Invacare Formula PTO Plus Service Manual
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Invacare Formula PTO Plus Service Manual

Powered seating on tdx wheelchairs pronto m71 wheelchairs pronto m91 wheelchairs
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Service Manual
Formula
PTO Plus
™
Powered Seating
on
TDX
Wheelchairs
®
Pronto
M71
Wheelchairs
®
™
Pronto M91
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

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Summary of Contents for Invacare Formula PTO Plus

  • Page 1 Powered Seating Wheelchairs ® Pronto Wheelchairs ® ™ Pronto M91 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

    Adjustable Seat and Back Angle seat frame (discontinued 7/4/05 on TDX, 8/7/05 on M71 and 10/3/05 on M91). ADJUSTABLE ASBA Adjustable Width and Depth ASBA seat frame. NOTE: Updated versions of these manuals, including this one, are available on www.invacare.com. ™ Formula PTO Plus Powered Seating...

  • Page 3: Table Of Contents

    TABLE OF CONTENTS TABLE OF CONTENTS USEFUL TERMS ................. 2 SPECIAL NOTES ................7 REFERENCE DOCUMENTS ..............8 LABEL LOCATIONS ................9 TDX Wheelchairs ............................9 M71 Wheelchairs............................10 M91 Wheelchairs............................11 SPECIFICATIONS ................12 TDX Wheelchairs ............................12 Pronto M71 Wheelchairs ........................13 Pronto M91 Wheelchairs ........................14 SECTION 7—GENERAL GUIDELINES ..........
  • Page 4 TABLE OF CONTENTS TABLE OF CONTENTS SECTION 11—RETROFITTING A SEATING SYSTEM ......36 Overview ..............................37 Removing the Existing Seat Pan......................37 Removing the Flip Back Armrests ......................39 Removing the Existing Seat Assembly....................40 Removing the Existing Seat Frame Mounting Hardware..............44 Installing the New Seat Mounting Hardware ..................45 Installing the Seat Assembly ........................48 Connecting Cables ...........................50 Installing the TRRO Non-Compliance Label..................52...
  • Page 5 TABLE OF CONTENTS TABLE OF CONTENTS SECTION 15—SEAT ................. 81 Tilting the Seat Assembly........................81 Removing/Installing the Seat Pan......................83 Adjusting the Seat Dump ........................85 Removing/Installing the Tilt Assembly ....................86 Adjusting the Seat Height ........................89 Adjusting the Seat Width........................92 Adjusting the Seat Depth........................94 Removing/Installing Side Rails ........................96 Adjusting/Replacing Telescoping Front Rigging Support ..............98 Removing/Installing the Seat Frame......................99...
  • Page 6 TABLE OF CONTENTS TABLE OF CONTENTS SECTION 18—MK5 ELECTRONICS ..........129 Replacing the SAC..........................129 Replacing the TRSS..........................130 Replacing the TRECM or TAC......................131 Adjusting/Replacing the Drive Lockout Sensor................134 Adjusting/Replacing the Tilt Sensor....................139 Programming the TAC ......................... 142 SECTION 19—WIRING AND CABLES ..........

  • Page 7: Special Notes

    CHANGE WITHOUT NOTICE. WHEELCHAIR USER As a manufacturer of wheelchairs, Invacare endeavors to supply a wide variety of wheelchairs to meet many needs of the end user. However, final selection of the type of wheelchair to be used by an individual rests solely with the user and his/her healthcare professional capable of making such a selection.

  • Page 8: Reference Documents

    REFERENCE DOCUMENTS REFERENCE DOCUMENTS Refer to the table below for part numbers of additional documents which are referenced in this manual. MANUAL DESCRIPTION PART NUMBER Owner’s TDX - MK5™ 1114809 TDX Base Only - MK6i™ 1143150 Pronto M71- MK5 before 1/24/06 1106631 Pronto M71 - MK5 after 1/23/06 1141449...

  • Page 9: Label Locations

    If tilt function is not operating and is in the REFER TO OWNER’S MANUAL down (seated) position, PRIOR to servicing the P/N 1111014 REV B device, contact Invacare Technical Services for instructions on how to safely service the tilt system, actuator or spring assist module. Call 800-832-4707.

  • Page 10: M71 Wheelchairs

    If tilt function is not operating and is in the down (seated) position, PRIOR to servicing the Serial device, contact Invacare Technical Services for instructions on how to safely service the tilt Number system, actuator or spring assist module. Call WEIGHT CAPACITY 800-832-4707.

  • Page 11: M91 Wheelchairs

    If tilt function is not operating and is in the down (seated) position, PRIOR to servicing the M91 heavy device, contact Invacare Technical Services for instructions on how to safely service the tilt duty Only system, actuator or spring assist module. Call WEIGHT CAPACITY 800-832-4707.

  • Page 12: Specifications

    0 - 55° 5° SEAT PAN ANGLE: 5 - 60° TURNING RADIUS WITH FRONT RIGGINGS: 28 inches SEAT CUSHION: Cushion (Optional) WEIGHT OF FORMULA PTO PLUS: 25 lbs ARMRESTS: Adjustable Angle, Height and Depth WEIGHT LIMITATION PTO PLUS: Up to 275 lbs...

  • Page 13: Pronto M71 Wheelchairs

    5° SEAT PAN ANGLE: 5 - 60° TURNING RADIUS WITH FRONT RIGGINGS: 28 inches SEAT CUSHION: Cushion (Optional) WEIGHT OF FORMULA PTO PLUS: 25 lbs ARMRESTS: Adjustable Angle, Height and Depth WEIGHT LIMITATION OF M71 WITH FORMULA PTO PLUS: Up to 275 lbs...

  • Page 14: Pronto M91 Wheelchairs

    5° SEAT PAN ANGLE: 5 - 60° TURNING RADIUS WITH FRONT RIGGINGS: 27½ inches SEAT CUSHION: Cushion (Optional) WEIGHT OF FORMULA PTO PLUS: 25 lbs ARMRESTS: Adjustable Angle, Height and Depth WEIGHT LIMITATION OF M91 WITH FORMULA PTO PLUS M91 STANDARD:...

  • Page 15: Section 7-General Guidelines

    WARNING The warranty and performance specifications contained in this manual are based on the use of deep cycle gel cell batteries. Invacare strongly recommends their use as the power source for this unit. Carefully read battery/battery charger information prior to installing, servicing or operating your wheelchair.

  • Page 16: Electrical - Grounding Instructions

    WARNING DO NOT, under any circumstances, cut or remove the round grounding prong from any plug used with or for Invacare products. Some devices are equipped with three- prong (grounding) plugs for protection against possible shock hazards. Where a two-prong wall receptacle is encountered, it is the personal responsibility and obli-...

  • Page 17: Operation Information

    If the wheelchair does not perform to specifications, turn the wheelchair Off immediately and reenter set up specifications. Contact Invacare, if wheelchair still does not perform to correct specifications.
  • Page 18 If such devices are used, Invacare shall not be liable and the limited warranty is void. DO NOT attempt to lift the wheelchair by any removable (detachable) parts.

  • Page 19: Repair Or Service

    Risk of Death, Serious Injury or Damage Use of incorrect or improper replacement (service) parts may cause death, serious injury, or damage. Replacement parts MUST match original Invacare parts. ALWAYS provide the wheelchair serial number to assist in ordering the correct replacement parts.
  • Page 20 SECTION 7—GENERAL GUIDELINES DANGER Risk of Death, Serious Injury, or Damage Corroded electrical components due to water, liquid exposure, or incontinent users can result in death, serious injury, or damage. Minimize exposure of electrical components to water and/or liquids. Electrical components damaged by corrosion MUST be replaced immediately.
  • Page 21 SECTION 7—GENERAL GUIDELINES WARNING A pinch point exists between walking beam/head tube cap and telescoping tube when the wheelchair is at the lowest seat to floor height. Pinch point may occur when returning the tilted seat to the full upright position. Make sure the hands and body of the occupant, attendants and bystanders are clear of all pinch points before returning the tilted seat to the full upright position.

  • Page 22: Tire Pressure

    SECTION 7—GENERAL GUIDELINES Tire Pressure WARNING Ensure the wheelchair has the proper tire pressure (P.S.I.) before use. DO NOT overinflate the tires. Failure to follow these recommendations may cause the tire to explode and cause bodily harm. The recommended tire pressure is listed on the side wall of the tire.

  • Page 23: Section 8-Safety/Handling Of Wheelchairs

    SECTION 8—SAFETY/HANDLING OF WHEELCHAIRS SECTION 8—SAFETY/HANDLING OF WHEELCHAIRS Pinch Points WARNING TDX Wheelchairs Only - Pinch points exist between the headtube cap and walking beam. Pinch points may occur when returning the tilted seat to the full upright position. 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.

  • Page 24: Section 9-Emi Information

    SECTION 9—EMI INFORMATION SECTION 9—EMI INFORMATION WARNING CAUTION: IT IS VERY IMPORTANT THAT YOU READ THIS INFORMATION REGARDING THE POSSIBLE EFFECTS OF ELECTROMAGNETIC INTERFERENCE ON YOUR POWERED WHEELCHAIR. Electromagnetic Interference (EMI) From Radio Wave Sources Powered wheelchairs and motorized scooters (in this text, both will be referred to as powered wheelchairs) may be susceptible to electromagnetic interference (EMI), which is interfering electromagnetic energy (EM) emitted from sources such as radio stations, TV stations, amateur radio (HAM) transmitters, two way radios, and...
  • Page 25 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 1125031...

  • Page 26: Section 10-Safety Inspection/Troubleshooting

    SECTION 10—SAFETY INSPECTION/TROUBLESHOOTING SECTION 10—SAFETY INSPECTION/ TROUBLESHOOTING Safety Inspection Checklist NOTE: Initial adjustments should be made to suit the end user's personal body structure needs and preference. After initial setup, perform these procedures every time the wheelchair is serviced. NOTE: Refer to the wheelchair service manuals listed in Reference Documents on page 8 for a complete safety inspection checklist for the base.

  • Page 27: Post-Service Inspection Checklist

    SECTION 10—SAFETY INSPECTION/TROUBLESHOOTING Post-Service Inspection Checklist WARNING Risk of Death or Serious Injury NEVER operate the wheelchair or elevate/lower the seat while in any tilted/ reclined/back angle position over 20° relative to the vertical position. If the drive lock-out does not stop the wheelchair from operating or the seat from elevating/ lowering in a tilt/recline/back angle position over 20°...
  • Page 28 SECTION 10—SAFETY INSPECTION/TROUBLESHOOTING ❑ Verify front casters will not collide with legrests when fully swiveled. ❑ Verify easy removal of arms and legrests. ❑ Install all shrouds. ™ Formula PTO Plus Powered Seating Part No 1125031...

  • Page 29: Troubleshooting

    SECTION 10—SAFETY INSPECTION/TROUBLESHOOTING Troubleshooting NOTE: Refer to the wheelchair service manuals listed in Reference Documents on page 8 for complete mechanical and electrical troubleshooting guides for the base and an explanation of error codes. MK5 Electronics SYMPTOM PROBABLE CAUSE SOLUTIONS Wheelchair Power ON System tilted beyond Return to neutral position (upright).
  • Page 30 Refer to Operating the Powered Tilt System angle (20°). on page 103. Contact Invacare if this does not solve the problem. Motor lock levers are Engage motor lock levers. See wheelchair base owner’s disengaged. manual.
  • Page 31 SECTION 10—SAFETY INSPECTION/TROUBLESHOOTING DISPLAY DESCRIPTION DEFINITION COMMENTS Information Gauge Display Left RED LED is flashing. Battery charge is low. The batteries should be charged as soon as possible. Left to Right “chase” Joystick is in The steady LEDs indicate alternating with steady programming, inhibit and/ the current state of the display.
  • Page 32 SECTION 10—SAFETY INSPECTION/TROUBLESHOOTING Right Motor Fault Right Motor Short Circuit Check the right motor, connections and motor cable. Right Motor Open Circuit Right Motor Connection Fault Motor Terminal Connected to B+ Right Motor Voltage Fault Right Motor Bridge Fault Too Many Hardware Current Limit Events Current Offset Out of Range Hardware Current Limit Fault...
  • Page 33 Check connections and wiring. Replace Fault Bus cable. Low communication mode General Fault General fault Check all connections and wiring. Contact Invacare Technical Service. Incompatible/ Incompatible/incorrect Wrong type of remote connected. Ensure incorrect Remote Remote the branding of the joystick matches that of controller unit.
  • Page 34 (Error code W05). Batteries draw excessive current Battery failure. Have batteries checked for shorted cell. when charging. Replace if necessary. Electrical malfunction. Contact Invacare. ™ Formula PTO Plus Powered Seating Part No 1125031...
  • Page 35 Joystick erratic or does not respond Damaged motor coupling. Inspect motor coupling. See service as desired. manual for wheelchair base. Electrical malfunction. Contact Invacare for Service. Controller programmed Check programming. See electronics improperly. manual. Wheelchair does not respond to Poor battery terminal Have terminals cleaned.

  • Page 36: Section 11-Retrofitting Aseating System

    SECTION 11—RETROFITTING A SEATING SYSTEM SECTION 11—RETROFITTING A SEATING SYSTEM WARNING After any adjustments, repair or service and before use, make sure all attaching hardware is tightened securely - otherwise injury or damage may result. Before performing any maintenance, adjustments or service, always turn the wheelchair power off, otherwise injury or damage may result.

  • Page 37: Overview

    SECTION 11—RETROFITTING A SEATING SYSTEM Overview The PTO Plus retrofit kit will conatin a full assembly (seat, back, tilt actuator and electronics) that MUST be attached to the wheelchair base. The retrofit kit and these instructions are only for a system with MK5 electronics. The following checklist provides an overview of the procedures necessary to install the PTO Plus seating system onto the TDX, M71 or M91 base.
  • Page 38 SECTION 11—RETROFITTING A SEATING SYSTEM Long Hex Screws Short Hex Screw Seat Pan Seat Frame NOTE: Seat cushion is not shown. Seat Positioning Spacer Strap Locknuts Pull Pin Spacer Locknuts FIGURE 11.1 Removing the Existing Seat Pan - Wheelchairs with ASBA Seats Wheelchairs with Adjustable ASBA Seats NOTE: For this procedure, refer to FIGURE 11.2.

  • Page 39: Removing The Flip Back Armrests

    SECTION 11—RETROFITTING A SEATING SYSTEM Socket Screws Seat Pan Seat Frame FIGURE 11.2 Removing the Existing Seat Pan - Wheelchairs with Adjustable ASBA Seats Removing the Flip Back Armrests NOTE: For this procedure, refer to FIGURE 11.3 on page 39. 1.

  • Page 40: Removing The Existing Seat Assembly

    SECTION 11—RETROFITTING A SEATING SYSTEM Removing the Existing Seat Assembly NOTE: The seat assembly includes the back canes and back upholstery. NOTE: Refer to the following procedures to remove the existing seat frame: • Refer to TDX Wheelchairs with ASBA Seats on page 40. •...
  • Page 41 SECTION 11—RETROFITTING A SEATING SYSTEM DETAIL “A” - LOW SEAT-TO-FLOOR DETAIL “B” - MEDIUM AND HIGH SEAT-TO-FLOOR Seat Frame Screws Screws Seat Frame Flat Flat Flat Washer Washer Washers Locknut Locknut Locknuts Low Seat To Floor Rear Mounting Plate Front Upper Seat Bracket Medium Seat-To-Floor Mounting Plate...
  • Page 42 SECTION 11—RETROFITTING A SEATING SYSTEM TDX Wheelchairs with Adjustable ASBA Seats NOTE: For this procedure, refer to FIGURE 11.5 on page 42. 1. Remove the four socket screws and two locknuts that secure the seat frame to the front upper seat brackets and the seat-to-floor brackets. 2.
  • Page 43 SECTION 11—RETROFITTING A SEATING SYSTEM M71 Wheelchairs Rear Pivot Brackets Seat Clevis Pins Latch Bar is located under the front of the seat M91 Wheelchairs Rear Pivot Brackets Seat Clevis Pins Latch Bar (located under the front of the seat) NOTE: Van Seat model shown.

  • Page 44: Removing The Existing Seat Frame Mounting Hardware

    SECTION 11—RETROFITTING A SEATING SYSTEM Removing the Existing Seat Frame Mounting Hardware TDX Wheelchairs NOTE: For this procedure, refer to FIGURE 11.7. 1. Remove the two hex screws, flat washers and strap nut that secure the seat-to-floor mounting plate to the battery box. 2.

  • Page 45: Installing The New Seat Mounting Hardware

    SECTION 11—RETROFITTING A SEATING SYSTEM M71 and M91 Wheelchairs NOTE: For this procedure, refer to FIGURE 11.8. 1. Remove the side shrouds from the wheelchair. Refer to the wheelchair owner’s manual for this procedure. 2. Remove the mounting screws and locknuts securing the front adjustable height tubes to the front support tubes.
  • Page 46 SECTION 11—RETROFITTING A SEATING SYSTEM 3. Repeat STEPS 1 and 2 for the remaining rear seat bracket, using the same set of mounting holes used in STEP 2. 4. Using the same set of mounting holes used in STEP 2, secure the front seat bracket to the battery box using two cap screws and locknuts.
  • Page 47 SECTION 11—RETROFITTING A SEATING SYSTEM Installing New Seat Mounting Hardware on M71 and M91 WARNING All seat posts MUST be adjusted to the same height. *DO NOT use Mounting Hole A. This mounting hole combination will cause interference between the front riggings and/or the seat frame and wheelchair base. **ALL M71 Wheelchairs and M91 Wheelchairs for users over 250 lbs MUST use Mounting Hole B.

  • Page 48: Installing The Seat Assembly

    SECTION 11—RETROFITTING A SEATING SYSTEM Installing the Seat Assembly NOTE: For this procedure, refer to FIGURE 11.11 on page 49. NOTE: The stationary link attaches to the front and rear seat brackets on TDX wheelchairs and to the seat posts on M71 and M91 wheelchairs. 1.
  • Page 49 SECTION 11—RETROFITTING A SEATING SYSTEM 7. Install the batteries. Refer to one of the following sections of the manual: • Refer to TDX Batteries on page 171. • Refer to M71 batteries on page 159. • Refer to M91 Batteries on page 149. 8.

  • Page 50: Connecting Cables

    4. Connect the TRSS, TAC or TRECM to the MK5™ controller (5-pin connector). NOTE: Wheelchairs equipped with MK5 EX controllers using TAC or TRECM require a 5-pin auxiliary cable. If it is not present, contact Invacare to order part number 1118231. 5. Connect the joystick.
  • Page 51 SECTION 11—RETROFITTING A SEATING SYSTEM TRECM TRECM or TAC 5-Pin Connector (To Controller) Tilt Sensor Molex Auxiliary Power Connector Connector Drive Lock Out Sensor Molex Connector Left Power Elevating Legrest Actuator Connector Right Power Elevating Legrest Actuator Connector Tilt Actuator Connector TRSS TRSS Auxiliary Power...

  • Page 52: Installing The Trro Non-Compliance Label

    SECTION 11—RETROFITTING A SEATING SYSTEM Installing the TRRO Non-Compliance Label WARNING TRRO includes four factory-installed transport brackets and a wheelchair anchored pelvic belt. TRRO has been crash-tested in accordance with ANSI/RESNA WC Vol 1 Section 19 Frontal Impact Test requirements for wheelchairs with a 168 lb crash dummy, which corresponds to a person with a weight of 114 to 209 lbs.

  • Page 53: Section 12-Center Mount Footrests

    Before performing any maintenance, adjustments or service, always turn the wheel- chair power off, otherwise injury or damage may result. NOTE: For complete operating information on Invacare footrests, refer to the appropriate Owner's Manual listed in Reference Documents on page 8.

  • Page 54: Adjusting The Height Of The Center Mount Footrest

    SECTION 12—CENTER MOUNT FOOTRESTS Seat Frame Seat Frame Mounting Bracket NOTE: ASBA seat shown. Center mount footrest installs the same way on adjustable Center Mount ASBA seats. Footrest Release Lever Rigging Pivot Pin Ratchet Housing FIGURE 12.1 Removing/Installing the Center Mount Footrest Adjusting the Height of the Center Mount Footrest WARNING While the wheelchair is moving, minimum ground clearance for the front rigging is...

  • Page 55: Adjusting The Angle Of The Center Mount Footrest

    SECTION 12—CENTER MOUNT FOOTRESTS Adjusting the Angle of the Center Mount Footrest WARNING While the wheelchair is moving, minimum ground clearance for the front rigging is three inches. If the wheelchair is not moving, the front rigging MUST maintain a minimum of one inch ground clearance - otherwise personal injury and damage may result.

  • Page 56: Adjusting The Tension Of The Center Mount Footplate

    SECTION 12—CENTER MOUNT FOOTRESTS Before 2/15/07 NOTE: For this procedure, refer to FIGURE 12.5. 1. Loosen the footplate mounting screw and move the footplate to the desired Center Mount angle. Footrest NOTE: DO NOT remove the footplate Footplate mounting screw. Footplate Mounting 2.

  • Page 57: Section 13-Power Elevating Legrests

    NOTE: These procedures apply to TDX wheelchairs only. NOTE: For complete operating information on Invacare elevating legrests, refer to the TDX Owner's Manual listed in Reference Documents on page 8. Installing/Removing the Power Elevating Legrests...
  • Page 58 SECTION 13—POWER ELEVATING LEGRESTS 2. Insert the mounting pin of power legrest into the mounting hole of the hanger assembly (Detail “A”). NOTE: Make sure the legrest sits flush on the hanger assembly. 3. Rotate the power legs toward the inside of the wheelchair until it locks in place. NOTE: The footplate will be on the inside of the wheelchair when locked in place.

  • Page 59: Adjusting The Power Elevating Legrests

    SECTION 13—POWER ELEVATING LEGRESTS Adjusting the Power Elevating Legrests Adjusting the Footplate WARNING DO NOT remove heel loops without providing some other adequate means of sup- port. Otherwise personal injury may occur. Adjusting the Footplate Height NOTE: For this procedure, refer to FIGURE 13.2. NOTE: The following procedure should be performed with the user in the wheelchair.
  • Page 60 SECTION 13—POWER ELEVATING LEGRESTS Adjusting the Footplate Depth Flat Head Screws NOTE: For this procedure, refer to Depth Footplate Adjustment FIGURE 13.3. Holes 1. Remove the two flat head screws and the two barrel nuts that secure the footplate to the footplate clamp. 2.
  • Page 61 SECTION 13—POWER ELEVATING LEGRESTS DETAIL “A” DETAIL “B” Footplate Flat Head Footplate Screws Footplate Clamp Footplate Barrel Nuts Pivot Hinge Clamp DETAIL “C” Direction of Rotation Set Screw FIGURE 13.4 Adjusting the Footplate Angle ™ Part No 1125031 Formula PTO Plus Powered Seating...
  • Page 62 SECTION 13—POWER ELEVATING LEGRESTS Adjusting the Calf Pad Adjusting the Calf Pad Width NOTE: For this procedure, refer to FIGURE 13.5. 1. Remove the two button head screws from the calf pad and calf pad bracket. 2. Reposition calf pad to calf pad bracket to desired mounting position. 3.
  • Page 63 SECTION 13—POWER ELEVATING LEGRESTS 6. Align the two T-nuts on depth adjustment bracket assembly with channel on legrest. Slide calf pad assembly to desired height. Tighten the two hex mounting screws securely. 7. Repeat STEPS 1-6 for opposite side. Adjusting the Calf Pad Height NOTE: For this procedure, refer to FIGURE 13.7.

  • Page 64: Removing/Installing The Power Elevating Legrest Harness

    SECTION 13—POWER ELEVATING LEGRESTS Removing/Installing the Power Elevating Legrest Harness NOTE: For this procedure, refer to FIGURE 13.9 on page 65. NOTE: This procedure is for MK electronics only. The power elevating legrest harness is a part of the DLIAM for MK6i electronics. If there is a problem with the harness, the DLIAM must be replaced.

  • Page 65: Removing/Installing The Power Elevating Legrest Actuator

    SECTION 13—POWER ELEVATING LEGRESTS T-nut NOTE: T-nuts shown Rear Arm Socket exploded away from Rear Harness Wire Bracket seat frame for clarity. Washer Hex Screw Seat Frame 2-pin Anderson Connector (To TRECM) T-nut Locknuts Tie-wrap Front Harness Wire Bracket Harness Washer Hex Screw Power Elevating Legrest Connector...
  • Page 66 SECTION 13—POWER ELEVATING LEGRESTS Installing 1. Unscrew the actuator rod ½ turn. 2. Secure the actuator rod to the actuator bracket using the short shoulder screw and locknut. 3. Secure the top of the power elevating legrest actuator to the power legrest bracket using the long shoulder screw, flat washer, washer and locknut.

  • Page 67: Section 14-Back

    SECTION 14—BACK SECTION 14—BACK WARNING After any adjustments, repair or service and before use, make sure all attaching hardware is tightened securely - otherwise injury or damage may result. Before performing any maintenance, adjustments or service, always turn the wheel- chair power off, otherwise injury or damage may result.
  • Page 68 SECTION 14—BACK 5. Install two locknuts onto the curved back pan mounting screws to secure the curved back pan to the upper mounting brackets. 6. Install one spacer onto one lower curved back pan mounting screw. 7. Position one lower mounting bracket onto the back cane on the same side used in STEP 5.
  • Page 69 SECTION 14—BACK DETAIL “A” - REMOVING THE CURVED BACK PAN Curved Back Pan Locknuts Locknuts Back Cane DETAIL “B” - INSTALLING THE CURVED BACK PAN / ADJUSTING CURVED BACK PAN HEIGHT Curved Back Pan Fastening Strips Front of Wheelchair (Not Shown) Upper Curved Back Pan Mounting Screw Upper Height Adjustment Mounting Holes...

  • Page 70: Removing/Installing The Contoura Back

    SECTION 14—BACK Removing/Installing the Contoura Back NOTE: For this procedure, refer to FIGURE 14.2 on page 71. Removing the Contoura Back 1. Remove back cushion. 2. Remove the two mounting screws that secure the lower front mounting brackets to the back canes.

  • Page 71: Adjusting The Back Width

    SECTION 14—BACK Back Cane Contoura Back Upper Front Mounting Bracket Back Cane Socket Mounting Screws* Screw Washer Washer Locknuts Lower Front Mounting Bracket Washer Socket Screw* Socket Rear Screws** Mounting Bracket Washer *NOTE: Remove these socket screws Mounting when removing the back from the back Screw canes.
  • Page 72 SECTION 14—BACK NOTE: To avoid losing the insert in each back cane, thread the mounting screw through the cane from the inside of wheelchair to hold the insert in place. 3. Remove the mounting screw, washer, coved washer and locknut from the bottom mounting hole of the back angle plate and back cane.

  • Page 73: Adjusting The Back Height

    SECTION 14—BACK 2. Remove the two upper hex screws, washers and locknuts securing the cane brackets to the back canes. 3. Align the upper mounting holes in the back canes with the desired mounting holes in the cane brackets (Detail “A” of FIGURE 14.4). 4.

  • Page 74: Removing/Installing The Back Canes

    SECTION 14—BACK Removing/Installing the Back Canes ASBA Seats NOTE: For this procedure, refer to FIGURE 14.5 on page 75. NOTE: The following tools and items are required to perform this procedure: • 7/16-inch Socket with Ratchet • 7/16-inch Box Wrench •...
  • Page 75 SECTION 14—BACK 9. Mount back canes to the seat frame in the location noted from STEP 4. Secure the back canes to the seat frame with the existing four hex screws, washers, coved washers, and locknuts. Torque to 75 in-lbs ± 20%. 10.
  • Page 76 SECTION 14—BACK 3. For proper installation, note the mounting position of the upper hex screw securing the cane bracket to the back cane. 4. Remove the upper hex screw, washer and locknut securing the cane bracket to the back cane. 5.

  • Page 77: Removing/Installing The Spreader Bar

    SECTION 14—BACK Removing/Installing the Spreader Bar NOTE: For this procedure, refer to FIGURE 14.7. NOTE: This procedure only applies to BPO (Back Post Only) systems. Removing 1. Remove the six socket screws securing the half clamps and the push bar to the back canes.

  • Page 78: Removing/Installing/Adjusting Tarsys®Lateral Supports

    SECTION 14—BACK Removing/Installing/Adjusting Tarsys®Lateral Supports Removing/Installing NOTE: For this procedure, refer to FIGURE 14.8. 1. Remove the three hex screws securing the half clamps to the back canes. 2. Remove the two socket screws securing the bracket (with lateral support attached) to the half clamp.
  • Page 79 SECTION 14—BACK Lateral Support Half Clamp Socket Screws Back Cane FIGURE 14.9 Adjusting Lateral Height Adjusting Lateral Depth NOTE: For this procedure, refer to FIGURE 14.10. 1. Remove the two flat screws that secure the lateral support pad to the bracket. 2.
  • Page 80 SECTION 14—BACK Lateral Support Pad *NOTE: Only one size bracket is Bracket* shown for clarity. Hinge Socket Flat Screws Screws FIGURE 14.11 Adjusting Lateral Width ™ Formula PTO Plus Powered Seating Part No 1125031...

  • Page 81: Section 15-Seat

    NOTE: Removing the seat is not necessary to access the battery compartment on wheelchairs equipped with a Formula PTO Plus seating system. The seat assembly with the Formula PTO Plus seating system tilts back and props into place to provide access to the batteries and the underside of the seat.
  • Page 82 SECTION 15—SEAT 7. Remove prop rod from the clip located on the Formula PTO Plus frame and engage the prop rod end into the front seat post as shown in FIGURE 15.1. 8. Gently allow weight of seat assembly to be supported by the prop rod.

  • Page 83: Removing/Installing The Seat Pan

    Ensure the two screws are fully engaged and the Formula PTO Plus frame is securely locked in place before use - otherwise injury or damage may result. 4. Insert the two screws through both the Formula PTO Plus frame and the two front seat posts/seat brackets.
  • Page 84 SECTION 15—SEAT Short Hex Screws Long Hex Screws Seat Pan NOTE: Seat cushion Seat Frame is not shown. Seat Positioning Strap Pull Pin Spacers Locknuts FIGURE 15.2 Removing/Installing the Seat Pan - ASBA Seats Adjustable ASBA Seats NOTE: For this procedure, refer to FIGURE 15.3. Removing 1.

  • Page 85: Adjusting The Seat Dump

    SECTION 15—SEAT Adjusting the Seat Dump NOTE: For this procedure, refer to FIGURE 15.4 on page 86. NOTE: Seat dump is the seat angle relative to the ground when the seating system is not tilted (upright position). The seat dump can be 0°, 3° or 5°. NOTE: The stationary link attaches to the front and rear seat brackets on TDX wheelchairs and to the seat posts on M71 and M91 wheelchairs.

  • Page 86: Removing/Installing The Tilt Assembly

    SECTION 15—SEAT ‘ TDX Wheelchairs M91 and M71 Wheelchairs Screw Stationary Screw Stationary Link Link Washer Seat Post Washer Washer Stationary Cap Screw Seat Link Bracket Stationary Link Cap Screw Washer NOTE: M91 base frame shown for clarity. M71 base frame attaches the same way. NOTE: Seat not shown for clarity.
  • Page 87 SECTION 15—SEAT Installing the Tilt Assembly CAUTION Ensure the cables DO NOT become stressed (pulled), entangled or crushed when setting the seat aside. 1. Align the rear stationary link mounting holes with the rear seat bracket mounting holes or the rear seat post mounting holes. 2.
  • Page 88 SECTION 15—SEAT Tilt Assembly Wheelchairs Stationary Link Stationary Link Washer Shoulder Screws Screw Locknut M91 and M71 Wheelchairs Washer NOTE: Seat not shown for clarity. Seat Tilt Assembly Brackets Locknut NOTE: Seat not Shoulder Screw shown for clarity. Screw Stationary Link Seat Post Stationary...

  • Page 89: Adjusting The Seat Height

    SECTION 15—SEAT Adjusting the Seat Height TDX Wheelchairs WARNING All seat brackets MUST be adjusted to the same height. NOTE: For this procedure, refer to FIGURE 15.6 on page 90. NOTE: The seat height can be adjusted to one of three positions (18, 19 or 20 inches). 1.
  • Page 90 SECTION 15—SEAT Rear Seat Bracket Hex Screws Battery Box Mounting Holes Strap Nuts Front Seat Bracket Rear Seat Bracket Locknuts Hex Screws Locknuts Screws Front Seat Bracket Mounting Holes DETAIL “A” - SEAT HEIGHTS NOTE: Rear seat bracket shown. Front 18-inch Seat Height seat bracket adjusts in Mounting Hole...
  • Page 91 SECTION 15—SEAT M91 Wheelchairs WARNING All seat posts MUST be adjusted to the same height. *DO NOT use Mounting Hole A. This mounting hole combination will cause interference between the front riggings and/or the seat frame and wheelchair base. **ALL M71 Wheelchairs and M91 Wheelchairs for users over 250 lbs. MUST use Mounting Hole B.

  • Page 92: Adjusting The Seat Width

    SECTION 15—SEAT Adjusting the Seat Width ASBA Seats NOTE: The seat frame must be replaced to change the seat width. Refer to Removing/Installing the Seat Frame on page 99. Adjustable ASBA Seats NOTE: For this procedure, refer to FIGURE 15.8 on page 94. Seat Width Adjustment Table FRAME SIZE SEAT WIDTH RANGE...
  • Page 93 SECTION 15—SEAT Seat Width Mounting Holes SEAT SIDE RAIL MOUNTING HOLES* WIDTH 16-INCH 17-INCH 18-INCH 19-INCH 20-INCH (16- 20-INCH FRAME) 20-INCH (20- 24-INCH FRAME) 21-INCH 22-INCH *NOTE: Only left side rail shown. Use the same mounting hole for opposite side rail. 6.

  • Page 94: Adjusting The Seat Depth

    SECTION 15—SEAT NOTE: Seat pan, back and arms removed for clarity. Crossbar Crossbar Seat Frame Mounting Holes Hex Screw Seat Frame Coved Mounting Side Rail Washer Hole DETAIL “A” - REPLACING THE Crossbars Side Rail CROSSBARS Mounting Hole Hex Screw Mounting Hole Side Rail...
  • Page 95 SECTION 15—SEAT Adjustable ASBA Seats NOTE: For this procedure, refer to FIGURE 15.9 on page 96. 1. Examine the following chart to determine if the desired seat depth adjustment is within or beyond the range of the existing seat frame. FRAME SIZE SEAT DEPTH RANGE SMALL...

  • Page 96: Removing/Installing Side Rails

    SECTION 15—SEAT DETAIL “A” - SEAT DEPTH MEASUREMENT Rear Socket Side Rail Measure Distance Cane Front Bracket Side Rail Socket Hex Screws FIGURE 15.9 Adjusting the Seat Depth - Adjustable ASBA Seats Removing/Installing Side Rails NOTE: For this procedure, refer to FIGURE 15.10 on page 97. NOTE: This procedure applies to Adjustable ASBA seats only.
  • Page 97 SECTION 15—SEAT 6. Slide both cane brackets (with T-nuts and back canes) out of the slots in the side rails. 7. Slide both front arm sockets (with T-nuts) out of the slots in the side rails. 8. Pull both side rails off the crossbars. Installing Side Rails 1.

  • Page 98: Adjusting/Replacing Telescoping Front Rigging Support

    SECTION 15—SEAT Adjusting/Replacing Telescoping Front Rigging Support ASBA Seats NOTE: For this procedure, refer to FIGURE 15.11 NOTE: The two telescoping front rigging supports can be positioned at different depths depending on the need of the user. 1. Remove the two mounting screws, spacers and locknuts that secure the telescoping front rigging support to the seat frame.

  • Page 99: Removing/Installing The Seat Frame

    SECTION 15—SEAT Side Rail Spacers Cap Screws Depth Positions Threaded Side Rail Blocks Telescoping Cap Screws Front Tube Spacers FIGURE 15.12 Adjusting/Replacing Telescoping Front Rigging Support Removing/Installing the Seat Frame NOTE: For this procedure, refer to FIGURE 15.13 on page 101. Removing 1.
  • Page 100 SECTION 15—SEAT Installing 1. Refer to the one of the following tables to determine the proper mounting holes to use when installing the seat frame. ASBA Seat Frame Positions WHEELCHAIR BASE SEAT DEPTH POSITION PRONTO M71 16 - 17 inch 18 - 20 inch PRONTO M91 16 - 17 inch...
  • Page 101 SECTION 15—SEAT DETAIL “A” - ASBA SEATS Bolts *Position D *Position C Tilt Position B Assembly Position A (DO NOT USE) *NOTE: Position C is at the front end of the slot and Washer Position D is at the rear. Locknuts Washer DETAIL “B”...

  • Page 102: Section 16-Tilt

    SECTION 16—TILT SECTION 16—TILT WARNING After any adjustments, repair or service and before use, make sure all attaching hardware is tightened securely - otherwise injury or damage may result. Before performing any maintenance, adjustments or service, always turn the wheel- chair power off, otherwise injury or damage may result.

  • Page 103: Operating The Powered Tilt System

    If such devices are used, Invacare shall not be liable and the limited warranty is void. SEATING SYSTEM...
  • Page 104 SECTION 16—TILT Using the Single Function Toggle Switch (TRSS) NOTE: For this procedure, refer to FIGURE 16.1 on page 104. NOTE: The single function toggle switch is used on systems with MK electronics only. NOTE: The directions indicated in this procedure apply to wheelchairs with the single function toggle switch mounted on the right side of the wheelchair.
  • Page 105 SECTION 16—TILT Using the MK6i SPJ+ w/ACC Joystick NOTE: For this procedure, refer to FIGURE 16.2 on page 105. 1. Make sure the wheelchair is on a level surface. 2. Press the mode button to switch from driving mode to tilt mode. NOTE: The LED will light up with a circle around it.
  • Page 106 SECTION 16—TILT Using the MK6i MPJ+, MK6i PSR or MK6i PSF Joystick NOTE: For this procedure, refer to FIGURE 16.3 on page 107. 1. Make sure the wheelchair is on a level surface. 2. Select a drive that has the Actuator Control Switch Mode icon displayed.

  • Page 107: Removing/Installing The Actuator Shroud

    SECTION 16—TILT DETAIL “A” - SELECTING THE ACTUATOR CONTROL SWITCH MODE Mode Icons Actuator Control Switch Mode Icon DETAIL “B” - Tilt Down Icon ACTUATOR CONTROL SWITCH (Move the joystick MODE EXAMPLE right to use this SCREEN function) Operation Icons DETAIL “C”...

  • Page 108: Replacing The Tilt Actuator

    SECTION 16—TILT Screws and Washers Actuator Shroud FIGURE 16.4 Removing/Installing the Actuator Shroud Replacing the Tilt Actuator Preparing to Replace the Tilt Actuator NOTE: For this procedure, refer to FIGURE 16.5 on page 109. 1. Remove the seat pan. Refer to Removing/Installing the Seat Pan on page 83. 2.
  • Page 109 SECTION 16—TILT Large Tie-wrap Rear of Tilt Frame Support NOTE: Spring assist removed for clarity. Actuator Cam Switch Cover Bracket FIGURE 16.5 Preparing to Replace the Tilt Actuator / Preparing the Actuator for Use Removing the Tilt Actuator NOTE: For this procedure, refer to FIGURE 16.6 on page 111. 1.
  • Page 110 SECTION 16—TILT Installing the Tilt Actuator NOTE: For this procedure, refer to FIGURE 16.6 on page 111. 1. Ensure the seat assembly is supported from behind by an assistant or a stationary object. 2. Position the new actuator as shown in FIGURE 16.6. 3.
  • Page 111 SECTION 16—TILT DETAIL “C” Cotter Rear of Tilt Frame Washer Actuator Clevis Pin Actuator DETAIL “B” Threaded Pivot Pin Front of Tilt Frame Cam Switch Threaded Cover Pivot Pin NOTE: Spring assist removed for clarity. DETAIL “A” Actuator NOTE: Cam harness cable not shown Harness...

  • Page 112: Removing/Installing The Cam Switch Cover

    SECTION 16—TILT Preparing the Actuator for Use NOTE: For this procedure, refer to FIGURE 16.5 on page 109. 1. Route the actuator cable towards the rear of the chair. 2. Tie-wrap the actuator cable to the drive lockout sensor cable. 3.
  • Page 113 SECTION 16—TILT Large Tie-Wrap DETAIL “B” Large Tie-Wrap Actuator Cam Switch Cover Front End Cam Switch Cover Large Hole Harness NOTE: Cam harness NOTE: Spring assist cable and actuator not removed for clarity. shown for clarity. DETAIL “A” NOTE: Cam harness cable not shown Harness...

  • Page 114: Removing/Installing The Cam Harness Cable

    SECTION 16—TILT 7. Install the actuator shroud. Refer to Removing/Installing the Actuator Shroud on page 107. 8. Connect the joystick. 9. Turn the joystick on. 10. Use the tilt function to return the seat to the down position. 11. Test the operation of the tilt system to ensure no cables are being pulled, crushed or damaged.

  • Page 115: Removing/Installing The Spring Assist Assembly

    6. Examine the spring retainer and the spring assist assembly for damage. If damaged, DO NOT reinstall these parts. Contact Invacare to order replacements for these parts. 7. Remove the Mounting screw securing the spring retainer to the spring assist assembly (Detail “A”).
  • Page 116 SECTION 16—TILT WARNING Use EXTREME caution, and work very slowly when loosening the locknut on the end of the spring. Otherwise, the spring will expand rapidly and injury or damage may occur The spring must be fully expanded before removing the spring assist assembly. Oth- erwise, injury or damage may occur.
  • Page 117 SECTION 16—TILT DETAIL “B” Tilt Frame Head of Cotter Pin Clevis Clevis Pin Top View Spring Assist Washer Assembly DETAIL “A” Tilt Assembly Threaded Threaded Pivot Pin Pivot Pin Spring Spring Assist Locknut Assembly Threads Mounting Screw Spring Retainer FIGURE 16.8 Removing/Installing the Spring Assist Assembly ™...

  • Page 118: Section 17-Mk6I Electronics

    SECTION 17—MK6I ELECTRONICS SECTION 17—MK6i ELECTRONICS WARNING After any adjustments, repair or service and before use, make sure all attaching hardware is tightened securely - otherwise injury or damage may result. Before performing any maintenance, adjustments or service, always turn the wheelchair power off, otherwise injury or damage may result.

  • Page 119: Replacing The Drive Lockout Sensor

    SECTION 17—MK6I ELECTRONICS Connecting 1. Ensure the latch is pulled away from the network connector. 2. Connect the network connector to the other connectors. 3. Top and Bottom Connectors - Install connector caps onto the network connector. NOTE: Ensure the gasket is installed in the top connector cap. 4.

  • Page 120: Adjusting The Drive Lockout Sensor

    SECTION 17—MK6I ELECTRONICS 9. Secure the drive lockout sensor cable to the wheelchair with tie-wraps, making sure there is no excess cable which loops away from the wheelchair. Refer to Securing the Cables on page 143 for more information about properly securing the cables. NOTE: Ensure the cables are secured in the locations noted in STEP 4.

  • Page 121: Adjusting/Replacing The Tilt Sensor

    SECTION 17—MK6I ELECTRONICS WARNING Risk of Death or Serious Injury NEVER operate the wheelchair or elevate/lower the seat while in any tilted/ reclined/back angle position over 20° relative to the vertical position. If the drive lock-out does not stop the wheelchair from operating or the seat from elevating/ lowering in a tilt/recline/back angle position over 20°...

  • Page 122: Removing/Installing The 4-Way Switch Box (4Wsb)

    SECTION 17—MK6I ELECTRONICS Installing 1. Connect the network connector. Refer to Connecting/Disconnecting Network Connectors on page 118. 2. Secure the sanode to the powered seating system using tie-wraps. NOTE: Secure the sanode in a location that will enable the powered seating system to function without pulling, crushing or pinching the cable.

  • Page 123: Removing/Installing The 4-Way Toggle Switch (Fwt)

    SECTION 17—MK6I ELECTRONICS Installing 1. Secure the 4-way switch box to the mounting plate using the two mounting screws. 2. Tighten the two hex screws to secure the mounting plate to the half clamps and the half clamps to the armrest. 3.

  • Page 124: Removing/Installing The Quad Push Button (Qpb)

    SECTION 17—MK6I ELECTRONICS Removing 1. Loosen, but DO NOT remove, the two hex screws securing the joystick mounting bracket to the half clamps. 2. Remove the two mounting screws and washers that secure the 4-way toggle switch to the joystick mounting bracket. 3.

  • Page 125: Removing/Installing The Multiple Actuator Interface Box (S4Wsb)

    SECTION 17—MK6I ELECTRONICS Removing 1. Disconnect the connector from the 4-way switch box (not shown). 2. Remove any tie-wraps securing the cable to the powered seating system. 3. Remove the quad push button from the powered seating system. Installing 1. Connect the connector to the 4-way switch box. 2.
  • Page 126 SECTION 17—MK6I ELECTRONICS 2. Remove the half clamps from the armrest. 3. Remove the two mounting screws securing the multiple actuator interface box to the mounting plate. 4. Remove any tie-wraps (not shown) securing the cable to the powered seating system. 5.

  • Page 127: Removing/Installing The Dual Leg Integrated Actuator Module (Dliam)

    SECTION 17—MK6I ELECTRONICS Removing/Installing the Dual Leg Integrated Actuator Module (DLIAM) NOTE: For this procedure, refer to FIGURE 17.8. NOTE: Use the DLIAM when powered elevating legrests (ELRPW) are installed on the seating system. Removing 1. Remove the two mounting screws securing the DLIAM to the seat pan. 2.
  • Page 128 SECTION 17—MK6I ELECTRONICS Mounting Screws Seat Pan Dual Leg Integrated Cables Actuator Module Network Connector Power Elevating Legrest Harness Connector FIGURE 17.8 Removing/Installing the Dual Leg Integrated Actuator Module (DLIAM) ™ Formula PTO Plus Powered Seating Part No 1125031...

  • Page 129: Section 18-Mk5 Electronics

    SECTION 18—MK5 ELECTRONICS SECTION 18—MK ELECTRONICS WARNING After any adjustments, repair or service and before use, make sure all attaching hardware is tightened securely - otherwise injury or damage may result. Before performing any maintenance, adjustments or service, always turn the wheel- chair power off, otherwise injury or damage may result.

  • Page 130: Replacing The Trss

    SECTION 18—MK5 ELECTRONICS Front of Wheelchair Half Clamp (Threaded Holes) Rear of Wheelchair Half Clamp (Unthreaded Holes) Pan Head Screws Hex Screws Mounting Plate Cam Switch Harness Connector (WHITE) 5-pin Connector Drive Lockout Sensor Connector (To Controller) (3-pin Molex connector) Auxiliary Power Connector FIGURE 18.1 Replacing the SAC Replacing the TRSS...

  • Page 131: Replacing The Trecm Or Tac

    SECTION 18—MK5 ELECTRONICS 12. Remove the TRSS from the mounting bracket. 13. If desired, loosen the two socket screws securing the mounting bracket to the joystick mounting tube. 14. Slide the mounting bracket off the joystick mounting tube. TRSS Mounting Bracket Button Head Screws TRSS Socket...
  • Page 132 SECTION 18—MK5 ELECTRONICS 8. Disconnect the PTO Plus drive lockout sensor from the 3-pin Molex connector marked Tilt (TAC) or marked D/L (TRECM). 9. Disconnect the PTO Plus tilt sensor from the 3-pin Molex connector marked Recline (TAC) or marked tilt (TRECM). 10.
  • Page 133 SECTION 18—MK5 ELECTRONICS Auxiliary Power Connector Drive Lockout Sensor 3-pin Molex Connector (Labeled TILT) 5-Pin Connector (To Controller) Tilt Sensor 3-pin Molex Connector (Labeled RECLINE) Tilt Actuator (Cam Switch Harness) Connector (2-pin Anderson) TRECM 9-Pin Connector Recline Sensor 3-pin Molex 5-Pin Connector connector (NOT USED) TRECM...

  • Page 134: Adjusting/Replacing The Drive Lockout Sensor

    SECTION 18—MK5 ELECTRONICS Adjusting/Replacing the Drive Lockout Sensor WARNING Risk of Death or Serious Injury NEVER operate the wheelchair or elevate/lower the seat while in any tilted/ reclined/back angle position over 20° relative to the vertical position. If the drive lock-out does not stop the wheelchair from operating or the seat from elevating/ lowering in a tilt/recline/back angle position over 20°...
  • Page 135 SECTION 18—MK5 ELECTRONICS • TRSS - Push the toggle of the TRSS in any direction. 7. Slowly move the drive lockout clamp in the following manner until the programmer changes from FALSE (OPEN) to TRUE (TRECM or TAC) or the drive lockout light illuminates (TRSS): •...
  • Page 136 SECTION 18—MK5 ELECTRONICS Drive Lockout Sensor Mounting Screw Drive Lockout Clamp Tilt Assembly Open Circular 5-pin Accessory Drive Lockout Connector Cable Drive Lockout TRECM TRECM Sensor Drive Lock 3-pin Molex Open Circular Out Sensor Connector 5-pin 3-pin Molex (Labeled TILT) Accessory TRSS Connector...
  • Page 137 SECTION 18—MK5 ELECTRONICS 9. Loosen the mounting screw securing the drive lockout clamp. 10. While holding the reset switch, adjust the drive lockout sensor position slowly until the 5 volt reading on the multimeter drops to 0. 11. Tighten the mounting screw to secure the drive lockout sensor in position. 12.
  • Page 138 SECTION 18—MK5 ELECTRONICS Drive Lockout Sensor Drive Lockout Clamp Tilt Assembly Drive Lockout Cable Mounting Screw DETAIL “B” - SAC DETAIL “A” - JOYSTICK CHARGER PORT 5-pin Accessory Connector Pin 3 Drive Lockout Sensor Connector Actuator Connector (3-Pin Molex Pin 2 (WHITE) Connector) FIGURE 18.6 Adjusting the Drive Lockout Sensor for SAC...

  • Page 139: Adjusting/Replacing The Tilt Sensor

    SECTION 18—MK5 ELECTRONICS • For SAC - Refer to Adjusting the Drive Lockout Sensor for SAC in Adjusting/ Replacing the Drive Lockout Sensor on page 136. Drive Lockout Sensor Mounting Screw 5-pin Drive Lockout Clamp Accessory Connector Tilt Assembly Drive Lockout Sensor Connector (3- Actuator...
  • Page 140 SECTION 18—MK5 ELECTRONICS TRECM or TAC NOTE: For this procedure, refer to FIGURE 18.8 on page 141. Adjusting 1. Tilt the seating system to the desired tilt limit angle. NOTE: This procedure is for adjusting the tilt down limit. 2. Plug the remote programmer into the TRECM or TAC controller. 3.
  • Page 141 SECTION 18—MK5 ELECTRONICS Drive Lockout Clamp Tilt Sensor Tilt Assembly Mounting Screw Drive Lockout Cable DETAIL “B” - TAC DETAIL “A” - TRECM TRECM Tilt Sensor 3-pin Molex Connector Tilt Sensor 3-pin Molex Connector (Labeled RECLINE) FIGURE 18.8 Adjusting/Replacing the Tilt Sensor - TRECM or TAC ™...

  • Page 142: Programming The Tac

    SECTION 18—MK5 ELECTRONICS Programming the TAC NOTE: For this procedure, refer to FIGURE 18.8 on page 141. NOTE: This procedure is for programming a TAC when it has been installed onto a system that previously had a SAC or TRSS installed. 1.

  • Page 143: Section 19-Wiring And Cables

    SECTION 19—WIRING AND CABLES SECTION 19—WIRING AND CABLES WARNING After any adjustments, repair or service and before use, make sure all attaching hardware is tightened securely - otherwise injury or damage may result. Before performing any maintenance, adjustments or service, always turn the wheel- chair power off, otherwise injury or damage may result.

  • Page 144: Mk6I Wiring Schematics

    SECTION 19—WIRING AND CABLES MK6i Wiring Schematics Controller Harness *NOTE: Memory card can be used instead of Cam Switch Harness Connector (Anderson programmer on Connector) driver controls with memory card slots. Drive Lockout Mercury Switch Connector (3-pin Molex connector) MK6i Wheelchair NOT USED Controller...

  • Page 145: Mk5 Wiring Schematics

    SECTION 19—WIRING AND CABLES Wiring Schematics TRSS Cam Switch Harness Connector (Anderson Connector) Drive Lockout Mercury Switch Connector (3-pin Molex connector) TRSS 24 VDC Auxiliary Power Connectors to AUX Output of Wheelchair Controller (Custom 3-Pin Plug) Wheelchair NOT USED Controller Network Connection to Programmer Port of Joystick (3-Pin Circular DIN Plug)
  • Page 146 SECTION 19—WIRING AND CABLES Drive Lockout Mercury Switch Connector (3-pin Molex connector) 24 VDC Auxiliary Power Connectors to AUX Output of Wheelchair Cam Switch Harness Connector (Anderson Connector) Controller (Custom 3-Pin Plug) Network Connection to ACC Port of Wheelchair Control Wheelchair (5-Pin Circular DIN Controller...
  • Page 147 SECTION 19—WIRING AND CABLES To Left Legrest Actuator Actuator Controls (2-Pin Anderson Connectors) To Right Legrest Actuator To VSR Actuator (Not Used) To Tilt Actuator To Recline Actuator (Not Used) Limit Sensor Inputs (3-Pin Molex/Amp Connectors) To Recline Sensor (Not Used) To Tilt Sensor TRCM/TAC Actuator...
  • Page 148 SECTION 19—WIRING AND CABLES TRECM (TDX Wheelchairs Only) To Tilt Actuator (Cam Switch Harness Connector) To Recline Actuator* Actuator Controls To Elevate Actuator* (Anderson Connectors) To Left Legrest Actuator To Right Legrest Actuator Attendant/User Switch Input (9-Pin D-Sub) 24 VDC Auxiliary Power Connectors to AUX Output of Wheelchair Controller (Custom 3-Pin Plug) TRECM TRECM...

  • Page 149: Section 20-M91 Batteries

    DO NOT tip the batteries. Keep the batteries in an upright position. Invacare strongly recommends that battery installation and battery replacement always be done by a qualified technician. After ANY adjustments, repair or service and BEFORE use, make sure all attaching hardware is tightened securely - otherwise injury or damage may result.

  • Page 150: Installing/Removing The Batteries

    SECTION 20—M91 BATTERIES WARNING Battery terminal configuration shown below MUST be used. Batteries that have the reversed terminal configuration MUST NOT be used - otherwise serious injury or damage may occur. Mounting Holes DO NOT Use POSITIVE (+) Battery Terminal NEGATIVE POSITIVE (-) Battery...
  • Page 151 SECTION 20—M91 BATTERIES 2. Verify the joystick On/Off switch is in the OFF position and disconnect joystick. 3. Tilt the seat back. Refer to Tilting the Seat Assembly on page 81. 4. Remove the top shroud. 5. If necessary, disconnect right and left motor leads to allow access to the front of the battery tray.
  • Page 152 SECTION 20—M91 BATTERIES 14. Tilt the seat forward. Refer to Tilting the Seat Assembly on page 81. 15. Connect the joystick. NOTE: New batteries MUST be fully charged BEFORE using, otherwise the life of the batteries will be reduced. 16. If necessary, charge the batteries. Refer to Charging Batteries on page 155. Front of Wheelchair RED Connector from RED Controller Connector...

  • Page 153: Connecting/Disconnecting The Battery Wiring Harness

    SECTION 20—M91 BATTERIES NOTE: Perform this section on one battery at a time starting with the FRONT battery. Repeat STEP 10 to remove remaining battery from battery tray. 11. Perform one of the following to remove the battery from the battery tray: A.
  • Page 154 SECTION 20—M91 BATTERIES 9. Repeat STEPS 1-8 to install and connect the rear battery to the rear battery harness. POSITIVE (+) NEGATIVE (-) Battery Cable, Battery Cable Mounting Screw with Fuse Hardware NEGATIVE (-) Battery Terminal Tie-Wrap Mounting Screw Locknut Tie-Wrap POSITIVE (+) Battery...

  • Page 155: Charging Batteries

    SECTION 20—M91 BATTERIES Charging Batteries DANGER When using an extension cord, use only a three wire extension cord having at least 16 AWG (American Wire Gauge) wire and the same or higher electrical rating as the devise being connected. Use of improper extension cord could result in a risk of fire and electric shock.

  • Page 156: Battery Charger Operation

    2. The On/Off LED indicator illuminates solid RED indicating that the charger is On. 3. If the On/Off LED indicator is “Blinking” RED, this is abnormal. Unplug AC power cord from the on-board battery charger and wall outlet. Contact Invacare at the number listed on the back page of this manual.
  • Page 157 SECTION 20—M91 BATTERIES WARNING DO NOT operate wheelchair with AC power cord attached to the wheelchair. To Wall Outlet Male Connector on AC Power Cord Female Connector on AC (Connects to Wall Outlet) Power Cord (Connects to AC Charger AC Receptacle Receptacle on Charger) (Hidden from View) on Charger...
  • Page 158 SECTION 20—M91 BATTERIES Required Items: Battery Charger*, Power Cord** *NOTE: Item not supplied. **NOTE: AC power cord (3-prong plug, 15 ampere current rating; industrial type). 1. Attach the battery charger connector to the charger port on the front of the joystick. 2.

  • Page 159: Section 21-M71 Batteries

    Make sure power to the wheelchair is OFF before performing this section. The use of rubber gloves is recommended when working with batteries. Invacare strongly recommends that battery installation and battery replacement ALWAYS be done by a qualified technician. U1 batteries weight 18 pounds each. Use proper lifting techniques (lift with your legs) to avoid injury.

  • Page 160: Using The Proper Batteries

    SECTION 21—M71 BATTERIES Using the Proper Batteries NOTE: For this procedure, refer to FIGURE 21.1 on page 160. 1. Place battery on ground/flat surface. 2. Visually draw a horizontal and vertical centerline through the middle of battery (FIGURE 21.1). 3. Position the battery so that the terminals are above the horizontal centerline. 4.
  • Page 161 (not shown). 4. Disconnect the front battery from the controller (BLACK connector on the standard M71 OR RED connector on the M71 Formula PTO Plus). 5. Disconnect the rear battery from the front battery (GREY connector). 6. Lift the rear battery out of the battery tray using the battery handle or lifting strap.

  • Page 162: Connecting/Disconnecting Battery Cables

    SECTION 21—M71 BATTERIES Rear Battery GREY Connector Front Battery BLACK Connector on M71 Standard or RED Battery Handles Connector on M71 Formula PTO Plus Plug into Controller Battery Tray Rear of Wheelchair Front of Wheelchair NOTE: Seat not shown for clarity.
  • Page 163 SECTION 21—M71 BATTERIES CAUTION When connecting the battery cables to the batteries, the battery cables MUST be connected to the battery terminals as shown in FIGURE 21.3, DETAIL “B”, (depending on battery type), otherwise damage to the battery cable may result when installing battery terminal caps.
  • Page 164 BLACK Connector on NEGATIVE (-) Battery M71 Standard OR RED POSITIVE (+) GREY Connector Terminal Cap Connector on M71 Battery Formula PTO Plus Terminal Cap Tie-wraps Plug into Controller U1 Battery U1 Batteries NOTE: Handles on batteries removed for clarity.

  • Page 165: Charging Batteries

    1. Tilt the seat back. Refer to Tilting the Seat Assembly on page 81. 2. Disconnect the front battery from the controller (BLACK connector on the standard M71 OR RED connector on M71 Formula PTO Plus). 3. Disconnect the rear battery from the front battery (GREY connector).

  • Page 166: Battery Charger Operation

    SECTION 21—M71 BATTERIES WARNING READ and CAREFULLY follow the individual instructions for each charger (supplied or purchased). If charging instructions are not supplied, consult a qualified technician for proper procedures. CAUTION New batteries MUST be fully charged prior to initial use of the wheelchair. Always charge new batteries before initial use or battery life will be reduced.
  • Page 167 2. The On/Off LED indicator illuminates solid RED indicating that the charger is ON. 3. If the On/Off LED indicator is “blinking” RED, this is abnormal. Unplug AC power cord from the on-board battery charger and wall outlet. Contact Invacare at the number listed on the back page of this manual.
  • Page 168 SECTION 21—M71 BATTERIES Female Connector on AC Power Cord (connects to AC Receptacle on Charger) Male Connector on AC Power Cord (connects to wall outlet) Charger (hidden from view) AC Receptacle on Rear Shroud Charger To Wall Outlet ON/OFF INDICATOR STATUS SOLID RED Charger On...
  • Page 169 SAME time. Doing so will reduce the life of the batteries. CAUTION Only use a charger approved by Invacare when charging through the joystick on this wheelchair model. DO NOT use an independent charger with an output rating of over 8A (Amps).
  • Page 170 SECTION 21—M71 BATTERIES SPJ-80 Joystick DPJ Joystick MPJ Joystick SPJ+ Joystick Charger/Programming Charger/Programming Port Port Charger/ Charger/ Programming Programming Port Port MK6i MPJ+ Joystick Charger/Programming Port (On Front of Joystick) FIGURE 21.5 Charging Using an Independent Charger Plugged Into the Joystick ™...

  • Page 171: Section 22-Tdx Batteries

    Make sure power to the wheelchair is OFF before performing these procedures. The use of rubber gloves is recommended when working with batteries. Invacare strongly recommends that battery installation and battery replacement always be done by a qualified technician. 22NF batteries weigh 37 pounds each. GP24 batteries weigh 51 pounds each. Use proper lifting techniques (lift with your legs) to avoid injury.

  • Page 172: Using The Proper Batteries

    SECTION 22—TDX BATTERIES NOTE: If there is battery acid in the bottom of the battery tray or on the sides of the batteries, apply baking soda to these areas to neutralize the battery acid. Before reinstalling the existing or new batteries, clean the baking soda from the battery tray or batteries being sure to avoid contact with skin and eyes.

  • Page 173: Replacing Batteries

    SECTION 22—TDX BATTERIES Replacing Batteries NOTE: For this procedure, refer to FIGURE 22.2 on page 174. NOTE: The following tools are required to perform this procedure. • Wire Cutter 1. Remove the batteries from the wheelchair. Refer to Removing/Installing the Batteries From/Into the Wheelchair on page 175.
  • Page 174 SECTION 22—TDX BATTERIES 22NF Batteries GP24 Batteries BATTERY COVER AND BATTERY COVER AND TIE-WRAP DETAIL TIE-WRAP DETAIL BLACK Battery BLACK Battery RED Battery RED Battery Terminal Cover Terminal Cover Terminal Cover BLACK Terminal Cover Cover Cover BLACK Cover Cover Tie-Wrap Tie-Wrap Battery Wiring Bracket of...

  • Page 175: Removing/Installing The Batteries From/Into The Wheelchair

    SECTION 22—TDX BATTERIES Removing/Installing the Batteries From/Into the Wheelchair Removing the Battery Door and Rear Shrouds CAUTION Place the wheelchair in a well ventilated area where work can be performed with- out risking damage to carpeting or floor covering. NOTE: For this procedure, refer to FIGURE 22.3 on page 176 and FIGURE 22.4 on page 177. 1.
  • Page 176 SECTION 22—TDX BATTERIES Wheelchairs without TRRO or TRBKTS Thumb Screws (STEP 2) Disconnect Batteries from the controller here (STEP 9) Mounting Screw (STEP 6) Rear Shroud GP24 Batteries (STEP 3) with GP24 Battery Tray Mounting Screw (STEP 6) Battery Door (STEP 7) FIGURE 22.3 Removing the Battery Door and Rear Shrouds - Wheelchairs without TRRO or TRBKTS ™...
  • Page 177 SECTION 22—TDX BATTERIES Wheelchairs with TRRO Thumb Screws Thumb Screws (STEP 4) or TRBKTS (STEP 2) Top Controller Shroud (STEP 4) Disconnect Batteries from the controller here (STEP 9) Mounting Screw (STEP 6) Hex Screws (STEP 8) Rear Shroud (STEP 3) Mounting Screw (STEP 6) Locknuts Hex Screws (STEP 8)
  • Page 178 SECTION 22—TDX BATTERIES 2. Slide battery tray with batteries out. 3. Disconnect the battery straps. 4. Unplug front battery from rear battery. 5. Remove the front battery. 6. Slide the rear battery forward and remove it from the tray. Rear of Wheelchair DETAIL “A”...
  • Page 179 SECTION 22—TDX BATTERIES Installing Batteries into the Wheelchair NOTE: For this procedure, refer to FIGURE 22.5 on page 178 and FIGURE 22.6 on page 180. NOTE: Positioning of the batteries into the battery tray is completed with battery tray positioned in wheelchair and partially pulled out.
  • Page 180 SECTION 22—TDX BATTERIES Battery Connector DETAIL “A” Bracket Front of the Battery with Battery Battery Tray Connector Bracket Rear of the Battery Stop Battery Tray DETAIL “B” DETAIL “C” Connect front battery to rear battery HERE Battery Straps Rear Battery Front Battery FIGURE 22.6 Installing Batteries into the Wheelchair Installing the Battery Door and Rear Shroud...

  • Page 181: Cleaning Battery Terminals

    SECTION 22—TDX BATTERIES WARNING When installing batteries, ensure battery connector is securely engaged to the con- troller connector - otherwise serious personal injury may result. 4. Connect the controller to the batteries at the rear of the wheelchair. 5. Wheelchairs with TRRO and TRBKTS Only - Reinstall the top controller shroud using the two thumb screws (FIGURE 22.4 on page 177).

  • Page 182: When To Charge Batteries

    SECTION 22—TDX BATTERIES When to Charge Batteries SPJ+ Joysticks NOTE: For this procedure, refer to FIGURE 22.7. The Information Gauge Display located on the front of the joystick housing provides the state-of-battery charge, including notification of when the battery requires charging. It also provides the following information to the user on the status of the wheelchair: A.
  • Page 183 SECTION 22—TDX BATTERIES DPJ and SPJ-80 Joystick DPJ Joystick Joystick Mode Switch NOTE: For this procedure, refer to Battery FIGURE 22.9. Battery Charger/ Gauge Display The Battery Gauge Display (BGD) is a Programming Speed bar graph display located on the MK5 Port Control Knob joystick.

  • Page 184: Charging Batteries

    WARNING NEVER leave the charger unattended when the breaker has tripped. A fault condi- tion exists. Unplug and discontinue using immediately. Contact an Invacare dealer. NOTE: If performing the charging procedures independently, READ and CAREFULLY follow the individual instructions for each charger (supplied or purchased).
  • Page 185 NOTE: If the batteries need to be charged more often or take longer to charge than normal, they may need to be replaced. Contact an Invacare dealer for service. SPJ-80 Joystick...
  • Page 186 NOTES NOTES ™ Formula PTO Plus Powered Seating Part No 1125031...
  • Page 187 NOTES NOTES ™ Part No 1125031 Formula PTO Plus Powered Seating...

  • Page 188: 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 © 2016 Invacare Corporation. All rights One Invacare Way 570 Matheson Blvd E Unit 8 reserved.

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