Removing Rear Suspension; Removing Rear Suspension - Alternative Method; Refitting Rear Suspension - Invacare TDX SP2 Series Service Manual

Invacare® TDX® SP2 Series
9. Allow motors to cool down for 30 minutes.
10. Allow motors to run in reverse direction for an hour.
11. Lift mobility device off wooden blocks.

6.7.6 Removing Rear Suspension

CAUTION!
Risk of crushing
The mobility device is very heavy. Risk of injury
hazard to hands and feet.
– Use proper lifting techniques.
Risk of injury caused by uncontrolled
movement of the mobility device
– Turn off power (ON/OFF key).
– Engage drive.
– Before raising mobility device, secure wheels
by blocking them with wedges.
• 5/16 inch Allen key
• 5/32 inch Allen key
• Phillips screwdriver size 2
• Torque wrench 0 - 20 Nm (or similar)
• Torque wrench 20 - 80 Nm (or similar)
• Oblique pliers
• Tie wraps
• Two oblong wooden blocks (at least 14 x 14 x
30 cm)
1. Lift mobility device up on one side and place a 14 cm
high wooden block under battery case so that wheels
are off the ground and can rotate freely. Use proper
lifting techniques.
2. Repeat same procedure on the other side of mobility
device.
3. Remove rear shroud as described in 6.9.2 Replacing
Rear Shroud (Without Operating Hour Counter), page
41.
4. Make sure you note cable routing carefully. If
necessary, take photos with a digital camera.
5.
Remove all cables and tie wraps which are fixed to
wheel suspension or which could get in the way
during work.
6. Loosen two screws (3) and remove screws including
nylon washer (2).
7. Loosen two screws (4) and remove screws including
bushings (5). If only one of two screws can be
removed, proceed as described in 6.7.7 Removing
rear suspension – alternative method, page 32 as an
alternative.
8. Take complete rear wheel suspension off.
9. Replace individual parts such as suspension arms (1)
or pivot bar (4).
10. See 6.8.10 Replacing Castor Wheel on Double-Sided
Fork, page 39 to install wheel suspension at a later
time.
32
6.7.7 Removing rear suspension – alternative
method
• More wooden blocks or joiner's clamps
1. Carry out following steps if only one of the two screws
(4) can be undone.
2. Make sure that rear springs are compressed:
• Block method
– Raise suspension arms and replace wooden
blocks underneath them until springs are
compressed.
• Clamp method
– Lower suspension arms downwards as far as
possible.
3. Remove rubber caps (9).
4. Press springs together with a joiner's clamp or similar
clamp.
5. Remove pivot bar (4) by putting it sideways out of
guides together with remaining bolt and socket.
6. See 6.7.9 Refitting rear suspension – alternative
method, page 33 to replace wheel suspension at a
later time.

6.7.8 Refitting rear suspension

1. Position complete rear wheel suspension between two
mounting points (6).
2. Fit two bushings (5) and two screws (4).
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