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OWNER'S OPERATOR AND
MAINTENANCE MANUAL
ORBIT SEAT OPTION
ON
POWER TIGER BASE
2
WARNING
W
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SAVE THESE INSTRUCTIONS
WARNING
DO NOT OPERATE THIS EQUIPMENT WITHOUT FIRST
READING AND UNDERSTANDING THE INFORMATION IN THIS
SUPPLEMENTAL MANUAL AND THE OWNER’S MANUAL. IF YOU ARE
UNABLE TO UNDERSTAND THE WARNINGS, CAUTIONS, AND IN-
STRUCTIONS, CONTACT A HEALTHCARE PROFESSIONAL, DEALER OR
TECHNICAL PERSONNEL IF APPLICABLE BEFORE ATTEMPTING TO USE
THIS EQUIPMENT - OTHERWISE INJURY OR DAMAGE MAY RESULT.
ALL PROCEDURES IN THIS MANUAL SUPERCEDE ANY DUPLICATED
PROCEDURES FOUND IN THE POWER TIGER OWNER’S MANUAL,
PART NUMBER 1045938.
THE INITIAL SET UP OF THIS WHEELCHAIR MUST BE PERFORMED BY AN
AUTHORIZED INVACARE DEALER OR QUALIFIED TECHNICIAN.
SPECIAL NOTES
WARNING/CAUTION notices as used in this manual apply to hazards or unsafe practices which could
result in personal injury or property damage.
NOTICE
THE INFORMATION CONTAINED IN THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE.
WHEELCHAIR USER
As a manufacturer of wheelchairs, Invacare endeavors to supply a wide variety of Action 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.
WHEELCHAIR TIE-DOWN RESTRAINTS AND SEAT POSITIONING STRAPS
Invacare recommends that Action wheelchair users NOT be transported in vehicles of any kind while
in wheelchairs. As of this date, the Department of Transportation has not approved any tie-down sys-
tems for transportation of a user while in a wheelchair, in a moving vehicle of any type.
It is Invacare’s position that users of Action wheelchairs should be transferred into appropriate seating
in vehicles for transportation and use be made of the restraints made available by the auto industry.
Invacare cannot and does not recommend any wheelchair transportation systems.
AS REGARDS RESTRAINTS - SEAT POSITIONING STRAPS - IT IS THE OBLIGATION OF THE DME DEALER, THERA-
PISTS AND OTHER HEALTHCARE PROFESSIONALS TO DETERMINE IF A SEATING POSITIONING STRAP IS
REQUIRED TO ENSURE THE SAFE OPERATION OF THIS EQUIPMENT BY THE USER. SERIOUS INJURY CAN
OCCUR IN THE EVENT OF A FALL FROM A WHEELCHAIR.
3
TABLE OF CONTENTS
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SPECIAL NOTES .................................................................................................................................... 2
SPECIFICATIONS ................................................................................................................................... 4
PROCEDURE 1 - DISASSEMBLY/ASSEMBLY ........................................................................................ 5
DISASSEMBLING/ASSEMBLING THE SEAT FRAME TO/FROM THE BASE FRAME ............................... 5
PROCEDURE 2 - FRONT RIGGINGS ...................................................................................................... 7
INSTALLING FOOTRESTS .................................................................................................................... 7
ADJUSTING FOOTREST HEIGHT ......................................................................................................... 7
INSTALLING 3-INCH EXTENSION .......................................................................................................... 8
INSTALLING/ADJUSTING THE ADJUSTABLE ANGLE FLIP-UP FOOTPLATES ....................................... 8
REPLACING SECTOR BLOCK .............................................................................................................. 9
ADJUSTING THE TELESCOPING FRONT FRAME TUBES .................................................................. 10
HEEL LOOP REPLACEMENT .............................................................................................................. 10
PROCEDURE 3 - ARMS ....................................................................................................................... 11
INSTALLING THE T-ARM SOCKETS .................................................................................................... 11
INSTALLING/REMOVING THE T-ARMS ............................................................................................... 11
ADJUSTING THE T-ARMS ................................................................................................................... 12
ADJUSTING THE TRANSFER ASSISTS AND/OR SIDE GUARDS-T-ARMS ........................................... 13
REPLACING THE LOCKING LEVERS - T-ARMS .................................................................................. 13
REMOVING/INSTALLING JOYSTICK ................................................................................................... 14
PROCEDURE 4 - BACK/SEAT/WHEEL LOCKS ..................................................................................... 15
REPLACING THE LOCKING MECHANISM IN THE BACK CANE ........................................................... 15
INSTALLING/REMOVING STROLLER HANDLES ................................................................................. 15
FOLDING/UNFOLDING THE BACK CANES ......................................................................................... 16
REMOVING/INSTALLING THE SEAT PAN ............................................................................................ 16
ENGAGING/DISENGAGING WHEEL LOCKS ....................................................................................... 16
PROCEDURE 5 - CASTERS .................................................................................................................. 17
REMOVING/INSTALLING FRONT CASTERS ....................................................................................... 17
REPLACING FORKS ........................................................................................................................... 17
PROCEDURE 6 - TILTING ................................................................................................................... 18
ENGAGING THE TILT-IN-SPACE ......................................................................................................... 18
PROCEDURE 7 - DEALER ADJUSTMENTS - GENERAL ........................................................................... 19
REMOVING/INSTALLING THE SPREADER BAR .................................................................................. 19
CHANGING THE SEAT WIDTH ............................................................................................................ 20
REMOVING/INSTALLING/ADJUSTING THE CABLE ASSEMBLY ........................................................... 21
REMOVING/INSTALLING/THE CABLE ASSEMBLY FROM THE RELEASE PEDAL ................................ 22
REMOVING/INSTALLING THE TILT MECHANISMS .............................................................................. 22
PROCEDURE 8 - DEALER ADJUSTMENTS - STABILITY ........................................................................... 24
STABILITY OVERVIEW ........................................................................................................................ 24
CHANGING THE CASTER POSITION .................................................................................................. 24
CHANGING THE BACK ANGLE ........................................................................................................... 24
CHANGING THE SEAT DEPTH ............................................................................................................ 25
ADJUSTING THE PIVOT POINT OF THE SEAT FRAME ....................................................................... 27
STABILITY ADJUSTMENTS WITHOUT A SEATING SYSTEM ............................................................... 29
STABILITY ADJUSTMENTS WITH A KSS SEATING SYSTEM .............................................................. 31
LIMITED WARRANTY ........................................................................................................................... 35
TABLE OF CONTENTS
4
SPECIFICATIONS
PHYSICAL SPECIFICATIONS
Overall Width:
Overall Depth
(w/o front riggings):
Overall Height:
Seat Width:
Seat Depth:
Seat-to-Floor Height:
Back Style and Height:
Arm Styles:
Footrest:
Rear Axle:
Rear Wheels:
Caster Size:
Wheel Locks:
Weight (Approx.)
W/O Batteries:
With Batteries:
Shipping Weight (Approx.):
ORBIT SEAT OPTION ON POWER TIGER BASE
*23-inches (including joystick)
*30-inches
*41-inches
10 to 16-inches (in one {1} inch increments)
10 to 16-inches (in one {1} inch increments)
19-3/4-inches (without seating system)
Adjustable Angle (80
o
to 110
o
), Fold Down
Fixed Height Anodized Cane W/Push Handles - 20-inch
Adjustable Height T - Arms
Swingaway Footrests
Fixed Rear Axle
12-Inch Pneumatic w/ flat free option
6 and 8-Inch Semi Pneumatic, 8-Inch Pneumatic
Push to Lock - Low Mounted
95 lbs.
173 lbs.
125 lbs
NOTE: All heights are approximate to
+1/4-inch due to tire wear and air pressure. The front seat-to-floor
heights are approximate to +1/4-inch.
SPECIFICATIONS
S
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*Measurements taken using 16x16-inch Orbit Seat Frame.
5
PROCEDURE 1DISASSEMBLY/ASSEMBLY
This Procedure Includes the Following:
Disassembling/Assembly the Seat Frame From/To
the Base Frame
WARNING
After ANY adjustments, repair or service and
BEFORE use, make sure all attaching hardware
is tightened securely.
D
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DISASSEMBLING/ASSEMBLING
THE SEAT FRAME FROM/TO THE
BASE FRAME (FIGURE 1)
Disassembling the Seat Frame from the Base
Frame (FIGURE 1)
WARNING
Invacare recommends that Action wheelchair
users NOT be transported in vehicles of any kind
while in wheelchairs. As of this date, the Depart-
ment of Transportation has not approved any tie-
down systems for transportation of a user while in
a wheelchair, in a moving vehicle of any type.
1. Return the wheelchair to 0
o
tilt. Refer to ENGAGING
THE TILT-IN-SPACE in PROCEDURE 6 of this
manual.
2. Remove occupant from wheelchair.
3. Remove the joystick from the mounting bracket. Re-
fer to REMOVING/INSTALLING JOYSTICK in PRO-
CEDURE 3 of this manual.
4. Remove the footrests. Refer to FRONT RIGGINGS
in PROCEDURE 2 of the manual.
NOTE: Tilting the wheelchair makes the plungers under
the seat plate more accessible.
5. Tilt the wheelchair. Refer to ENGAGING THE TILT-
IN-SPACE in PROCEDURE 6 of this manual.
6. Pull down and turn plungers located on underside of
base frame plate. See DETAIL "A".
7. Push in on the tip of the quick release pin located on
underside of base frame plate and pull out of seat/
base frame plate assembly. See DETAIL "A".
8. To disengage the seat frame from the base frame,
push/pull the seat frame forward.
9. If transporting is desired, perform the following steps:
NOTE: If a seating system is being used on the wheel-
chair, refer to the seating system Owner's Manual for
installation and removal of the seating system.
A. If so equipped, remove the existing seating sys-
tem from the seat frame.
B. Remove the T-arms. Refer to REMOVING/IN-
STALLING THE T-ARMS in PROCEDURE 3 of
this manual.
C. Fold down the back canes. Refer to FOLDING/
UNFOLDING THE BACK CANES in PROCE-
DURE 4 of this manual.
D. Remove the batteries from the base frame. Re-
fer to REMOVING BATTERIES on page 43 in
the Power Tiger Owners Manual, part number
1045938.
Assembling the Seat Frame to the Base Frame
(FIGURE 1)
1. Turn the plungers located on the underside of the
base frame plate until an audible click is heard. See
DETAIL "A".
2. Visually inspect the base frame plate to ensure the
locking buttons protrude all the way through the plate.
3. Place seat frame plate on base frame plate depress-
ing the locking buttons.
4. Slide seat frame rearward.
WARNING
Ensure both sides of seat frame plate are under-
neath the locking channels of the base frame
plate and the seat frame is securely locked in
place before using the wheelchair, otherwise in-
jury may result.
5. With both sides of seat frame plate underneath the
locking channels of the base frame plate, continue to
slide until an audible click from both locking buttons is
heard.
NOTE: If an audible click is not heard from both locking
buttons, wiggle seat frame plate back and forth until an
audible click is heard. This will ensure the seat frame is
locked into position.
WARNING
Make sure the locking pins of the quick-release
pin are fully released BEFORE operating the
wheelchair.
The locking pins MUST be protruding past the top
of the seat plate assembly for a positive lock.
Keep locking pin clean.
6. Push in on the tip of the quick-release pin and reinstall in
the seat/base frame plate assembly. See DETAIL "A".
6
FIGURE 1 - DISASSEMBLING/ASSEMBLING THE SEAT FRAME FROM/TO THE BASE FRAME
SEAT FRAME AND BASE FRAME DISASSEMBLED
Locking
Channel
SEAT FRAME
BASE FRAME
PROCEDURE 1
SECTIONAL OF SEAT FRAME AND BASE FRAME
ASSEMBLED (WITHOUT SEATING SYSTEM)
Seat Frame
Plate
Base Frame
Plate
Locking Buttons
Locking Buttons
Engage Here
Seat Frame
Plate
Locking Buttons
Engaged
Locking
Channels
DETAIL "A" - SIDE VIEW
7. Pull down on quick-release pin to ensure positive lock.
8. Install the footrests. Refer to FRONT RIGGINGS in
PROCEDURE 2 of this manual.
9. Install joystick onto mounting bracket. Refer to RE-
MOVING/INSTALLING JOYSTICK in PROCE-
DURE 3 of this manual.
10. If necessary, perform the following:
A. Unfold the back canes. Refer to FOLDING/UN-
FOLDING THE BACK CANES in PROCEDURE
4 of this manual.
Crossmember
Crossmember
Seat Frame
Plate
Base Frame Plate
Plunger
Quick-Release
Pin
Locking
Pins
Quick-Release
Pin
Top of
Seat Frame
Plate
Base Frame
Plate
Tip
Locking
Button
B. Install the T-arms. Refer to REMOVING/IN-
STALLING THE T-ARMS in PROCEDURE 3 of
this manual.
NOTE: If a seating system is being used on the wheel-
chair, refer to the seating system Owner's Manual for in-
stallation and removal of the seating system.
C. Install the existing seating system onto the wheel-
chair, if so equipped.
D. Install the batteries. Refer to REMOVING BAT-
TERIES on page 43 in the Power Tiger Owners
Manual, part number 1045938.
DISASSEMBLY/ASSEMBLY
D
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7
This Procedure Includes the Following:
Installing Footrests
Adjusting Footrest Height
Installing 3-inch Extension
Installing/Adjusting the Adjustable Angle Flip-up
Footplate
Replacing Sector Block
Adjusting the Telescoping Front Frame Tubes
Heel Loop Replacement
WARNING
After ANY adjustments, repair or service and
BEFORE use, make sure all attaching hardware
is tightened securely.
INSTALLING FOOTRESTS
(FIGURE 1)
NOTE: This procedure replaces FOOTREST ASSEM-
BLY on page 19 in the Power Tiger Owners Manual,
part number 1045938.
1. Turn the footrest to the side (open footplate is per-
pendicular to wheelchair).
2. Insert footrest mounting pin into mounting tube.
3. Push the footrest towards the inside of the wheel-
chair until it locks into place.
NOTE: The footplate will be on the inside of the wheel-
chair when locked in place.
4. Repeat this STEPS 1-3 for the opposite footrest.
FIGURE 1 - INSTALLING FOOTRESTS
NOTE: All swingaway style footrests are installed the same
way. Only one (1) style of footrest is shown for clarity.
Footrest
Footrest
Mounting
Pin
Footrest
Mounting
Tube
Footplate Height Adjustment (70
o
MFX
and 90
o
Footrests Only) (FIGURE 3)
1. Remove any accessories that are attached to the
footrests.
2. Remove the socket screw, coved washer and lock-
nut that secure the footplate to the footrest support.
3. Reposition the footplate to the desire height.
WARNING
DO NOT overtighten. Footrest must be able to ro-
tate upward from the horizontal to vertical position.
5. To release the footrest, push the footrest release le-
ver inward, rotate footrest outward.
ADJUSTING FOOTREST HEIGHT
NOTE: This procedure replaces ADJUSTMENT OF THE
FOOTREST HEIGHT on page 30 in the Power Tiger
Owners Manual, part number 1045938.
NOTE: Release the footrest locking mechanism and lift
the mounting pin out of the mounting tube. Lay the as-
sembly on a flat surface to simplify this procedure.
Pivot Slide Tube Height Adjustment
(FIGURE 2)
1. Remove any accessories that are attached to the
footrests.
2. Remove the hex screw and coved washer and posi-
tion the lower footrest assembly to the desired height.
3. Align the mounting hole in the footrest support, rein-
sert the hex screw and coved washer and securely
tighten.
4. Repeat STEPS 1-3 for the other footrest.
5. Reinstall any accessories that are attached to the
footrest.
PROCEDURE 2FRONT RIGGINGS
Hex Screw
Coved Washer
Lower Footrest
Assembly
FIGURE 2 - PIVOT SLIDE TUBE HEIGHT
ADJUSTMENT
F
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8
INSTALLING/ADJUSTING THE
ADJUSTABLE ANGLE FLIP-UP
FOOTPLATES
NOTE: This procedure replaces ADJUSTING ARTICU-
LATING SWINGAWAY FOOTREST on page 32 in the
Power Tiger Owners Manual, part number 1045938.
WARNING
When determining the angle of the footplates,
make sure the rear of the footplates do not inter-
fere with the movement of the front casters.
Installing the Adjustable Angle Flip-up
Footplate(FIGURE 5)
1. Slide the half clamp over the footplate hinge.
2. Loosely tighten the two (2) flat screws that secure the
footplate to the half clamp.
3. Adjust the footplates to the desired angle and depth
for the user. Refer to the following sections of this
procedure.
Nylon
Adjustment
Screw
Footplate Hinge
Footplate
Hinge
Articulating
Footplate
Flat Screws
Half Clamp
Locknuts
Washers
Half
Clamp
90
o
Footrest
Support
FIGURE 5 - ADJUSTABLE ANGLE FLIP-UP
FOOTPLATES - INSTALLING/ DEPTH ADJUSTMENT
Footrest
Support
Hex Screw
(STEP 4)
Socket Screw,
Coved Washer
and Locknut
(STEPS 2,6)
3-inch
Extension
Locknut
(STEP 4)
Washer (STEP 4)
FIGURE 4 - INSTALLING 3-INCH EXTENSION
INSTALLING 3-INCH EXTENSION
(FIGURE 4)
NOTE: This procedure replaces ASSEMBLY OF THE
90
o
FOOTREST EXTENSION on page 31 in the Power
Tiger Owners Manual, part number 1045938.
NOTE: Note the position of the attaching hardware for
proper reassembly of the footrest.
NOTE: If using ANY type of extension with the ADJUST-
ABLE ANGLE FOOTPLATE, refer to ADJUSTABLE
ANGLE FLIP UP FOOTPLATE PERPENDICULAR
AND/OR INVERSION/EVERSION ADJUSTMENT in
this procedure of the manual.
1. Remove any accessories that are attached to the
footrests.
2. Remove the socket screw, coved washer and lock-
nut that secure the footplate to the footrest support.
3. Insert the 3-inch extension into the footrest support
and align the mounting holes.
4. Secure the 3-inch extension to the footrest support
with NEW hex screw, washer and locknut. Securely
tighten.
5. Position the footplate at the desired height.
WARNING
DO NOT overtighten. Footrest must be able to ro-
tate upward from the horizontal to vertical position.
6. Reinstall the socket screw through the mounting holes
of the footplate and footrest support.
7. Secure the footplate to the footrest support with the
coved washer and locknut. Securely tighten.
Locknut
Socket Screw
and
Coved Washer
Height
Adjustment
Holes
FRONT RIGGINGSPROCEDURE 2
FIGURE 3 - FOOTPLATE HEIGHT ADJUSTMENT
(70
o
MFX AND 90
o
FOOTRESTS ONLY)
F
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4. Reinstall the socket screw through the mounting holes
of the footplate and footrest support.
5. Secure the footplate to the footrest support with the
coved washer and locknut. Securely tighten.
Footrest
Support
Footplate
Footplate
9
PROCEDURE 2FRONT RIGGINGS
F
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S
Adjustable Angle Flip-up Footplate Depth
Adjustment (FIGURE 5)
NOTE: Observe the angle of the articulating footplate for
reinstallation.
1. Remove the two (2) flat screws, washers and lock-
nuts that secure articulating footplate to the footplate
hinge.
2. Move the articulating footplate to one (1) of four (4)
mounting positions.
NOTE: If desired depth is still not obtained, rotate the half
clamp on the footplate hinge 180
o
.
3. Retighten the two (2) flat screws, washers and lock-
nuts.
NOTE: The settings for positioning the articulating
footplates on the half-clamps may vary for each footplate.
Adjustable Angle Flip-up Footplate Angle
Adjustment (FIGURES 5 AND 6)
1. Loosen, but do not remove the two (2) flat screws
and locknuts that secure the footplate to the footplate
hinge. (FIGURE 5)
2. Position the adjustable angle flip-up footplate to
the desired angle to accommodate the user.
3. Retighten the two (2) flat screws and locknuts. (FIG-
URE 5)
Footrest
Support
Footplate
FIGURE 6 - ADJUSTABLE ANGLE FLIP-UP
FOOTPLATE ANGLE ADJUSTMENT
Adjustable Angle Flip-up Footplate
Perpendicular and/or Inversion/
Eversion Adjustment (FIGURES 5 AND 7)
NOTE: It is not necessary to remove the footplate to per-
form this adjustment.
1. Insert a flathead screwdriver through the half clamp
on the adjustable angle footplate.
SIDE VIEW OF
FOOTPLATE
AND FOOTREST
Footplate
Footrest
Support
FRONT VIEW OF
FOOTPLATE
AND FOOTREST
SUPPORT.
FIGURE 7 - ADJUSTABLE ANGLE FLIP-UP
FOOTPLATE PERPENDICULAR AND/OR
INVERSION/EVERSION ADJUSTMENT
REPLACING SECTOR BLOCK
(FIGURE 8)
1. Remove the hex screw and washer that secure
the existing sector block to the wheelchair frame.
2. Position the NEW sector block on the wheel-
chair frame. Make sure the locking pin is facing
UP.
3. Secure the NEW sector block to the wheelchair
frame with the existing hex screw and washer.
Use Loctite
®
242 and securely tighten.
Wheelchair
Frame
Sector Block
Locking Pin
Hex Screw
Washer
FIGURE 8 - REPLACING SECTOR BLOCK
2. Slowly turn the nylon adjustment screw in or out until
the adjustable angle footplate is perpendicular to the
footrest assembly or the desired inversion or ever-
sion is obtained.
Loctite - Registered trademark of Loctite Corporation.
10
FRONT RIGGINGSPROCEDURE 2
F
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ADJUSTING THE TELESCOPING
FRONT FRAME TUBES (FIGURE 9)
CAUTION
When determining the depth of the telescoping
front frame tubes, make sure the rear of the foot-
rests do not interfere with the movement of the
front casters. Otherwise damage to the wheel-
chair may result.
1. Remove the mounting screw and locknut that se-
cures the telescoping tube to the seat rail.
2. Adjust telescoping tube to IN or OUT to desired mount-
ing adjustment hole.
3. Reinsert mounting screw and install locknut. Securely
tighten.
4. Repeat STEPS 1-3 for opposite telescoping front
frame tube.
5. Rotate front casters to ensure there is no interfer-
ence between the footrests and front casters.
6. If interference occurs, repeat procedure and adjust
telescoping front frame tube accordingly.
2. Remove the lower footrest assembly.
3. Remove the phillips screws, spacers, and locknuts
that secure the heel loop to the footrest.
4. Slide heel loop over slide tube of footrest assembly.
5. Replace heel loop.
6. Reverse STEPS 1-5 to reassemble.
NOTE: When securing the heel loop to the footrest as-
sembly, tighten the phillips screw and locknut until the
spacer is secure.
Adjustable Footplate
1. Remove the four (4) phillips screws and washers that
secure the EXISTING heel loop to the footplate.
2. Position the mounting holes of the NEW heel loop
with the mounting holes in the adjustable footplate.
3. Secure the NEW heel loop to the footplate with the
four (4) phillips screws and washers. Securely tighten.
Washer
ADJUSTABLE FOOTPLATES
Hex Screw/
Coved Washer
COMPOSITE FOOTPLATES
FIGURE 10 - HEEL LOOP REPLACEMENT
Phillips
Screws
Phillips
Screws
Locknut
Spacer
Phillips
Screw
HEEL LOOP REPLACEMENT
(FIGURE 10)
NOTE: This procedure replaces HEEL LOOP REPLACE-
MENT on page 32 in the Power Tiger Owners Manual,
part number 1045938.
Composite Footplates
1. Remove the hex screw and coved washer that se-
cures the lower footrest assembly to the swingaway
footrest assembly.
Lower
Footrest
Assembly
Slide
Tube
Swingaway Footrest
Assembly
Telescoping
Tube
Locknut
Mounting
Screw
Seat Rail
FIGURE 9 - ADJUSTING THE TELESCOPING
FRONT FRAME TUBES
Mounting
Adjustment
Holes
11
PROCEDURE 3ARMS
This Procedure Includes the Following:
Installing the T-arm Sockets
Installing/Removing the T-arms
Adjusting the T-arms
Adjusting the Transfer Assists and/or
Side Guards - T-arms
Replacing the Locking Lever - T-arms
Removing/Installing Joystick
FIGURE 1 - INSTALLING THE T-ARM SOCKETS
A
R
M
S
T-arm Socket
Inserts
Coved
Washers
Locknuts
Wheelchair Frame
T-arm Clamp
Hex Bolts
Hex Screws
Washers
T-arm
Socket
6. Adjust the T-arm socket. Refer to ADJUSTING THE
T-ARMS in this instruction sheet.
7. Repeat STEPS 2-6 for the opposite side of the wheel-
chair.
8. Install the T-arms into the T-arm sockets. Refer to
INSTALLING/REMOVING THE T-ARMS in this in-
struction sheet.
INSTALLING/REMOVING THE
T-ARMS (FIGURE 2)
Installing
1. Position the T-arm over the T-arm socket on the
wheelchair frame.
NOTE: Make sure the locking lever is towards the front of
the wheelchair.
2. Slide the T-arm into the T-arm socket until the lock-
ing lever is in the slot in the T-arm socket and an
audible "click" is heard.
3. Pull up on the T-arm to make sure the T-arm is locked
in place.
NOTE: If the T-arm does not slide in the T-arm socket as
desired, adjust the T-arm socket. Refer to ADJUSTING
THE T-ARMS in this procedure of the manual.
4. Adjust the T-arm for desired height, width and depth,
if necessary. Refer to ADJUSTING THE T-ARMS in
this procedure of the manual.
5. Repeat STEPS 1-4 for the opposite side of the wheel-
chair.
6. Install the joystick onto the right side T-Arm. Refer to
REMOVING/INSTALLING THE T-ARMS in this pro-
cedure of the manual.
Removing
NOTE: Remove the joystick before removing the right
side T-Arm. Refer to REMOVING/INSTALLING THE T-
ARMS in this procedure of the manual.
1. Press in on the locking lever and lift the T-arm straight
up and out of the T-arm socket.
NOTE: If the T-arm does not slide up and down in the T-
arm socket as desired, adjust the T-arm socket. Refer to
ADJUSTING THE T-ARMS in this procedure of this
manual.
2. Repeat STEP 1 for the opposite side of the wheel-
chair.
WARNING
After ANY adjustments, repair or service and BE-
FORE use, make sure all attaching hardware is
tightened securely.
INSTALLING THE T-ARM SOCKETS
(FIGURE 1)
1. Position the T-arm clamp on the wheelchair frame
as shown in FIGURE 1.
NOTE: The T-arm socket must be positioned on the
outside of the wheelchair frame.
2. Install the hex bolts through the T-arm clamp,
wheelchair frame and coved washers and tighten
securely with locknuts.
3. Position the T-arm socket inserts in the T-arm
socket as shown in FIGURE 1.
4. Line up the mounting holes in the T-arm socket
with the threaded holes in the T-arm clamp.
5. While holding the T-arm socket and the T-arm
clamp together, install the four (4) hex screws and
washers into mounting holes and tighten loosely.
12
ARMSPROCEDURE 3
FIGURE 2 - INSTALLING/REMOVING THE
T-ARMS
T-Arm Release
Lever - Unlocked
Position
Inside
T-Arm Post
Outside T-
Arm Post
T-Arm Release
Lever - Locked
Position
FIGURE 3 - ADJUSTING THE T-ARMS - HEIGHT
ADJUSTING THE T-ARMS
Height (FIGURE 3)
1. Unlock the T-arm by flipping the T-arm release lever
towards the inside of the wheelchair.
NOTE: If necessary, pull out on the T-arm release lever
and rotate 180
o
so it can be flipped towards the outside of
the wheelchair.
2. Slide the T-arm to one (1) of the eight (8) positions.
NOTE: If the inside T-arm post does not slide up and
down in the outside T-arm post as desired, perform one
(1) of the following:
A. Tighten - Tightening the set screws on the out-
side T-arm post will make it harder to move the
inside T-arm post up and down.
B. Loosen - Loosening the set screws on the out-
side T-arm post will make it easier to move the
inside T-arm post up and down.
3. Lock the T-arm by flipping the T-arm release lever
towards the front of the wheelchair.
Set
Screws
T-Arm
Socket
Slot
Locking Lever
(Towards the
front of the
wheelchair.)
T-Arm
Wheelchair
Frame
A
R
M
S
FIGURE 6 - ADJUSTING THE T-ARMS -
T-ARM SOCKETS
Hex Screws
and Washers
T-arm
Hex Screws
and Washers
T-arm Socket
T-Arm Sockets (FIGURE 6)
1. Loosen, but do not remove the four (4) hex screws
and washers that secure the T-arm socket to the T-
arm clamp.
NOTE: The T-arm socket will disassemble if the four (4)
hex screws and washers are removed.
2. Slide the T-arm into the T-arm socket until the lock-
ing lever is in the slot in the T-arm socket and an
audible "click" is heard.
3. Squeeze the T-arm socket the T-arm clamp together
until the socket is flush with the T-arm.
4. While holding the T-arm socket and the T-arm clamp
together, tighten the four (4) hex screws and wash-
ers securely.
5. Press in on the locking lever and lift the T-arm straight
up and out of the T-arm socket.
6. Repeat STEPS 3-6, if necessary until the T-arm slides
in the T-arm socket as desired.
13
PROCEDURE 3ARMS
ADJUSTING THE TRANSFER
ASSISTS AND/OR SIDE GUARDS -
T-ARMS (FIGURE 7)
1. Remove the T-arm from the wheelchair. Refer to IN-
STALLING/REMOVING THE T-ARMS in this pro-
cedure of the manual.
2. Remove the two (2) bottom socket screws that se-
cure the side guard to the bottom clamp.
3. Perform one (1) of the following:
Small Side Guards - Move the bottom clamp up
one (1) of two (2) mounting po-
sitions in the side guard.
Large Side Guards - Move the bottom clamp up
one (1) of three (3) mounting
positions in the side guard.
4. Re-secure the side guard to the bottom clamp with
the two (2) socket screws. Securely tighten.
5. Install the T-arm onto the wheelchair. Refer to IN-
STALLING/REMOVING THE T-ARMS in this pro-
cedure of the manual.
A
R
M
S
FIGURE 7 - ADJUSTING THE TRANSFER
ASSISTS AND/OR SIDE GUARDS-T-ARMS
Bottom
Socket
Screws
Bottom
Clamp
Transfer
Assist
Side
Guard
T-Arm
2. Remove the phillips bolt and locknut that secure the
EXISTING locking lever to the bottom bracket.
NOTE: The locking lever is spring loaded. Place your
free hand over the locking lever to prevent the parts from
springing off of the bottom bracket.
3. Remove the EXISTING locking lever and spring from
the bottom bracket.
NOTE: Inspect the spring for wear and damage. Replace
if necessary.
4. Position the spring on the bottom bracket as shown
in FIGURE 8.
5. Position the NEW locking lever onto the spring and
the bottom bracket.
NOTE: Make sure the two (2) extended ends of the spring
are inside the notch in the locking lever.
6. Line up the mounting holes in the NEW locking lever,
spring and bottom bracket.
WARNING
DO NOT over tighten the locknut that secures the
locking lever to the bottom bracket. Over tight-
ening this locknut will prevent the locking lever
from operating properly, possibly causing injury.
7. Install the phillips bolt and locknut. Tighten securely.
8. Install the T-arm onto the wheelchair. Refer to IN-
STALLING/REMOVING THE T-ARMS in this pro-
cedure of the manual.
DO NOT
REMOVE
THESE
MOUNTING
SCREWS
FIGURE 8 - REPLACING THE LOCKING LEVER -
T-ARMS
Bottom
Bracket
Phillips Bolt
Locking
Lever
Spring
Extended Ends
Locknut
Notch
REPLACING THE LOCKING LEVER -
T-ARMS (FIGURE 8)
1. Remove the T-arm from the wheelchair. Refer to
INSTALLING/REMOVING THE T-ARMS in this pro-
cedure of the manual.
14
PROCEDURE 3 ARMS
A
R
M
S
REMOVING/INSTALLING JOYSTICK
(FIGURE 9)
1. Disconnect (unplug) joystick from controller.
2. Cut plastic clips that secure cord to wheelchair frame.
3. Rotate release lever to COUNTERCLOCKWISE to
unlock the joystick mounting tube.
NOTE: Illustration depicts the locked position of the re-
lease lever facing forward and the unlocked position fac-
ing rearward. The unlocked and locked positions will not
always be as shown. Positions shown for reference only.
4. Remove joystick from T-arm mounting bracket.
5. To install, reverse STEPS 1-4.
NOTE: When installing, ensure joystick is facing front of
wheelchair.
FIGURE 9 - REMOVING/INSTALLING JOYSTICK
Unlocked
Locked
Mounting
Bracket
Joystick
Connects to
Controller
T-Arm
NOTE: T-Arm pad not shown for clarity.
Front of
Wheelchair
Release
Lever
Joystick Mounting
Tube
15
This Procedure Includes the Following:
Replacing the Locking Mechanism in the Back
Cane
Installing/Removing Stroller Handles
Folding/Unfolding the Back canes
Removing/Installing the Seat Pan
Engaging/Disengaging the Wheel Locks
PROCEDURE 4
FIGURE 1 - REPLACING THE LOCKING
MECHANISM IN THE BACK CANE
Locking
Mechanism
Back Cane
Actuator
Spring
Angled Portion
of Locking
Mechanism
WARNING
After ANY adjustments, repair or service and BE-
FORE use, make sure all attaching hardware is
tightened securely.
REPLACING THE LOCKING
MECHANISM IN THE BACK CANE
(FIGURE 1)
CAUTION
The locking mechanism in the back canes is
spring loaded. Slowly remove the back canes
from the wheelchair to prevent the springs from
being lost.
1. Fold back canes down. Refer to FOLDING AND
UNFOLDING THE BACK CANES in this procedure
of the manual.
2. Twist the actuator COUNTERCLOCKWISE to re-
move from the locking mechanism.
3. Slowly let the EXISTING locking mechanism and
spring slide out of the back cane.
NOTE: Inspect the spring for wear and damage. Replace
if necessary.
4. Slide the NEW locking mechanism and spring into
the back cane.
5. Make sure the angled end of the NEW locking mecha-
nism is facing down toward seat rails.
6. Use Loctite 242, on threads only, and securely tighten
the actuator into the locking mechanism.
7. Unfold back canes. Refer to FOLDING AND UN-
FOLDING THE BACK CANES in this procedure of
the manual.
FIGURE 2 - INSTALLING/REMOVING STROLLER
HANDLES
INSTALLING/REMOVING
STROLLER HANDLES (FIGURE 2)
1. Remove the back cane grips and plug buttons from
both back canes.
2. Slide the stroller handle into the back canes.
3. Align the mounting holes of the stroller handle and
the back canes.
4. Secure stroller handle to the back canes with the two
(2) mounting screws provided. Securely tighten.
5. To remove, reverse STEPS 1-4.
Quick-Release Pin
Back Cane
Stroller Handle
Button
B
A
C
K
S
E
A
T
W
H
E
E
L
L
O
C
K
S
BACK/SEAT/WHEELLOCKS
16
B
A
C
K
S
E
A
T
W
H
E
E
L
L
O
C
K
S
FIGURE 3 - FOLDING/UNFOLDING THE BACK
CANES
FOLDING/UNFOLDING THE BACK
CANES (FIGURE 3)
1. To fold back canes, lift up on actuator pins and fold
back canes forward.
2. To unfold back canes, pull back canes up until actua-
tor pins are locked in place.
NOTE: Actuator pins are locked in place when an au-
dible click is heard.
Actuator
Pin
Back Cane
PROCEDURE 4 BACK/SEAT/WHEELLOCKS
REMOVING/INSTALLING THE SEAT
PAN (FIGURE 4)
Removing
NOTE: If a seating system is being used on the wheel-
chair, refer to your particular seating system manufacturer's
Owner's Manual for installation and removal of the seat-
ing system.
1. If so equipped, remove seating system from wheel-
chair.
2. Remove the four (4) mounting screws that secure
the seat pan to the seat rails.
3. Remove existing seat pan and discard.
Installing
1. Position the NEW seat pan on crossmembers.
2. Secure with the existing four (4) mounting screws.
Securely tighten.
3. Reinstall seating system onto wheelchair.
FIGURE 4 -REMOVING/INSTALLING THE SEAT
PAN
Mounting
Screws
Seat Frame
Assembly
Mounting
Screws
Rigid Seat
Pan
ENGAGING/DISENGAGING THE
WHEEL LOCKS (FIGURE 5)
Engaging
1. Push handle forward away from tire to engage wheel
lock.
2. Repeat STEP 1 for opposite wheel.
Disengaging
1. Pull handle back toward tire to disengage wheel lock.
2. Repeat STEP 1 for opposite wheel.
FIGURE 5 - ENGAGING/DISENGAGING THE
WHEEL LOCKS
Wheellock
Handle
17
PROCEDURE 5CASTERS
C
A
S
T
E
R
S
This Procedure Includes the Following:
Removing/Installing Front Casters
Replacing Forks
WARNING
After ANY adjustments, repair or service and BE-
FORE use, make sure all attaching hardware is
tightened securely.
DO NOT use your power wheelchair unless it has
the proper tire pressure (p.s.i.). DO NOT over-inflate
the tires. Failure to follow these suggestions may
cause the tire to explode and cause bodily harm.
The recommended tire pressure is listed on the side
wall of the tire.
CAUTION
DO NOT overtighten hardware attaching to the
frame. Damage to components may occur.
REMOVING/INSTALLING FRONT
CASTERS (FIGURE 1)
NOTE: This procedure replaces FRONT TIRES - PNEU-
MATIC/SEMI-PNEUMATIC on page 38 in the Power Ti-
ger Owners Manual, part number 1045938.
Periodically, the tires will need to be replaced due to wear or
puncture.
Removing
1. Remove the mounting screw, spacers and locknut that
secure the EXISTING caster to the fork.
2. Remove the EXISTING caster from the fork.
Installing
1. Position the new/existing caster into the fork.
2. Reinstall the mounting screw, spacers and locknut.
Securely tighten.
Mounting
Screw
Locknut
Spacer
FIGURE 1 - REMOVING/INSTALLING FRONT
CASTERS
3. Torque locknut to 10-foot pounds (120-inch) pounds.
4. Loosen the locknut 1/8 of a turn.
5. Move the caster side to side.
NOTE: If the caster moves side to side, tighten the locknut
slightly. Repeat STEP 4 until there is no side to side move-
ment of the caster.
REPLACING FORKS (FIGURE 2)
NOTE: This procedure combined with REMOVING/IN-
STALLING FRONT CASTERS replaces SIX OR EIGHT
INCH CASTER INSTALLATION on page 36 in the Power
Tiger Owners Manual, part number 1045938.
1. Remove the caster from the existing fork. Refer to
REMOVING/INSTALLING FRONT CASTERS in this
procedure of the manual.
2. Remove the head tube cap.
3. Remove the locknut and nylon washer.
4. Drop the EXISTING fork out of the caster head tube.
5. Slide the new fork into the caster head tube.
NOTE: Check bearing assemblies. Replace if necessary.
6. Ensure NEW fork slides completely into caster
headtube.
7. Install nylon washer and secure with locknut.
WARNING
Improper positioning of the washer will prohibit the
free movement of the forks which may result in
injury to the occupant.
8. Install the caster onto the NEW fork. Refer to RE-
MOVING/INSTALLING CASTERS in this procedure
of the manual.
9. Install headtube cap.
FIGURE 2 - REPLACING FORKS
Headtube
Cap
Locknut
Nylon Washer
Caster Headtube
Fork
Spacer
Fork
Caster
18
This Procedure Includes the Following:
Engaging the Tilt-in-Space
FIGURE 1 - ENGAGING THE TILT-IN-SPACE
DETAIL "A"
Unlocked
Position
Locked
Position
Release
Pedal
Wheelchair
Frame
PROCEDURE 6
TILTING
T
I
L
T
I
N
G
6. SLOWLY, pull back on the back canes while step-
ping on the release pedal.
7. When the seat reaches the desired angle, SLOWLY
relieve the pressure on the release pedal.
8. Move the locking mechanism on the release pedal to
the locked position. See DETAIL "A".
9. Disengage wheel locks before attempting to move
occupant. ENGAGING/DISENGAGING THE
WHEEL LOCKS in PROCEDURE 4 of this manual.
Back
Cane
Locking
Mechanism
WARNING
After ANY adjustments, repair or service and BE-
FORE use, make sure all attaching hardware is
tightened securely.
ENGAGING THE TILT-IN-SPACE
(FIGURE 1)
WARNING
ALWAYS make sure that the wheelchair is stable
BEFORE using the tilt-in-space.
NEVER operate the wheelchair while in any tilt posi-
tion over 10
o
RELATIVE TO THE SEAT FRAME. If the
limit switch does not stop the wheelchair from op-
erating in a tilt position greater than 10
o
RELATIVE TO
THE SEAT FRAME, have the limit switch adjusted by
an authorized Invacare dealer or qualified techni-
cian.
Make sure the occupant of the wheelchair is
properly positioned.
Always engage both wheel locks.
DO NOT use the release pedal of the tilt mecha-
nism to gain leverage in tipping the wheelchair.
The release pedal was not designed to be used
in this manner and may cause injury to the assis-
tant and/or user or damage to the wheelchair.
1. Place the wheelchair on a level surface.
2. Engage both wheel locks. Refer to ENGAGING/DIS-
ENGAGING THE WHEEL LOCKS in PROCEDURE
4 of this manual.
3. Move the locking mechanism on the release pedal to
the unlocked position. See DETAIL "A".
4. Inform the occupant of the wheelchair that the wheel-
chair is about to be tilted and remind them to lean
back.
5. Stand behind the wheelchair and apply pressure to
the release pedal.
19
PROCEDURE 7DEALER ADJUSTMENTS - GENERAL
This Procedure Includes the Following:
Removing/Installing the Spreader Bar
Changing the Seat Width
Removing/Installing/Adjusting Cable Assembly
Removing/Installing the Cable Assembly from
the Release Pedal
Removing/Installing the Tilt Mechanism(s)
D
E
A
L
E
R
A
D
J
U
S
T
M
E
N
T
S
WARNING
After ANY adjustments, repair or service and BE-
FORE use, make sure all attaching hardware is
tightened securely.
REMOVING/INSTALLING THE
SPREADER BAR (FIGURE 1)
NOTE: Make sure the spreader bar is ALWAYS attached
to the wheelchair.
NOTE: If a seating system is being used on the chair,
refer to the seating system Owner's Manual for installa-
tion and removal of the seating system.
1. Remove the EXISTING seating system from the
wheelchair, if so equipped.
2. Separate back assembly from the back angle brack-
ets by removing the mounting screws, coved spac-
ers, washers, and locknuts.
3. Remove the locking mechanisms in the back canes.
Refer to REPLACING THE LOCKING MECHANISM
IN THE BACK CANE in this procedure of the manual.
4. Loosen, but do not remove the two (2) set screws that
secure the EXISTING spreader bar to back canes.
5. Slide the EXISTING spreader bar off of the two (2)
back canes and slide NEW spreader bar on.
NOTE: Make sure the spreader bar is positioned on back
canes so not to interfere with the back angle brackets.
6. Securely tighten the two (2) set screws that secure
the new spreader bar to the back canes.
CAUTION
When reattaching back assembly, DO NOT
OVERTIGHTEN! Back will not fold down properly.
Tighten hardware until snug.
8. Reattach back assembly to the back angle brackets
with the EXISTING mounting screws, coved spac-
ers, washers, and locknuts. DO NOT OVER-
TIGHTEN! Wheelchair will not fold properly. Tighten
until a snug fit is provided.
9. Reinstall the locking mechanisms in the back canes.
Refer to REPLACING THE LOCKING MECHANISM
IN THE BACK CANE in PROCEDURE 4 of this
manual.
FIGURE 1 - REMOVING/INSTALLING THE
SPREADER BAR
Back
Assembly
(STEPS 2,8)
Mounting
Screw
(STEPS 2,8)
Coved Spacer
(STEPS 2,8)
Spreader Bar
(STEP 4-7)
Set
Screw
(STEP 4,7)
Back Angle
Bracket
(STEPS 2,8)
Locknut
(STEPS
2,8)
Washer
(STEPS 2,8)
Locking
Mechanism
(STEPS 3,9)
G
E
N
E
R
A
L
20
CHANGING THE SEAT WIDTH
(FIGURE 2)
NOTE: This procedure replaces 12-INCH TO 13-INCH
SEAT WIDTH ADJUSTMENT, 12-INCH OR 13-INCH
TO 14-INCH SEAT WIDTH ADJUSTMENT, SEAT
WIDTH ADJUSTMENT 12-INCH, 13-INCH OR 14-INCH
TO 15-INCH OR 16-INCH on page 51-57 in the Power
Tiger Owners Manual, part number 1045938.
1. Remove the seat frame from the base frame. Refer
to DISASSEMBLY/ASSEMBLY in PROCEDURE 1
of this manual.
NOTE: Note the orientation of the seat plate in relation to
the seat rails for proper reinstallation.
WARNING
Before removing the crossmembers, note the
mounting hole position of the crossmembers to
the seat rails for proper reinstallation. Otherwise
injury to the occupant and/or user and damage
to the wheelchair may occur.
NOTE: If a change in the position of the crossmembers is
desired, refer to ADJUSTING THE PIVOT POINT in this
procedure of the manual.
FIGURE 2 - CHANGING THE SEAT WIDTH
2. Remove the four (4) mounting screws and four (4)
washers that secure the crossmembers to the seat
rails.
3. Replace existing spreader bar with NEW spreader
bar. Refer to REMOVING/INSTALLING THE
SPREADER BAR in this procedure of the manual.
4. Remove the four (4) mounting screws and four (4)
locknuts that secure the seat plate to the
crossmembers.
5. Secure the seat plate to the NEW crossmembers
with the existing four (4) mounting screws and lock-
nuts. Securely tighten.
6. Secure the crossmembers to the seat rails with the
four (4) mounting screws and washers. Securely
tighten.
7. Reinstall the seat frame onto the base frame. Refer
to DISASSEMBLY/ASSEMBLY in PROCEDURE 1
of this manual.
PROCEDURE 7 DEALER ADJUSTMENTS - GENERAL
D
E
A
L
E
R
A
D
J
U
S
T
M
E
N
T
S
G
E
N
E
R
A
L
Mounting
Screws
(STEP 2, 6)
Washer
(STEP 2, 6)
Crossmember
(STEPS 2, 6)
Locknuts
(STEP 4, 5)
Washer
(STEP 2, 6)
Seat Rail
(STEP 2, 6)
Mounting
Screws
(STEPS 4, 5)
Seat Plate
(STEPS 4, 5)
Washer
(STEP 2, 6)
Crossmember
(STEPS 2, 6)
Mounting
Screws
(STEP 2, 6)
NOTE: The back angle plates
are not shown for clarity
Seat Rail
(STEP 2, 6)
Mounting
Screws
(STEP 4, 5)
/
