Permobil Trax User manual

SERVICE MANUAL
Trax
US

Produced and published by Permobil AB, Sweden
Edition no.3, 2010-02
Order no.: 201096-US-0
How to contact Permobil
Head Office of the Permobil group
Permobil Inc. USA
6961 Eastgate Blvd.
Lebanon, TN 37090
USA
Email: [email protected]
Phone: [phone]
Fax: [phone]
Permobil AB
Box 120
861 23 Timrå
Sverige
E-post: [email protected]
Tel: [phone]
Fax: [phone]

Contents
4
Contents
Introduction .........................................................................................................................5
Technical support .............................................................................................................5
Spare parts.......................................................................................................................5
Warranties ........................................................................................................................5
Maintenance.....................................................................................................................5
Rating plates........................................................................................................................6
Raising the seat lift .............................................................................................................7
Covers ..................................................................................................................................8
Changing the batteries .......................................................................................................10
Removal ...........................................................................................................................10
Fitting ...............................................................................................................................11
Changing the drive wheel ..................................................................................................12
Changing the brake release wires.....................................................................................14
Changing/adjusting the magnetic brake...........................................................................16
Changing the drive motor ..................................................................................................19
Removal ...........................................................................................................................19
Fitting ...............................................................................................................................21
Changing the carbon-brush in the drive motor ...............................................................23
Removal of the carbon-brush...........................................................................................23
Fitting the carbon-brush ...................................................................................................24
Changing the seat lift motor ..............................................................................................25
Changing the seat lift .........................................................................................................26
Removal ...........................................................................................................................26
Fitting ...............................................................................................................................27
Changing the bush in the front/rear wheel assembly .....................................................28
Steering knuckle spring mounting in the front wheel assembly ...................................30
Manual steering (moving between the right and left sides) ...........................................32
Changing the steering wire (adjustment) - front wheel adjustment (Toe-in) ................33
Power steering (adjustment)..............................................................................................35
Potentiometer, front wheel assembly ...............................................................................36
Changing the lights/indicators ..........................................................................................37
Changing the wheel base (manually)/Electrical wheel base adjustment ......................38
Bumper positions................................................................................................................40
Pinch protection switch......................................................................................................41
Changing the seat swivel direction (manually/electrically) ............................................42
Changing the cable of the lights potentiometer ..............................................................43
Changing/moving the charging socket.............................................................................45
Changing the electronics (Safe Gate) ...............................................................................46
Changing the jack panel.....................................................................................................47
Changing the fuses in the electronics and jack panel....................................................48
"Battery cut-out" main fuse ...............................................................................................49
Accessories (bows, luggage basket/box, crutch holder, rear-view mirror) ..................50
Cable laying .........................................................................................................................56
Wiring diagram ....................................................................................................................58

5
Introduction
Introduction
The Service Manual is intended for technical personnel who maintain and repair power wheelchairs.
It is important that anyone who performs maintenance and repairs described in this manual reads and
understands the content of this manual so that the work is performed professionally. Always state the
chassis number when contacting Permobil to ensure that the correct information is provided.
Technical Support
In the event of technical problems, you should contact your dealer, or Permobil Inc. USA at 800-736-0925.
Spare parts
Spare parts must be ordered through your dealer.
Warranties
Contact your dealer or Permobil Inc. USA for information about the warranties for this chair.
Maintenance
See the information in the Owner’s Manual.

Introduction
6
Rating plates
Trax
Chassis
Seat lift
Identity marking
Chassis no.
Identity marking
Seat lift
Rear edge of
battery box

7
Rating plates
Raising the seat lift manually
If the seat lift cannot be raised in the normal
manner because the batteries are discharged
or the adjustment device is defective, the
seat can be raised manually with a 13 mm
open-end spanner.
NB. An Allen key is used on older wheelchairs.
Warning! A drill must not be used to raise the
seat.There is a risk of damage to the
electronics unit.
1. Raise the seat lift by turning the centre
bolt on the front of the seat lift
counterclockwise, see the figure to the
right.
Turn counterclockwise to raise the seat lift.
Raising the seat lift electrically
The seat lift is raised electrically using the
button box on the manoeuvring panel, see
the Instructions for Use.
WARNING!

Raising the seat lift
8
Cover (with fixed seat tube)
Removal
1. Loosen the rear Allen screws and tip the
seat forwards, see the figure to the right.
2. Unscrew the four screws which hold the
cover in place.
3. Lift off the cover.
NB. Be careful with the cable which goes
to the rear lights. Disconnect the contact
which is connected to the jack panel.
Fitting
1. Place the cover on the chassis after the
rear lighting cable has been connected to
the jack panel.
NB. The rear lighting cable must not be
pulled over any of the drive motors.
There is a risk that the cable will become
caught between the motor/brake and the
cover.
2. Screw down the four screws which hold
the cover in place.
3. Fold the seat down and refit the rear
Allen screw. Tighten the screw properly.
Rear Allen screw

9
Cover (with seat lift)
Removal
1. Raise the seat to its highest position.
If the battery is discharged, see page 6.
2. Unscrew the four screws which hold the
cover in place.
3. Lift off the cover.
NB. Be careful with the cable which goes
to the rear lights. Disconnect the contact
which is connected to the jack panel.
Fitting
1. Place the cover on the chassis after the
rear lighting cable has been connected to
the jack panel.
NB. The rear lighting cable must not be
pulled over any of the drive motors.
There is a risk that the cable will become
caught between the motor/brake and the
cover.
2. Screw down the four screws which hold
the cover in place.
Covers
Cover screws

Changing the batteries
10
Changing the batteries
NB. Use protective goggles when working with
batteries.
Removal
1. Place the wheelchair on a level base.
Raise the seat to its highest position.
If the battery is completely discharged, it is
possible to crank the seat lift up using the
hexagon head bolt or Allen screw.
The screw is located at the front under the
seat. See "Raising the seat lift" on page 6.
If the chair has a fixed seat bracket/tube,
loosen the rear screw, see page 7, and the
seat can be tipped forwards.
2. Switch off the power on the manoeuvring
panel and then switch off the electric circuit
using the battery cut-out.
3. Remove the cover, which is held in place
by four screws. See page 7.
4. Disconnect all battery connections, the
positive poles first and then the negative
poles.
5. Loosen the straps which hold the batteries
in place. Fold the front straps forwards
over the front of the battery box.
Check that the clamping bow remains in
position when the strap is loosened. See
the top figure.
Lift out the batteries. Use the batteries
handles.
Battery connection, rear poles
Front
Battery connection, front
Front
First switch off the power on the manoeuvring
panel before switching the power off on the main
fuse.
Clamping
bow
WARNING!