Procedure 4 - Arms; Installing T-Arm Sockets; Replacing The T-Arm Locking Lever - Invacare spyder Service Manual

PROCEDURE 4
This Procedure includes the following:

Installing T-Arm Sockets

Replacing the T-Arm Locking Lever

After ANY adjustments, repair or service
A
and BEFORE use, make sure all attachment
hardware is tightened securely - other-
R
wise, injury or damage may result.
M
S
INSTALLING T-ARM SOCKETS
(FIGURE 1)
1. Remove rear wheels from wheelchair, if necessary,
Refer to INSTALLING/REMOVING REAR WHEELS
in the Spyder owner's manual, part number 1093830.
2. Position the T-arm clamp on the wheelchair frame as
shown in FIGURE 1.
NOTE: T-arm socket must be positioned on outside of
wheelchair frame.
3. Install hex bolts through T-arm clamp, wheelchair frame
and coved washers and tighten securely with locknuts.
4. Position the T-arm socket inserts in the T-arm socket
as shown in FIGURE 1.
5. Line up the mounting holes in the T-arm socket with
the threaded holes in the T-arm clamp.
6. 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.
7. Adjust the T-arm socket. Refer to ADJUSTING THE
T-ARMS in the Spyder owner's manual, part number
1093830.
8. Repeat STEPS 2-7 for opposite side of wheelchair.
9. Install the T-arm into the T-arm sockets. Refer to IN-
STALLING/REMOVING T-ARMS in the Spyder
owner's manual, part number 1093830.
Wheelchair Frame
T-Arm Clamp
T-Arm Socket
Inserts
T-Arm
Socket Washer
FIGURE 1 - INSTALLING T -ARM SOCKETS
WARNING
Locknut
Coved
Washer
Hex Bolts
Hex Screw
REPLACING THE T-ARM LOCKING
LEVER (FIGURE 2)
1. Remove T-arm from wheelchair. Refer to IN-
STALLING/REMOVING T-ARMS in the Spyder
owners manual, part number 1093830.
2. Remove the phillips bolt and locknut that secure
the existing locking lever to the bottom bracket.
CAUTION
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 existing locking lever and spring from bot-
tom bracket.
NOTE: Inspect the spring and replace if necessary.
4. Position spring on bottom bracket as shown in FIGURE 2.
5. Position new locking lever onto spring and 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 locknut that secures lock-
ing lever to bottom bracket. Over tightening
this locknut will prevent locking lever from op-
erating properly, possibly causing injury.
7. Install phillips bolt and tighten securely with locknut.
8. Install the T-arm onto the wheelchair. Refer to IN-
STALLING/REMOVING T-ARMS in the Spyder
owner's manual, part number 1093830.
Bottom
Bracket
Phillips Bolt
FIGURE 2 - REPLACING THE T-ARM
LOCKING LEVER
16
ARMS
Extended Ends
Spring
Notch
Locknut
Locking
Lever