Replacing Or Rotating Motor/Gearbox Unit Sealing; Ring; Replacing Motor/Gearbox Clutch - Invacare TDX SP2 Series Service Manual

Invacare® TDX® SP2 Series
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 6.7.3 Replacing or rotating
motor/gearbox unit sealing ring, page 30.
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.
6.
Use scale to align motor to centre 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. If LiNX system is used, perform calibration process.
See Suggested programming procedure in LiNX service
manual.
9. Test all functions (trial run).
6.7.3 Replacing or rotating motor/gearbox unit
sealing ring
CAUTION!
Risk of crushing
The motor / gearbox unit is very heavy. Risk
of injury to hands.
– Pay attention to heavy weight.
30
Fig. 6-20
Fig. 6-21
• 6 mm Allen key
• 5/8" Allen key
• 7/8" Allen key
• 5/16" Allen key
• Phillips screwdriver size 2
• 10 mm socket wrench
• 1/2" socket wrench
• 1/4" socket wrench
• 5/16" socket wrench
• Torque wrench 0 - 25 Nm (or similar)
• Torque wrench 10 - 80 Nm (or similar)
• Two long wooden blocks, min. 14 x 14 x 30 cm
Removing sealing ring
1. Remove motor/gearbox unit, as described in chapter
8.14.2.
2. Use wrench to loosen and remove nut (2) including
washer.
3. Remove screw (2), which secures sealing ring (3).
4. Carefully bend sealing ring apart and remove it.
Installing sealing ring
1. Install sealing ring so square hole for carriage screw is
on inside of mobility device.
2. Insert carriage screw through sealing ring.
3. Install washer and self-locking nut.
4. Do not tighten nut completely, as motor orientation
must be adjusted during installation.

6.7.4 Replacing motor/gearbox clutch

CAUTION!
Risk of crushing
Motor / gearbox unit is very heavy. Risk of
injury to hands.
– Pay attention to heavy weight.
• 5/8" Allen key
• 7/8" Allen key
• 5/16" Allen key
• 6 mm Allen key
• Phillips screwdriver size 2
• 10 mm wrench
• 1/2" wrench
• 1/4" wrench
• 5/16" wrench
• Torque wrench 0 - 20 Nm (or similar)
• 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
1532486-N