Invacare TDX SP2 Series Service Manual page 23

9. Remove batteries. See 6.11 Batteries, page 46.
10.
Fig. 6-7 Detail view of right walking beam assembly. For better
view top walking beam, fender and motor/gearbox unit are
Loosen nuts A that fix lower walking beam to chassis.
11. Rotate top walking beam so that bolt C and drillhole
E are in line.
12. Loosen and remove nut B on upper walking beam.
Hold bolt C in place.
13. Push bolt C towards battery box so that gas cylinder
D is separated from walking beam.
14. Push gas cylinder against battery box.
15. Raise rear axle so that gas cylinder is activated and
then retract cylinder.
16. Push gas cylinder to the rear and pull it off battery box.
Installing Cylinder
When installing nuts to lower and upper walking
beam, use thread locking adhesive.
1. Install parts in reverse order.
2. Test all functions.
Replacing Setting Screw
• 1/4 in torque wrench 5 Nm -25 Nm (or similar)
• Two long wooden blocks, min. 14 x 14 x 30 cm
• Feeler gauge with 2.0 mm
1532486-N
not shown.
Fig. 6-8
Invacare recommends always replacing both setting
screws simultaneously to ensure that the mobility
device works perfectly.
Removing Setting Screw
1. Lift the mobility device up on one side and place a 14
cm high wooden block under the battery case so that
the wheels are off the ground and can rotate freely.
Use proper lifting techniques.
2. Repeat same procedure on other side of mobility
device.
3. Remove both anti-tip system protective caps. The
protective caps on anti-tip system will either be held
using a screw or a cable tie depending on the mobility
device's date of manufacture.
4.
Loosen two screws B and remove together with
washers C.
5. Loosen and remove lock nut B of setting screw D.
6. Rotate setting screw D towards battery case until you
can remove it from its holder C.
Installing Setting Screw
• 1/4 in torque wrench 5 Nm - 25 Nm (or similar)
• Feeler gauge with 2.0 mm
1. Screw new setting screw D into holder C.
2.
Insert two screws B together with washers C.
3. Tighten screws.
4. Remove wooden block from under mobility device, so
that all casters are in contact with floor.
Fig. 6-9
Fig. 6-10
Service
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