impact Uni-Vent 731 Series Service Manual
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impact Uni-Vent 731 Series Service Manual

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906-0731-04 Rev. B Sept. 2012
Page 1 of 68

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  • Page 1 906-0731-04 Rev. B Sept. 2012 Page 1 of 68...

  • Page 2: Table Of Contents

    Table of Contents INTRODUCTION ............................. 3 Conventions ..............................3 Terminology and Abbreviations........................3 General Warnings ............................4 Cautionary Note ............................. 4 Helpful Hints ..............................4 Limited Copyright Release ..........................4 Warranty ................................ 5 Masimo Pulse Oximeter ..........................5 WARNINGS AND CAUTIONS REGARDING USE..................6 731Series and Pulse Oximeter ........................

  • Page 3: Introduction

    INTRODUCTION Conventions WARNING! A WARNING statement identifies conditions or information that could have an adverse effect upon the patient or operator which if not avoided, could result in death or serious injury. CAUTION! A CAUTION statement provides important information about a potentially hazardous situation which if not avoided may result in minor or moderate injury to the patient, operator or damage to the equipment or other property.

  • Page 4: General Warnings

    This device has been classified "life supporting" and "life sustaining" by the United States Food & Drug Administration. If you have not been trained and certified by Impact Instrumentation, Inc in the care and servicing of this product, DO NOT attempt to service this device. Should factory based servicing become necessary, or technical assistance is required, please have the device’s Model and Serial Number available...

  • Page 5: Warranty

    (1) year from the date of delivery to the final purchaser During the warranty period, Impact will repair or replace the device or any part which upon examination is shown to be defective. At its sole discretion, Impact may choose to supply a new or equivalent replacement product or refund the amount of the purchase price.

  • Page 6: Warnings And Cautions Regarding Use

    If added accessories are used (e.g. humidification, filters etc.), the operator should assure they do not degrade the performance of the device. If non-Impact circuits are used, the operator should assure these circuits do not affect the performance of the device.

  • Page 7: Pulse Oximeter Specific Warnings And Cautions

    CAUTION! Internal components are susceptible to damage from static discharge. Do not remove device covers. NOTE: This Operation Manual is not meant to supersede any controlling standard operating procedure regarding the safe use of assisted ventilation. NOTE: Follow all governing regulations regarding the disposal of any part of this medical device. NOTE: Follow all governing regulations regarding the handling of materials contaminated by body fluids.
  • Page 8 Impact cannot assure the proper functioning of this device if it is used with unauthorized sensors or cables.

  • Page 9: Maintenance

    An effective cleaning agent for one type of exposure may not be effective with another and cleaning and sterilizing practices may vary between institutions. Impact Instrumentation, Inc. suggests that each facility have in place a procedure for the cleaning and disinfection of its medical equipment and that these procedures be consulted for further guidance.

  • Page 10: Storage Information

    Post-Contaminated Environment Cleaning If the ventilator is operated in an environment where it may have been exposed to contamination from a hazardous materials accident, mass epidemic or weapon of mass destruction, Impact recommends that the guidelines below be followed. 1. The ventilator’s outer case should be cleaned with a damp soapy cloth and thoroughly dried with a lint-free cloth.

  • Page 11: Removable Foam Filter Replacement

    Impact Instrumentation, Inc. suggests that each facility have in place a procedure for the cleaning and disinfection of its medical equipment and that these procedures be consulted for further guidance.

  • Page 12: Battery Capacity, Care And Recharging

    2. The battery has a discharge (operational) temperature range of -25° to 49° C (-13 F to 120 F) (as validated by Impact Instrumentation). 3. DO NOT store the ventilator with the batteries discharged. Always store with the battery fully charged.

  • Page 13: Preventive Maintenance (Pm)

    horizontal rows of lines indicating its current capacity. When the battery is charging, these horizontal rows of lines cyclically scroll vertically, one row at a time, from the bottom row to the top. When the battery is fully charged, the icon is completely filled with lines and scrolling stops. Each line represents approximately 5% of battery capacity.
  • Page 14 731 series of devices. If you would like to return the ventilator to Impact for service please contact Impact prior to returning this instrument. (Telephone 973.882.1212, email service@impactii.com). A Returned-Goods-Authorization number (RGA #) will be issued.

  • Page 15: Troubleshooting And Repairs

    Should the operator not be able to correct the problem, the ventilator should be taken out of use and sent to an authorized Impact repair facility.

  • Page 16: Service Kit Listing

    Service Kit Listing EMVP Eagle II Description Picture Kit # Picture Kit# Membrane Panel Kit 712-0731-01 712-EGL2-01 SPM/Vent Assembly Kit 712-0731-02 712-EGL2-02 712-EGL2-03 Battery Compartment Kit 712-0731-03 712-EGL2-13 (MR) Outer Air Intake Kit 712-0731-04 712-EGL2-04 712-0731-05 (EMVP) Bezel Assembly Kit 712-EGL2-05 712-AEV1-01 (AEV) Power Knob Kit...

  • Page 17: Replacement Instructions

    Replacement Instructions CAUTION! Internal components are susceptible to damage from static discharge. All servicing operations MUST be done in an ESD controlled environment. CAUTION! Disconnect external power and battery pack prior to performing any service. Membrane Panel Kit 712-0731-01 / 712-EGL2-01 Contents: ITEM DESCRIPTION...
  • Page 18 Flip the ventilator over and remove the front case assembly by lifting it straight up away from the ventilator module. Remove the bezel by loosening and removing the (7) 4-40 X ¼ screws that hold the bezel to the front case. Using a sharp knife, carefully cut the RTV sealant around the USB Printed Circuit Board and around the SPO2...
  • Page 19 Tighten the two 4-40 X 5/16 screws holding the USB Connector Plate to the replacement front case. Tighten the two (2) 6-32 X 5/16 screws that hold the CPU/UIM & SPO2 Stack to the front case. Make sure that all the pins on the header mate correctly.
  • Page 20 Place the front case assembly over the vent module and tighten the (2) 4-40 X ¼ screws unto the dovetail mounting bracket. Reconnect the ribbon cable unto the PIM PCB. Make sure the two locking “ears” lock into position. Attach the back case to the vent module and align cover with handle, air intake housing and dovetail mounting studs.

  • Page 21: Spm Kit 712-0731-02 / 712-Egl2-02

    SPM Kit 712-0731-02 / 712-EGL2-02 Contents: ITEM DESCRIPTION SPM/Vent Assembly Instructions: STEP NO. DIRECTIONS Loosen but do not remove the (4) 8-32 X 3 screws on the outer air intake. Loosen and remove the (2) 10-32 Keps nuts and the (4) 6-32 X 2 screws.
  • Page 22 Unscrew the (4) 6-32 X 5/16 Phillips screws to remove the damaged battery compartment case. Loosen and remove the (2) 4-40 X 1 ¼ Screws and nylon spacers supporting the Power Input assembly unto the chassis. Loosen and remove the (2) 6-32 X ¼ screws holding the chassis to the dovetail mounting bracket and remove the SPO2 insulator.
  • Page 23 Remove the Dovetail stabilizer bracket by loosening and removing the (2) 6-32 x ¼ and the (2) 4-40 X ¼ screws. Install the dovetail stabilizer bracket onto the new SPM assembly by tightening the (2) 6-32 X ¼ and (2) 4-40 X ¼ screws. Secure the PIM Board to the new SPM with the (5) 4-40 x 5/16 screws.
  • Page 24 Rotate battery compartment to mate with upper and lower case cutouts and press firmly into place. Secure with (4) 6- 32 X 5/16 screws provided. Re-assemble the battery by connecting its cable to the connector (pull on cable to insure it is locked in place) then tightening the (4) 6-32 X 2 ¼...

  • Page 25: Battery Compartment Kit 712-0731-03 / 712-Egl2-03

    Battery Compartment Kit 712-0731-03 / 712-EGL2-03 Contents: ITEM DESCRIPTION Battery Compartment Case with Gaskets Screw, Phillips, Pan Head, SS, 6-32 X 5/16 Instructions: Step No. Directions Remove the battery compartment cover by unscrewing the (4) 6-32 X 5/16 screws. Remove the battery by unscrewing the (4) 6-32 X 2 ¼...

  • Page 26: Outer Air Intake Kit 712-0731-04 / 712-Egl2-04

    Outer Air Intake Kit 712-0731-04 / 712-EGL2-04 Contents: ITEM DESCRIPTION Plate, Intake Screw, PFH, SS, 8-32 X 3 Adapter, 40mm with O-Ring O-Ring, Buna, 2-3/8X2.5X1/16" (Pre-installed into 40mm adapter) Instructions: STEP NO. DIRECTIONS Remove the damaged Outer Air Intake by unscrewing the (4) 8-32 X 3 screws.

  • Page 27: Bezel Assembly Kit 712-0731-05 / 712-Egl2-05 / 712-Aev1-01

    Bezel Assembly Kit 712-0731-05 / 712-EGL2-05 / 712-AEV1-01 Contents: ITEM DESCRIPTION Bezel Assembly Screw, Phillips, Pan Head, Zinc Plated, 4-40 X 1/4 EMV Label EMVP Label Instructions: STEP NO. DIRECTIONS Loosen but do not remove the (4) 8-32 X 3 screws on the outer air intake. Loosen and remove the (2) 10-32 Keps nuts and the (4) 6-32 X 2 screws.
  • Page 28 Remove the bezel by loosening and removing the (7) 4-40 X ¼ screws that hold the bezel to the front case. Select the correct label for your device, peel the backing off and affix to the front bezel. Install the new bezel by tightening the included (7) 4-40 X ¼...

  • Page 29: Power Knob Kit 712-0731-06 / 712-Egl2-06

    Power Knob Kit 712-0731-06 / 712-EGL2-06 Contents: ITEM DESCRIPTION Power Knob Screw, Socket, Cup Point, Set, 6-32 X 1/4 (installed into knob) Instructions: STEP NO. DIRECTIONS Loosen but do not remove the (4) 8-32 X 3 screws on the outer air intake. Loosen and remove the (2) 10-32 Keps nuts and the (4) 6-32 X 2 screws.
  • Page 30 On the membrane panel assembly, loosen the 6-32 X ¼ set screw using a 1/16 Ball Hex Driver (located in the power knob) and lift the damaged knob from the membrane panel. Place the replacement knob on the membrane panel switch - align with flat on switch –...

  • Page 31: Usb Connector Plate Kit 712-0731-07 / 712-Egl2-07

    USB Connector Plate Kit 712-0731-07 / 712-EGL2-07 Contents: ITEM DESCRIPTION USB Connector Plate Assembly Screw, Phillips, Pan Head, Zinc Plated, 4-40 X 5/16 Instructions: STEP NO. DIRECTIONS Loosen but do not remove the (4) 8-32 X 3 screws on the outer air intake.
  • Page 32 Using a sharp knife, carefully cut the RTV sealant around the USB Printed Circuit Board and around the SPO2 Connector. Be careful not to cut either cable. Loosen and remove the two 4-40 X 3/16 screws holding the Mini USB Cable Assembly to the front case.
  • Page 33 Make sure the SPO2 Flex Cable lays flat against the front case and is assembled correctly into the UIM Bracket and SPO2 Isolation Shield. Insert and tighten the two M2.5 X 5mm screws holding the SPO2 cable to the front case. Remove any excess RTV sealant from the SPO2 flex cable and USB PCB.

  • Page 34: Front Case Assembly Kit 712-0731-08 / 712-Egl2-08 / 712-Aev1-02

    Front Case Assembly Kit 712-0731-08 / 712-EGL2-08 / 712-AEV1-02 Contents: ITEM DESCRIPTION Front Case Assembly Screw, Phillips, Pan Head, Zinc Plated, 4-40 X 1/4 EMV Label EMVP Label Instructions: WARNING: Disconnect external power and battery pack prior to performing service. STEP NO.
  • Page 35 Update serial numbers using the RCS: Use the “C:\program files\impact\EMV\bin\ EmvDLGui.exe” to change the serial numbers. Use the RCS FD app to re- flash the firmware. Perform HiPot Testing then perform Calibration and Functional Test using the RCS.

  • Page 36: Battery Case Bottom Cover Kit 712-0731-09 / 712-Egl2-09

    Battery Case Bottom Cover Kit 712-0731-09 / 712-EGL2-09 Contents: ITEM DESCRIPTION Battery case bottom cover Screw, Phillips, Pan Head, SS, 6-32 X 5/16 Bumper, Rubber, Foot, P/S, Round, 1/2" Dia. X 1/8", Blk Instructions: STEP NO. DIRECTIONS Remove the damaged cover by unscrewing the (4) 6-32 X 5/16 screws.

  • Page 37: Emv Chassis Kit 712-0731-10 / 712-Egl2-10

    EMV Chassis Kit 712-0731-10 / 712-EGL2-10 Contents: ITEM DESCRIPTION EMV Chassis Assembly Screw, Phillips, Pan Head, SS, 6-32 X 5/16 Screw, Phillips, Flat Head, 8-32 X 1/4, Undercut, ZP Screw, Phillips, Flat Head, 6-32 X 1/4, Undercut SPO2 Insulator Instructions: STEP NO.
  • Page 38 Remove the battery compartment cover by unscrewing the (4) 6-32 X 5/16 screws. Remove the battery by unscrewing the (4) 6-32 X 2 ¼ screws and detaching the plug from its locking latch. Unscrew the (4) 6-32 X 5/16 Phillips screws to remove the damaged battery compartment case.
  • Page 39 Secure the replacement Chassis to the vent module using the included (2) 6-32 X ¼ screws with SPO2 insulator, the (2) 8- 32 X ¼ and the (2) 6-32 x 5/16 screws. Secure the Power Input assembly to the Chassis using the (2) spacers and (2) 4-40 X 1 ¼...
  • Page 40 Attach the back case to the vent module and align cover with handle, air intake housing and dovetail mounting studs. Insert and tighten the included (2) 10-32 Keps nuts and the (4) 6-32 X 2” screws. Tighten the (4) 8-32 X 3 screws on the outer air intake.

  • Page 41: Connector Panel Kit 712-0731-11 / 712-Egl2-11

    Connector Panel Kit 712-0731-11 / 712-EGL2-11 Contents: ITEM DESCRIPTION Connector Panel Assembly 8-32 X 1/4 Screw 6-32 Keps Nut O-Ring ½” OD X 3/8” ID Instructions: STEP NO. DIRECTIONS Loosen but do not remove the (4) 8-32 X 3 screws on the outer air intake.
  • Page 42 Remove the O2 Inlet fitting by unscrewing the dust cap then unscrewing the (3) 8-32 X 7/16 screws. Loosen and remove the (3) 8-32 X ¼ screws. Loosen and remove the Gas Output fitting using a 1-inch deep-socket wrench. Disconnect the Power Input cable by pressing on the locking latch and pulling the cable straight up from the connector.
  • Page 43 Lift the damaged connector panel assembly out from the SPM. Place the included ½” OD X 3/8” ID O-ring onto the manifold. Position the replacement Connector Panel over the SPM and secure with the (4) included 6-32 Keps nuts. Secure the Power Input assembly to the Chassis using the (2) spacers and (2) 4-40 X 1 ¼...
  • Page 44 Place Oxygen Inlet Fitting over the connector panel then insert and tighten with the (3)8-32 X 7/16 screws. Place fitting and O-ring unto Gas Output and tighten with a 1” deep socket wrench. (Do not cross thread). Place the front case assembly over the vent module and tighten the (2) 4-40 X ¼...

  • Page 45: Back Case Kit 712-0731-12 / 712-Egl2-12

    Back Case Kit 712-0731-12 / 712-EGL2-12 Contents: ITEM DESCRIPTION Back Case Assembly Screw, Phillips, Pan Head, SS, Black Oxide, 6-32 X 2 Nut, Keps, 10-32 Instructions: STEP NO. DIRECTIONS Loosen but do not remove the (4) 8-32 X 3 screws on the outer air intake. Loosen and remove the (2) 10-32 Keps nuts and the (4) 6-32 X 2 screws.

  • Page 46: Pim Board Kit 702-0731-02

    PIM Board Kit 702-0731-02 Contents: ITEM DESCRIPTION PIM PCB Instructions: STEP NO. DIRECTIONS Loosen but do not remove the (4) 8-32 X 3 screws on the outer air intake. Loosen and remove the (2) 10- 32 Keps nuts and the (4) 6-32 X 2 screws.
  • Page 47 Loosen and remove the(5) 4-40 X 5/16 screws holding the PIM PCB to the ventilator module. Position SPO2 Insulator out of the way (Do Not Fold) and insert screwdriver through the holes to aid in removing screws. Lift the defective PIM Board out of the ventilator module.
  • Page 48 Attach the back case to the vent module and align cover with handle, air intake housing and dovetail mounting studs. Insert and tighten the included (2) 10- 32 Keps nuts and the (4) 6-32 X 2” screws. Tighten the (4) 8-32 X 3 screws on the outer air intake.

  • Page 49: Cpu/Uim & Spo2 Stack Kit 712-0731-14

    CPU/UIM & SPO2 Stack Kit 712-0731-14 Contents: ITEM DESCRIPTION CPU/UIM & SPO2 Stack Screw, Phillips, Pan Head, SS, 6-32 X 5/16 Screw, Metric, Phillips, Flat Head, M2.5 x 5mm Stainless Steel Instructions: STEP NO. DIRECTIONS Loosen but do not remove the (4) 8-32 X 3 screws on the outer air intake.
  • Page 50 Loosen and remove the two M2.5 X 5mm screws holding the SPO2 cable to the front case. Disconnect the USB cable by pressing on locking tab and pulling cable downwards. Loosen and remove the two (2) 6-32 X 5/16 screws that hold the CPU/UIM &...
  • Page 51 Apply RTV Sealant around the SPO2 Flex Cable and allow to dry. Dress the USB Connector cable along the case and over the SPO2 flex cable. Attach USB Connector cable to its mating connector on the CPU PCB. Make sure tab locks the cable in place. Place the front case assembly over the vent module and tighten the (2) 4-40 X ¼...

  • Page 52: Usb Connector Kit 712-0731-15

    USB Connector Kit 712-0731-15 Contents: ITEM DESCRIPTION USB Connector Assembly Screw, Phillips, Pan Head, Zinc Plated, 4-40 X 3/16 Instructions: STEP NO. DIRECTIONS Loosen but do not remove the (4) 8-32 X 3 screws on the outer air intake. Loosen and remove the (2) 10-32 Keps nuts and the (4) 6-32 X 2 screws.
  • Page 53 Remove the damaged cable by pressing on locking tab and pulling cable downwards. Remove any excess RTV from the case. Insert and tighten the two included 4-40 X 3/16 screws holding the new USB Connector to the front case. Dress the USB Connector cable along the case and over the SPO2 flex cable.

  • Page 54: Gas Output Kit 712-0731-16

    Gas Output Kit 712-0731-16 Contents: ITEM DESCRIPTION Fitting, Patient, Outlet, SPM O-Ring, Neoprene, 1/2" ID Instructions: Step No. Directions Remove the damaged fitting by unscrewing with a 1-inch deep socket wrench. Place O-ring unto underside of outlet fitting. Place fitting and O-ring unto Gas Output and tighten with a 1”...

  • Page 55: Power Input Kit 712-0731-17

    Power Input Kit 712-0731-17 Contents: ITEM DESCRIPTION Power Input Assembly Screw, Phillips, Flat Head, Zinc Plated, 4-40 X 1/4 Screw, Phillips, Flat Head, 4-40 X 1 1/4 Spacer, Nylon, #4, x .812 Long Instructions: Step No. Directions Loosen but do not remove the (4) 8-32 X 3 screws on the outer air intake.
  • Page 56 Remove the battery compartment cover by unscrewing the (4) 6-32 X 5/16 screws. Remove the battery by unscrewing the (4) 6-32 X 2 ¼ screws and detaching the plug from its locking latch. Loosen and remove the (2) 4-40 X 1 ¼...
  • Page 57 Insert the new power input assembly into the connector panel socket and pull on the assembly to insure the locking tabs have engaged. Secure the Power Input assembly to the Connector Panel using the (2) included 4-40 X ¼ screws. Secure the Power Input assembly to the Chassis using the (2) included spacers and (2) included...
  • Page 58 Tighten the (4) 8-32 X 3 screws on the outer air intake. Perform HiPot Testing then perform Calibration and Functional Test using the RCS. 906-0731-04 Rev. B Sept. 2012 Page 58 of 68...

  • Page 59: Oxygen Inlet Fitting Kit 712-0731-18

    Oxygen Inlet Fitting Kit 712-0731-18 Contents: ITEM DESCRIPTION Oxygen Inlet Fitting with Filter, Cap and Chain Screw, Phillips, Flat Head, 8-32 X 7/16, ZP O-Ring, Black, Neoprene, 1/2"O.D.X 3/8"I.D. (Nominal) Instructions: STEP NO. DIRECTIONS Remove the damaged O2 Inlet fitting by unscrewing the dust cap then unscrewing the (3) 8-32 X 7/16 screws.

  • Page 60: Selector Knob Kit 712-0731-19 / 392-0066-00

    Selector Knob Kit 712-0731-19 / 392-0066-00 Contents: ITEM DESCRIPTION Selector Knob with label Instructions: STEP NO. DIRECTIONS (For Eagle II go to step no. 12) Loosen but do not remove the (4) 8-32 X 3 screws on the outer air intake. Loosen and remove the (2) 10-32 Keps nuts and the (4) 6-32 X 2 screws.
  • Page 61 Lift the damaged selector knob from the membrane panel assembly. Push the replacement knob on the membrane panel switch - align with flat on switch . Install the new bezel by tightening the included (7) 4-40 X ¼ screws. Place the front case assembly over the vent module and tighten the (2) 4-40 X ¼...

  • Page 62: Troubleshooting

    Troubleshooting A list of alarms by category and service codes follows with a description of each alarm and possible service kit(s) or action to use to repair the device. Alarm Category Ventilator Comments Service Kit / Resolution Alarm Category user interface goes blank; audible and red LED CPU Failure indicators activated;...

  • Page 63: Service Codes

    PEEP Leak airway pressure 712-0731-02 Disconnect airway pressure 712-0731-02 Calibration Due time since last calibration Recalibrate using RCS Ambient Pressure ambient pressure range: -2000 to +25,000 ft altitude 712-0731-02 Fault Ambient Temperature ambient temperature range: -25 to +50C 712-0731-02 Fault Service Codes Service Service Kit /...
  • Page 64 O2 Supply Pressure Low (O2 Tank O2 supply pressure: trigger < 35 2020 Pressure Low) psig, clear > 40 psig Fresh Gas / Emergency Air Inlet 1030 Fresh Gas Intake Failure blocked Fresh Gas Intake Fault (Compressor Fresh Gas / Emergency Air Inlet 2030 Intake Blocked - Backup Available) blocked...
  • Page 65 2100 Patient Disconnect Paw < [PEEP + 7 cmH2O] 3110 RTC Battery Fault (RTC Battery Low) Vstby < 2.5V 712-0731-02 Recalibrate 3120 Self Check Fault (Calibration Due) > 365 days since last calibration using RCS Ambient Pressure Fault (Excessive ambient pressure transducer 3130 712-0731-02 Altitude Sensor Failure)
  • Page 66 High) VDC, clear < 30 VDC External Power Failed (External Power 3442 5V < external power < 11.5V 702-0731-02 Low) Use Impact external power voltage polarity 3444 External Power Failed Power supply reversed Only Battery Fault - No External Power...
  • Page 67 Battery Fault - With External Power EMV not able to communicate 3455 Connected (Battery Communication with internal battery Failure) Check Cable Internal Communication (Comm) EMV not able to communicate from PIM 3470 Failure Fault - PIM Comm with PIM board to CPU; 702-0731-02 Check Flex Internal Communication (Comm)

  • Page 68: Hipot Testing

    HiPot Testing (708-0731-01) Equipment required: 1) Masimo cable (708-0731-01) with braided conductors. 2) Associated Research Hypot III Dielectric Withstand Tester Model 3765 and test leads. DON’T TOUCH THE UUT OR THE CONNECTIONS DURING THE TEST. HANDLE TEST CLIPS BY INSULATION ONLY, NEVER TOUCH CLIPS DIRECTLY. DO NOT WEAR AN ESD WRISTSTRAP. Do not attempt to operate the Hipot if impaired for any reason including medication, illness, alcohol, Mental stress etc.

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