Replacing Casters On Single-Sided Caster Forks; Replacing Drive Wheel; Replacing Tire Or Inner Tube - Invacare TDX SP2 Service Manual

Invacare® TDX® SP2 Series
Installing caster
1. Install parts in reverse order.
2. Tighten screw (6) and nut (2) to 18 Nm.

6.5.5 Replacing casters on single-sided caster forks

• 11 mm wrench
• Torque wrench 5 - 25 Nm (or similar)
When removing, take care of small parts such as
screws and washers. Put all small parts down so that
they can be installed in the right sequence.
Removing caster
1. Loosen and remove screw 3 including washer 2.
2. Remove caster.
3. Replace caster.
Installing caster
1. Install parts in reverse order.
2. Tighten screw (3).

6.5.6 Replacing drive wheel

CAUTION!
Risk of crushing
Mobility device is very heavy. Risk of injury to
hands and feet.
– Use proper lifting techniques.
Risk of injury caused by uncontrolled movement
of mobility device
– Switch power supply off (ON/OFF key).
– Engage drive.
– Before raising mobility device, secure wheels by
blocking them with wedges.
• 7/8" Allen key
• Two long wooden blocks, min. 14 x 14 x 30 cm
• Torque wrench 5 - 25 Nm (or similar)
26
Removing drive wheel
1. Lift mobility device up on one side and place a 14 cm
high wooden block underneath it so that drive wheel
is off ground and can rotate freely. Use proper lifting
techniques.
2. If necessary, repeat this procedure for other side of
mobility device.
3. Remove five screws (1).
4. Take wheel (2) off wheel hub.
Installing drive wheel
CAUTION!
Risk of injury from wheels coming loose
If wheels are insufficiently secured during
mounting, they can come loose when driving.
– When mounting wheels, tighten bolts with
prescribed torque.
– Secure all bolts using a suitable blocker (e.g.
Loctite 243).
– Never use normal nuts instead of self-locking
nuts.
– Always use new nuts and bolts with an
undamaged coating.
1. Install wheel in reverse order.
2. Tighten screws to 18 Nm.

6.5.7 Replacing tire or inner tube

There are three different types of tires or inner
tubes, and specific points must be observed for the
replacement of each type. The individual types of
tires can be easily distinguished:
• Pneumatic tires have black valve caps.
• Puncture-protected tires have red valve caps.
• Puncture-proof tires have no valves.
Proceed in accordance with the appropriate chapter:
• Replacing pneumatic tires – see "Replacing
pneumatic tires"
• Replacing puncture-protected tires – see
"Replacing puncture-protected tires"
• Replacing puncture-proof tires – see "Replacing
puncture-proof tires"
Replacing pneumatic tires
Pneumatic tires have black valve caps.
Puncture-protected tires have red valve caps.
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