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Powerchair

Service Manual

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Содержание Shoprider

Страница 1: ...Powerchair Service Manual ...

Страница 2: ...s 6 Body panel removal 7 Battery and battery charging information 8 Battery removal and testing 9 Brake removal and testing 10 Motor brush removal and checks 11 Transaxle Assembly 12 Wheels and tyres 13 General checks and tips 14 Controller errors and diagnostic guide 15 Annual Inspection Checks 16 Wiring diagrams 2 ...

Страница 3: ... of a colleague or use suitable lifting equipment wherever possible Be aware of where component parts are placed when dismantling a powerchair Do not leave parts in walkways or in places where they may fall and cause injury edge of a bench etc Never attempt maintenance or repair if the powerchair is connected to the mains power supply Also disconnect the batteries to prevent any unexpected movemen...

Страница 4: ...t occurs within this period due to faulty workmanship or materials that the product will be repaired or replaced at the Company s discretion free of charge Any unauthorised modifications will invalidate the warranty Parts which are subjected to normal wear and tear accidental damage neglect or misuse are excluded from this warranty Normal wear and tear includes tyres chassis covers bulbs seat cove...

Страница 5: ...cking compound Torque wrench up to 25Nm rated Wire stripper Crimp tool and crimps Mole grips Rubber mallet Stanley knife Circlip pliers Pliers long nose and combination Tyre pump and pressure gauge Tape measure and metal rule Recommended Stock Spares Roma Medical carries a comprehensive stock of spare parts it is recommended that certain parts should be to hand these would include Motor Brushes Bl...

Страница 6: ...located on a label on the rear chassis frame Alternatively if you have the model name this can be cross referenced to the product ID Product ID Product Name S888WA Verona S888W Nippy S888WS Snappy SUL7 Vienna SUL8 Venice S888WNLS Sena S888WNLM Malaga S888WNLL Lugano Please see image below for an example of the serial number label Always refer to the serial number and product ID when ordering spare...

Страница 7: ...ers under the seat which enable the seat to be lifted forward to gain access to the running gear batteries and looms Unplug the controller and remove the armpad by undoing the arm height adjustment handknob place this carefully to avoid damage Release the two rear yellow levers and lift the seat forwards and over Place a protective sheet on the floor to protect the seat The Sena and Malaga chassis...

Страница 8: ...8 ...

Страница 9: ...cover which is secured with Velcro strips To remove the cover you should first remove the seat as described previously The UL8 Vienna has a front and rear cover The powerchair must be disassembled as per user manual before removing the rear cover Ensure all handknobs and seat post pins are removed and put in a safe place Carefully lift the chassis cover away from the powerchair and place on cardbo...

Страница 10: ...ed S888WNLS Sena 21 S888WNLM Malaga 34 36 S888WNLL Lugano 73 75 Charging Each powerchair is supplied with a charger this may be either a switch mode type or transformer type The switch mode charger will automatically stop charging when the cycle is complete The transformer type will revert to a trickle charge mode when the cycle is complete Charging status will be indicated by LEDs on the charger ...

Страница 11: ...e batteries These are not designed to test deep cycle batteries used with powerchairs and can cause permanent damage to a battery A simple test to indicate a possibly failed battery is to run the powerchair under load and take a voltage reading of each battery with a multimeter To do this remove the shroud covering the batteries and connect the multimeter to one of the batteries Re fit the seat an...

Страница 12: ... clearly identified for positive and negative polarities Each powerchair will have a negative and positive battery cable These can be identified by the location of the fuse holder on the cable If the holder is located on the negative black wire then it can be identified as a negative battery cable Always ensure that battery terminal connections are secure and clean Please order the correct cable w...

Страница 13: ...ibly stuck It is easier to diagnose brake faults when the brake is removed from the motor as you can see the internal mechanism physically release and lock A brake may stick if the powerchair has not been used for a prolonged period of time If power is reaching the brake but it does not release check to see if there is any corrosion inside the end of the brake by the plate with the hexagonal hole ...

Страница 14: ...when re fitting the brush caps gently tighten until the cap securely locates do not over tighten as this can cause the brush cap to break When changing the brushes it is a good idea to make sure the commutator contacts are clean Look down the brush housing to see for any visible signs of dust debris If necessary clean out the motor with compressed air or electrical contact cleaning spray DO NOT us...

Страница 15: ...mponents which are located between the interfaces of the three main components to ensure functionality of the full assembly It is critical that the interface components hex nut drive coupling are present during the re assembly of the unit Please note that the hex nut is secured on the motor shaft with two grub screws Failure to secure the hex nut to the drive shaft will cause the brake to be in ef...

Страница 16: ...r rim these are held together by four bolts The wheel is mounted using a central 8mm bolt which should be tightened to 15Nm torque Always use a thread locking compound to the specification previously mentioned when re assembling the wheel and on the main axle bolts when re fitting the wheel to the powerchair The chart below shows the manufacturers recommended tyre pressure for different sized whee...

Страница 17: ...d Faults that occur with batteries will appear in the first 3 months of use later than this normally is due to misuse Put the powerchair on blocks to get the rear wheels clear of the ground Measure motor voltage at the white 4 pin connector going to the motor The thicker wires are the motor wires This should measure 0 volts when you first turn on powerchair Push the joystick to increase the speed ...

Страница 18: ...ou For warranty replacement have the Model Number Serial number of the powerchair and the part and purchase date of the powerchair ready We will arrange for our Returns Form to be sent with the warranty replacement parts Please check the following also when examining a powerchair which appears to be faulty Circuit breakers Battery fuses All loom connections Motor brushes and brush caps Battery vol...

Страница 19: ...l sometimes pull the cable to disconnect the controller instead of pulling the plug which can lead to damaged connections Check voltage at charge socket see battery removal Should all the above checks not identify a fault it is likely that the joystick controller is faulty If possible test with a replacement to confirm Do not use joysticks from different models to affect a permanent repair as each...

Страница 20: ...ce this part of the display oscillating to and fro it indicates that the VSI has been locked Please refer to VSI Lock Function to understand the locking unlocking procedure Penny Giles VSI Controller Battery Gauge Possible Fault 10 bars flash Battery voltage too high Check battery connections 9 bars flash Electromagnetic brake fault 8 bars flash Possible joystick controller fault 7 bars flash Poss...

Страница 21: ...p this indicates that the system is unlocked and ready for use VSI controllers can be re programmed using a PP1 unit which can enable disable this function Flash Code Fault Type Suggested Actions 1 Low Battery Voltage Fault Check battery voltage is above 17v Check battery connections and terminals Check condition of batteries 2 High Voltage Fault Check battery voltage is below 32v Check battery wi...

Страница 22: ...nd NOT the time that the unit has been switched on To access the information you will require a PP1 image below hand held programmer available from PG Drives Technology Simply plug the programmer into the charge socket and switch the unit on Use the keypad to scroll to the Read Timer option and press enter The run time in hours will be displayed on the screen 22 ...

Страница 23: ...tor brushes are not overly worn As a reference a new motor brush is approximately 15mm long Check for any lubricant leaks from the gearbox Electromagnetic Brake Function When driving release the joystick to allow the brakes to operate The powerchair should stop in less than 60cm Should the distance be greater the joystick may be programmed to reduce or increase the stopping distance using the corr...

Страница 24: ...t points gearbox drive train mounting points armrest and footrest brackets and areas where the chassis can be split for transportation where applicable Check bolts E These secure the seat to the seat mounting plate If any are missing refer to the relevant spare parts list for replacements Parts B D are either hand knobs or levers and should be fully tightened and show no signs of free play 24 ...

Страница 25: ...pressure should be set as previously mentioned There should be at least 1mm tread depth General Integrity Check for loose handknobs and bolts pay attention to seat and arm adjustment handknobs tighten where necessary Should any thread appear worn replace Castors should be checked for secureness There should be no more than 1mm play over the entire length of the castor stem An obvious sign of a loo...

Страница 26: ...Adjustment of the lap belt Ensure that the user is sitting back fully into the seat with the pelvis as upright as possible and not leaning to one side Close the buckle and position the belt so that the hip bones can be felt above the lap belt Adjust the strap length by pulling on the open end of the belt As a guide the belt should be adjusted so that there is sufficient room for two fingers to sli...

Страница 27: ...vailable a multimeter can be used to confirm that the batteries are receiving charge Take an initial reading from across both batteries ve on one battery to the ve on the other battery Begin the charge cycle and take another reading after approximately 15 minutes This reading should be approximately 26 27 volts This reading can rise to over 28 volts Should this not occur check looms for continuity...

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