Invacare 2G Tarsys Service Manual
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Invacare 2G Tarsys Service Manual

Invacare 2G Tarsys Service Manual

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Service Manual
2G Tarsys
2GR™- Recline Only
2GTR™- Tilt/Recline
DEALER: Keep this manual. The
procedures in this manual MUST be
performed by a qualified technician.
For more information regarding
Invacare products, parts, and services,
please visit www.invacare.com
Seating System
2GT™- Tilt Only
on
®
TDX
Wheelchairs
Powered
®

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Summary of Contents for Invacare 2G Tarsys

  • Page 1 Seating System 2GT™- Tilt Only 2GR™- Recline Only 2GTR™- Tilt/Recline ® Wheelchairs DEALER: Keep this manual. The procedures in this manual MUST be performed by a qualified technician. For more information regarding Invacare products, parts, and services, please visit www.invacare.com...

  • Page 2: Useful Terms

    Refer to the table below for part numbers of additional documents which are referenced in this manual. TDX BASE OWNER’S TDX SERVICE MANUAL ELECTRONICS MANUAL MANUAL 1114809 1114819 1114808 - MK ™EX™and MK TT-EX NOTE: Updated versions of this manual are available on www.invacare.com. 2G Tarsys®Powered Seating System Part No 1114842...

  • Page 3: Table Of Contents

    Removing/Installing the Linear Guides....................46 Removing/Installing the Seat Brackets ....................48 Tilt Only and Tilt/Recline Systems....................48 Recline Only Systems..........................51 Removing/Installing the Lower Interface Brackets................52 Removing ...............................52 Installing..............................52 SECTION 6—SEAT ADJUSTMENTS ............ 54 Replacing Seat Positioning Strap ......................54 Part No 1114842 2G Tarsys®Powered Seating System...
  • Page 4 Adjusting Back Angle ..........................80 Removing/Installing the Curved Links....................82 Tilt Only Systems ..........................82 Recline Only and Tilt/Recline Systems....................83 Removing/Installing Back Pan .........................85 Removing ...............................85 Installing..............................85 Removing/Installing Spreader Bar ......................87 Slotted Back Canes..........................87 Round Back Canes..........................88 2G Tarsys®Powered Seating System Part No 1114842...
  • Page 5 Adjusting the Power Elevating Legrests ................... 106 Adjusting the Footplate ........................106 Adjusting the Calf Pad........................108 Adjusting the Length of Power Legrest ..................110 Removing/Installing the Power Elevating Legrest Harness ............110 Removing ............................110 Installing............................... 110 Part No 1114842 2G Tarsys®Powered Seating System...
  • Page 6 A Note About Drive Lock-Out ......................126 Operating Powered Seating Systems ....................127 Single Function Toggle Switch (TRSS)..................128 Optional Four-Way Toggle Switch ....................129 Vernier Shear Reduction (2G Tarsys Systems Only) ............... 130 Removing/Installing the Tilt Actuator ....................131 Removing ............................131 Installing............................... 131 Removing/Installing the VSR Actuator....................
  • Page 7 Adjusting a Tilt Potentiometer Used With a TRSS..............152 Adjusting Tilt Potentiometer Used With a TRCM, TAC or SAC......... 153 Adjusting Recline Potentiometer ....................... 154 Removing/Installing the Recline Potentiometer................155 Removing ............................155 Installing............................... 155 Part No 1114842 2G Tarsys®Powered Seating System...
  • Page 8 4-Way Switch, TRCM and/or TAC Cables................. 161 Joystick, SAC or TRSS Cables......................163 All Cables (Final Steps) ........................163 Wiring Schematics..........................164 TRSS ..............................164 SAC ..............................165 TRCM/TAC ............................166 LIMITED WARRANTY ..............168 2G Tarsys®Powered Seating System Part No 1114842...

  • Page 9: Special Notes

    It is Invacare’s position that users of wheelchairs should be transferred into appropriate seating in vehicles for transportation and use be made of the restraints made available by the auto industry.
  • Page 10 Wheelchairs that are used by incontinent users and/or are frequently exposed to water may require replacement of electrical components more frequently. Refer to wheelchair base service manual for additional safety and operation information. 2G Tarsys®Powered Seating System Part No 1114842...

  • Page 11: Label Locations

    LABEL LOCATIONS LABEL LOCATIONS NOTE: These labels are present on both sides of the seating system. Part No 1114842 2G Tarsys®Powered Seating System...

  • Page 12: Typical Product Parameters

    TYPICAL PRODUCT PARAMETERS TYPICAL PRODUCT PARAMETERS 2G TARSYS SEATING SYSTEM SEAT WIDTH RANGE: 16 - 22 inches in 1-inch increments SEAT DEPTH RANGE: 16 - 22 inches in 1-inch increments BACK HEIGHT RANGE TILT/RECLINE: 20 - 26 inches in 1-inch increments...
  • Page 13 TYPICAL PRODUCT PARAMETERS 2G TARSYS SEATING SYSTEM WEIGHT LIMITATION: ALL SEATING SYSTEMS WITHOUT HEAVY DUTY OPTION: 250 lbs TILT ONLY, RECLINE ONLY OR TILT/RECLINE SYSTEMS WITH HEAVY DUTY OPTION: 350 lbs ALL SEATING SYSTEMS WITH VENT TRAY: Subtract 50 lbs from the seating system weight limitations...

  • Page 14: Section 1-General Guidelines

    Operation Information Invacare products are specifically designed and manufactured for use in conjunction with Invacare accessories. Accessories designed by other manufacturers have not been tested by Invacare and are not recommended for use with Invacare products.
  • Page 15 DO NOT USE any other actuator controls. Such devices may result in excess heating and cause damage to the actuator and associated cables and could cause a fire, death, physical injury or property damage. If such devices are used, Invacare shall not be liable and the limited warranty is void.

  • Page 16: Grounding Instructions

    Code. If you must use an extension cord, use ONLY a three-wire extension cord having the same or higher electrical rating as the device being connected. In addition, Invacare has placed RED/ORANGE warning tags on some equipment. DO NOT remove these tags.

  • Page 17: Section 2-Safety/Handling Of Wheelchairs

    Make sure the hands and body of both the occupant and attendants/bystanders are clear of all pinch points before returning the tilted seat to the full upright position. Fully Tilted Seat Pinch Point Pinch Points FIGURE 2.1 Pinch Points Part No 1114842 2G Tarsys®Powered Seating System...

  • Page 18: Section 3-Emi Information

    AM/FM radios, TV sets, CD players, cassette players, and small appliances, such as electric shavers and hair dryers, so far as we know, are not likely to cause EMI problems to your powered wheelchair. 2G Tarsys®Powered Seating System Part No 1114842...
  • Page 19 2) This device has been tested to a radiated immunity level of 20 volts per meter. 3) The immunity level of the product is unknown. Modification of any kind to the electronics of this wheelchair as manufactured by Invacare may adversely affect the EMI immunity levels. Part No 1114842 2G Tarsys®Powered Seating System...

  • Page 20: Section 4-Safety Inspection/Troubleshooting

    Inspect seat positioning strap for any signs of wear. Ensure buckle latches. Verify hardware that attaches strap to frame is secure and undamaged. Replace if necessary. Check that all labels are present and legible. Replace if necessary. 2G Tarsys®Powered Seating System Part No 1114842...

  • Page 21: Post-Service Inspection Checklist

    Tilt Systems - Ensure there is no interference with the base frame when the system is fully tilted. With the wheelchair unoccupied, test all system functions to verify proper operation. Verify charger function. Install all shrouds. Make sure linear guides DO NOT bind. Part No 1114842 2G Tarsys®Powered Seating System...

  • Page 22: Troubleshooting

    Potentiometer on page 150, or Removing/Installing the “drift”. However it Recline Potentiometer on page 155. should not be more than 5°. Damaged tilt actuator. Replace tilt actuator. Refer to Removing/Installing the Tilt Actuator on page 131. 2G Tarsys®Powered Seating System Part No 1114842...
  • Page 23 Recalibrate potentiometers. Current Rollback. Leave power on, and DO NOT activate seating functions for at least 3 minutes. Call Invacare Technical Services. Motor runs then loses Heavy load sensed by Leave power on, and DO NOT activate seating functions power, then runs again.

  • Page 24: Section 5-Interface Hardware

    3. Remove the two hex screws and locknuts securing the insides of the seat brackets to the lower interface brackets. 4. If necessary, remove the four hex screws and locknuts securing the front pivot assembly to the seat brackets and lower interface brackets. 2G Tarsys®Powered Seating System Part No 1114842...
  • Page 25 Torque to 75 in-lbs ± 20%. 9. Perform the post-service inspection checklist. Refer to Post-Service Inspection Checklist on page 21. Part No 1114842 2G Tarsys®Powered Seating System...
  • Page 26 • Hex screws or socket screws (securing the rear pivot): 75 in-lbs ± 20%. • Hex screws (securing the front pivot assembly and front of seat bracket) and shoulder screw (securing the tilt actuator): 13 ft-lbs ± 20%. 2G Tarsys®Powered Seating System Part No 1114842...
  • Page 27 • Hex screws or socket screws (securing the rear pivot): 75 in-lbs ± 20%. • Hex screws (securing the front pivot assembly and front of seat bracket) and shoulder screw (securing the tilt actuator): 13 ft-lbs ± 20%. Part No 1114842 2G Tarsys®Powered Seating System...
  • Page 28 • Hex screws or socket screws (securing the rear pivot): 75 in-lbs ± 20%. • Hex screws (securing the front pivot assembly and front of seat bracket) and shoulder screw (securing the tilt actuator): 13 ft-lbs ± 20%. 2G Tarsys®Powered Seating System Part No 1114842...
  • Page 29 • Hex screws or socket screws (securing the rear pivot): 75 in-lbs ± 20%. • Hex screws (securing the front pivot assembly and front of seat bracket) and shoulder screw (securing the tilt actuator): 13 ft-lbs ± 20%. Part No 1114842 2G Tarsys®Powered Seating System...
  • Page 30 • Hex screws or socket screws (securing the rear pivot): 75 in-lbs ± 20%. • Hex screws (securing the front pivot assembly and front of seat bracket) and shoulder screw (securing the tilt actuator): 13 ft-lbs ± 20%. 2G Tarsys®Powered Seating System Part No 1114842...
  • Page 31 • Hex screws or socket screws (securing the rear pivot): 75 in-lbs ± 20%. • Hex screws (securing the front pivot assembly and front of seat bracket) and shoulder screw (securing the tilt actuator): 13 ft-lbs ± 20%. Part No 1114842 2G Tarsys®Powered Seating System...
  • Page 32 • Hex screws or socket screws (securing the rear pivot): 75 in-lbs ± 20%. • Hex screws (securing the front pivot assembly and front of seat bracket) and shoulder screw (securing the tilt actuator): 13 ft-lbs ± 20%. 2G Tarsys®Powered Seating System Part No 1114842...

  • Page 33: Repositioning The Seat For 2Gt And 2Gtr Systems

    NOTE: To secure the linear guides, it is necessary to slide the rear pivot assembly back and forth. Use the access holes to install the socket screws through mounting holes in the lower portion of the linear guides (FIGURE 5.1). Part No 1114842 2G Tarsys®Powered Seating System...
  • Page 34 Checklist on page 21. Rear Pivot Assembly Socket Screw Lower Portion of Linear Guide Access Hole Mounting Hole FIGURE 5.1 Repositioning the Seat for 2GT and 2GTR Systems - Securing the Linear Guides 2G Tarsys®Powered Seating System Part No 1114842...
  • Page 35 • Hex screws or socket screws (securing the rear pivot): 75 in-lbs ± 20%. • Hex screws (securing the front pivot assembly and front of seat bracket) and shoulder screw (securing the tilt actuator): 13 ft-lbs ± 20%. Part No 1114842 2G Tarsys®Powered Seating System...
  • Page 36 • Hex screws or socket screws (securing the rear pivot): 75 in-lbs ± 20%. • Hex screws (securing the front pivot assembly and front of seat bracket) and shoulder screw (securing the tilt actuator): 13 ft-lbs ± 20%. 2G Tarsys®Powered Seating System Part No 1114842...
  • Page 37 • Hex screws or socket screws (securing the rear pivot): 75 in-lbs ± 20%. • Hex screws (securing the front pivot assembly and front of seat bracket) and shoulder screw (securing the tilt actuator): 13 ft-lbs ± 20%. Part No 1114842 2G Tarsys®Powered Seating System...
  • Page 38 • Hex screws or socket screws (securing the rear pivot): 75 in-lbs ± 20%. • Hex screws (securing the front pivot assembly and front of seat bracket) and shoulder screw (securing the tilt actuator): 13 ft-lbs ± 20%. 2G Tarsys®Powered Seating System Part No 1114842...
  • Page 39 • Hex screws or socket screws (securing the rear pivot): 75 in-lbs ± 20%. • Hex screws (securing the front pivot assembly and front of seat bracket) and shoulder screw (securing the tilt actuator): 13 ft-lbs ± 20%. Part No 1114842 2G Tarsys®Powered Seating System...
  • Page 40 • Hex screws or socket screws (securing the rear pivot): 75 in-lbs ± 20%. • Hex screws (securing the front pivot assembly and front of seat bracket) and shoulder screw (securing the tilt actuator): 13 ft-lbs ± 20%. 2G Tarsys®Powered Seating System Part No 1114842...

  • Page 41: Removing/Installing The Rear Pivot Assembly

    Removing/Installing the Rear Pivot Assembly Tilt Only and Tilt/Recline Systems NOTE: For this procedure, refer to FIGURE 5.2 on page 43. Removing 1. Remove the seat assembly. Refer to Removing/Installing the Seat on page 75. Part No 1114842 2G Tarsys®Powered Seating System...
  • Page 42 4. Slide the rear pivot assembly forward and back to see if it slides freely on the linear guides. 5. Perform one of the following: • Rear Pivot Assembly Slides Freely - Proceed to STEP 6. 2G Tarsys®Powered Seating System Part No 1114842...
  • Page 43 There is no need to remove the hardware securing the front of the tilt actuator for this procedure. FIGURE 5.2 Removing/Installing the Rear Pivot Assembly - Tilt Only and Tilt/Recline Systems Part No 1114842 2G Tarsys®Powered Seating System...

  • Page 44: Recline Only Systems

    Rear Pivot Assembly Spacer Bar Seat Bracket Washer NOTE: Only one seat adjustment position shown. Locknuts All seat adjustment positions remove/install in the same Lower Interface Bracket way. FIGURE 5.3 Removing/Installing the Rear Pivot Assembly 2G Tarsys®Powered Seating System Part No 1114842...

  • Page 45: Removing/Installing The Front Pivot Assembly

    3. Tilt Only and Tilt/Recline Systems - Secure the front of the tilt actuator to the front pivot assembly using the shoulder bolt and the locknut. Torque to 23 ft-lbs ± 20%. 4. Install the seat assembly. Refer to Removing/Installing the Seat on page 75. Part No 1114842 2G Tarsys®Powered Seating System...

  • Page 46: Removing/Installing The Linear Guides

    5. Remove the two socket screws, washers and locknuts securing the rear of the lower portion of the linear guides to the seat bracket. 6. Slide the rear pivot assembly backward. 2G Tarsys®Powered Seating System Part No 1114842...
  • Page 47 7. Secure the rear of the tilt actuator to the rear pivot assembly using the shoulder bolt, two bushings and the locknut. Torque to 23 ft-lbs ± 20%. 8. Install the seat assembly. Refer to Removing/Installing the Seat on page 75. Part No 1114842 2G Tarsys®Powered Seating System...

  • Page 48: Removing/Installing The Seat Brackets

    1. Remove the seat assembly from the rear pivot assembly. Refer to Removing/Installing the Seat on page 75. 2. Note the mounting location of the four hex screws and locknuts securing the front pivot assembly to the seat brackets. 2G Tarsys®Powered Seating System Part No 1114842...
  • Page 49 Otherwise, damage to the seating system will occur during operation. 3. Adjust the linear guides until they are parallel. 4. Slide the rear pivot assembly forward and back to see if it slides freely on the linear guides. Part No 1114842 2G Tarsys®Powered Seating System...
  • Page 50 Rear Pivot Assembly Locknuts Socket Screw Lower Portion of Linear Guide Seat Bracket Shim Lower Interface Bracket Washer Locknut Hex Screws FIGURE 5.6 Removing/Installing the Seat Brackets - Tilt Only and Tilt/Recline Systems 2G Tarsys®Powered Seating System Part No 1114842...

  • Page 51: Recline Only Systems

    STEP 5 of removing above. Torque to 75 in-lbs ± 20%. 6. Install the seat assembly. Refer to Removing/Installing the Seat on page 75. Part No 1114842 2G Tarsys®Powered Seating System...

  • Page 52: Removing/Installing The Lower Interface Brackets

    Torque to 13 ft-lbs ± 20%. 2. Install both seat brackets. Refer to Removing/Installing the Seat Brackets on page 48. 3. Install the seat assembly onto the rear pivot assembly. Refer to Removing/Installing the Seat on page 75. 2G Tarsys®Powered Seating System Part No 1114842...
  • Page 53 SECTION 5—INTERFACE HARDWARE Lower Interface Washer Brackets Washer Locknuts Locknuts Washers Washers Battery Box Button Screws FIGURE 5.8 Removing/Installing the Lower Interface Brackets Part No 1114842 2G Tarsys®Powered Seating System...

  • Page 54: Section 6-Seat Adjustments

    2. Remove the five hex bolts, locknuts, coved washer and spacers that secure the seat pan to the seat frame. Installing 1. Position the new/existing seat pan on the seat frame, aligning the mounting holes of the seat pan and the mounting holes of the seat frame. 2G Tarsys®Powered Seating System Part No 1114842...

  • Page 55: Adjusting Seat Width

    6. Remove the existing back pan. Refer to Removing/Installing Back Pan on page 85. 7. Remove the side shrouds. Refer to Removing/Installing Side Shrouds on page 100. 8. Remove the existing seat pan. Refer to Removing/Installing Seat Pan on page 54. Part No 1114842 2G Tarsys®Powered Seating System...

  • Page 56: Tilt-Only Seating Systems

    Seat Width Mounting Hole Positions NOTE: One side frame shown for clarity. Opposite side frame has the same mounting hole Coved Washer pattern. Bolts FIGURE 6.3 Adjusting Seat Width - Tilt-Only Seating Systems 2G Tarsys®Powered Seating System Part No 1114842...

  • Page 57: Recline Only Or Tilt/Recline Seating Systems

    CAUTION If the crossbeam has to be changed for the desired seat width, the wheelchair MUST be returned to Invacare. Otherwise, damage to the recline function may occur. NOTE: For this procedure, refer to FIGURE 6.4 on page 58. 1. Measure across the side frames to determine the current seat width.

  • Page 58: Adjusting Seat Depth

    Seat depths range from 16 to 22 inches in one inch increments. NOTE: Seat depths are a combination of side frames, center seat frames, seat pans, leg support tubes (if equipped) and telescoping front rigging supports. 2G Tarsys®Powered Seating System Part No 1114842...
  • Page 59 SECTION 6—SEAT ADJUSTMENTS CAUTION Seating systems with recline MUST be returned to Invacare if the center frame has to be changed for a particular seat depth. Otherwise, damage to the recline function could occur. Side Frames Side frames are available in four depths: 16, 18, 20 or 22 inches.

  • Page 60: Adjusting Seat Depth

    Seat depth adjustments that require a new center seat frame on Tilt/Recline or Recline-Only seating systems are NOT permissible, and the system MUST be returned to Invacare for service. Otherwise, damage to the recline function may occur.

  • Page 61: Adjusting Seat Angle

    Preparing to Adjust the Seat Angle NOTE: For this procedure, refer to FIGURE 6.6 on page 62. 1. Visually inspect the seating system for either 10°/15° recline links or 0°/5° recline links. 2. Perform one of the following: Part No 1114842 2G Tarsys®Powered Seating System...
  • Page 62 3. Remove the seat pan. Refer to Removing/Installing Seat Pan on page 54. 4. Remove the retaining ring and washer that secure the 10°/15° recline link to the pin of the seat frame. Refer to Detail “A”. Discard the retaining ring. 2G Tarsys®Powered Seating System Part No 1114842...
  • Page 63 NOTE: Drawing shows attachment NOTE: Drawing shows attachment for 15° for 15° seat angle as an example. seat angle as an example. FIGURE 6.7 Changing Seat Angle from 10° to 15° (or Vice Versa) Part No 1114842 2G Tarsys®Powered Seating System...
  • Page 64 5° Recline NOTE: Drawing shows attachment for for 0° Recline 5° recline as an example. *NOTE: Use new retaining ring. FIGURE 6.8 Changing Seat Angle from 0° to 5° (or Vice Versa) 2G Tarsys®Powered Seating System Part No 1114842...
  • Page 65 FIGURE 6.9. Securely tighten. 9. Repeat for opposite side. 10. Install the seat pan. Refer to Removing/Installing Seat Pan on page 54. 11. Install the batteries. Part No 1114842 2G Tarsys®Powered Seating System...

  • Page 66: Removing/Installing Side Frames

    4. Remove the arms. Refer to Arms on page 114. 5. Remove the back. Refer to Removing/Installing Back Assembly on page 91. 6. Remove the telescoping front rigging supports. Refer to Adjusting/Replacing Telescoping Front Rigging Supports on page 73. 2G Tarsys®Powered Seating System Part No 1114842...

  • Page 67: Preparing Side Frames For Replacement

    3. Remove the two hex screws and washers that secure the slide rod to the side frame. 4. Remove the slide rod, slide block and connecting bracket from the existing side frame. 5. Secure the slide block to the connecting bracket with the hex screw, washer, and locknut. Part No 1114842 2G Tarsys®Powered Seating System...
  • Page 68 Torque to 13 ft-lbs ± 20% (156 in-lbs ± 20%). 5. Secure the slide block to the slide block connecting bracket with the hex screw and washer. Torque to 156 in-lbs ± 20%. 2G Tarsys®Powered Seating System Part No 1114842...

  • Page 69: Installing Side Frames

    Torque to 75 in-lbs ± 20%. NOTE: For Tilt/Recline and Recline-Only seating systems, secure the connecting bracket to the crossbeam with the socket screw, spacer and washer. Torque to 156 in-lbs ± 20%. Part No 1114842 2G Tarsys®Powered Seating System...

  • Page 70: Removing/Installing Center Seat Frame

    For Tilt/Recline and Recline-Only seating systems, the center seat frame assembly is a non-serviceable part. Whenever a new center seat frame is required (e.g., to achieve a desired seat width or depth), return the complete wheelchair to Invacare for service.

  • Page 71: Installing Center Seat Frame

    9. Install the side shroud. Refer to Removing/Installing Side Shrouds on page 100. 10. Install the seat pan. Refer to Removing/Installing Seat Pan on page 54. 11. Install the telescoping front rigging supports. Refer to Adjusting/Replacing Telescoping Front Rigging Supports on page 73. Part No 1114842 2G Tarsys®Powered Seating System...
  • Page 72 See Detail “C” DETAIL “C” - CENTER FRAME AND REAR DETAIL “D” - TRANSFER HARDWARE PIVOT ASSEMBLY MOUNTING LOCATION Shoulder Bolt Tilt Washers Washer Retaining Retaining Washers Ring Ring FIGURE 6.14 Removing/Installing Center Seat Frame 2G Tarsys®Powered Seating System Part No 1114842...

  • Page 73: Adjusting/Replacing Telescoping Front Rigging Supports

    2. Remove the socket bolt and locknut that secure the adjustment slide to the leg support tube. 3. Position the adjustment slide to the mounting hole determined in STEP 1. Part No 1114842 2G Tarsys®Powered Seating System...

  • Page 74: Replacing Leg Support Tubes

    18 inches Short 19 inches Short 17 inches 20 inches Long DO NOT use these holes 21 inches Long 22 inches 21 inches 20 inches 22 inches Long FIGURE 6.16 Adjusting/Replacing Leg Support Tubes 2G Tarsys®Powered Seating System Part No 1114842...

  • Page 75: Removing/Installing The Seat

    SECTION 6—SEAT ADJUSTMENTS Removing/Installing the Seat NOTE: If retrofitting a seating system, DO NOT use this procedure. Refer to the 2G Tarsys Seating System Installation on TDX instruction sheet, part number 1134889. Removing Disconnecting Cables NOTE: For this procedure, refer to FIGURE 6.17 on page 76.
  • Page 76 To Right Power Connector To Left Power Connector) Elevating (WHITE) Elevating Legrest Legrest (2-pin (2-pin Anderson Mercury Switch Connector Anderson Connector) (Molex Connector) Connector) Rear Pivot Assembly FIGURE 6.17 Disconnecting Cables - Connecting Cables 2G Tarsys®Powered Seating System Part No 1114842...

  • Page 77: Installing

    1. Carefully set the seating system onto the base. 2. Install the two socket head shoulder screws and locknuts to secure the rear of the center seat frame to the rear pivot assembly (Detail “D”). Torque to 23 ft-lbs ± 20%. Part No 1114842 2G Tarsys®Powered Seating System...
  • Page 78 Assembly Mounting Mounting Mounting hole for hole for 5° Mounting hole hole for 15° 0° recline recline for 10° recline recline Rear Pivot Assembly FIGURE 6.18 Removing the Seat - Connecting the Seat 2G Tarsys®Powered Seating System Part No 1114842...
  • Page 79 3. Connect the TRCM, SAC or TAC to the MK controller (5-pin connector). 4. Connect the joystick. 5. Perform the post-service inspection of the system. Refer to Post-Service Inspection Checklist on page 21. Part No 1114842 2G Tarsys®Powered Seating System...

  • Page 80: Section 7-Back Adjustments

    Refer to FIGURE 7.1 for hardware orientation. 7. Repeat STEP 6 for the opposite side of the seat frame. 8. Line up the mounting holes in the curved link, slide block and connector bracket. 2G Tarsys®Powered Seating System Part No 1114842...
  • Page 81 DETAIL “A” - CONNECTOR BRACKET MOUNTING HOLES 90° 95° 100° 105° 110° 115° Connector Bracket (not shown) Locknuts Curved Link Slide Block Washer Shoulder Bolt Washer Hex Bolt FIGURE 7.1 Adjusting Back Angle Part No 1114842 2G Tarsys®Powered Seating System...

  • Page 82: Removing/Installing The Curved Links

    Torque to 156 in-lbs ± 20%. WARNING Side shroud(s) MUST be reinstalled before operation of the seating system. Other- wise injury may result. 3. Install the side shroud. Refer to Removing/Installing Side Shrouds on page 100. 2G Tarsys®Powered Seating System Part No 1114842...

  • Page 83: Recline Only And Tilt/Recline Systems

    3. Remove the long socket screw, nylon washer and locknut securing the rear of the slide block to the connecting bracket. 4. Remove the curved link from the wheelchair. Part No 1114842 2G Tarsys®Powered Seating System...
  • Page 84 Cane Flat Washer Locknuts Nylon Washer Notch Short Socket Screw Connecting Bracket Curved Link Slide Block Nylon Washer Long Socket Screw FIGURE 7.3 Removing/Installing the Curved Links - Recline Only and Tilt/Recline Systems 2G Tarsys®Powered Seating System Part No 1114842...

  • Page 85: Removing/Installing Back Pan

    5. Perform one of the following: • Tilt-Only Systems - Proceed to STEP 6. • Tilt/Recline and Recline-Only Systems: i. Reposition the mounting holes in the VSR actuator bracket with the mounting holes in the new back pan. Part No 1114842 2G Tarsys®Powered Seating System...
  • Page 86 Mounting Screws Rear View NOTE: For back Back Pan widths of 17, 19, or 21 inches, spacers are required between back slide and back pan. Spacer Back Slide FIGURE 7.4 Removing/Installing Back Pan 2G Tarsys®Powered Seating System Part No 1114842...

  • Page 87: Removing/Installing Spreader Bar

    MUST be equal. NOTE B: Measurements from the top of the back cane to the top of the spreader bar MUST be equal. FIGURE 7.5 Removing/Installing Spreader Bar - Slotted Back Canes Part No 1114842 2G Tarsys®Powered Seating System...

  • Page 88: Round Back Canes

    FIGURE 7.6 are the same. 3. Torque the six mounting screws that secure the half clamps and spreader bar FIGURE 7.6 Removing/Installing Spreader Bar - Round Back Canes to the back canes to 75 in-lbs ± 20%. 2G Tarsys®Powered Seating System Part No 1114842...

  • Page 89: Removing/Installing Back Canes

    8. Install the spreader bar. Refer to Removing/Installing Spreader Bar on page 87. 9. Install the arms. Refer to Arms on page 114. Back Cane Washer Locknuts Washer Short Shoulder Bolt Seat Frame Long Shoulder Bolt Curved Link FIGURE 7.7 Removing/Installing Back Canes Part No 1114842 2G Tarsys®Powered Seating System...

  • Page 90: Removing/Installing Back Slide Assembly

    5. Perform one or more of the following: • Replace the back canes. Refer to Removing/Installing Back Canes on page 89. • Install the back pan. Refer to Removing/Installing Back Pan on page 85. 2G Tarsys®Powered Seating System Part No 1114842...

  • Page 91: Removing/Installing Back Assembly

    3. Loosely install the two large shoulder bolts, washers and locknuts that secure the two curved links to the two slide blocks. 4. Torque the four locknuts to 13 ft-lbs ± 20% (156 in-lbs ± 20%). Part No 1114842 2G Tarsys®Powered Seating System...

  • Page 92: Adjusting The Back Height

    11¼ 13¼ 15¼ 17¼ NOTE: All measurements in inches. *NOTE: Tilt Only systems with round back canes can only be adjusted up to 25 inches. **NOTE: For systems with slotted back canes only. 2G Tarsys®Powered Seating System Part No 1114842...

  • Page 93: Removing/Installing Arm Pivots

    6. If necessary, install the lateral supports onto the seating system. Refer to Installing/Removing/Adjusting Lateral Supports on page 95. Hex Bolts T-Nuts Channel Arm Pivot Back Slide Back Cane FIGURE 7.10 Removing/Installing Arm Pivots Part No 1114842 2G Tarsys®Powered Seating System...

  • Page 94: Removing/Installing/Adjusting Chest Positioning Strap

    2. Slide the chest positioning strap to the Chest desired position. Positioning Strap 3. Tighten the two socket screws that Back secure the chest positioning strap to the Socket Screw Slide back slide securely. FIGURE 7.11 Removing/Installing/Adjusting Chest Positioning Strap 2G Tarsys®Powered Seating System Part No 1114842...

  • Page 95: Installing/Removing/Adjusting Lateral Supports

    3. Slide new/existing lateral support to the desired position. 4. Tighten the two socket screws that secure the new/existing lateral support to the back slide securely. Back Slide Lateral Support Socket Screw FIGURE 7.12 Removing Lateral Supports - Installing Lateral Supports Part No 1114842 2G Tarsys®Powered Seating System...
  • Page 96 6. Line up the lateral support pad to the position noted in STEP 1. 7. Reinstall the two flat screws and tighten securely. Back Slide Lateral Socket Support Hinge Screws Mounting Brackets (Available) Flat Screws FIGURE 7.13 Adjusting Lateral Supports 2G Tarsys®Powered Seating System Part No 1114842...

  • Page 97: Round Canes

    2. Adjust the height of the lateral support. Back Cane 3. Tighten the three socket screws to secure the half clamps to the back cane. FIGURE 7.15 Adjusting Lateral Height Part No 1114842 2G Tarsys®Powered Seating System...
  • Page 98 5. Use the two socket screws to secure the new bracket to the hinge. 6. Secure the lateral support pad to the new bracket with the two flat screws. Hinge Bracket Socket Screws Lateral Support Pad Flat Screws FIGURE 7.17 Adjusting Lateral Width 2G Tarsys®Powered Seating System Part No 1114842...

  • Page 99: Section 8-Shrouds

    Refer to Removing/Installing Side Shrouds on page 100. Controller Shroud Lower Seat Shroud Refer to Refer to Removing/Installing Rear Removing/Installing Lower Shroud on page 102. Seat Shroud on page 102. FIGURE 8.1 Shroud Overview Part No 1114842 2G Tarsys®Powered Seating System...

  • Page 100: Removing/Installing Vsr Shroud

    2. To install side shrouds, align side shroud with fastening strips and secure with mounting screw and washer. Securely tighten. NOTE: Only the right side shroud is shown for clarity. The left side shroud removes/installs in the same manner. 2G Tarsys®Powered Seating System Part No 1114842...

  • Page 101: Removing/Installing Rear Seat Shroud

    Position rear seat shroud in place and firmly press down. Install the phillips head screw. Fastening Strips (Located on underside of Shroud) Fastening Strips NOTE: There are three fastening strips located on rear pivot assembly. FIGURE 8.4 Removing/Installing Rear Seat Shroud Part No 1114842 2G Tarsys®Powered Seating System...

  • Page 102: Removing/Installing Rear Shroud

    NOTE: The mounting screw, coved washer, washer and locknut also secure the seat pan to the seat frame. 3. Remove the two mounting screws that secure the front portion of the lower seat shroud to the seat frame (Detail “C”). 4. To install lower seat shroud, reverse STEPS 1-3. 2G Tarsys®Powered Seating System Part No 1114842...
  • Page 103 Washer Lower Seat Shroud Washer Locknut Lower Seat Mounting NOTE: Seat pan not shown for clarity. Shroud Screw Hardware shown also secures seat pan to seat frame. FIGURE 8.6 Removing/Installing Lower Seat Shroud Part No 1114842 2G Tarsys®Powered Seating System...

  • Page 104: Section 9-Power Elevating Legrests

    Pinch points exist between seat and base frames. Use caution, otherwise injury may occur. NOTE: For complete operating information on Invacare elevating legrests, refer to the TDX Owner's Manual, listed in Reference Documents on page 2. Installing/Removing the Power Elevating Legrests...

  • Page 105: Installing The Power Elevating Legrests

    3. Lift up powered legrest and remove from wheelchair. 4. Repeat STEPS 1-3 for opposite power legrest. DETAIL “A” DETAIL “B” Mounting Mounting Pin Hole Calf Pad Footplate Legrest Release Power Legrest Handle Connectors FIGURE 9.1 Installing/Removing the Power Elevating Legrests Part No 1114842 2G Tarsys®Powered Seating System...

  • Page 106: Adjusting The Power Elevating Legrests

    Inside View Exterior Rail Channel T-Nuts (Not Shown) Channel T-Nuts (Not Shown) Button Screws for Heel Loop Exterior Footplate Button Screws Footplate Assembly Interior Button Assembly Screws FIGURE 9.2 Adjusting the Footplate Height 2G Tarsys®Powered Seating System Part No 1114842...
  • Page 107 4. Repeat STEPS 1-3 for opposite side if necessary. 5. For additional angle adjustment, perform the following: A. Loosen the set screw. B. Rotate footplate up or down to desired position. C. Retighten set screw. Part No 1114842 2G Tarsys®Powered Seating System...

  • Page 108: Adjusting The Calf Pad

    5. Repeat STEPS 1-4 for opposite side, if necessary. Back View Calf Pad Bracket Mounting of Legrest Calf Pad Holes Calf Pad Bracket Calf Pad Mounting Holes Button Button Head Head Screws Screws FIGURE 9.5 Adjusting the Calf Pad Width 2G Tarsys®Powered Seating System Part No 1114842...
  • Page 109 Outer Rail to the T-nuts. Hex Head 4. Repeat STEPS 1-3 for opposite side, if Screws necessary. (T-Nuts are NOT SHOWN) FIGURE 9.7 Adjusting the Calf Pad Height Part No 1114842 2G Tarsys®Powered Seating System...

  • Page 110: Adjusting The Length Of Power Legrest

    B. Position the half clamp with harness wire bracket onto the seat frame. C. Install the locknut onto the socket screw to secure the half clamp to the seat frame. D. Repeat STEPS A-C for the opposite side of the wheelchair. 2G Tarsys®Powered Seating System Part No 1114842...
  • Page 111 Elevating Legrest Lower Seat Shroud To TRCM Hook and Loop Fastening Strips To TRCM To Left Power Elevating Hook and Loop Legrest Tie-Wraps Fastening Strip FIGURE 9.9 Removing/Installing the Power Elevating Legrest Harness Part No 1114842 2G Tarsys®Powered Seating System...

  • Page 112: Removing/Installing The Power Elevating Legrest Actuator

    4. Install the power elevating legrest. Refer to Installing/Removing the Power Elevating Legrests on page 104. 5. Perform the post-service inspection. Refer to Post-Service Inspection Checklist on page 21. 2G Tarsys®Powered Seating System Part No 1114842...
  • Page 113 Flat Washer same way. Inside of Legrest Locknut Washer Power Elevating Legrest Actuator Actuator Rod Outside of Legrest Short Shoulder Screw Locknut Actuator Bracket FIGURE 9.10 Removing/Installing the Power Elevating Legrest Actuator Part No 1114842 2G Tarsys®Powered Seating System...

  • Page 114: Section 10-Arms

    4. Make sure the armrest release lever is in the unlocked (horizontal) position. 5. Install the armrest into the front socket. 6. Push the armrest release lever down into the locked (vertical) position. 2G Tarsys®Powered Seating System Part No 1114842...

  • Page 115: Adjusting Armrest Height

    5. Reinstall the socket bolt through the mounting hole determined in STEP 4. 6. Reinstall the locknut and tighten securely. 7. While holding the armrest level, tighten the two socket screws and T-nuts securely. 8. Repeat STEPS 2-7 for the opposite side if necessary. Part No 1114842 2G Tarsys®Powered Seating System...

  • Page 116: Installing/Removing Flip-Back Armrests

    5. Connect joystick cable to joystick connector. Refer to FIGURE 10.3, Detail “A.” 6. Attach the cable to the back cane with a tie-wrap (not shown). 7. Repeat STEPS 1-6 for the opposite flip-back armrest. 2G Tarsys®Powered Seating System Part No 1114842...

  • Page 117: Removing

    4. Remove the quick-release pin that secures the flip-back armrest to the rear arm socket. 5. Pull on the flip-back armrest and remove the armrest from the arm sockets. 6. Repeat STEPS 3-5 for the opposite flip-back armrest, if necessary. Part No 1114842 2G Tarsys®Powered Seating System...

  • Page 118: Adjusting Flip-Back Armrest Height

    NOTE: The arm is not locked until an audible “click” is heard. Locked Height (DOWN - VERTICAL) Adjustment Lever Flip Back Armrest Unlocked (UP - HORIZONTAL) Flip Back Armrest Release Lever Front Arm Socket FIGURE 10.4 Adjusting Flip-Back Armrest Height 2G Tarsys®Powered Seating System Part No 1114842...

  • Page 119: Section 11-Center Mount Footrests

    Pinch points exist between seat and base frames. Use caution, otherwise injury may occur. NOTE: For complete operating information on Invacare footrests, refer to the TDX Owner's Manual, part number 1114809, supplied for the base of the wheelchair. Removing/Installing the Center Mount Footrest NOTE: For this procedure, refer to FIGURE 11.1.

  • Page 120: Adjusting The Height Of The Center Mount Footrest

    Seat Frame Retaining Ring Extension Tube Housing Release Lever Angle Adjustment Pin Extension Tube Mounting Screws Extension Tube Mounting Holes Height Adjustment Holes FIGURE 11.2 Adjusting the Height of the Center Mount Footrest 2G Tarsys®Powered Seating System Part No 1114842...

  • Page 121: Adjusting The Angle Of The Center Mount Footrest

    Side Mounting footplate in the desired position. Screw 4. Repeat STEPS 1 and 2 for the other FIGURE 11.4 Adjusting the Center Mount footplate. Footplate Angle - After 2/14/07 Part No 1114842 2G Tarsys®Powered Seating System...

  • Page 122: Before 2/15/07

    4. Tie-wrap cable as shown in Detail “A”. Leave enough slack in the cable to loop around the mounting screw that secures the side shroud in place. 5. Secure the side shroud in place with existing mounting screw. Securely tighten. 2G Tarsys®Powered Seating System Part No 1114842...
  • Page 123 Square Nut Mounting Bracket Release Handle Mounting Screw Ratchet Housing DETAIL “A” Ratchet Housing NOTE: Side shroud omitted for clarity. Tie-Wrap the Cable Here Seat Frame FIGURE 11.7 Removing/Installing the Release Lever Assembly Part No 1114842 2G Tarsys®Powered Seating System...

  • Page 124: Section 12-Headrest

    3. If necessary, adjust the height, depth or direction of the headrest. Refer to Adjusting Headrest Height on page 125. Depth Offset Fixture Adjustment Slide Tube Socket Screws Height Adjustment Set Screw Thumb Screw Headrest Stop Headrest Mounting Bracket FIGURE 12.1 Removing/Installing/Adjusting Headrest 2G Tarsys®Powered Seating System Part No 1114842...

  • Page 125: Adjusting Headrest Height

    3. If necessary, adjust the height, depth or Screw direction of the headrest. Refer to Adjusting Headrest Height above. NOTE: One style of headrest shown for clarity. Both styles of headrest attach the same way. FIGURE 12.2 Replacing Headrest Part No 1114842 2G Tarsys®Powered Seating System...

  • Page 126: Section 13-Tilt And Recline

    *NOTE: 20° back angle can be any combination of recline, tilt and/or surface angle. NOTE: Refer to Typical Product Parameters on page 12 for tilt and/or recline angle ranges. 2G Tarsys®Powered Seating System Part No 1114842...

  • Page 127: Operating Powered Seating Systems

    If such devices are used, Invacare shall not be liable and the limited warranty is void. SEATING SYSTEM...

  • Page 128: Single Function Toggle Switch (Trss)

    Increase Tilt Angle Decrease Tilt Angle RECLINE ONLY Increase Recline Angle Decrease Recline Angle 3. Release single function toggle switch to neutral position. Single Function Toggle Switch FIGURE 13.2 Single Function Toggle Switch (TRSS) 2G Tarsys®Powered Seating System Part No 1114842...

  • Page 129: Optional Four-Way Toggle Switch

    TT-EX Electronics Service Manual, part number 1114808, for complete switch option operating instructions. 3. Release four-way toggle switch to neutral position. Four-Way Toggle Switch Left Rear Forward Right FIGURE 13.3 Optional Four-Way Toggle Switch Part No 1114842 2G Tarsys®Powered Seating System...

  • Page 130: Vernier Shear Reduction (2G Tarsys Systems Only)

    SECTION 13—TILT AND RECLINE Vernier Shear Reduction (2G Tarsys Systems Only) NOTE: For this procedure, refer to FIGURE 13.3 on page 129. About Vernier Shear Reduction WARNING The relationship between Vernier Shear Reduction (VSR) and the recline function of the seating system is dependant on the needs of the user and MUST be set and adjusted by a trained qualified technician.

  • Page 131: Removing/Installing The Tilt Actuator

    6. Connect the tilt actuator connector to the TRCM tilt actuator connector. 7. Reinstall the rear shroud. Refer to Removing/Installing Rear Shroud on page 102. 8. Perform the post-service inspection. Refer to Post-Service Inspection Checklist on page 21. Part No 1114842 2G Tarsys®Powered Seating System...

  • Page 132: Removing/Installing The Vsr Actuator

    Washers slide out of position. VSR Actuator Bracket 4. Remove the hex bolt, washers and FIGURE 13.5 Removing/Installing the VSR locknut that secure the existing VSR Actuator actuator to the actuator mounting bracket. 2G Tarsys®Powered Seating System Part No 1114842...

  • Page 133: Installing

    2. Install the right and left actuator brackets, with the recline actuator attached, to the crossbeam assembly with the four socket head screws and locknuts. 3. Install the front of the recline actuator to the seat frame assembly with the locknut and screw. Part No 1114842 2G Tarsys®Powered Seating System...

  • Page 134: Testing The Actuators

    • If the cables are in danger of becoming damaged, re-route the cables to ensure damage does not occur. 4. Secure the cables. Refer to Securing the Cables on page 157. 5. Perform the post-service inspection. Refer to Post-Service Inspection Checklist on page 21. 2G Tarsys®Powered Seating System Part No 1114842...

  • Page 135: Removing/Installing Recline Links

    Torque to 13 ft-lbs ± 20%. ‘ 3. Repeat for opposite side. 4. Install the seat pan. Refer to Removing/Installing Seat Pan on page 54. 5. Install the batteries. Refer to the owner’s manual shipped with the wheelchair. Part No 1114842 2G Tarsys®Powered Seating System...
  • Page 136 Bolt Bolt Mounting hole Front Pivot Mounting hole for 15° recline Assembly Front Pivot for 5° recline Mounting hole Assembly Mounting hole for 0° recline for 10° recline FIGURE 13.7 Removing/Installing Recline Links 2G Tarsys®Powered Seating System Part No 1114842...

  • Page 137: Removing/Installing Tilt Links

    5. Secure the tilt link, tilt angle block and bushing to the front pivot assembly using the locknut. Torque to 23 ft-lbs ± 20%. 6. Perform the post-service inspection. Refer to Post-Service Inspection Checklist on page 21. Part No 1114842 2G Tarsys®Powered Seating System...
  • Page 138 Tilt/Recline systems install in Nylon the same way. Washers Flat Washer Tilt Angle Block Retaining Locknuts Ring Shoulder Bolt Tilt Link Bushing Shoulder Bolt Front Pivot Assembly FIGURE 13.8 Removing/Installing Tilt Links 2G Tarsys®Powered Seating System Part No 1114842...

  • Page 139: Section 14-Electronics

    If such devices are used, Invacare shall not be liable and the limited warranty is void. SEATING SYSTEM...

  • Page 140: Installing

    10. Adjust the tilt potentiometer. Refer to Adjusting the Tilt Potentiometer on page 152. 11. Perform the post-service inspection. Refer to Post-Service Inspection Checklist on page 21. 12. Install the rear shroud. Refer to Removing/Installing Rear Shroud on page 102. 2G Tarsys®Powered Seating System Part No 1114842...

  • Page 141: Removing/Installing The Tac Or Trcm

    NOTE: TRCM stands for Tilt Recline Control Module. Removing the TAC/TRCM Controller Bracket Round Back Canes 1. Remove the two long hex screws and locknuts securing the controller bracket to the upper bracket (Detail “C”). Part No 1114842 2G Tarsys®Powered Seating System...

  • Page 142: Installing The Tac/Trcm Controller Bracket

    6. Loosely install the two hex screws and washers to secure the controller bracket to the T-nuts (Detail “B” of FIGURE 14.3 on page 145). 7. Slide the T-nuts into the slots in the back cane. 2G Tarsys®Powered Seating System Part No 1114842...
  • Page 143 MUST be equal. NOTE B: Measurements from the top of the back cane to the top of the spreader bar MUST be equal. FIGURE 14.2 Controller Bracket Part No 1114842 2G Tarsys®Powered Seating System...

  • Page 144: Removing The Tac/Trcm From The Controller Bracket

    6. Secure the controller bracket to the back cane. Refer to Securing the Controller Bracket to the Back Cane on page 142. 7. Install the rear shroud. Refer to Removing/Installing Rear Shroud on page 102 2G Tarsys®Powered Seating System Part No 1114842...
  • Page 145 Actuator Connector (2-pin Anderson) Recline Actuator Connector (2-pin Anderson) Tilt Actuator Connector (2-pin Anderson) Right Power Legrest VSR Actuator Connector Actuator Connector (2-pin Anderson) (2-pin Anderson) FIGURE 14.3 Removing/Installing the TAC or TRCM Part No 1114842 2G Tarsys®Powered Seating System...

  • Page 146: Programming The Tac

    4. Using a protractor or angle pitch calculator, measure the actual angle of the seat with respect to the floor. This measurement should range from 0° to 10°. 5. Adjust the tilt up angle setting on the programmer to the measured angle. 2G Tarsys®Powered Seating System Part No 1114842...
  • Page 147 15. Press the Save button. 16. Repeat STEPS 10 to 15 until the actuator stops when the seating system stops moving. 17. Press the Power button. 18. Disconnect the remote programmer from the TAC. Part No 1114842 2G Tarsys®Powered Seating System...

  • Page 148: Replacing The Tilt Recline Single Switch (Trss)

    8. Remove the two button head screws securing the TRSS to the mounting bracket. 9. Remove the TRSS from the mounting bracket. 10. Reverse STEPS 2–9 to install the TRSS. 11. Perform the post-service inspection. Refer to Post-Service Inspection Checklist on page 21. 2G Tarsys®Powered Seating System Part No 1114842...

  • Page 149: Removing/Installing Joystick(S)

    3. Tie-wrap the joystick cable to the joystick mounting tube and to the bottom of the armrest (not shown). 4. Connect the joystick connectors (not shown). 5. Perform the post-service inspection. Refer to Post-Service Inspection Checklist on page 21. Part No 1114842 2G Tarsys®Powered Seating System...

  • Page 150: Drive Lock-Out

    Removing 1. Remove the rear seat shroud. Refer to Removing/Installing Rear Shroud on page 102. 2. Remove the nylon washer and socket screw that secure the tilt linkage to the center seat frame. 2G Tarsys®Powered Seating System Part No 1114842...

  • Page 151: Installing

    8. Perform the post-service inspection. Refer to Post-Service Inspection Checklist on page 21. Center Seat Frame Nylon Washer Tilt Linkage Socket Screw Set Screw Tilt Washer Potentiometer Rear Pivot Assembly FIGURE 14.6 Removing/Installing the Tilt Potentiometer Part No 1114842 2G Tarsys®Powered Seating System...

  • Page 152: Adjusting The Tilt Potentiometer

    14. Reconnect actuator and single function toggle switch. 15. Tilt the seat up and down to confirm that the drive lock-out light illuminates on/off when the seat angle passes through the 20° lockout angle. 2G Tarsys®Powered Seating System Part No 1114842...

  • Page 153: Adjusting Tilt Potentiometer Used With A Trcm, Tac Or Sac

    NOTE: If drive lock-out light does NOT react as described in STEP 15, repeat procedure. If drive lock-out light still does NOT react as described in STEP 15, DO NOT use unit. Contact Invacare Technical Support at the number listed on the back cover.

  • Page 154: Adjusting Recline Potentiometer

    FALSE. 7. While monitoring the current status screen on the remote programmer, tighten the set screw on the recline potentiometer shaft. 8. Apply Glyptal to top of set screw to secure in place. 2G Tarsys®Powered Seating System Part No 1114842...

  • Page 155: Removing/Installing The Recline Potentiometer

    1. Install the recline potentiometer up through the bracket. 2. Install the washer onto the recline potentiometer and secure to the bracket using the nut. 3. Install the recline linkage onto the recline potentiometer. Part No 1114842 2G Tarsys®Powered Seating System...
  • Page 156 10. Perform the post-service inspection. Refer to Post-Service Inspection Checklist on page 21. Set Screw Washer and Bracket Recline Potentiometer Socket Recline Screw Linkage Center Seat Frame Spacer Locknut FIGURE 14.9 Removing/Installing the Recline Potentiometer 2G Tarsys®Powered Seating System Part No 1114842...

  • Page 157: Section 15-Wiring And Cables

    2. Tie-wrap the auxiliary power connector/potentiometer cable, actuator cable and MK Controller (5-pin connector) cable from the TAC. NOTE: The accessory cable (9-pin sub D) does not need to be tie-wrapped with the other cables. Part No 1114842 2G Tarsys®Powered Seating System...

  • Page 158: Tilt Actuator Cable

    1. Connect the tilt potentiometer cable to the TRCM, SAC or TRSS connector (3-pin Molex). 2. Bundle up the tilt potentiometer cable and tie-wrap it to the rear pivot assembly. Refer to FIGURE 15.3. 2G Tarsys®Powered Seating System Part No 1114842...

  • Page 159: Power Elevating Legrest, Recline Actuator And Recline Potentiometer Cables

    6. Perform one of the following: • Recline Only Systems - Perform the following steps: NOTE: Two people need to perform this procedure. i. One person should support the front of the seat assembly. Part No 1114842 2G Tarsys®Powered Seating System...
  • Page 160 7. Recline back as far as possible. 8. From behind the wheelchair, tie-wrap the power elevating legrest, recline actuator and recline potentiometer cables to the tilt actuator. Refer to FIGURE 15.5. 2G Tarsys®Powered Seating System Part No 1114842...

  • Page 161: 4-Way Switch, Trcm And/Or Tac Cables

    TRCM and/or TAC cables, to prevent stretching and possibly breaking cables. 2. Bundle up the cable for the 4-way toggle switch and tie-wrap it to the TRCM or TAC controller bracket. Refer to FIGURE 15.6. Part No 1114842 2G Tarsys®Powered Seating System...
  • Page 162 4. Connect the accessory cable to the 4-way switch cable. TAC or TRCM Controller Accessory Cable (5-pin (9-Pin Sub D Cable) Connector) Cable Auxiliary Power Actuator Connector/Potentiometer Cable Cable Tie-Wraps FIGURE 15.7 4-Way Switch, TRCM and/or TAC Cables 2G Tarsys®Powered Seating System Part No 1114842...

  • Page 163: Joystick, Sac Or Trss Cables

    The wheelchair must be carefully tilted backward and forward to the maximum positions in order to determine if any cables are snagged and stretched by the bat- tery controller shroud. Tie-wrap any loose cables and test again until there is no snagging. Part No 1114842 2G Tarsys®Powered Seating System...

  • Page 164: Wiring Schematics

    Programmer Port of Joystick (3-Pin Circular DIN Plug) Joystick MKIV™Programmer Joystick Connection Wheelchair Controller Programmer (For Programming (15-Pin D-Sub for Control of Port/Battery Charging Port Actuator and Wheelchair and Actuators) (3-Pin Circular DIN Socket) Wheelchair Control) 2G Tarsys®Powered Seating System Part No 1114842...

  • Page 165: Sac

    (3-Pin Circular DIN Plug) Joystick MKIV Programmer (For Programming Joystick Connection Wheelchair Controller Programmer Actuator and (15-Pin D-Sub for Port/Battery Charging Port Wheelchair Control) Control of Wheelchair (3-Pin Circular DIN Socket) and Actuators) Part No 1114842 2G Tarsys®Powered Seating System...

  • Page 166: Trcm/Tac

    Programmer Port Control (5-Pin of Joystick Circular DIN Plug) (3-Pin Circular DIN Plug) Joystick Joystick Connection Wheelchair Controller Programmer Port/Battery Charging Port (3-Pin (15-Pin D-Sub for Control of Circular DIN Socket) Wheelchair and Actuators) 2G Tarsys®Powered Seating System Part No 1114842...
  • Page 167 SECTION 15—WIRING AND CABLES NOTES Part No 1114842 2G Tarsys®Powered Seating System...

  • Page 168: Limited Warranty

    LIMITED WARRANTY For warranty information, please refer to the original owner's manual which came with this product, or contact Invacare for more information. www.invacare.com Invacare Corporation Canada All rights reserved. Trademarks are One Invacare Way 570 Matheson Blvd E Unit 8 identified by the symbols ™...

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