Adjusting T-Arm Sockets; Adjusting T-Arm Transfer Assists And/Or Side Guards; Replacing T-Arm Locking Lever - Invacare A4 Owner's Manual

SECTION 9—ARMS

Adjusting T-Arm Sockets

NOTE: For this procedure, refer to FIGURE 9.6.
NOTE: Perform this procedure if the T‐arm is too loose in the
socket or does not easily slide up and down in the socket.
1. Remove the rear wheels from the wheelchair, if
necessary. Refer to Removing/Installing Rear Wheels on
page 37.
2. Loosen, but do not remove the four socket screws and
washers that secure outer T‐arm bracket to the inner T‐
arm bracket.
NOTE: The T‐arm socket will disassemble if the four socket screws
and washers are removed.
3. Slide the T‐arm into the T‐arm socket until the locking
lever is in the slot in the T‐arm socket and an audible
ʺclickʺ is heard.
4. Squeeze the outer T‐arm bracket and the inner T‐arm
bracket together until the socket is flush with the T‐arm.
5. While holding the outer and the inner T‐arm brackets
together, tighten the four socket screws and washers.
Tighten securely.
6. Press in on the locking lever and lift the T‐arm straight up
and out of the T‐arm socket.
7. Repeat STEPS 3‐6, if necessary until the T‐arm slides in the
T‐arm socket as desired.
8. If necessary, install rear wheels. Refer to Removing/
Installing Rear Wheels on page 37.
Adjusting T-arm Transfer Assists and/or
Side Guards
NOTE: For this procedure, refer to FIGURE 9.7.
1. Remove the T‐arm from the wheelchair. Refer to
Installing/Removing T‐arms on page 52.
2. Remove the two socket screws that secure the side guard
to the bottom clamp.
NOTE: Adjusting the side guards will directly affect the position of
the transfer assist.
3. Perform one of the following:
A. Small Side Guards ‐ Move the bottom clamp up one of
two mounting positions in the side guard.
B. Large Side Guards ‐ Move the bottom clamp up one of
three mounting positions in the side guard.
4. Secure the side guard to the bottom clamp with the two
socket screws.
5. Install the T‐arm onto the wheelchair. Refer to Installing/
Removing T‐arms on page 52.

Replacing T-arm Locking Lever

NOTE: For this procedure, refer to FIGURE 9.8.
1. Remove T‐arm from wheelchair. Refer to Installing/Removing T‐arms on page 52.
2. Remove the mounting screw and locknut that secure the existing locking lever to the bottom bracket.
A4 Owner's Manual
T-Arm
Socket
Screws and
Washers
Locking Lever
Outer T-Arm Bracket
FIGURE 9.6 Adjusting T-Arm Sockets
Side Guard
Socket Screws
FIGURE 9.7 Adjusting T-arm Transfer Assists and/or
54
Inner T-Arm Bracket
Socket Screws and
Washers
Slot
T-Arm
Transfer Assist
Bottom Clamp
Side Guards
Part No 1110545