CAIRE Hi Flow Stroller Technical & Service Manual
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CAIRE Hi Flow Stroller Technical & Service Manual

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Summary of Contents for CAIRE Hi Flow Stroller

  • Page 1 Hi Flow Stroller...

  • Page 2: Preface

    This manual is intended for use by experienced personnel only. No attempt should be made to fill or maintain this equipment un- til both this manual and the Patient Operating Instruction booklet have been read and fully understood. Hi Flow Stroller Technical Service Manual • PN 14314465 Rev F...

  • Page 3: Table Of Contents

    XII. Restocking Policy ........36 Hi Flow Stroller Technical Service Manual • PN 14314465 Rev F...

  • Page 4: Equipment Description

    Equipment Description FIGURE 1: Hi Flow Stroller Components CAIRE, Inc.’s Hi Flow Stroller is the portable component of the Liberator/Portable supplementary oxygen system. Enclosed in a durable simulated leather case, Hi Flow Strollers incoporate a stainless steel cryogenic container with the valves, plumbing, and associated hardware required to deliver gaseous oxygen to the pa- tient at near ambient temperature.

  • Page 5: Specifications

    Empty lbs. (kg) 5.1 (2,3) Full lbs. (kg) 8 (3,6) Fill Connector Types Male side mounted rotary coupling, female bottom mounted push-on coupling, or female bottom mounted rotary coupling. Hi Flow Stroller Technical Service Manual • PN 14314465 Rev F...

  • Page 6: Safety

    WARNINGS, CAUTIONS, and NOTES throughout the manual. Periodic review of this information is recommended. Hi Flow Stroller Technical Service Manual • PN 14314465 Rev F...
  • Page 7 Not applicable including domestic establishments and those directly connected to Voltage fluctuations/ the public low-voltage power supply network that supplies flicker emissions Not applicable buildings used fordomestic purposes. IEC 61000-3-3 Hi Flow Stroller Technical Service Manual • PN 14314465 Rev F...
  • Page 8 Note: UT is the a.c. mains voltage prior to application of the test level. * This statement indicates that the required testing was performed in a controlled environment and the Hi Flows are found to be compli- ant with regulations. Hi Flow Stroller Technical Service Manual • PN 14314465 Rev F...
  • Page 9 * This table is included as a standard requirement for equipment which has been tested to specific test levels and over specific frquency ranges and been found compliant with regulations. Hi Flow Stroller Technical Service Manual • PN 14314465 Rev F...
  • Page 10 * This table is included as a standard requirement for equipment which has been tested to specific test levels and over specific frquency ranges and been found compliant with regulations. Hi Flow Stroller Technical Service Manual • PN 14314465 Rev F...

  • Page 11: Theory Of Operation

    With oxygen in the unit, and the vent valve closed, the pressure in the inner vessel will remain at or near the primary relief valve The Hi Flow Stroller is a portable unit designed to be filled by the pressure of 19.7 - 20.6 (1,35 - 1,42).
  • Page 12 2-year limited warranty. If battery failure oc- urement system. This system measures the level of liquid oxygen curs within 2 years of the Hi Flow Stroller shipment date, con- inside the unit with a capacitance probe and displays that liquid tact CAIRE, Inc.

  • Page 13: Unpacking And Setup

    22). Replace number disk (Item 21) and push-on knob (Item 20). Verify the flow lock is at the correct position. VIII Operation Refer to Patient Operating Instrucions (POI) Manual. Hi Flow Stroller Technical Service Manual • PN 14314465 Rev F...

  • Page 14: Maintenance

    If either condition is observed, conduct NER test (see RP28 in this manual). 4. Flow Test (Table 1): a. Set FCV to the highest flow setting, run for at least 20 min- utes. Hi Flow Stroller Technical Service Manual • PN 14314465 Rev F...
  • Page 15 2. Verify that liquid level meter reads empty. 3. Fill Unit: a. Verify that liquid level gauge reads full. b. Check for audible/visual leaks in QDV and vent valves. Hi Flow Stroller Technical Service Manual • PN 14314465 Rev F...

  • Page 16: (Table Of Contents)

    Operating Pressure Test ---------------------------------------------------------- 31 RP26 Flow Meter Verification ---------------------------------------------------------- 31 RP27 Case Cleaning --------------------------------------------------------------------- 32 RP28 Normal Evaporation Rate Test -------------------------------------------------- 32 RP29 Relief Valve Test------------------------------------------------------------------ 32 Service Tools/Equipment/Supplies --------------------------------------------------------------- 33 Hi Flow Stroller Technical Service Manual • PN 14314465 Rev F...

  • Page 17: Introduction

    1. These procedures are designed to be performed only by qualified personnel with proper equipment. 2. Any failure during routine maintenance checks will refer you to this section. See troubleshooting chart for appropriate procedure. Hi Flow Stroller Technical Service Manual • PN 14314465 Rev F...

  • Page 18: Troubleshooting Chart

    Allow the portable to warm until the vent valve can close. After the warm up, allow up to 60 minutes for the portable to stabilize and build pressure before operating. d) Faulty vent valve Replace the vent valve (RP19) Hi Flow Stroller Technical Service Manual • PN 14314465 Rev F...
  • Page 19 (RP22). e) Blockage in the liquid withdrawal Check the warming coils and withdrawal tubes for blockages. circuit Replace if necessary. f) FCV faulty Replace the FCV (RP20) Hi Flow Stroller Technical Service Manual • PN 14314465 Rev F...
  • Page 20 Leak in the system Preform a leak check on the plumbing (RP18). Repair leaks as necessary. c) PRV faulty Test the operating pressure (RP25) and replace the relief valve if necessary (RP22). Hi Flow Stroller Technical Service Manual • PN 14314465 Rev F...
  • Page 21 Replace Feed- Manifold (RP Meter Thru (RP 10) (RP 10) (RP 8) (RP 5, 6) Capacitance Test (RP 7) Good Reinstall Manifold (RP 9) *see NOTE in RP 2 Hi Flow Stroller Technical Service Manual • PN 14314465 Rev F...
  • Page 22 To use the Troubleshooting Chart: • Start at the upper left corner. • Unless otherwise noted by the arrows, the flow through the chart is down or to the right. Hi Flow Stroller Technical Service Manual • PN 14314465 Rev F...

  • Page 23: Repair Procedures

    1/4” and 1/2” nuts eight flats past finger tight and 3/16” nuts five flats past finger tight. When reassembling previously used com- pression fittings, tighten nuts one to two flats past finger tight. Hi Flow Stroller Technical Service Manual • PN 14314465 Rev F...

  • Page 24: Rp3 Condensate Pad Rr

    Unzip the top and side zippers. c Carefully remove the unit from case. d. To replace, reverse the above steps CAUTION: Be careful not to pinch wires! FIGURE 8: Bottom and Side Cover Hi Flow Stroller Technical Service Manual • PN 14314465 Rev F...

  • Page 25: Rp5 G4 Empty Capacitance Meter Calibration

    High Capacitance from inner vessel. LED 6 Decontaminate probe. Calibrated full value LED 1, LED 3, Dry harrness assembly. less than empty LED 5 & LED 7 Decontaminate. value. Hi Flow Stroller Technical Service Manual • PN 14314465 Rev F...

  • Page 26: Rp6 G4 Meter Span Setting Adjustment

    3. Connect alligator clip to bracket or any other properly grounded surface. 4. Read manifold capacitance and verify that it is 145–180 pF. If it does not meet specifications, call Technical Support. Hi Flow Stroller Technical Service Manual • PN 14314465 Rev F...

  • Page 27: Rp8 G4 Meter Rr

    NOTE: Ensure proper seating of O-ring in dewar. Apply small amount of fluorolubricant to O-ring before assembly. Torque mani-fold mounting screws (Item 31) to 21–23 in-lbs (237–260 N- cm) us-ing cross-tightening method. Hi Flow Stroller Technical Service Manual • PN 14314465 Rev F...

  • Page 28: Rp11 Clean/Dry Probe Dewar

    To replace QDV, reverse above procedure, aligning pin in the upright position. Apply thin film of fluorolubricant to O-ring (Item 36). Torque retaining nut to 140–150 inch-lbs (1550–1700 N-cm). d . Replace soft case (RP 4). Hi Flow Stroller Technical Service Manual • PN 14314465 Rev F...

  • Page 29: Rp17 Pressure Retention Test

    Close FCV (Item 24) by turning to Off position. Remove pressure gauge assembly i. Disconnect pneumatic adapter from QDV. j. Leak test QDV poppet and FCV outlet. k. Repair all leaks by following appropriate repair procedures. Hi Flow Stroller Technical Service Manual • PN 14314465 Rev F...

  • Page 30: Rp19 Vent Valve Rr

    Remove PRV (Item 49) while holding adapter (Item 48). c. Replace the PRV using two rounds of Teflon ® tape on the threads and tighten 6-7 flats past snug. d. Reassemble in the reverse order. Hi Flow Stroller Technical Service Manual • PN 14314465 Rev F...

  • Page 31: Rp23A Breathing Coil Rr (Side Fill)

    Be careful to properly remove breathing coil outlet from around top of dewar. f. To replace coil, reverse above procedure. Tighten QDV jam nuts to 140–150 inch-lbs. (1550–1700 N-cm). Hi Flow Stroller Technical Service Manual • PN 14314465 Rev F...

  • Page 32: Rp24 Flow Rate Testing

    Flow meter accuracy may also be tested by comparison to one or more new, unused, calibrated flow meters. This method will increase confidence in accuracy of readings, but not nec- essarily verify accuracy. Hi Flow Stroller Technical Service Manual • PN 14314465 Rev F...

  • Page 33: Rp27 Case Cleaning

    1,68 bar/24,3 psig. h. Slowly begin decreasing the pressure in order to release the finger from the PRV. Hi Flow Stroller Technical Service Manual • PN 14314465 Rev F...

  • Page 34: Service Tools/Equipment/Supplies

    Dual Fill Head Tee 4. Distilled Water 13329091 G4 Capacitance Meter Adaptor Kit 5. Household Glass Cleaner 6. Lint-Free Cloth 7. Teflon ® Tape 8. Fluorolubricant 9. Leak Detection Fluid Hi Flow Stroller Technical Service Manual • PN 14314465 Rev F...

  • Page 35: Parts Price List

    Parts Price List Contact Customer Service or visit www.caireinc.com to obtain your parts list. Hi Flow Stroller Technical Service Manual • PN 14314465 Rev F...

  • Page 36: Ordering Information

    Ordering Information Ordering Information 3. Telephone or fax CAIRE, Inc. at one of the numbers listed be- low to begin immediate processing of the order: The following steps should be used when ordering a new Hi Flow, or replacement parts for an existing unit:...

  • Page 37: Restocking Policy

    Restocking Policy When a Hi Flow Stroller is received, it should be inspected im- Restocking Policy mediately, as outlined in Section VII, Unpacking and Setup Instructions. If it becomes necessary to cancel an order with CAIRE, Inc. af- ter the shipment has been received, use the following “Restock If a problem with the unit should be encountered, reference Policy”...
  • Page 38 Unit 6 Ashville Way Wokingham Berkshire, RG41 2PL, United Kingdom CAIRE and CAIRE Inc. are registered trademarks of CAIRE Inc. Please visit our website below for a full listing of trademarks. Trademarks: www.caireinc.com/corporate/trademarks/. © Copyright 2021 CAIRE Inc. All Rights Reserved.

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