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SERVICE MANUAL

Chairman HD3

US

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Summary of Contents for Chairman HD3

Page 1: ...SERVICE MANUAL Chairman HD3 US ...

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Page 3: ...Produced and published by Permobil AB Sweden Edition no 3 2009 08 Article no 201161 US 0 How to contact Permobil Head Office of the Permobil group ...

Page 4: ...kes 13 Drive motors 16 Seat elevator 18 Seat elevator cables 19 Seat elevator motor 19 Seat elevator drive belt 20 Changing the seat elevator drive belt 20 Adjusting the belt tension 20 Pilot output stage 21 SLS drive stage 21 Control panel 22 Seat control panel 22 Circuit breaker and fuses 23 Circuit breaker 23 Charge fuse 23 Fuse for seat lights 24 Brake release sender 24 Seat electronics 25 Sea...

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 Rating plates Rating plates Chassis Pilot output stage Control panel Fig 1 Chassis identification number Fig 2 Pilot output stage identification number Fig 3 Control panel identification number ...

Page 7: ...ver next to the charge socket see fig 4 4 Raise lower the seat using the seat elevator crank supplied see fig 5 Fixed seat post 1 Remove the cover and plastic plug from the seat 2 Loosen the seat tube clamp screw 6 2 3 Crank up the seat using the seat elevator crank supplied see fig 5 4 Lower the seat and turn it so that the locating screw 6 1 seats in its groove 5 Tighten the seat tube clamp scre...

Page 8: ...ke release lever is in the forward position 3 Remove the rear cover it is attached by five screws Unscrew the rubber pads on the seat support Disconnect the rear light cable at the connector in the cable 4 Remove the seat elevator cover it is attached by two screws on the top of the chassis 5 Remove the front cover it is attached by two screws on the front edge Fitting Fitting is the reverse proce...

Page 9: ...easier you can also disconnect the electrical connections for the drive motor magnetic brake lights and brake release sender Make a careful note of the location of the cables for reconnection 7 Lift out the batteries Fitting 1 Lift the batteries into position with the poles at the back see fig 10 2 Reconnect the battery leads negative first 3 Attach the electrical connections for the drive motor m...

Page 10: ... install the new key and check for fit 3 Lubricate the shaft with a thin layer of copper paste Würth 0893800x Art no 1820540 Warning Other types of bolts or washers are not to be used Warning 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 ...

Page 11: ...sting The degree of flex of the support wheels can be adjusted using the adjusting screw on front of the bracket For the Chairman HD3 the support wheel should always flex as little as possible i e the adjusting screw should be tightened right down When the adjusting screw is tightened right down it is locked by the lock washer fitted to it see fig 15 Fig 15 Adjusting the support wheels Fig 14 Fitt...

Page 12: ... 8 4 Slacken the locknut see fig 16 2 5 Screw the adjusting screw fully in see fig 16 1 6 Detach the cable at the magnetic brake and brake release mechanism Fitting 1 Attach the cable to the magnetic brake then to the release lever 2 Adjust the length of the cable sleewe using the adjusting screw 16 1 so that the cable is tensioned but does not pull the brake release arm 3 Check the operation Oper...

Page 13: ... to facilitate removal of the magnetic brake 6 Disconnect the electrical connector from the magnetic brake see fig 17 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 18 8 Unscrew the three screws that hold the brake see fig 19 Note the position of the brake release arm for refitting Remove...

Page 14: ...he instructions on the back of the magnetic brake see fig 20 2 Fit the brake disc into the magnetic brake 3 Fit the cover Magnetic brakes Fig 20 Adjusting the magnetic brake using the two adjusting screws Fig 21 Magnetic brake brake disc and cover removed Fig 22 Magnetic brake brake disc and cover fitted ...

Page 15: ...gnetic brake using the three bolts 5 Connect the magnetic brake electrical connector see fig 24 6 Fit the brake release cable see fig 25 7 Fit the batteries see page 9 8 Fit the covers see page 8 Magnetic brakes Fig 24 Magnetic brake electrical connector Fig 23 Align the parts with one another using one of the fixing bolts Fig 25 Magnetic brake release cable ...

Page 16: ...oval of the motor 6 Raise the relevant side of the chair on blocks 7 Remove the wheel see page 10 8 Disconnect the electrical connectors to the motor and magnetic brake 9 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 28 Fig 27 Magnetic brake and drive motor electrical connectors Drive moto...

Page 17: ...bolts holding the motor 11 Turn the motor sideways to free the wheel shaft Pull the motor straight forwards Fitting Fitting is the reverse procedure Drive motor Fig 29 Drive motor mounting bolts Fig 30 Removing a drive motor ...

Page 18: ...clamp that holds the two safety senders see fig 33 1 7 Loosen the lower seat elevator mounting bolts see fig 31 2 8 Remove the upper mounting bolts see fig 31 1 9 Remove the seat elevator by pulling it straight upwards 10 Remove the tie holding the seat elevator cable Follow the cable to the end Disconnect the connector for the SLS drive stage and the connector located next to the SLS drive stage ...

Page 19: ...y three bolts Fig 35 Seat elevator motor electrical connections Blue Green Fig 33 Seat elevator senders 1 2 Fig 34 Attachment of the senders to the seat elevator 4 2 3 2 1 5 6 7 Seat elevator motor Removal 1 Remove the seat elevator see page 18 2 Disconnect the seat elevator cable at the motor note the position of the cable for refitting 3 Remove the three mounting bolts see fig 36 Fitting Fitting...

Page 20: ...new belt using the reverse procedure 5 Adjust the belt tension by moving the motor shaft sideways see the description below 6 Fit the seat elevator see page 18 Adjusting the belt tension 1 Loosen the two bolts near the belt see fig 37 2 Adjust the belt tension by moving the motor shaft sideways 3 Tighten the two screws 4 Check the belt tension The belt is correctly tensioned when it can be pressed...

Page 21: ... plate Fig 40 Electrical connectors for the Pilot output stage SLS Drive stage Removal 1 Raise the seat to its highest position see page 7 2 Put the circuit breaker in the OFF position see page 23 3 Remove the battery cover and rear cover see page 8 4 Loosen the knob that holds the cover plate over the electronics see fig 39 5 Lift up the drive stage 6 Pull the cover off the drive stage 7 Cut off ...

Page 22: ...tuck you can carefully use a screwdriver to pry between the lid and the lower part of the end of the box see fig 44 2 You can now lift the circuit board and cable out of the box 3 Disconnect the cable from the circuit board by pulling the connector straight upwards see fig 45 4 To remove the control panel remove the screws holding the common bracket for the control panel and Seat control panel see...

Page 23: ...e OFF position see fig 46 3 Disconnect the battery positive lead which is between the battery and the circuit breaker 4 Remove the circuit breaker by removing the two screws see fig 47 NB Note the orientation of the circuit breaker The ON OFF positions must agree with the label 5 Disconnect the cables from the circuit breaker by loosening the screws see fig 48 6 Connect the cables to the new circu...

Page 24: ...d on The seat and lights are normally connected to this outlet 1 Switch off the main switch on the controlpanel 2 Put the circuit breaker in the OFF position see page 23 3 Remove the battery cover and rear cover see page 8 4 Loosen the knob that holds the cover plate over the electronics lift up the SLS drive stage see fig 21 5 Pull the lid off the SLS drive stage 6 Change the blown fuses 7 Put th...

Page 25: ...her the two plastic pins that stick out on the underside of the box Fitting Fitting is the reverse procedure Safety senders There are four safety senders on the seat two for the seat elevator one under the seat plate and one next to the tilt adjuster see fig 54 All four senders have the same type of mounting so removing and fitting are similar Removing fitting the safety senders for the seat eleva...

Page 26: ...ent limiting circuit board see page 25 4 Remove the actuator by removing its fasteners The fasteners consist of a bolt and nut or a peg with a retaining ring on each side see figs 57 59 5 Cut off the ties holding the cable between the actuator and the seat function board 6 Disconnect the cable connector from the current limiting board Fitting Fitting is the reverse procedure Fig 58 Backrest actuat...

Page 27: ...in the brake 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 control Inuit Check the connections to the magnetic brake Check the connections to the output stage If the fault persists...

Page 28: ...Distribution Chart 28 A B C D E F 1 2 3 4 ...

Page 29: ...Distribution Chart 29 Distribution chart A B C D E F 5 6 7 8 ...

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Page 32: ...Article no 201161 US 0 ...

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