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Brake release cables 

11

Fig. 17. Brake release system. 

1

2

Brake release cables 

Removal

1.

Raise the seat to its highest position. To
operate the seat lift manually, see page 7. 

2.

Remove the battery cover and chassis cover, 
see page 8. 

3.

Remove the brake release mechanism, it is
attached by two bolts, see fig. 16. 

4.

Slacken the locknut, see fig. 17:2. 

5.

Screw the adjusting screw fully in, 
see fig. 17:1. 

6.

Detach the cable at the magnetic brake and
brake release mechanism. 

Fitting

1. 

Attach the cable to the brake release
mechanism, then to the magnetic brake. 

2.

Adjust the length of the cable sleeve using the
adjusting screw (17:1), so that the cable is
tensioned but does not pull the release link. 

3.

Check the operation. Operate the brake
release mechanism to release the brake and
check that the wheel can turn. 

4.

Tighten the locknut (17:2). 

5.

Refit the brake release mechanism. 

6.

Refit the covers. 

Brake release sensor 

Removal

1.

Raise the seat to its highest position. To
operate the seat lift manually, see page 7. 

2.

Switch off the main switch on the control panel.

3.

Put the circuit breaker to the “OFF” position,

see page 23, fig. 52.

4.

Remove the battery cover and chassis cover, 
see page 8. 

5.

Remove the brake release mechanism, it is
attached by two bolts, see fig. 16. It is easier to
remove the brake release sensor with the brake
release mechanism removed. 

6.

Remove the brake release sensor, it is
attached by two screws, see fig. 18. 

7.

Disconnect the connector in the brake release
sensor cable. 

Fitting

Fitting is the reverse procedure.

Fig. 16. The brake release mechanism is

attached by two bolts. 

Fig. 18. The brake release sensor is attached by

two screws.

Summary of Contents for Koala

Page 1: ...SERVICE MANUAL Koala US ...

Page 2: ......

Page 3: ... US 0 How to contact Permobil Head Office of the Permobil group Permobil Inc USA 6961 Eastgate Blvd Lebanon TN 37090 USA Phone 800 736 0925 Fax 800 231 3256 Email info permobilusa com Permobil AB Box 120 861 23 Timrå Sweden Tel 46 60 59 59 00 Fax 46 60 57 52 50 E mail info permobil se ...

Page 4: ... 8 Batteries 9 Drive wheels 10 Brake release cables 11 Brake release sensor 11 Magnetic brakes 12 Drive motors 13 Seat elevator 18 Actuators 18 Gas springs 19 Slide bearings 19 Pilot Motor Controller 20 SLS drive stage seat function board 21 Control panel 22 Seat control panel 22 Circuit breaker and fuses 23 Circuit breaker 23 Charge fuse 24 Fuse for seat lights 24 Troubleshooting 25 Distribution ...

Page 5: ...e 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 ...

Page 6: ...6 Data plates Chassis Rating plates Control panel Pilot Motor Controller Fig 1 Chassis identification number Fig 2 Pilot Motor Controller identification number Fig 3 Control panel identification number ...

Page 7: ... a battery or other voltage source not exceeding 24 VDC An ordinary 12V car battery is sufficient to operate the seat lift on a temporary basis If you do not have a cable for emergency operation or the lift mechanism is faulty you can raise the seat manually 1 Remove the cushion from the seat 2 Remove the seat plate it is attached by three bolts see fig 5 3 Remove the front fixing from the lift me...

Page 8: ...e cover off completely see fig 8 4 Remove the chassis cover It is held by two screws at the front edge and two on either side see fig 9 10 Fitting Fitting is the reverse procedure Fig 8 The battery cover is attached by two knobs at the front edge Be careful with the anti trap mechanism cable Fig 9 The chassis cover is attached by two screws at the front edge Fig 10 The chassis cover is attached by...

Page 9: ...positive terminals first see fig 12 7 Remove the spacer plate at the front of the battery compartment by pulling it straight upwards see fig 13 8 Lift out the batteries Fitting Fitting is the reverse procedure On Off Fig 11 Circuit breaker Battery isolator Fig 12 Battery connections Fig 13 Remove the spacer plate from the battery compartment by pulling it straight upwards Use caution when you remo...

Page 10: ...Do not use any other type of thread lock Warning Do not use any type of lubrication in the threaded hole in the axle or on the bolt If necessary you should clean these parts 4 Fit the wheel onto the axle The use of hand force only is preferred but if need be carefully use a rubber mallet whose head diameter is no less than 1 5 inches 38 mm to ensure that the rim is fully seated upon the motor NB H...

Page 11: ... the brake release mechanism to release the brake and check that the wheel can turn 4 Tighten the locknut 17 2 5 Refit the brake release mechanism 6 Refit the covers Brake release sensor Removal 1 Raise the seat to its highest position To operate the seat lift manually see page 7 2 Switch off the main switch on the control panel 3 Put the circuit breaker to the OFF position see page 23 fig 52 4 Re...

Page 12: ... circuit breaker to the OFF position see page 23 fig 52 5 Remove the battery cover and chassis cover see page 8 6 Disconnect the magnetic brake and drive motor electrical connectors see fig 19 7 Pull the cable sleeve forwards and take the cable out through the slot in the cable mounting Unhook the brake release cable from the magnetic brake see fig 20 8 Raise the relevant side of the chair using t...

Page 13: ...3 Magnetic brake fixing bolts 11 Lift up the rear end of the drive motor to make it easier to remove the magnetic brake see fig 22 12 Remove the three bolts that hold the brake see fig 23 Note the position of the brake release arm and rubber seal for refitting Remove the brake complete with the disc and cover ...

Page 14: ...f the brake then turn the screws downwards 1 8 turn see fig 24 2 Fit the brake disc into the magnetic brake 3 Fit the cover 4 Insert a bolt 26 1 to align the parts Fig 24 Use the two adjusting screws to adjust the brake Fig 25 Magnetic brake brake disc cover and rubber seal removed Fig 26 Use a bolt 1 to align the parts 1 2 ...

Page 15: ...ee bolts 6 Refit the drive motor see fig 21 on page 12 7 Refit the drive wheel see page 10 8 Fit the brake release cable see fig 28 9 Connect the magnetic brake and drive motor electrical connectors see fig 29 10 Fit the battery cover and chassis cover see page 8 Fig 28 Fit the brake release cable Fig 27 Use one of the bolts to align the parts with one another Fit the rubber seal Fig 29 Magnetic b...

Page 16: ...the battery cover and chassis cover see page 8 5 Disconnect the drive motor and magnetic brake electrical connectors see fig 31 6 Pull the cable sleeve forwards and take the cable out through the slot in the cable mounting Unhook the brake release cable from the magnetic brake see fig 32 Drive motor Fig 31 Disconnect the electrical connectors Fig 32 Disconnect the brake release cable Fig 30 Circui...

Page 17: ...hair on blocks 9 Remove the drive wheel on the relevant side the wheelchair see page 10 10 Remove the three bolts holding the motor Fitting Fitting is the reverse procedure When fitting a new motor use the cable mounting from the old motor Drive motor Fig 33 Drive motor fixing bolts Fig 34 Removing the drive motor ...

Page 18: ...fig 35 6 Remove the seat lift actuators front fixing bolt see fig 36 7 Lift the seat manually to its highest position Ensure that the safety stop is in place see fig 37 8 Disconnect the connector in the seat lift actuator cable 9 Remove the seat lift actuator rear fixing bolt see fig 38 Fitting Fitting is the reverse procedure Fig 35 The seat plate is attached by three bolts Fig 36 Seat lift mecha...

Page 19: ...he gas spring attachment 40 4 10 Drive out the spring tension pin 40 7 and remove the tube Fitting Fitting is the reverse procedure Slide bearings Changing a bearing The basic procedure for changing a bearing is the same for all bearings 1 Remove the part where the bearing is to be changed 2 Deform the bearing by driving a drift through the hole in the bearing seat see fig 41 Pull out the deformed...

Page 20: ...t lift cover and chassis cover see page 8 5 Lift the Pilot Motor Controller out of its holder see fig 42 43 6 Disconnect the electrical connectors from the output stage note their locations for refitting see fig 44 Fitting Fitting is the reverse procedure Pilot Motor Controller Fig 42 The Pilot Motor Controller sits in its holder without any fixings Fig 43 Lift up the Pilot Motor Controller Fig 44...

Page 21: ...tage and actuator control board see fig 45 6 Remove the box that contains the SLS driver stage and actuator control board it is attached by two screws from underneath see fig 46 Seat function board 7 Remove the electrical connectors from the actuator control board note their locations for refitting 8 Remove the board from the box it is attached by four plastic clips see fig 47 SLS driver stage 9 C...

Page 22: ...l panel see fig 49 Fitting Fitting is the reverse procedure Seat control panel Removal 1 Switch off the main power switch on the control panel 2 Put the circuit breaker in the OFF position see page 23 fig 52 3 Remove the cover of the Seat control panel by pulling it straight upwards If the lid is stuck you can carefully use a screwdriver to pry between the lid and the lower part of the end of the ...

Page 23: ...sitive lead which is between the battery and the circuit breaker 5 Remove the circuit breaker by removing the two screws see fig 53 6 Disconnect the cables from the circuit breaker by loosening the screws see fig 54 7 Connect the cables to the new circuit breaker Put the circuit breaker to the OFF position 8 Attach the new circuit breaker with the two screws see fig 53 9 Connect the battery positi...

Page 24: ... switched These protect two free outlets which are located beside the SLS driver stage One of the outlets unswitched supplies power irrespective of whether the chair is switched on or off The other outlet switched supplies power only when the chair is switched on Fuse F2 protects the seat and lights 1 Remove the seat lift cover and chassis cover see page 8 2 Pull the lid off the box that houses th...

Page 25: ...e circuit Fault in the electronics Fault in the control panel Short circuit right drive motor Open circuit right drive motor Short circuit left drive motor Open circuit left drive motor Low battery voltage Check the battery and the connections between the battery and Pilot Motor Controller Check the connections to the magnetic brake Check the connections to the Pilot Motor Controller If the fault ...

Page 26: ...Distribution chart 26 A B C D E F 1 2 3 4 ...

Page 27: ...Distribution chart 27 Distribution chart A B C D E F 5 6 7 8 ...

Page 28: ...Notes 28 ...

Page 29: ...Notes 29 ...

Page 30: ...Notes 30 ...

Page 31: ......

Page 32: ...Article no 201164 US 0 ...

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