Inogen One G3HF Service Manual
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Inogen One G3HF Service Manual

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INOGEN ONE G3HF OXYGEN
CONCENTRATOR SERVICE MANUAL
96-06434-00-01
Revision A
Inogen, Inc.
326 Bollay Dr., Goleta, CA 93117
Telephone: 1-866-765-2800
www.inogen.net

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Summary of Contents for Inogen One G3HF

  • Page 1 INOGEN ONE G3HF OXYGEN CONCENTRATOR SERVICE MANUAL 96-06434-00-01 Revision A Inogen, Inc. 326 Bollay Dr., Goleta, CA 93117 Telephone: 1-866-765-2800 www.inogen.net...

  • Page 2: Table Of Contents

    TABLE OF CONTENTS SP-502 and SP-550 Inogen One G3HF Front and Rear Housing Replacement ......3 SP-503 Inogen One G3 User Interface Panel Replacement ............6 SP-504 Inogen One G3 LCD Replacement ................... 11 SP-560 Inogen One G3HF Top Column Receptacle Replacement ..........16 SP-561 and SP 562 Inogen One G3HF Molded Column Tubes ...........

  • Page 3: And Sp-550 Inogen One G3Hf Front And Rear Housing Replacement

    1. When removing screws from the device, carefully set in a bin or secure area as these screws will used to secure the replacement parts. 2. Many of the screws used on the Inogen One G3 have pre-applied loctite on the threads. These loctite screws can be re-used up to four times before replacement screws are required (If exceeded four uses please contact Inogen for a screw replacement kit).
  • Page 4 Figure 3: Direction to slide housing 4. To remove the front housing, place the device on its back side and remove the two screws that secure the front housing to the chassis (Figure 4). Service Manual, Inogen One G3HF 96-06434-00-01 revA...
  • Page 5 (Figures 2 and 4). Tighten to 3 in-lbs. 5. Return the concentrator to the upright position 6. Slide the battery back into the chassis. Ensure the battery clip is fully seated. 96-06434-00-01 revA Service Manual, Inogen One G3HF...

  • Page 6: Inogen One G3 User Interface Panel Replacement

    2. Many of the screws used on the Inogen One G3 have pre-applied loctite on the threads. These loctite screws can be re-used up to four times before replacement screws are required (If exceeded four uses please contact Inogen for a screw replacement kit).
  • Page 7 With the UIP cable connector exposed on the motherboard, gently unplug the UIP cable from the motherboard (Figure 3). Figure 3: Unplug UIP cable from motherboard 96-06434-00-01 revA Service Manual, Inogen One G3HF...
  • Page 8 1. Lay the user interface panel upside down with the underside of the LCD facing upward. Remove the two screws securing the LCD to the user interface panel (Figure 5). Figure 5: Location of LCD screws 96-06434-00-01 revA Service Manual, Inogen One G3HF...
  • Page 9 1. Place the device on its back side. 2. Seat the feet of the front housing into the corresponding grooves on the chassis (Figure 7) then push down and toward the device to secure the housing in the chassis. 96-06434-00-01 revA Service Manual, Inogen One G3HF...
  • Page 10 Tighten screws to 3 in-lbs. 5. Return the concentrator to the upright position. 6. Slide the battery back into the chassis. Ensure the battery clip is fully seated. 96-06434-00-01 revA Service Manual, Inogen One G3HF -10-...

  • Page 11: Inogen One G3 Lcd Replacement

    1. When removing screws from the device carefully set in a bin or secure area as these screws will used to secure the replacement parts. 2. Many of the screws using on the Inogen One G3 have pre-applied loctite on the threads. These loctite screws can be re-used up to four times before replacement screws are required (If exceeded four uses please contact Inogen for a screw replacement kit).
  • Page 12 With the UIP cable connector exposed on the motherboard, gently unplug the UIP cable from the motherboard (Figure 3). Figure 3: Unplug UIP cable from motherboard Service Manual, Inogen One G3HF 96-06434-00-01 revA -12-...
  • Page 13 4. Lay the user interface panel upside down with the underside of the LCD facing upward. Remove the two screws securing the LCD to the user interface panel and remove the LCD (Figure 5). Figure 5: Location of LCD screw 96-06434-00-01 revA Service Manual, Inogen One G3HF -13-...
  • Page 14 7. Re-install the four screws that connect the user interface panel to the chassis (Figures 1 and 2). Tighten screws to 5 in-lbs. Service Manual, Inogen One G3HF 96-06434-00-01 revA -14-...
  • Page 15 Tighten screws to 3 in-lbs. 5. Return the concentrator to the upright position. 6. Slide the battery back into the chassis. Ensure the battery clip is fully seated. 96-06434-00-01 revA Service Manual, Inogen One G3HF -15-...

  • Page 16: Inogen One G3Hf Top Column Receptacle Replacement

    1. When removing screws from the device carefully set in a bin or secure area as these screws will used to secure the replacement parts. 2. Many of the screws using on the Inogen One G3 have pre-applied loctite on the threads. These loctite screws can be re-used up to four times before replacement screws are required (If exceeded four uses please contact Inogen for a screw replacement kit).
  • Page 17 With the UIP cable connector exposed on the motherboard, gently unplug the UIP cable from the motherboard (Figure 3). Figure 3: Unplug UIP cable from motherboard 96-06434-00-01 revA Service Manual, Inogen One G3HF -17-...
  • Page 18 1. Install the column receptacle into the molded column tube, ensuring that the clocking lines on the tube are directly on top of the receptacle barb (Figure 6). Place the receptacle on top of the column. 96-06434-00-01 revA Service Manual, Inogen One G3HF -18-...
  • Page 19 5. Place the device on its back side. 6. Seat the feet of the front housing into the corresponding grooves on the chassis (Figure 9) then push down and toward the device to secure the housing in the chassis. 96-06434-00-01 revA Service Manual, Inogen One G3HF -19-...
  • Page 20 Tighten screws to 3 in-lbs. 9. Return the concentrator to the upright position. 10. Slide the battery back into the chassis. Ensure the battery clip is fully seated. 96-06434-00-01 revA Service Manual, Inogen One G3HF -20-...

  • Page 21: And Sp 562 Inogen One G3Hf Molded Column Tubes

    1. When removing screws from the device carefully set in a bin or secure area as these screws will used to secure the replacement parts. 2. Many of the screws using on the Inogen One G3 have pre-applied loctite on the threads. These loctite screws can be re-used up to four times before replacement screws are required (If exceeded four uses please contact Inogen for a screw replacement kit).
  • Page 22 With the UIP cable connector exposed on the motherboard, gently unplug the UIP cable from the motherboard (Figure 3). Figure 3: Unplug UIP cable from motherboard Service Manual, Inogen One G3HF 96-06434-00-01 revA -22-...
  • Page 23 (Figures 6 and 7). Then remove the tube from the Feed Waste Manifold using a small flathead screw driver (Figure 9). 96-06434-00-01 revA Service Manual, Inogen One G3HF -23-...
  • Page 24 Be careful not to apply any force to the pressure sensor (Figure 8). Then remove the Column Tube from the Feed Waste Manifold using a small flathead screwdriver (Figure 9). Figure 8: Accumulator Sensor Tubing Service Manual, Inogen One G3HF 96-06434-00-01 revA -24-...
  • Page 25 3. Install the column receptacle into the molded column tube, ensuring that the clocking lines on the tube are directly on top of the receptacle barb (Figure 10). Place the receptacle on top of the column. Figure 10: Column Receptacle and Tubing 96-06434-00-01 revA Service Manual, Inogen One G3HF -25-...
  • Page 26 Tighten screws to 3 in-lbs. 9. Return the concentrator to the upright position. 10. Slide the battery back into the chassis. Ensure the battery clip is fully seated. 96-06434-00-01 revA Service Manual, Inogen One G3HF -26-...

  • Page 27: Inogen One G3 Inlet Tube Replacement

    1. When removing screws from the device carefully set in a bin or secure area as these screws will used to secure the replacement parts. 2. Many of the screws using on the Inogen One G3 have pre-applied loctite on the threads. These loctite screws can be re-used up to four times before replacement screws are required (If exceeded four uses please contact Inogen for a screw replacement kit).
  • Page 28 With the UIP cable connector exposed on the motherboard, gently unplug the UIP cable from the motherboard (Figure 3). Figure 3: Unplug UIP cable from motherboard 96-06434-00-01 revA Service Manual, Inogen One G3HF -28-...
  • Page 29 1. Remove the Inlet tube from the feed waste manifold using a small flathead screw driver, if necessary (Figure 5). Be careful not to damage the sealing surface of the manifold barb when removing the tube. Figure 5: Inlet Tube and feed waste manifold 96-06434-00-01 revA Service Manual, Inogen One G3HF -29-...
  • Page 30 2. Attach the bottom end of the new Inlet tube to the inlet union, with the other alignment mark pointing down on the inlet union barb (Figure 6 and 7). Make sure the tubing is fully seated onto the inlet union. 3. Re-install the motherboard. 96-06434-00-01 revA Service Manual, Inogen One G3HF -30-...
  • Page 31 Tighten screws to 3 in-lbs. 9. Return the concentrator to the upright position. 10. Slide the battery back into the chassis. Ensure the battery clip is fully seated. 96-06434-00-01 revA Service Manual, Inogen One G3HF -31-...

  • Page 32: Inogen One G3 Exhaust Tube Replacement

    1. When removing screws from the device carefully set in a bin or secure area as these screws will used to secure the replacement parts. 2. Many of the screws using on the Inogen One G3 have pre-applied loctite on the threads. These loctite screws can be re-used up to four times before replacement screws are required (If exceeded four uses please contact Inogen for a screw replacement kit).
  • Page 33 With the UIP cable connector exposed on the motherboard, gently unplug the UIP cable from the motherboard (Figure 3). Figure 3: Unplug UIP cable from motherboard 96-06434-00-01 revA Service Manual, Inogen One G3HF -33-...
  • Page 34 Figure 4: Remove cannula tube and LCD cable from user interface panel Instructions for Removing the Exhaust Tube: 1. Remove the Exhaust Tube from the Tube Bracket and Muffler Assembly (Figure 5). Figure 5: Exhaust Tube and Tube Bracket and Muffler Assembly 96-06434-00-01 revA Service Manual, Inogen One G3HF -34-...
  • Page 35 3. Remove the exhaust tube from the feed waste manifold using a small flathead screw driver, if necessary (Figure 8). Figure 8: Exhaust tube and feed waste manifold 4. Remove the tube from the device. 96-06434-00-01 revA Service Manual, Inogen One G3HF -35-...
  • Page 36 5. Place the device on its back side. 6. Seat the feet of the front housing into the corresponding grooves on the chassis (Figure 10) then push down and toward the device to secure the housing in the chassis. 96-06434-00-01 revA Service Manual, Inogen One G3HF -36-...
  • Page 37 Tighten screws to 3 in-lbs. 9. Return the concentrator to the upright position 10. Slide the battery back into the chassis. Ensure the battery clip is fully seated. 96-06434-00-01 revA Service Manual, Inogen One G3HF -37-...

  • Page 38: Inogen One G3 Filter Box Lid Replacement

    2. Many of the screws used on the Inogen One G3 have pre-applied loctite to the threads. These loctite screws can be re-used up to four times before replacement screws are required (If exceeded four uses please contact Inogen for a screw replacement kit).
  • Page 39 (Figure 2). Tighten screws to 4.5 in-lbs. 2. Return the concentrator to the upright position. 3. Slide the battery back into the chassis. Ensure the battery clip is fully seated. 96-06434-00-01 revA Service Manual, Inogen One G3HF -39-...

  • Page 40: Inogen One G3Hf Fan Replacement

    2. Many of the screws used on the Inogen One G3 have pre-applied loctite on the threads. These loctite screws can be re-used up to four times before replacement screws are required (If exceeded four uses please contact Inogen for a screw replacement kit).
  • Page 41 With the UIP cable connector exposed on the motherboard, gently unplug the UIP cable from the motherboard (Figure 3). Figure 3: Unplug UIP cable from motherboard Service Manual, Inogen One G3HF 96-06434-00-01 revA -41-...
  • Page 42 Figure 4: Remove cannula tube and LCD cable from user interface panel Instructions for Removing the Fan: 1. Unplug the fan cable from the motherboard. Use pliers if necessary (Figure 5). Figure 5: Location of fan connector on motherboard Service Manual, Inogen One G3HF 96-06434-00-01 revA -42-...
  • Page 43 (Figure 6). Screws Pegs Figure 6: Tube Bracket and Muffler Assembly Unclip the column tubing from the inlet union (Figure 7). Figure 7: Column tubing and inlet union 96-06434-00-01 revA Service Manual, Inogen One G3HF -43-...
  • Page 44 4. Re-install the four screws that connect the user interface panel to the chassis (Figures 1 and 2). Tighten screws to 5 in-lbs. 5. Place the device on its back side. Service Manual, Inogen One G3HF 96-06434-00-01 revA -44-...
  • Page 45 Tighten screws to 3 in-lbs. Return the concentrator to the upright position 10. Slide the battery back into the chassis. Ensure the battery clip is fully seated. 96-06434-00-01 revA Service Manual, Inogen One G3HF -45-...

  • Page 46: Inogen One G3 Compressor Replacement

    2. Many of the screws used on the Inogen One G3 have pre-applied loctite on the threads. These loctite screws can be re-used up to four times before replacement screws are required (If exceeded four uses please contact Inogen for a screw replacement kit).
  • Page 47 2. Remove the four screws attaching the filter box lid to the filter body (Figure 4) and remove the filter box lid using a flathead screwdriver to separate it from the filter body, if necessary. 96-06434-00-01 revA Service Manual, Inogen One G3HF -47-...
  • Page 48 Figure 4: Filter box lid screws 3. Locate and remove the two screws connecting the compressor feet to the filter body with a 4mm Allen key driver (Figure 5). Figure 5: Compressor screws 96-06434-00-01 revA Service Manual, Inogen One G3HF -48-...
  • Page 49 Figure 6: Dual feed tube screw and washer 5. Unplug the dual feed tube from the grey inlet union using a flathead screwdriver, if necessary (Figure 7). Figure 7: Unplug dual feed tube 96-06434-00-01 revA Service Manual, Inogen One G3HF -49-...
  • Page 50 6. Remove the compressor cable from the motherboard using pliers to press down on the release clip while pulling the connector housing away from the device (Figure 8). Do not pull on the compressor wires. Compressor Cable Figure 8: Detach compressor cable from Motherboard 96-06434-00-01 revA Service Manual, Inogen One G3HF -50-...
  • Page 51 7. Gently lift the compressor away from the device and remove the compressor (Figure 9). Figure 9: Remove the compressor 96-06434-00-01 revA Service Manual, Inogen One G3HF -51-...
  • Page 52 Instructions for Replacing the Housing: 1. Seat the feet of the front housing into the corresponding grooves on the chassis (Figure 11) then push down and toward the device to secure the housing in the chassis. 96-06434-00-01 revA Service Manual, Inogen One G3HF -52-...
  • Page 53 2. Replace the two screws that connect the front housing to the chassis (Figure 2). Tighten screws to 3 in-lbs. 3. Return the concentrator to the upright position. 4. Slide the battery back into the chassis. Ensure the battery clip is fully seated. 96-06434-00-01 revA Service Manual, Inogen One G3HF -53-...

  • Page 54: Inogen One G3Hf Power Cable Replacement

    2. Many of the screws used on the Inogen One G3 have pre-applied loctite on the threads. These loctite screws can be re-used up to four times before replacement screws are required (If exceeded four uses please contact Inogen for a screw replacement kit).
  • Page 55 With the UIP cable connector exposed on the motherboard, gently unplug the UIP cable from the motherboard (Figure 3). Figure 3: Unplug UIP cable from motherboard 96-06434-00-01 revA Service Manual, Inogen One G3HF -55-...
  • Page 56 Figure 4: Remove cannula tube and LCD cable from user interface panel Instructions for Replacing the Power Cable: Remove all five (5) screws on the motherboard (Figure 5). Figure 5: G3HF Motherboard 96-06434-00-01 revA Service Manual, Inogen One G3HF -56-...
  • Page 57 Figure 7: Power Cable removed Install the new power cable by connecting it to the motherboard and aligning the power plug in its designated position on the chassis (Figure 8). Figure 8: Properly installed power cable 96-06434-00-01 revA Service Manual, Inogen One G3HF -57-...
  • Page 58 Tighten screws to 3 in-lbs. 9. Return the concentrator to the upright position. 10. Slide the battery back into the chassis. Ensure the battery clip is fully seated. 96-06434-00-01 revA Service Manual, Inogen One G3HF -58-...

  • Page 59: Inogen One G3Hf Product Manifold Replacement

    2. Many of the screws used on the Inogen One G3 have pre-applied loctite on the threads. These loctite screws can be re-used up to four times before replacement screws are required (If exceeded four uses please contact Inogen for a screw replacement kit).
  • Page 60 With the UIP cable connector exposed on the motherboard, gently unplug the UIP cable from the motherboard (Figure 3). Figure 3: Unplug UIP cable from motherboard 96-06434-00-01 revA Service Manual, Inogen One G3HF -60-...
  • Page 61 (Figures 5 and 6). Figure 5: Feed Waste Manifold Harnesses Figure 6: Product Manifold Harness 96-06434-00-01 revA Service Manual, Inogen One G3HF -61-...
  • Page 62 4. Remove the Column A tube from the Product Manifold by pushing down on the retaining ring of the quick connect while pulling the tubing down (Figure 9). Then release the accumulator tubing from its quick connect in the same manner. 96-06434-00-01 revA Service Manual, Inogen One G3HF -62-...
  • Page 63 3. Remove the two screws from the Column Receptacle attached to the Short Column Tube (Figure 10). Life the receptacle away from the chassis to free the manifold. Figure 10: Column Receptacle screws 96-06434-00-01 revA Service Manual, Inogen One G3HF -63-...
  • Page 64 5. Place the device on its back side. 6. Seat the feet of the front housing into the corresponding grooves on the chassis (Figure 10) then push down and toward the device to secure the housing in the chassis. 96-06434-00-01 revA Service Manual, Inogen One G3HF -64-...
  • Page 65 Tighten screws to 3 in-lbs. 9. Return the concentrator to the upright position 10. Slide the battery back into the chassis. Ensure the battery clip is fully seated. 96-06434-00-01 revA Service Manual, Inogen One G3HF -65-...

  • Page 66: Inogen One G3Hf Feed Waste Manifold Replacement

    2. Many of the screws used on the Inogen One G3 have pre-applied loctite on the threads. These loctite screws can be re-used up to four times before replacement screws are required (If exceeded four uses please contact Inogen for a screw replacement kit).
  • Page 67 With the UIP cable connector exposed on the motherboard, gently unplug the UIP cable from the motherboard (Figure 3). Figure 3: Unplug UIP cable from motherboard 96-06434-00-01 revA Service Manual, Inogen One G3HF -67-...
  • Page 68 (Figures 5 and 6). Figure 5: Feed Waste Manifold Harnesses Figure 6: Product Manifold Harness 96-06434-00-01 revA Service Manual, Inogen One G3HF -68-...
  • Page 69 4. Remove the Accumulator Sensor Tubing by pushing down on the retaining ring while gently pulling on the tubing. Be careful not to apply any force to the pressure sensor. (Figure 10) Figure 10: Accumulator Sensor Tubing 96-06434-00-01 revA Service Manual, Inogen One G3HF -69-...
  • Page 70 6. Remove all four tubes from the Feed Waste Manifold using a small flat head screw driver or pliers if necessary: Short Molded Column Tube, Long Molded Column Tube, Exhaust Tube, and Inlet Tube (Figure 12). Figure 12: Feed Waste Manifold and Tubing 96-06434-00-01 revA Service Manual, Inogen One G3HF -70-...
  • Page 71 4. Re-install the four screws that connect the user interface panel to the chassis (Figures 1 and 2). Tighten screws to 5 in-lbs. 5. Place the device on its back side. 96-06434-00-01 revA Service Manual, Inogen One G3HF -71-...
  • Page 72 Tighten screws to 3 in-lbs. 9. Return the concentrator to the upright position. 10. Slide the battery back into the chassis. Ensure the battery clip is fully seated. 96-06434-00-01 revA Service Manual, Inogen One G3HF -72-...

  • Page 73: Inogen One G3 Accumulator Replacement

    2. Many of the screws used on the Inogen One G3 have pre-applied loctite on the threads. These loctite screws can be re-used up to four times before replacement screws are required (If exceeded four uses please contact Inogen for a screw replacement kit).
  • Page 74 With the UIP cable connector exposed on the motherboard, gently unplug the UIP cable from the motherboard (Figure 3). Figure 3: Unplug UIP cable from motherboard 96-06434-00-01 revA Service Manual, Inogen One G3HF -74-...
  • Page 75 1. Locate and remove the two screws that connect the tube bracket to the chassis (Figure 5). This frees the tubes surrounding the accumulator and makes more room for removal. Figure 5: Tube bracket screws 96-06434-00-01 revA Service Manual, Inogen One G3HF -75-...
  • Page 76 3. Locate the column tube attached to the Product Manifold. Release the Column B Tube from its quick connect by pushing down on the retaining ring while pulling on the tubing. (Figure 7). Figure 7: Exhaust Tube and Column Tube 96-06434-00-01 revA Service Manual, Inogen One G3HF -76-...
  • Page 77 (Figure 8). Figure 8: Accumulator Tubing removal 5. Detach the Inlet tube from the inlet union barb (Figure 9). Figure 9: Tube Bracket Removal 96-06434-00-01 revA Service Manual, Inogen One G3HF -77-...
  • Page 78 Be careful not to apply any force to the pressure sensor. (Figure 10) Figure 10: Accumulator Sensor Tubing 7. Carefully slide the Accumulator out of the assembly (Figures 11 and 12). Figure 11: Removing Accumulator 96-06434-00-01 revA Service Manual, Inogen One G3HF -78-...
  • Page 79 (Figure 13). Figure 13: Zip Tie Installed 2. Slide the accumulator barb into the housing chassis opening (Figure 14). Housing Chassis Opening Accumulator barb Figure 14: Accumulator barb and Housing chassis opening 96-06434-00-01 revA Service Manual, Inogen One G3HF -79-...
  • Page 80 5. Place the device on its back side. 6. Seat the feet of the front housing into the corresponding grooves on the chassis (Figure 16) then push down and toward the device to secure the housing in the chassis. 96-06434-00-01 revA Service Manual, Inogen One G3HF -80-...
  • Page 81 Tighten screws to 3 in-lbs. 9. Return the concentrator to the upright position 10. Slide the battery back into the chassis. Ensure the battery clip is fully seated. 96-06434-00-01 revA Service Manual, Inogen One G3HF -81-...

  • Page 82: Inogen One G3 Breath Detect Sensor Replacement

    2. Many of the screws used on the Inogen One G3 have pre-applied loctite on the threads. These loctite screws can be re-used up to four times before replacement screws are required (If exceeded four uses please contact Inogen for a screw replacement kit).
  • Page 83 With the UIP cable connector exposed on the motherboard, gently unplug the UIP cable from the motherboard (Figure 3). Figure 3: Unplug UIP cable from motherboard 96-06434-00-01 revA Service Manual, Inogen One G3HF -83-...
  • Page 84 Detach the compressor cable from the motherboard using long pliers to press down on the release clip while pulling on the wire connector (Figure 5). Do not pull on the compressor wires. Compressor Cable 96-06434-00-01 revA Service Manual, Inogen One G3HF -84-...
  • Page 85 3. Remove the Accumulator Sensor Tubing by pushing down on the retaining ring while gently pulling on the tubing. Be careful not to apply any force to the pressure sensor. (Figure 8) 96-06434-00-01 revA Service Manual, Inogen One G3HF -85-...
  • Page 86 Figure 8: Accumulator Sensor Tubing 4. Unscrew the five screws that attach the motherboard to the chassis on the back side of the device (Figure 9). Figure 9: Motherboard screws 96-06434-00-01 revA Service Manual, Inogen One G3HF -86-...
  • Page 87 (Figure 11). Joiner Tube Breath Detect Sensor Tubing Figure 11: Disconnect tubing from oxygen sensor 7. Carefully pull the breath detect off of the motherboard by lifting the white board straight 96-06434-00-01 revA Service Manual, Inogen One G3HF -87-...
  • Page 88 5. Place the device on its back side. 6. Seat the feet of the front housing into the corresponding grooves on the chassis (Figure 14) then push down and toward the device to secure the housing in the chassis. 96-06434-00-01 revA Service Manual, Inogen One G3HF -88-...
  • Page 89 Tighten screws to 3 in-lbs. 9. Return the concentrator to the upright position 10. Slide the battery back into the chassis. Ensure the battery clip is fully seated. 96-06434-00-01 revA Service Manual, Inogen One G3HF -89-...

  • Page 90: Inogen One G3Hf Motherboard Replacement

    2. Many of the screws used on the Inogen One G3 have pre-applied loctite on the threads. These loctite screws can be re-used up to four times before replacement screws are required (If exceeded four uses please contact Inogen for a screw replacement kit).
  • Page 91 With the UIP cable connector exposed on the motherboard, gently unplug the UIP cable from the motherboard (Figure 3). Figure 3: Unplug UIP cable from motherboard 96-06434-00-01 revA Service Manual, Inogen One G3HF -91-...
  • Page 92 1. Locate the compressor cable. Detach the compressor cable from the motherboard using long pliers to press down on the release clip while pulling the connector housing (Figure 5). Do not pull on the compressor wires. Compressor Cable 96-06434-00-01 revA Service Manual, Inogen One G3HF -92-...
  • Page 93 3. Remove the Accumulator Sensor Tubing by pushing down on the retaining ring while gently pulling on the tubing. Be careful not to apply any force to the pressure sensor. (Figure 8) 96-06434-00-01 revA Service Manual, Inogen One G3HF -93-...
  • Page 94 Figure 8: Accumulator Sensor Tubing 4. Unscrew the five screws that attach the motherboard to the chassis on the back side of the device (Figure 9). Figure 9: Motherboard screws 96-06434-00-01 revA Service Manual, Inogen One G3HF -94-...
  • Page 95 (Figure 6. Connect the Product Manifold harness and the Feed Waste Manifold harnesses (Figure 7 and 6.) 7. Plug the compressor cable back into the motherboard (Figure 5). 96-06434-00-01 revA Service Manual, Inogen One G3HF -95-...
  • Page 96 Tighten screws to 3 in-lbs. 9. Return the concentrator to the upright position. 10. Slide the battery back into the chassis. Ensure the battery clip is fully seated. 96-06434-00-01 revA Service Manual, Inogen One G3HF -96-...

  • Page 97: Inogen One G3 Filter Body Replacement

    2. Many of the screws used on the Inogen One G3 have pre-applied loctite on the threads. These loctite screws can be re-used up to four times before replacement screws are required (If exceeded four uses please contact Inogen for a screw replacement kit).
  • Page 98 4. Unscrew the two screws attaching the filter body to the chassis and unplug the tubing from the filter body (Figure 4). Plug this tube onto the same barb on the new filter body 96-06434-00-01 revA Service Manual, Inogen One G3HF -98-...
  • Page 99 Instructions for Replacing the Filter Body: 1. To replace the filter body housing, place the Overmolded mount on top of the filter body housing. Torque the four screws to 6 in-lbs. in the following order (Figure 6). 96-06434-00-01 revA Service Manual, Inogen One G3HF -99-...
  • Page 100 4. Make sure the other end of the filter body tubing is oriented in its designated space on the tube bracket (Figure 3). 5. Replace the bottom center screw on the motherboard that attaches the filter body to the motherboard (Figure 1). Tighten screw to 4.5 in-lbs. 96-06434-00-01 revA Service Manual, Inogen One G3HF -100-...
  • Page 101 Tighten screws to 3 in-lbs. 5. Return the concentrator to the upright position 6. Slide the battery back into the chassis. Ensure the battery clip is fully seated. 96-06434-00-01 revA Service Manual, Inogen One G3HF -101-...

  • Page 102: Inogen One G3Hf Tube Bracket And Muffler Replacement

    2. Many of the screws used on the Inogen One G3 have pre-applied loctite on the threads. These loctite screws can be re-used up to four times before replacement screws are required (If exceeded four uses please contact Inogen for a screw replacement kit).
  • Page 103 Remove the two screws holding in the Tube Bracket and Muffler Assembly. Then slide the bracket pegs out of the chassis (Figure 3). Screws Pegs Figure 3: Tube Bracket and Muffler Assembly 2. Remove the tube bracket. 96-06434-00-01 revA Service Manual, Inogen One G3HF -103-...
  • Page 104 3. Replace the two screws that connect the front housing to the chassis (Figure 2). Tighten screws to 3 in-lbs. 4. Return the concentrator to the upright position 5. Slide the battery back into the chassis. Ensure the battery clip is fully seated. 96-06434-00-01 revA Service Manual, Inogen One G3HF -104-...

  • Page 105: Inogen One G3 Lcd Cable Replacement

    1. When removing screws from the device carefully set in a bin or secure area as these screws will used to secure the replacement parts. 2. Many of the screws using on the Inogen One G3 have pre-applied loctite on the threads. These loctite screws can be re-used up to four times before replacement screws are required (If exceeded four uses please contact Inogen for a screw replacement kit).
  • Page 106 (Figure 3). Figure 3: Unplug UIP cable from motherboard 3. Gently unplug the cannula tube and the LCD cable from the user interface panel (Figure 4). Remove the user interface panel. 96-06434-00-01 revA Service Manual, Inogen One G3HF -106-...
  • Page 107 1. Remove the power cable from the user interface panel and install the new LCD cable. Fold the cable as shown in Figure 5. Note the location of the red wire. Figure 5: Orientation of LCD cable Instructions for Replacing the Housing: 96-06434-00-01 revA Service Manual, Inogen One G3HF -107-...
  • Page 108 Tighten screws to 3 in-lbs. 9. Return the concentrator to the upright position. 10. Slide the battery back into the chassis. Ensure the battery clip is fully seated. 96-06434-00-01 revA Service Manual, Inogen One G3HF -108-...

  • Page 109: Inogen One G3 Dual Feed Tube Replacement

    2. Many of the screws used on the Inogen One G3 have pre-applied loctite on the threads. These loctite screws can be re-used up to four times before replacement screws are required (If exceeded four uses please contact Inogen for a screw replacement kit).
  • Page 110 Figure 2: Detach compressor cable from motherboard 3. Remove the screw and washer that connect the dual end of the feed tube to the chassis (Figure 3). Figure 3: Dual feed tube screw and washer 96-06434-00-01 revA Service Manual, Inogen One G3HF -110-...
  • Page 111 5. Unscrew the two screws on the front of the device and the bottom center screw on the back of the device that connect the filter body to the chassis (Figures 5 and 6). Figure 5: Location of front screws Figure 6: Location of rear screw Service Manual, Inogen One G3HF 96-06434-00-01 revA -111-...
  • Page 112 Instructions for Replacing the Dual Feed Tube: 1. Use the same technique to install the new dual feed tube to the compressor. Use pliers to push the tube onto the connectors (Figure 9). Service Manual, Inogen One G3HF 96-06434-00-01 revA -112-...
  • Page 113 6 in-lbs and 4.5 in-lbs respectively. 4. Reinstall the screw and washer that connect the dual end of the feed tube to the chassis, tightening to 3 in-lbs. (Figure 3). 96-06434-00-01 revA Service Manual, Inogen One G3HF -113-...
  • Page 114 Tighten screws to 3 in-lbs. 5. Return the concentrator to the upright position 6. Slide the battery back into the chassis. Ensure the battery clip is fully seated. Service Manual, Inogen One G3HF 96-06434-00-01 revA -114-...

  • Page 115: Inogen One G3 Column Latch Replacement

    1. When removing screws from the device carefully set in a bin or secure area as these screws will used to secure the replacement parts. 2. Many of the screws using on the Inogen One G3 have pre-applied loctite on the threads. These loctite screws can be re-used up to four times before replacement screws are required (If exceeded four uses please contact Inogen for a screw replacement kit).
  • Page 116 1. With the device still on its front side, locate the spring nest, spring, and column latch assembly. Gently pull the spring nest away from the chassis and remove the spring nest and spring together (Figure 4). 96-06434-00-01 revA Service Manual, Inogen One G3HF -116-...
  • Page 117 (See figure 5 for orientation). 2. Assemble the spring and spring nest together with the spring wrapped around the circular spring attachment (Figure 6). 96-06434-00-01 revA Service Manual, Inogen One G3HF -117-...
  • Page 118 5. If the column latch isn’t fully seated against the bottom of its space in the chassis as shown in Figure 7, push the column further into the device until it clicks in place. 6. If replacing both column latches, repeat procedure for the other column latch. 96-06434-00-01 revA Service Manual, Inogen One G3HF -118-...
  • Page 119 2. Replace the two screws that connect the back housing to the chassis (Figure 2). Tighten screws to 3 in-lbs. 3. Return the concentrator to the upright position 4. Slide the battery back into the chassis. Ensure the battery clip is fully seated. 96-06434-00-01 revA Service Manual, Inogen One G3HF -119-...

  • Page 120: Inogen One G3 Column Receptacle Replacement

    2. Many of the screws used on the Inogen One G3 have pre-applied loctite on the threads. These loctite screws can be re-used up to four times before replacement screws are required (If exceeded four uses please contact Inogen for a screw replacement kit).
  • Page 121 Unclip the long column tube from the inlet union barb. Manifold Tubing Union Barb Figure 3: Tube bracket screws Service Manual, Inogen One G3HF 96-06434-00-01 revA - 121 -...
  • Page 122 The receptacle washer should remain in place on the other side of the chassis. Figure 5: Push down on column latch while unscrewing receptacle Service Manual, Inogen One G3HF 96-06434-00-01 revA - 122 -...
  • Page 123 (Figure 3). Tighten screws to 4 in-lbs. Assure both lower grommets are in place against the receptacle tubes (Figure 7). Figure 7: Left lower grommet Service Manual, Inogen One G3HF 96-06434-00-01 revA - 123 -...
  • Page 124 3. Replace the two screws that connect the front housing to the chassis (Figure 2). Tighten screws to 3 in-lbs. 4. Return the concentrator to the upright position. 5. Slide the battery back into the chassis. Ensure the battery clip is fully seated. Service Manual, Inogen One G3HF 96-06434-00-01 revA - 124 -...

  • Page 125: Inogen One G3F Chassis Replacement

    1. When removing screws from the device carefully set in a bin or secure area as these screws will used to secure the replacement parts. 2. Many of the screws using on the Inogen One G3 have pre-applied loctite on the threads. These loctite screws can be re-used up to four times before replacement screws are required (If exceeded four uses please contact Inogen for a screw replacement kit).
  • Page 126 (Figure 2). Figure 2: Receptacle washer 4. See “SP-521 Inogen One G3 Column Latch Replacement” for instructions on removing the column latches. 5. See “SP-503 Inogen One G3 User Interface Panel Replacement” for instructions on removing the user interface panel.
  • Page 127 These parts can be installed on the new chassis as one unit. 12. See “SP-553 Inogen One G3HF Fan Replacement” for instructions on removing the Fan. 13. Now that all parts have been removed from the chassis, they can be installed onto the new chassis.
  • Page 128 22. See “SP-521 Inogen One G3 Column Latch Replacement” for instructions on replacing the column latches. 23. Replace the receptacle washers (Figure 2) then see “SP-522 Inogen One G3 Column Receptacle Replacement” for instructions on replacing the column receptacles, attached tubing, columns, and tube bracket.
  • Page 129 The Cigarette lighter adapter plug on the Switch the setting on the cigarette charges battery on DC blows or overheats cord is set improperly lighter adapter plug to Wide from automobile power Narrow 96-06434-00 Service Manual, Inogen One G3HF - 157 -...
  • Page 130 If the problem persists, try a remaining run time status different battery or a different Or the battery might be severely depleted motherboard and in need of charging 96-06434-00 Service Manual, Inogen One G3HF - 158 -...
  • Page 131 If this error persists, the tubing should Causes of this error be checked for leaks or kinks. If no tubing problems are found, replace the zeolite beds or the product manifold 96-06434-00 Service Manual, Inogen One G3HF - 159 -...
  • Page 132 If F/W manifold is faulty, plugging the and no O2 is being delivered while this black exhaust tube will start the PSA error is present cycle confirming the F/W manifold was stuck in an indeterminate position 96-06434-00 Service Manual, Inogen One G3HF - 160 -...
  • Page 133 Driver Software older compressors that have an 8 wire harness (hall sensor control). Software v1.1 and 1.2 can be used with the older 8 wire harnesses and newer 3 wire harnesses. 96-06434-00 Service Manual, Inogen One G3HF - 161 -...
  • Page 134 T10 Torx Driver Small Flathead Screwdriver Pliers Scissors 1/8” Hex Driver Ultrasonic Oxygen Analyzer Invacare Check O2 Plus Ultrasonic Oxygen Analyzer Salter Labs ProO2 Check Elite Inogen Spanner Wrench For cannula barb removal 96-06434-00 Service Manual, Inogen One G3HF - 162 -...

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