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Invacare TDX SP Assembly, Installation And Operating Instructions
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Invacare TDX SP Assembly, Installation And Operating Instructions

Stability lock service kit
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TDX®SP/TDX SR Stability Lock Service Kit
Assembly, Installation and Operating Instructions
Kit No. 1164005, 1164006, 1164007 and 1164008
SAVE THESE INSTRUCTIONS
NOTE: Check all parts for shipping damage. In case of damage, DO NOT use. Contact
Carrier/Invacare for further instructions.
SAFETY SUMMARY
To ensure the safe installation of the stability lock service kits, these instructions must be
followed:
DANGER
Risk of Death, Serious Injury or Damage
Improper use of this product may cause injury or damage
If you are unable to understand the warnings, cautions or instructions, contact a health
care professional or dealer before attempting to use this equipment.
DO NOT use this product or any available optional equipment without first completely
reading and understanding these instructions and any additional instructional material
such as user manual, service manuals or instruction sheets supplied with this product or
optional equipment.
Incorrect repair and/or servicing of this wheelchair performed by users/caregivers or
unqualified technicians can result in death, serious injury, or damage.
Users/Caregivers — DO NOT attempt to repair and/or service this wheelchair.
Repair and/or service of this wheelchair MUST be performed by a qualified technician.
Contact a dealer or Invacare technician.
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.
Missing attaching hardware could cause instability resulting in death, serious injury or
damage.
Ensure all attaching hardware is present and tightened securely.
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.
Wheelchairs that are used by incontinent users and/or are frequently exposed to
water/liquids may require replacement of electrical components more frequently.
For more information regarding Invacare products, parts, and services,
please visit www.invacare.com
1
Part No 1150691
TDX®SP/TDX SR Stability Lock Service Kit

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Summary of Contents for Invacare TDX SP

  • Page 1 MUST be replaced immediately. Wheelchairs that are used by incontinent users and/or are frequently exposed to water/liquids may require replacement of electrical components more frequently. For more information regarding Invacare products, parts, and services, please visit www.invacare.com Part No 1150691...
  • Page 2 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. DO NOT use non-Invacare accessories. To obtain Invacare accessories, contact Invacare by phone or at www.invacare.com.

  • Page 3: Kit Descriptions

    WARNING Make sure wheelchair is Off and user is removed from wheelchair before performing this procedure. CAUTION Place the wheelchair in a well ventilated area where work can be performed without risking damage to carpeting or floor covering. Kit Descriptions KIT 1164005: DESCRIPTION QUANTITY 100N Locking-Gas Cylinder with Guide Block Clamp (Part No.
  • Page 4 NOTE: For further information refer to Invacare.com, Technical Zone, TDX SP stability lock (Invacare Pro account required): NOTE: TDX SP shown in video instructions. Procedures will be similar for the TDX SR. • Video Instructions (Installing washers included with kits 1164005 and 1164007) •...
  • Page 5 1. Lower and/or tilt the seat to the full upright position. Refer to the Owner’s Manual supplied with the wheelchair seating system. 2. If applicable, remove the footrest. Refer to the Owner’s Manual supplied with the seating system for the wheelchair. 3.
  • Page 6 Wheelchairs without Elevating Seat NOTE: TDX SP shown. 5/16-18 X 1/2-inch Long NOTE: Battery retention bracket and front Pan Head Screws shroud shown separated for clarity Disconnect Battery Retention Wheelchair Frame Batteries from the Bracket (Battery Retention Controller Here Bracket Hooks to...
  • Page 7 NOTE: For this procedure, refer to FIGURE 2 on page 8. 1. Perform one of the following to remove the drive wheels: • TDX SP i. Remove the five 5/16-18 X .88-inch long cap screws securing the drive wheel to the wheel hub.
  • Page 8 DETAIL “A” - TDX SP Wheel Hub NOTE: Wheel hub shown removed from motor. 5/16-18 X .88-inch Drive Wheel Long Cap Screws DETAIL “B” - TDX SR Walking Beam Screw Screw Side Shroud GB Motor M8X1.25 X 16mm Rim and Tire...
  • Page 9 Disconnecting The Walking Beam Spring - TDX SR Only NOTE: For this procedure, refer to FIGURE 4. 1. TDX SR Only: Perform the following to disconnect the walking beam spring: A. Lift the front caster head tube up to lower the rear of the walking beam and reduce tension on the walking beam spring.
  • Page 10 • TDX SP Built Before 3/5/07 (Detail “A” - FIGURE 6 on page 12) - Remove the two 1/4-20 X .63 socket head screws, spacers, and plate securing the boot plate to the base frame guide block and the guide block clamp.
  • Page 11 • TDX SP Built After 3/4/07 and TDX SR (Detail “B” - FIGURE 6 on page 12) - Remove the two 1/4-20 X .63 socket head screws securing guide block clamp to the base frame guide block. 3. Lift the rear suspension and depress the pivot ball pin to de-activate the locking mechanism of the locking-gas cylinder.
  • Page 12 DETAIL “A” DETAIL “B” Stability Lock Boot Stability Lock Boot Spacers 1/4-20 X .63-inch Long Plate Socket Head Screws Base Frame Boot Base Frame Guide Block Plate Guide Block Tie-wrap Base Base Frame Frame 10-32 Hex Head 1/4-20 X .63-inch Long Screw Socket Head Screws Guide Block Clamp...
  • Page 13 Torque to 75 in-lbs ± 20% (Detail “A” - FIGURE 7 on page 14). • TDX SP Built After 3/4/07 and TDX SR - Using the two 1/4-20 X .63-inch long socket head screws secure guide block clamp to the base frame guide block. Torque to 75 in-lbs ±...
  • Page 14 DETAIL “A” DETAIL “B” Stability Lock Boot Stability Lock Boot Spacers 1/4-20 X .63-inch Long Plate Socket Head Screws Base Frame Boot Base Frame Guide Block Plate Guide Block Tie-wrap Base Base Frame Frame 10-32 Hex Head 1/4-20 X .63-inch Long Screw Socket Head Screws Guide Block Clamp...
  • Page 15 9. Repeat STEPS 1-8 to install the locking-gas cylinder on opposite side of the wheelchair frame. Controller Circular Opening in NOTE: TDX SP (Located at rear of the Battery Box Built After 3/4/07 wheelchair base frame) shown.
  • Page 16 • If the motor does not move downward, the actuator is locking. i. To lower the motor, lift the rear suspension assembly until the elevator bolt pushes the release pin in. • If the motor moves downward the actuator is not locking. contact Invacare Technical Service (800-832-4707). Motor (Back End) Approximately DETAIL “A”...
  • Page 17 NOTE: For this procedure, refer to FIGURE 13 on page 19. 5. Reinstall the drive wheels. Perform one of the following: • TDX SP Only (FIGURE 12) - i. Apply Loctite 242 to the five 5/16-18 cap screws. ii. Align drive wheel with the wheel hub.
  • Page 18 Inflate tire to proper tire pressure located on the side wall of the tire. Wheel Hub NOTE: Wheel hub shown removed from motor. 5/16-18 X .88-inch Drive Wheel Long Cap Screws FIGURE 12 Installing the Drive Wheel/Rim and Tire - TDX SP TDX®SP/TDX SR Stability Lock Service Kit Part No 1150691...
  • Page 19 • Kits 1164005 and 1164007 - Install the washers supplied in kit. Refer to Installing the Washers Included in Kits 1164005 and 1164007 - TDX SP Only on page 20. • Kits 1164006 and 1164008 - Reinstall the front battery. Refer to Installing the Front Battery on page 24.
  • Page 20 Installing the Washers Included in Kits 1164005 and 1164007 - TDX SP Only NOTE: For this procedure, refer to FIGURE 15, FIGURE 16, FIGURE 17 on page 21, and FIGURE 18 on page 22. 1. Identify mounting screw type (button head or flat head) securing the rear suspension assembly to the wheelchair frame (FIGURE 15).
  • Page 21 4. Perform one the following (Detail “A” of FIGURE 17): • Wheelchairs built before 02/2007 - i. Using a pair of 5/16-inch allen wrenches or allen drive sockets (one on each side to prevent rotation of the pivot bar), remove one of the two button head screws and rear pivot bushings that secure the rear suspension assembly to the wheelchair frame.
  • Page 22 9. With the wheelchair still supported by a 3-½ to 5-inch block, inspect the rear suspension assembly by performing the following and comparing results to Rear Suspension Assembly Inspection on page 23: A. Grasping the rear caster head tubes, lift up, then let go, allowing the rear suspension assembly to fall away from the wheelchair frame under the force of gravity alone (Detail “A”...
  • Page 23 • Minimum 1/16-inch gap between the pivot bushing can not be removed, contact elevator bolts and release pins is not Invacare Technical Service (800-832-4707). achieved. After adding one THIN washer. Repeat STEPS 2-7 to add a second THIN washer to the rear pivot bushing already •...
  • Page 24 Installing the Front Battery WARNING Risk of Serious Injury Improperly installed battery tray can cause instability resulting in serious injury. Ensure batteries and battery tray are installed properly to maintain stability. NOTE: For this procedure, refer to FIGURE 19 on page 25. 1.
  • Page 25 12. Verify the locking-gas cylinder setting. Refer to Verifying the Locking-Gas Cylinder Setting on page 29. Wheelchairs without Elevating Seat NOTE: TDX SP shown. NOTE: Battery retention bracket and front 5/16-18 X 1/2-inch Long Pan Head Screws shroud shown separated for clarity...
  • Page 26 Checking Seating System Mounting Position NOTE: For this procedure, refer to FIGURE 20. NOTE: These instructions apply to elevate power seating (tilt elevate, tilt recline elevate, and elevate only). 1. Determine mounting position: • Wheelchairs with Swing Away Front Rigging (Detail “A”) - i.
  • Page 27 Adjusting the Seating System Mounting Position NOTE: For this procedure, refer to FIGURE 21 on page 28 and FIGURE 20 on page 26. NOTE: These instructions apply to elevate power seating (tilt elevate, tilt recline elevate, and elevate only). 1. Loosen, but DO NOT remove, the four hex screws and locknuts securing the seat frame mounting bracket to the interface mounting bracket.
  • Page 28 Hex Screws Rear of Wheelchair Formula CG Seating System (Base Only Shown) Seat Frame Mounting Bracket Interface Mounting Bracket Locknut Locknuts FIGURE 21 Adjusting the Seating System Mounting Position TDX®SP/TDX SR Stability Lock Service Kit Part No 1150691...
  • Page 29 Verifying the Locking-Gas Cylinder Setting NOTE: For this procedure, refer to FIGURE 22. NOTE: Depending on the date of manufacture, the stability lock boot will be secured to the wheelchair frame by a tie-wrap or mounting screw. 1. If necessary, remove the two stability lock boots. 2.
  • Page 30 Adjusting the Locking-Gas Cylinder Lock Setting NOTE: For this procedure, refer to FIGURE 23. NOTE: Depending on the date of manufacture, the stability lock boot will be secured to the wheelchair frame by a tie-wrap or mounting screw. 1. Ensure all six wheels of the wheelchair are in contact with the floor or work surface. 2.
  • Page 31 • The rear casters remain in contact with the floor or rise less than 1/4-inch. 5. If stability lock does not function, A. Recheck all work performed and the torque amounts. B. If stability lock still does not function, contact Invacare Technical Service (800-832-4707). Back Canes...
  • Page 32 Invacare. Trademarks are 800-333-6900 L4Z 4G4 Canada identified by ™ and ®. All trademarks are owned 800-668-5324 by or licensed to Invacare Corporation or its Invacare Technical Service subsidiaries unless otherwise noted. 800-832-4707 Loctite is a registered trademark of Loctite Corporation.

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