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Invacare® Bora® / Spectra® XTR Series
5 Service
5.1 General warning information on
installation work
CAUTION!
Risk of damage to vehicle
Collisions can be caused if the adjusting washers are
removed during fitting work to the drive wheels.
Adjusting washers are often fitted between the drive
shaft and the wheel hub to even out tolerances. If these
adjusting washers are removed and not replaced again,
collisions can be caused.
– Always replace the adjusting washers exactly as they
were before you started dismantling.
CAUTION!
Risk of injury and damage to property, if the
maximum speed reduction on a mobility device
with a lifter does not function correctly
The mobility device's control unit must reduce the
maximum possible speed as soon as the lifter is raised.
– Test the maximum speed reduction for correct
function after any maintenance work or modifications
to the mobility device.
5.2 Tightening torques
CAUTION!
Risk of damage to mobility device due to
improperly tightened screws, nuts or plastic
connections.
– Always tighten screws, nuts etc. to the stated
tightening torque.
– Only tighten screws or nuts which are not listed here
fingertight.
5.3.2 Drive fault diagnosis
Problem
Mobility device will not
start
Mobility device judders
in drive mode
12
Other symptoms
Possible cause
The remote status display
Drive motors disengaged
illuminates normally and
shows an error code.
Remote status display
Batteries defective
does not illuminate
Completely discharge
battery
Power supply to remote
interrupted
Remote defective
Remote status display
Various causes
blinking
None
Batteries defective
(unstable voltage)
Drive motor(s) defective
The tightening torques stated in the following list are based on the
thread diameter for the nuts and bolts for which no specific values
have been determined. All values assume dry and de-greased threads.
Thread
M4
M5
M6
M8
M10
M12
M14
M16
5.3 Troubleshooting
5.3.1 Operational faults
Proceed as follows if you have any problems:
1.
First assess the possible cause of the problem using the following
table.
2.
Check the remote status display. Evaluate the flash error code.
3.
Carry out the necessary checks and repairs as recommended in
the following table.
The various power modules can be fitted in connection with diferent
remotes in the mobility device. Rectification of operational faults
depends on the power module fitted. The power modules used are
described in the corresponding controls manual.
The tables for rectification of operational faults listed in the
following chapters are only an excerpt from the original
manufacturer's manuals. You can obtain the original manuals
from Invacare®.
Solution
Engage drive motors
Replace batteries
Pre-charge batteries
Check master fuse
Check cables between
the modules for loose
connections and damage
Assess error code
Replace batteries
Replace motor(s)
Replace carbon brushes
Tightening torque in
Nm ±10%
3 Nm
6 Nm
10 Nm
25 Nm
49 Nm
80 Nm
120 Nm
180 Nm
Documentation
See corresponding remote
manual
See 5.9.7 Batteries, page
30
See user manual
See Main fuse, page 32
See Cables, page 33
See corresponding remote
manual
See 5.9.7 Batteries, page
30
See 5.6 Drive components,
page 16
1528338-P
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