Invacare® Bora® / Spectra® XTR Series
3.
Carefully insert motor into gearbox. Pay attention to
position of groove in axle of gearbox. If necessary,
rotate motor and gearbox to correct position.
4.
Insert carriage bolt through locking ring. Do not forget
spacer sleeve (2).
5.
Install washer and self-locking nut.
6.
Do not tighten self-locking nut completely, as motor
orientation must be adjusted during installation.
7.
Install motor-gearbox unit. See
.
5.7.7 Replacing Carbon Brushes
The mobility device can be fitted with 2-pole or
4-pole motors. Always replace all carbon brushes
on both motors at the same time. Use only the
same type of carbon brushes.
DuraWatt motors are service-free due to lifetime
brushes.
CAUTION!
Risk of Crushing to Hands and Feet by Weight
of Mobility Device
– Pay attention to hand and feet.
– Use proper lifting techniques.
•
6 mm Allen key
•
10 mm socket wrench
•
Flat screwdriver
•
Two oblong wooden blocks, at least 14 x 14
x 30 cm
Removing Carbon Brushes
1.
Turn off mobility device.
2.
Remove drive wheels. See
3.
Fig. 5-14
Fig. 5-15
Set engaging lever to “Push“ to disengage motor (1).
You can loosen bolt (5) with 10 mm socket
wrench and then turn motor around so that
you can access rear carbon brushes more
easily.
4.
Loosen and remove all four plastic caps (3) using a
flat screwdriver.
5.
Note fixing position and location of carbon brushes.
Used carbon brushes need to be refitted
exactly in the same position from which they
were taken to guarantee optimum contact to
the collector.
6.
Make a marking on motor and carbon brushes to
guarantee correct refitting.
7.
Remove carbon brushes completely from mounting (2).
8.
Check carbon brush and spring for level of wear,
broken components or discolouration.
Installing Carbon Brushes
1.
Depending on condition of brush and spring:
•
either replace brushes in exactly the same
position from which they were taken or
•
fit new brushes.
2.
Refit plastic caps and tighten them firmly.
3.
Turn motor round in position so that engaging lever
can be set both to "Push" and "Drive" position.
4.
Retighten bolt (5) finger-tight.
5.
Refit drive wheels. See
6.
The following procedure is necessary to run
the carbon brushes in after replacement and
thus guarantee maximum performance.
CAUTION!
Risk of accidents
Hazards to workers, surroundings and
mobility device
– Do not leave mobility device unattended
during following procedure.
– Make sure that both drive wheels are
raised and cannot touch ground.
– Secure area.
Lift mobility device up on one side and get a second
person to place a wooden block at least 14 cm high
underneath it so that drive wheel is suspended freely.
7.
Repeat this on the other side of mobility device.
8.
Allow motors to run for an hour in forward direction.
9.
Allow motors to cool down for 30 minutes.
10. Allow motors to run for an hour in reverse direction.
11. Lift mobility device off wooden blocks.
5.7.8 Replacing Engaging Turn Knob
When replacing the engaging turn knob, you must
ensure that the correct fitting position is used
during assembly.
•
3 mm Allen key
1.
Fig. 5-16
Screw shim onto grub screw.
2.
Place screw joint in engaging turn knob (rear side (1)).
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