Invacare 1164005 Assembly, Installation And Operating Instructions

Brand: Invacare

Model: 1164005

Type: Assembly, Installation And Operating Instructions

This manual is also suitable for

Part No 1150691 1 TDX®SP/TDX SR Stability Lock Service Kit

For more information regarding Invacare products, parts, and services,

please visit www.invacare.com

TDX®SP/TDX SR Stability Lock Service Kit

Kit No. 1164005, 1164006, 1164007 and 1164008

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.

Assembly, Installation and Operating Instructions

SAVE THESE INSTRUCTIONS

TDX®SP/TDX SR Stability Lock Service Kit 2 Part No 1150691

 DANGER

Risk of Death or Serious Injury

Electric shock can cause death or serious injury

To avoid electric shock, inspect plug and cord for cuts and/or frayed wires. Replace cut

cords or frayed wires immediately.

Failure to complete the inspection of the critical components

listed below could result in death or serious injury.

Inspect stability control components which could include anti-dive spring, anti-dive

cylinder, ratcheting gears, or end stops to ensure proper operation.

Inspect drive axle nut, locking tab, wheel fasteners or quick release to ensure drive

wheel is secure.

 WARNING

Risk of Serious Injury or Damage

Use of non-Invacare accessories may result in serious injury or damage.

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.

Attaching hardware that is loosely secured could cause loss of stability resulting in

serious injury or damage

After ANY adjustments, repair or service and before use, make sure that all attaching

hardware is tightened securely.

Risk of Serious Injury or Damage

Moving the seating system from the factory setting may reduce driver control,

wheelchair stability, traction and increase caster wear resulting in serious injury or

damage.

Move the seating system ONLY when necessary to fit the wheelchair to the user.

If the seating system must be moved, ALWAYS inspect the wheelchair to ensure the

front rigging DOES NOT interfere with the front casters.

If the seating system must be moved, ALWAYS inspect to ensure the wheelchair

DOES NOT easily tip forward or backward.

Improperly connecting the motor leads to the controller may cause injury or damage.

WHEELCHAIRS WITH G-TRAC: Crossing the motor leads (for example: connecting

the left motor lead into the right motor connector on the controller) may result in

unintended movement.

DO NOT cross the motor leads when connecting the motors to the controller -

otherwise injury or damage may occur.

 WARNING

Risk of Minor to Serious Injury

Pinch points can cause minor to serious injury.

Be mindful of potential pinch points and use c\aution when using this product.

Part No 1150691 3 TDX®SP/TDX SR Stability Lock Service Kit

 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. 1144661) 2

3/4 OD X 1/2 ID X 1/16-inch washer (THICK) 2

3/4 OD X 1/2 ID X 1/32-inch washer (THIN) 2

NOTE: One of the two THICK washers will be used as a 1/16-inch gauge.

NOTE: It may not be necessary to install the THIN washers.

KIT 1164006 - DESCRIPTION QUANTITY

100N Locking-Gas Cylinder with Guide Block Clamp (Part No. 1144661) 2

KIT 1164007 - DESCRIPTION QUANTITY

150N Locking Gas-Cylinder with Guide Block Clamp (Part No. 1144655) 2

3/4 OD X 1/2 ID X 1/16-inch washer (THICK) 2

3/4 OD X 1/2 ID X 1/32-inch washer (THIN) 2

NOTE: One of the two THICK washers will be used as a 1/16-inch gauge.

NOTE: It may not be necessary to install the THIN washers.

KIT 1164008 - DESCRIPTION QUANTITY

150N Locking Gas-Cylinder with Guide Block Clamp (Part No. 1144655) 2

TDX®SP/TDX SR Stability Lock Service Kit 4 Part No 1150691

Service Kit Installation Checklist

Ensure the following steps have been performed before returning the wheelchair to use.

❑ Replace the locking-gas cylinder. Refer to Removing the Existing Locking-Gas

Cylinder on page 4.

❑ If necessary, install the washers included in kits 1164005 and 1164007. Refer to

Installing the Washers Included in Kits 1164005 and 1164007 - TDX SP Only on

page 20.

❑ Reinstall the front battery. Refer to Installing the Front Battery on page 24.

❑ Wheelchairs with Formula

™

CG Seating Systems Only: Check Seating system for

proper mounting position. Refer to Checking Seating System Mounting Position on

page 26.

❑ Verify the locking-gas cylinder setting. Refer to Verifying the Locking-Gas Cylinder

Setting on page 29.

❑ Check the stability lock function. Refer to Checking the Stability Lock Function on

page 31.

Removing the Existing Locking-Gas Cylinder

Removing the Front Shroud/Battery Retention Bracket,

Battery and Rear Shroud from Wheelchair

 WARNING

A pinch point may occur when returning the tilted seat to the full upright position or

when lowering the elevating seat. Make sure the hands and body of attendants and

bystanders are clear of all pinch points before lowering the seat or returning the tilted

seat to the full upright position.

CAUTION

Place the wheelchair in a well ventilated area where work can be performed

without risking damage to carpeting or floor covering.

NOTE: For this procedure, refer to FIGURE 1 on page 6.

NOTE: These procedures apply to both sides of the wheelchair.

NOTE: It is recommended that an assistant be present when lifting the wheelchair frame.

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)

• Video Instructions - Cylinder Replacement

Part No 1150691 5 TDX®SP/TDX SR Stability Lock Service Kit

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. Put the joystick On/Off switch in the Off position.

4. Remove the three 5/16-18 X 1/2-inch long pan head screws that secure the rear shroud

to the wheelchair.

5. Remove the rear shroud from the wheelchair.

NOTE: The front shroud and battery retention bracket are removed from the wheelchair frame as

a single unit.

6. Remove the two 5/16-18 X 5/8-inch long socket head screws securing the front

shroud/battery retention bracket to the wheelchair.

7. Lift up to unhook the battery retention bracket from the wheelchair frame and remove

the front shroud/battery retention bracket from the wheelchair.

8. Wheelchairs without Elevating Seat Only -

A. Disconnect the controller from the batteries at the rear of the wheelchair.

B. Slide battery tray with batteries out.

9. Disconnect the battery straps (wheelchairs without elevating seat) or battery strap

(wheelchairs with elevating seat).

10. Disconnect front battery from rear battery.

11. Remove the front battery.

12. Wheelchairs without Elevating Seat Only - Slide the battery tray and rear battery back

into position underneath the seat.

13. Place two 5-inch blocks under battery frame to lift frame off the ground for ease in

performing this procedure.

NOTE: DO NOT continue disassembly if the wheelchair is unstable. Adjust the support block as

necessary until the wheelchair is stable - otherwise, injury or damage may occur

TDX®SP/TDX SR Stability Lock Service Kit 6 Part No 1150691

FIGURE 1 Removing the Front Shroud/Battery Retention Bracket, Battery and Rear Shroud

from Wheelchair

Front Shroud

Disconnect

Batteries from the

Controller Here

5/16-18 X 1/2-inch Long

Pan Head Screws

Rear

Shroud

Battery Retention

Bracket

5/16-18 X 5/8-inch Long

Socket Head Screws

NOTE: Battery retention bracket and front

shroud shown separated for clarity

Wheelchair Frame

(Battery Retention

Bracket Hooks to

Wheelchair Frame

Here)

NOTE: Battery tray

shown removed for

clarity.

Disconnect Front

Battery from Rear

Battery Here

Rear

Battery

Front Battery

Battery Straps

Battery Tray

Battery Strap

Rear Battery Lead

Battery

Box

Front Battery

NOTE: TDX SP shown.

Disconnect Front Battery

from Rear Battery Here

Front

Shroud

Battery Retention Bracket

5/16-18 X 5/8-inch

Long Socket Head

Screws

NOTE: Battery retention bracket and

front shroud shown separated for clarity

Wheelchair Frame

(Battery Retention Bracket Hooks

to Wheelchair Frame Here)

Wheelchairs with Elevating Seat

NOTE: TDX SP shown.

Wheelchairs without Elevating Seat

Part No 1150691 7 TDX®SP/TDX SR Stability Lock Service Kit

Removing/Installing the Drive Wheel/Rim and Tire

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.

ii. Remove the drive wheel from the wheel hub.

iii. Repeat STEPS i-iii on opposite side of the wheelchair frame.

•TDX SR

 DANGER

If wheelchair is equipped with pneumatic tires, deflate the tire before removing rim.

Otherwise, the rim and hardware will become projectiles and cause serious per-

sonal injury and/or damage to surrounding property.

i. If equipped with pneumatic tires, deflate tires before removing drive wheel

from the wheel hub.

ii. Remove the five M8X1.25 X 16mm long cap screws that secure the rim and tire

to the Gerless/Brusshless GB

™

motor.

iii. Remove the rim and tire from the GB motor assembly

iv. Remove the two screws that attach the side shroud to the walking beam.

v. Remove the side shroud.

vi. Repeat STEPS i-iv on opposite side of the wheelchair frame.

TDX®SP/TDX SR Stability Lock Service Kit 8 Part No 1150691

FIGURE 2 Removing/Installing the Drive Wheel/Rim and Tire

Removing the Front Bumpers

NOTE: For this procdure, refer to FIGURE 3.

1. Remove the 5/16-18 keps nut and .328 X

.75 X .060 washer securing the bumper

to the wheelchair frame.

2. Remove the bumper from wheelchair

frame.

3. Repeat STEPS 1-2 to remove remaining

bumper.

4. Repeat STEPS 1-2 to remove the two

bumpers on the other side.

FIGURE 3 Removing the Front Bumpers

Drive Wheel

Wheel Hub

5/16-18 X .88-inch

Long Cap Screws

NOTE: Wheel hub shown

removed from motor.

M8X1.25 X 16mm

Long Cap Screws

Rim and Tire

GB Motor

DETAIL “A” - TDX SP

DETAIL “B” - TDX SR

Side Shroud

Walking Beam

Screw

Bumper

5/16-18 Keps Nut

.328 X. 75 X .060 Washer

Part No 1150691 9 TDX®SP/TDX SR Stability Lock Service Kit

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.

B. Remove the mounting screw and threaded post securing the top loop of the

walking beam spring to the walking beam assembly or remove the walking beam

lower loop from the stud located on the wheelchair base frame.

C. Lower the front head tube.

D. Repeat STEPS A-C on opposite side of the wheelchair frame.

FIGURE 4 Disconnecting The Walking Beam Spring - TDX SR Only

Removing the Walking Beam Assembly

NOTE: For this procedure, refer to FIGURE 5 on page 10.

NOTE: Take note of position and orientation of tie-wraps and wiring prior to removing tie-wraps.

1. Cut tie-wraps that secure the motor cable to the base frame.

2. Disconnect the motor lead from the controller.

3. Rotate the walking beam assembly until the 5/16 X 2.50-inch long socket head

shoulder screw aligns with the circular opening in the battery box.

4. Remove the 1/4-20 locknut securing the 5/16 X 2.50-inch long socket head shoulder

screw and the locking-gas cylinder to the walking beam.

5. Push the 5/16 X 2.50-inch long socket head shoulder screw towards the base frame and

the locking-gas cylinder is free from the walking beam assembly.

6. Position the locking-gas cylinder against the wheelchair frame.

Walking Beam Assembly

Front

Headtube

Walking Beam Spring

(Top Loop)

Threaded Post

Stud

Walking Beam Spring

(Lower Loop)

Wheelchair Base Frame

TDX®SP/TDX SR Stability Lock Service Kit 10 Part No 1150691

7. Remove the two 1/2-20 locknuts and .505 X 1.124 X .100 inch washers or washer plate

securing the lower pivot link and walking beam assembly to the two battery box

mounting pins.

NOTE: A coved washer is located between the walking beam assembly and the base frame.

8. Slide the walking beam assembly and lower pivot link out, away from the wheelchair

frame and off the battery box mounting pins.

9. Repeat STEPS 1-8 on opposite side of the wheelchair frame.

FIGURE 5 Removing the Walking Beam Assembly

Removing The Locking-Gas Cylinder Assembly

NOTE: For this procedure, refer to FIGURE 6 on page 12.

NOTE: Depending on the date of manufacture, the stability lock boot will be secured to the

wheelchair frame by a tie-wrap or 10-32 hex head screw.

1. Remove the stability lock boot.

2. Perform one of the following:

NOTE: To improve access to the 1/4-20 X .63 -inch long socket head screws, use a long, ball head

allen wrench or remove the two 1/4-20 X 5/8-inch long flat head screws and nylon spacers allowing

the rear frame to tilt away from the base frame.

• 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.

Base

Frame

Walking Beam Assembly

5/16 X 2.50

Socket Head

Shoulder Screw

Circular Openings in

the Battery Box

1/4-20 Locknut

Locking-Gas Cylinder

1/2-20 Locknuts

.505 X 1.124 X .100 inch Washers

Washer Plate

Coved

Spacer

Lower Pivot Link

Motor Lead

Controller

(Located at rear of

wheelchair base frame)

NOTE: TDX

SP Built After

3/4/07 shown.

Part No 1150691 11 TDX®SP/TDX SR Stability Lock Service Kit

• 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.

NOTE: If the locking-gas cylinder is forced against the vertical member of the battery box and will

not move, while lifting the rear suspension to de-activate the locking mechanism, use a rubber

mallet to knock the locking-gas cylinder downward to relieve force holding the locking-gas cylinder

in place.

4. Push the locking- gas cylinder towards the rear of the wheelchair and pull the

locking-gas cylinder away from the base frame.

5. Remove the locking-gas cylinder from the base frame guide block.

6. Repeat STEPS 1-5 to remove the locking-gas cylinder on opposite side of the

wheelchair frame.

TDX®SP/TDX SR Stability Lock Service Kit 12 Part No 1150691

FIGURE 6 Removing The Locking-Gas Cylinder Assembly

Installing the New Locking-Gas Cylinder

Installing the Locking-Gas Cylinder Assembly

NOTE: For this procedure, refer to FIGURE 7 on page 14.

NOTE: These procedures apply to both sides of the wheelchair.

NOTE: It is recommended that an assistant be present when lifting the wheelchair frame.

1. Apply Super Lube

Multi Purpose Grease w/PTFE (Teflon

) or other silicon based

grease to the pivot ball of the new locking gas cylinder where it engages the guide

block and guide block clamp.

2. Position the pivot ball into the base frame guide block.

3. Perform one of the following:

Base

Frame

Plate

Spacers

Locking-Gas Cylinder

1/4-20 X .63-inch Long

Socket Head Screws

Boot

Plate

Base Frame

Guide Block

Guide Block Clamp

Tie-wrap

Stability Lock Boot

Battery Box

1/4-20 X 5/8-inch Flat Head

Screws and Nylon Spacers

Circular Opening

Locking-Gas Cylinder

DETAIL “A” DETAIL “B”

Rear

Suspension

Base

Frame

Locking-Gas Cylinder

1/4-20 X .63-inch Long

Socket Head Screws

Guide Block Clamp

10-32 Hex Head

Screw

Stability Lock Boot

Base Frame

Guide Block

Vertical

Member

Locating Bracket

Part No 1150691 13 TDX®SP/TDX SR Stability Lock Service Kit

NOTE: Before installing, apply a small amount of Loctite

242 to the threads of the socket head cap

screws.

• TDX SP Built Before 3/5/07 - Using the two 1/4-20 X .63-inch long socket head

screws, spacers, and plate secure the boot plate to the base frame guide block and

the guide block clamp. 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 ± 20% (Detail “B” - FIGURE 7 on page 14).

4. Holding the locking-gas cylinder in position, lift the rear suspension and depress the

pivot ball pin to de-activate the locking mechanism of the locking-gas cylinder.

NOTE: If necessary, use the vertical member of the battery box to assist with compressing the

locking-gas cylinder. While lifting the rear suspension to de-activate the locking mechanism,

position the loose end of the locking-gas cylinder against the vertical member of the battery box and

lift up on the locking gas cylinder until the locking-gas cylinder fits into the locating bracket and

aligns with the circular opening.

5. Pushing the locking-gas cylinder towards the rear of the wheelchair, position the

locking-gas cylinder against the base frame into the locating bracket so that the end

aligns with the circular opening in the battery box.

6. Repeat STEP 1-STEP 5 if installing the locking-gas cylinder on opposite side of the

wheelchair frame.

TDX®SP/TDX SR Stability Lock Service Kit 14 Part No 1150691

FIGURE 7 Installing the Locking-Gas Cylinder Assembly

Installing the Walking Beam Assembly

NOTE: For this procedure, refer to FIGURE 8 on page 15.

1. Apply Super Lube Multi Purpose Grease w/PTFE (Teflon) or other silicon based

grease to the walking beam mounting pins.

NOTE: A coved washer is located between the base frame and the walking beam assembly and

lower pivot link.

2. Install the walking beam assembly, lower pivot link and coved spacers onto the

walking beam mounting pins.

3. Using the 1/2-20 locknuts and .505 X 1.124 X .100 inch washers or washer plate, secure

the walking beam assembly and lower pivot link to the base frame. Torque to 13 ft-lbs

± 20%, then back off 1/4 turn.

Base

Frame

Plate

Spacers

Locking-Gas Cylinder

1/4-20 X .63-inch Long

Socket Head Screws

Boot

Plate

Base Frame

Guide Block

Guide Block Clamp

Tie-wrap

Stability Lock Boot

Battery

Box

1/4-20 X 5/8-inch Flat Head

Screws and Nylon Spacers

Circular Opening

Locking-Gas Cylinder

DETAIL “A” DETAIL “B”

Rear

Suspension

Base

Frame

Locking-Gas Cylinder

1/4-20 X .63-inch Long

Socket Head Screws

Guide Block Clamp

10-32 Hex Head

Screw

Stability Lock Boot

Base Frame

Guide Block

Vertical

Member

Locating Bracket

Part No 1150691 15 TDX®SP/TDX SR Stability Lock Service Kit

4. Rotate the walking beam assembly until aligns with the circular opening in the battery

box and the locking-gas cylinder.

5. Push the 5/16 X 2.50 socket head shoulder screw through the locking-gas cylinder and

the walking beam assembly.

6. Using the 1/4-20 locknut, secure the 5/16 X 2.50-inch long socket head shoulder screw

and the locking-gas cylinder to the walking beam. Torque to 75 in-lbs ± 20%.

7. Connect the motor connector to the controller.

8. Use tie-wraps to secure the motor cable to the wheelchair frame in the same position

and orientation noted before disconnecting the motor lead from the controller.

9. Repeat STEPS 1-8 to install the locking-gas cylinder on opposite side of the wheelchair

frame.

FIGURE 8 Installing the Walking Beam Assembly

Base

Frame

Walking Beam Assembly

5/16 X 2.50-inch

Long Socket Head

Shoulder Screw

Circular Opening in

the Battery Box

1/4-20 Locknut

Locking-Gas Cylinder

1/2-20 Locknuts

.505 X 1.124 X .100 inch Washers

Washer Plate

Coved

Spacer

Lower Pivot Link

Motor Lead

Controller

(Located at rear of

wheelchair base frame)

NOTE: TDX SP

Built After 3/4/07

shown.

TDX®SP/TDX SR Stability Lock Service Kit 16 Part No 1150691

Checking the Actuator Function

NOTE: For this procedure, refer to FIGURE 9.

1. With the 3-½ to 5-inch block under the rear portion of the battery box, check to see if

the stability lock pin projects out from the brass end of the stability lock actuator

approximately 3/16 inches and the elevator bolt is not touchong the release pin (Detail

“A”).

2. Push down on the back end of the motor and observe for one of the following:

• 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).

FIGURE 9 Checking the Actuator Function

Connecting The Walking Beam Spring - TDX SR Only

NOTE: For this procedure, refer to FIGURE 10.

1. TDX SR Only: Perform the following to connect the walking beam spring:

A. Lift the front caster head tube up to lower the rear of the walking beam.

B. Position the top loop of the walking beam spring onto the threaded post.

C. Using the mounting screw, secure the threaded post and walking beam spring to

the walking beam or position the walking beam spring lower loop onto the stud on

the wheelchair base frame.

D. Lower the front head tube.

E. Repeat STEPS A - D on opposite side of the wheelchair frame.

Elevator

Bolt

Release

Approximately

3/16-inch

Motor (Back End)

DETAIL “A”

3-1/2 to 5-inch Block

Part No 1150691 17 TDX®SP/TDX SR Stability Lock Service Kit

FIGURE 10 Connecting The Walking Beam Spring - TDX SR Only

Installing the Front Bumpers

NOTE: For this procedure, refer to

FIGURE 11.

1. Position the front bumper onto the

wheelchair frame.

2. Using the 5/16-18 keps nut and .328 X

.75 X .060 washer, secure the front

bumper to the wheelchair frame.

3. Repeat STEPS 1-2 to install the

remaining bumper.

4. Repeat STEPS 1-2 to install the two

bumpers on other side.

FIGURE 11 Installing the Front Bumpers

Installing the Drive Wheel/Rim and Tire

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.

iii. Using the five 5/16-18 X .88-inch long cap screws, secure the drive wheel to the

wheel hub. Torque to 160 in-lbs.

iv. Repeat STEPS i-iii on opposite side of the wheelchair frame.

Walking Beam Assembly

Front

Headtube

Walking Beam Spring

(Top Loop)

Threaded Post

Stud

Walking Beam Spring

(Lower Loop)

Wheelchair Base Frame

Front Bumpers

5/16-18 Keps Nut

.328 X. 75 X .060 Washer

TDX®SP/TDX SR Stability Lock Service Kit 18 Part No 1150691

• TDX SR With Flat Free Tire Only (FIGURE 13) -

NOTE: In order to install the flat-free tire properly, the tire MUST be compressed to a

certain point to allow the use of the 16 mm long mounting screws. This is accomplished by

first using three M8 X 1.25 X 22mm long mounting screws (not included in kit) threaded

into every other mounting hole. The longer mounting screws are not to be threaded

completely into the GB motor. They are to be threaded 1/4 inch only to provide

compression of the flat free tire.

i. Using the two screws, secure the side shroud to the walking beam.

ii. Attach the rim and tire to the GB motor with three M8 x 1.25 x 22 mm long

mounting screws (available from Invacare, Part No. 1153683) in every other

mounting hole in the rim.

iii. Once the three M8 x 1.25 x 22 mm long screws are in place, install one shorter

mounting screw in each of the two remaining mounting holes.

iv. Remove one longer mounting screw at a time and install the M8 x 1.25 x 16 mm

long mounting screws.

v. Torque all mounting screws to 13 ft-lbs.

vi. Repeat STEPS i-v on opposite side of the wheelchair frame.

• TDX SR With Pneumatic Tire Only (FIGURE 14) -

i. Using the two screws, secure the side shroud to the walking beam.

ii. Secure existing rim and existing pneumatic tire (with new tube, if applicable)

to the gearless/brushless motor and torque the five (5) mounting screws to 160

in-lbs.

iii. Inflate tire to proper tire pressure located on the side wall of the tire.

FIGURE 12 Installing the Drive Wheel/Rim and Tire - TDX SP

Drive Wheel

Wheel Hub

5/16-18 X .88-inch

Long Cap Screws

NOTE: Wheel hub shown

removed from motor.

Part No 1150691 19 TDX®SP/TDX SR Stability Lock Service Kit

FIGURE 13 Installing the Drive Wheel/Rim and Tire - TDX SR With Flat Free Tire Only

FIGURE 14 Installing the Drive Wheel/Rim and Tire - TDX SR With Pneumatic Tire Only

6. Perform one of the following:

• 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.

M8X1.25 X 16mm

Long Cap Screws

Rim and Tire

GB Motor

Side Shroud

Walking Beam

Screw

Mounting Screws

Rim

Tire

GB Motor

TDX®SP/TDX SR Stability Lock Service Kit 20 Part No 1150691

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).

2. Perform one of the following:

• Wheelchair with Button Head Screw - Install washer kit. Proceed to STEP 3.

• Wheelchair with Flat Head Screw - Washers are not required. DO NOT install

washers. Proceed to Installing the front battery. Refer to Installing the Front Battery

on page 24.

FIGURE 15 Identifying Mounting Screw Type

3. Ensuring the block is under the battery box only (FIGURE 16), place a 3-½ to 5-inch

block under the rear portion of the battery box to elevate the wheelchair.

FIGURE 16 Elevating The Wheelchair

Button Head

Screw

Rear Suspension Assembly

DETAIL “A” - BUTTON HEAD SCREW DETAIL “B” - FLAT HEAD SCREW

Wheelchair

Frame

Wheelchair

Frame

Flat Head

Screw

Rear Suspension

Assembly

Rear Portion of

The Battery Box

3-1/2 to 5-inch Block

Wheelchair

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Invacare 1164005 Assembly, Installation And Operating Instructions

Brand: Invacare

Model: 1164005

Type: Assembly, Installation And Operating Instructions

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