C 0 to 160 F 18 to 71 C 5 to 95 8 6700 0082 000 Rev 4 10 2012 4 1 Equipment Set up A WARNING Always connect the regulator to the vacuum source and check its operation before attaching the patient connection A WARNING Connection to positive pressure sources such as oxygen and medical air even momentarily could injure the patient or operat
29. ing the Suction Level rrrnranennanennnnrn 10 4 4 Pre use Checkout Procedure 008 10 10 Ordering Information an xrnnnnnvnnnnnnnnnnnennnnnurr 25 4 5 Patient Set up rrronrrrnnnrrnnnrrnnnrnnnnrnnanrnnanen 11 10 1 Illustrated Parts aar issnsdnjeseesnea iden 25 10 2 Service Kits vccccceccsoonntcenedicansbsvendeastioseneacssetawins 26 5 Cleaning and Sterilization rennxnnnnnnnrnnnnnvnnnnnr 11 5 1 FEN 11 Appendix A 1 5 1 1 Routine Exterior Cleaning 11 Installation procedure for Adapters Probes 5 1 2 Internal Component Cleaning 11 and 0 EEE EE A 1 5 1 3 Cold Flush Procedure 0008 11 5 2 SLCHI Z AN OM EEE 12 6 Troubleshooting nnxvnnnnnennnnnnvnnnnnvnnnnnnnennnennnnnnr 13 7 Service Disassembly and Assembly 15 7 1 Service Tools and Equipment 068 15 7 2 WSU and PED IE une 15 7 2 1 Disassembly rrnnnrrnnnronnnnernnnennnnernnre 15 122 PSSOMOLY vasanrctncsmentocisnnisamcaereninadndusanuend 16 7 3 Regulator Module cccccsccesseeeeeeeeneees 17 1 3 1 Disassembly Lus dmmaenadanmbasdee 17 RE So 18 7 4 Timing Valves nrrrranrrvnnrevnnrevnrernnnernnnennnne 18 7 4 1 Disassembly rrrnnnnrnnnrrnnnnrnnnrennnrennnr 18 7 4 2 Assembly rnnnnrrnnnronnnnernnnernenernnnennnn 18 7 5 Vacuum Limit Pediatric ISU Only 18 8 Service Checkout Procedure cccsssseeseeeees 19 9 1 F
30. k that the suction decreases to zero on the regulator gauge zero stop pin in 5 seconds or less 4 If the regulator fails either of the build up or bleed down tests replace the regulator module 8 8 Bleed Test 1 Turn the mode selector knob to CONT 2 Occlude the regulator fitting port and set the vacuum level to 120 mmHg 16 0 kPa 3 Turn the mode selector knob to O OFF and observe the gauge needle It must return to zero within 10 seconds 8 9 Leak Test Patient Side 1 Turn the mode selector knob to O OFF 2 Connect the regulator fitting port tubing to port A of the bubble leak tester 3 Rotate the suction control knob fully counter clockwise decrease 4 Turn the mode selector knob to CONT Wait 5 seconds Mode Suction Selector Control Knob Knob 6 No bubbles should appear in the bubble leak tester for the next 10 seconds 8 10 Vacuum Limit Adjustment A Pediatric ISU ONLY WARNING It may be possible to set the vacuum limit to zero If there is no suction present rotate set screw counter clockwise and or check Section 6 Troubleshooting To set the vacuum limit perform the following procedure 1 2 Sealed Occlude the regulator fitting port Remove the screw washer and black plastic cam from the suction control knob Turn the mode selector knob to CONT Turn suction control knob until desired vacuum limit is reached Factory set to 1
31. line system will impair the operation The use of the overflow safety trap and or a high flow suction filter will help prevent this and extend the life of the suction equipment To prevent stripping the plastic threads place the screw in the hole and turn counter clockwise until it drops into the original threads then tighten the screw Use of lubricants other than recommended may degrade plastic or rubber components Not for field or transport use The categories of Field and Transport Use are specifically defined in ISO 10079 3 Field means use at accidents or emergencies outside a hospital Transport means use in ambulances cares and airplanes These situations may expose the equipment to uneven support water dirt mechanical shock and temperature extremes Ohio Medical suction equipment has not been tested to comply with the specific requirements of these categories 1 Precautions 1 4 Intended Use The vacuum regulator is intended to be used in the medical facility as a means to evacuate media i e fluids from the body 6700 0082 000 Rev 4 10 2012 5 2 Scope This service manual contains service maintenance and parts information on four models of the ISU North American ANSI 2 International ISO 2 2 1 North American ANSI Vacuum Regulators Note Part numbers given are for vacuum regulators without fittings or adapters probes ISU Pediatric ISU 6700 1251 900 6700 1257 900
32. ments of the hospital Use only approved cleaning flushing solutions Make sure those made from concentrates are newly mixed to ensure effectiveness Flush both the continuous and intermittent vacuum circuits thoroughly Adequately aerate both the continuous and intermittent circuits with vacuum flow or compressed air until all internal channels switches gauge ports and regulating mechanisms are dry Disassemble to check O rings for adequate lubricant and filters for proper function following any cold flush procedure A CAUTION Failure to adequately dry the product following a cold flush may damage the working parts which are designed for pneumatic air flow only Ohio Medical is not responsible for unit failure due to cold flushing Failure to disassemble to check O ring and filter status may render the unit inoperative Suction fluids drawn into a vacuum regulator do not stop in the regulator They proceed through it into the wall outlet and 6700 0082 000 Rev 4 10 2012 11 5 Cleaning and Sterilization pipeline system Failure to clean and disinfect the wall outlet and pipeline system may result in damage to this equipment WARNING Perform the service checkout procedure Section 8 Service Checkout Procedure following cold flushing Validate the selected cleaning disinfection procedure Failure to do so may result in patient use of a product which is assumed to be clean disinfected and is not Body fluids suctioned into a
33. oise from inside the regulator H With the fitting port occluded unable to decrease the suction level and gauge needle Suction is delivered in the CONT mode but the O O INTER will not cycle Pediatric ISU Maximum vacuum not limited Pediatric ISU Limited suction in any setting and whistling noise from back of regulator Pediatric ISU Vacuum limit does not remain constant Damaged gauge Blocked unilogic module filter Regulator module malfunction Selector switch loose or bad selector switch O rings Missing internal components Flow control valve blocked or turned full in Timing valves turned fully in and or clogged Unilogic module malfunction missing Missing O ring in selector switch Blocked backplate Incorrect vacuum limit adjustment Bad or missing positive pressure relief valves Loctite on set screw is breaking down Replace gauge Replace filter See Regulator module malfunction under Problem column in this section of the manual Tighten selector switch and or replace O ring Disassemble regulator and inspect Turn valve counter clockwise until unit cycles and or inspect valve seat area Turn valve counter clockwise until unit cycles and or inspect Replace filters and or module Install O ring Inspect backplate flow paths and unblock if necessary Reset vacuum limit See Section 7 5 Vacuum Limit Pediatric ISU Only Replace Install positive pres
34. onnect the vacuum regulator to the vacuum Source only Connection to positive pressure sources such as oxygen and medical air even momentarily could damage the equipment Cleaning the gauge may result in damage Do not lubricate any internal components of the regulator module Do not over tighten the timing valve stem the needle portion of the valve may be damaged Do not steam autoclave the ISU Severe impairment to the operation of the regulator will result The only acceptable method of sterilization is with gas ethylene oxide Do not use any Loctite products to seal the fitting and adapter probe port threads or products which contain methacrylate ester as an active ingredient Only competent individuals trained in the repair of this equipment should attempt to service it Sterilization with ethylene oxide mixtures may cause crazing minute superficial cracking of some plastic parts Crazing will be more pronounced when mixtures containing Freon are used The cap screws can strip the regulator module housing threads if they are screwed in too tight The gauge assembly must be handled with utmost care to retain its precision If the lens is removed do not rest the gauge on its face To help prevent aspirate from entering the regulator wall outlet and pipeline equipment an overflow safety trap and or a high flow suction filter should be attached prior to its use Aspirate in the regulator wall outlet and pipe
35. or A CAUTION Connection to positive pressure sources such as oxygen and medical air even momentarily could damage the equipment Ifthe regulator is equipped with an adapter probe for wall outlets insert the adapter probe into the vacuum wall outlet If the regulator is mounted elsewhere connect a vacuum supply hose between the regulator s adapter probe port and the wall outlet Connect the collection canister or liner s vacuum port to the regulator s fitting or overflow safety trap with the appropriate vacuum tubing Note For proper installation of adapters probes and fittings see appendix Appendix A 1 For standard ISU operation mount the collection canister or liner above the patient Connect the collection canister or liner s vacuum port to the regulator s fitting port or overflow safety trap with the appropriate suction filter and vacuum tubing Vacuum Regulator Disposable Suction Filter No Overflow Safety Trap 4 Operation Hospital supplied suction tubing must be used between the catheter and the collection canister or liner The recommended minimum inside diameter is 0 25 in 6 mm Select tubing that is collapse and kink resistant An Ohio Medical high flow filter and overflow safety trap should be used between the collection canister or liner and the vacuum regulator to prevent contamination of the regulator wall outlet and pipeline system ISO 10079 3 section 5 1 2 states that
36. p of the spiral spring washer d Install the screw through the washer and into the backplate post Tighten the screw Grasp the main valve body and rotate the switch in all three positions Ensure that the protruding ear is near the 3 o clock position after testing the switch Install the timing valves into their proper locations and push fully in so that the O rings seats in the backplate Install the Unilogic Module by aligning the silastic tubes with the ports on the backplate and push fully in Install the regulator module into its proper location Rotate the module so that the protruding ears are at the 5 o clock and 11 o clock positions Install the snap fit lens by placing one of the retaining tabs over the edge of the gauge face and then pressing lightly until the other tab snaps onto the gauge face Rotate the lens to confirm proper installation If the lens is not the snap fit type simply place the lens onto the gauge ensuring it rotates easily and is resting properly Install the gauge assembly into its proper location so that the O rings seat fully Ensure the gauge is properly aligned For the Pediatric ISU ONLY The suction control knob is NOT lockable 16 6700 0082 000 Rev 4 10 2012 7 Service Disassembly and Assembly 13 Place and align the cover and knob assembly onto 7 3 1 Disassem bly the backplate with the mode selector knob in the O OFF position Rotate the suction control knob
37. ribed suction level A WARNING The regulator must be occluded when setting the prescribed suction level so that the patient does not receive higher than required suction 4 Turn the mode selector knob to O OFF oO 5 Attach the patient tubing to the collection canister or liner s patient port 6 Turn the mode selector knob to CONT or O O INTER d5 Gleaning 5 1 Cleaning A WARNING After patient use regulators may be contaminated Handle in accordance with your hospital s infection control policy 5 1 1 Routine Exterior Cleaning Routine cleaning of the regulator is recommended as a standard procedure after each use Wipe all exterior surfaces with a solution of water and mild detergent 5 1 2 Internal Component Cleaning A CAUTION Cleaning the gauge may result in damage 1 Refer to Section 7 Service Disassembly and Assembly for instructions 2 AI internal components with the exception of the gauge may be cleaned with a solution of warm water and mild detergent 3 Dry all components with a lint free cloth before assembly 5 1 3 Cold Flush Procedure If desired the vacuum regulator can be cold flushed as part of a cleaning or disinfecting procedure Set up a collection canister or liner between the vacuum source and the adapter probe port to receive the flush solution Suction through the vacuum regulator an adequate amount of cold disinfectant to satisfy the infection control require
38. rvvnnsnnnnnsvnvnnnennnn 4 8 5 Regulation Test rrrrnrernnnorvnnrrnnnnevnnnevnnnennnne 21 NE NV GUIIVAGS serores 4 8 6 Timing Cycle Adjustment rarrrrnnnrronnnnnennnn 21 1 3 2 0 1 0 9 4 Heen 5 8 7 Vacuum Build up Bleed down 1 4 Intended Use rrrannnnnnnnannnnnnnnnnrnnnnnnnnnnnnnnnnnnn 5 Test Intermittent Mode rarnrnnnnnnnnnnnnnnnnnnn 22 00 Bleed EL sa Sa dewamoaenutiecsoaentiniacoanieetaesis 22 P OCODE drimio enai 6 8 9 Leak Test Patient Side rrrrrernrrrnnrnnnrernre 22 2 1 North American Vacuum Regulators 6 8 10 Vacuum Limit Adjustment 2 2 English Vacuum Regulators rrrrrrrrrnnrernnnnn 6 Pediatric ISU ONLY cisescsssccasocicacotecearcsunidosenes 22 3 Description and Specifications cce 7 S Maintenance rrrnannnnnannnannnunnnnnnnnunnnunnnnnnnnunnnere 23 3 1 Description nncciciccanonscesvecanscindenegneaancduaietontededanncs 7 9 1 General Maintenance of Suction 32 DPCCIICAIONS ganer 8 EE 23 9 2 Recommended Maintenance Schedule 23 Al OPeraNONuam sanne 9 9 2 1 Maintenance Schedule 008 23 4 1 Equipment Set up rrronrrrnnnrrnnnrnnnnrnvanrnvanennnn 9 B39 Repair POUCY rrarena 24 4 1 1 Attaching the Overflow Safety Trap 10 9 4 Technical Assistance rrnnrrnnnrrnnnnernnnennnnen 24 4 2 Mode Selection ranrrnnnnnnnnnrvnnnrnnnnrnnanrnnnnene 10 9 5 Return Instructions ranrrnnrrrnnrvnnnvvnnnnnnnnnn 24 4 3 Sett
39. st be performed with the regulator in its normal vertical operating position and with a minimum supply vacuum of 500 mmHg 66 7 kPa 10 6700 0082 000 Rev 4 10 2012 4 Operation 1 Turn the mode selector knob to O OFF 2 Rotate the suction control knob one full turn clockwise increase 3 Clamp the connective tubing to occlude the fitting port The gauge needle should not move 4 Unclamp the connective tubing 5 Turn the mode selector knob to CONT 6 Rotate the suction control knob fully counter clockwise decrease 7 Clamp the connective tubing The gauge needle should not move 8 With the connective tubing clamped increase the suction to 90 mmHg 12 0 kPa 9 Slowly open and close the clamped tubing to create various flow rates through the regulator Check that the suction level is maintained when the tubing is clamped 10 Turn the mode selector knob to O O INTER 11 Clamp the connective tubing 12 Ensure that the timing cycles are 15 seconds On and 8 seconds Off both with a tolerance of 3 seconds by observing the gauge needle Note The ISU starts in the Off cycle 13 Reduce the suction level to zero and turn the mode selector knob to O OFF 4 5 Patient Set up 1 Make sure the pre use checkout procedure Section 4 4 Pre use Checkout Procedure has been performed 2 Clamp the connective tubing and turn the mode selector knob to CONT Set the presc
40. ster with reliable shut off valves overflow safety trap assemblies and disposable suction filters will protect the regulator wall outlet and piping system The flow rate at the wall outlet should be checked on a yearly basis and suitable cleaning of the outlets should be performed The flow rate measurement should meet NFPA and or IS09 standards Routine maintenance and inspection are important to the performance of suction equipment The following is a recommended list for care of suction equipment after each patient use 9 2 1 Maintenance Schedule 9 Maintenance 1 Performa thorough cleaning by washing all bottles tubing metal connectors etc and removing all residue 2 Wipe all exterior surfaces with a solution of water and mild detergent Perform a careful visual inspection 4 Check that the high flow disposable suction filter is clean and in good condition 5 Check that all tubing is in good condition and connected securely to the correct ports 6 Check the floats in the overflow safety trap and collection canister for correct operation 7 Perform the pre use checkout procedure Section 8 Service Checkout Procedure 9 2 Recommended Maintenance Schedule We recommend the following to determine the maintenance schedule appropriate for each facility 1 Periodically as required but no less than annually inspect the overall condition of the vacuum regulator Test gauge accuracy Section 8 4 Gauge Test
41. sure relief valves Replace 2 42 Loctite on set screw See Section 7 5 Vacuum Limit Pediatric ISU Only 14 6700 0082 000 Rev 4 10 2012 7 Service Disassembly and Assembly 7 1 Service Tools and Equipment A CAUTION Use of lubricants other than recommended may degrade plastic or rubber components The following items should be on hand during any service procedure Supply vacuum 500 mmHg 66 7 kPa minimum amp 50 LPM open air flow minimum Supply vacuum regulator with gauge 760 mmHg 101 3 kPa full scale Low vacuum calibration gauge 225 mmHg 30 0 kPa full scale Ohio Medical P N 6700 0353 800 50 LPM flowmeter Ohio Medical P N 6700 0355 800 10 LPM flowmeter Ohio Medical P N 6700 0354 800 Phillips head screwdriver No 2 Flat head screwdriver 1 4 inch Open end adjustable wrench Ball hex key wrench 3 16 inch Open end wrench 11 16 inch Pipe cleaner Wooden toothpick O ring remover Tweezers filter remover Dow Corning 111 grease Ohio Medical P N 6700 0074 200 Tubing clamp 1 2 gallon reservoir Bubble leak tester Stop watch Hex key wrench 1 16 inch Pediatric ISU only 242 Loctite Pediatric ISU only 7 2 ISU and Pediatric ISU 7 2 1 Disassembly A WARNING If the vacuum regulator is repaired or disassembled in any manner the service checkout procedure Section 8 Service Checkout Procedure must be performed before using the equipment on the patient A Note
42. thetics Static charges may not dissipate and possible explosion hazard exists in the presence of these agents After patient use regulators may be contaminated Handle in accordance with your hospital s infection control policy Clean and sterilize all multiple use suction equipment before shipment to ensure transportation personnel and or service personnel are not exposed to any hazardous contamination Clean and sterilize all multiple use suction equipment if contaminated before disassembly to ensure service personnel are not exposed to hazardous contamination Following sterilization with ethylene oxide parts should be quarantined in a well ventilated area to allow dissipation of residual ethylene oxide gas absorbed by the material Aerate parts for 8 hours at 130 F 54 C If the vacuum regulator is repaired or disassembled in any manner the service checkout procedure Section 8 Service Checkout Procedure must be performed before using the equipment on the patient If the flow control valve is rotated fully clockwise the ISU will not cycle in the intermittent mode Drainage will cease For the Pediatric ISU it may be possible to set the vacuum limit to zero If there is no suction present rotate the set screw counter clockwise and or check Section 6 Troubleshooting If the screws on the timing valves are turned all the way clockwise the ISU will not cycle 4 6700 0082 000 Rev 4 10 2012 1 3 Cautions C
43. turning the supply regulator off ensure the tubing from Port B has been disconnected from the adapter probe port of the vacuum regulator Supply Vacuum Gauge 0 760 mmHg 0 101 1 kPa Supply Regulator Suppl Set to 500 mmHg 66 7 kPa aed Vacuum Y Sealed 1 0 IN Bubble Leak Tester Bubble Leak Test Supply Side 6700 0082 000 Rev 4 10 2012 19 7 Service Disassembly and Assembly 8 3 Flow Test 8 3 2 Intermittent Mode Flow Test 1 Remove the bubble leak tester from the supply 1 Pull the nameplate wrench from the front of the vacuum connection and connect the supply regulator to access the flow control valve vacuum directly to the regulator adapter port 2 Occlude the regulator fitting port 2 Set the supply vacuum to 500 mmHg 10 mmHg 3 Turn the mode selector knob to CONT 66 7 kPa 1 3 kPa on the supply vacuum gauge 4 Set 120 mmHg 16 0 kPa on the regulator gauge 8 3 1 Continuous Mode Flow Test 5 Turn the mode selector knob to O OFF 1 Connect the regulator fitting port to the 50 LPM 6 Connect the regulator fitting port to the 10 LPM flowmeter l Heer ex TURAN NOG Sree OER 10 aN 7 Turn the mode selector knob to O O INTER GN Rotate the suction control knob fully clockwise Locate the flow control valve in the regulator increase The flow rate must be adjusted during the On cycle of the intermittent mode Using the proper Adult ISU 40 LPM tool either a Phillips head screw
44. vacuum regulator do not stop in the regulator They proceed through it into the wall outlet and pipeline system Failure to clean and disinfect the wall outlet and pipeline system may result in contamination that contributes to nosocomial infection 5 2 Sterilization Should misuse occur resulting in accidental flooding of the regulator the regulator may be sterilized using ethylene oxide ETO After sterilization follow the service checkout procedures in Section 8 A WARNING Following sterilization with ethylene oxide parts should be quarantined in a well ventilated area to allow dissipation of residual ethylene oxide gas absorbed by the material Aerate parts for 8 hours at 130 F 54 C Follow your hospital sterilization procedure CAUTION Do not steam autoclave or liquid sterilize the ISU Severe impairment to the operation of the regulator will result The only acceptable method of sterilization is with gas ethylene oxide CAUTION Sterilization with ethylene oxide mixtures may cause crazing minute superficial cracking of some plastic parts Crazing will be more pronounced when mixtures containing Freon are used Note ISU should only be sterilized if it is contaminated or maintenance is to be performed 1 The regulator should be sterilized with the mode selector knob in the O O INTER position 2 The only acceptable method of sterilization is with ethylene oxide Ethylene oxide mixtures can be us
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