Wheels; Replacing Rim Inserts In Drive Wheels; Replacing Caster Fork - Invacare TDX SP2 Service Manual

Invacare® TDX® SP2 Series
• 6 mm Allen key
• 5/8" Allen key
• 7/8" Allen key
• 5/16" Allen key
• Phillips screwdriver size 2
• 13 mm socket wrench
• 1/2" socket wrench
• 1/4" socket wrench
• 5/16" socket wrench
• Torque wrench 5 - 25 Nm (or similar)
• Torque wrench 10 - 80 Nm (or similar)
• Two long wooden blocks, min. 14 x 14 x 30 cm
Removing motor/gear box unit
1. Remove rear battery box shroud, as described in 6.6.2
Removing rear shroud, page 30.
2. Disconnect motor plug from power module.
3. Open cable ties so you can freely access motor cable.
4. Remove drive wheel, as described in 6.5.6 Replacing
drive wheel, page 26.
5. Remove wheel hub, as described in 6.4.6 Replacing drive
wheel hub, page 23.
6.
Loosen four screws (3).
7. Remove screws.
8. Remove motor/gear box unit (1) from walking beam (2).
Installing motor/gearbox unit
1. Replace defective components.
2. Before installing a new motor/gearbox unit, make sure
sealing ring is correctly mounted. The sealing ring
securely attaches motor and gearbox. The ring must be
installed such that self-locking nut is located on outside.
3. If the sealing ring is incorrectly installed, rotate it
around as described in 6.4.3 Replacing or rotating
motor/gearbox unit sealing ring, page 21.
4. Install motor/gearbox unit in reverse order.
5. Install all cable ties. Make sure to tie motor cable A to
frame at 24 cm B.
24
6.
Use scale to align motor to center axis (1),
2-pole motors and 4-pole motors:
• Left: 0°
• Right: 0°
7. Make sure that motor cable cannot be pinched or bent,
and that it is not exposed to chafing in any place.
8. Test all functions (trial run).

6.5 Wheels

6.5.1 Replacing rim inserts in drive wheels

• Slotted screwdriver
Removing rim insert
1. Insert tip of screwdriver between rim and rim insert.
2. Remove rim insert.
Installing rim insert
1. Hold insert over rim.
2.
Carefully push to fasten rim insert, until foot of rim
insert A snaps and rim insert B clings to rim.

6.5.2 Replacing caster fork

• Size 2 Phillips screwdriver
• 5/8" socket wrench
Removing caster fork
1. Loosen and remove Philips screw (2).
2. Take cap (1) off steering head (3).
1532486-L