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5

4 Required Tools

The following list ensures that you use the right implement for every procedure. You will find the maintenance 

plan at the end of the service instructions manual.

Reversible ratchet handle wrench 

and sockets, sizes 8 – 2

Allen wrenches, 

sizes 2.5 – 8

Wrenches, 

sizes 8 – 24

Water pump pliers DIN 8976, 

gripping width up to 32 mm

Screwdrivers, blade 

widths 2.5/3.5/5.5 mm

Phillips head screwdriver, size 2 mm 

 

Plastic hammer

Hammer approx. 300 g

Side cutting pliers

3 Preface

Regular maintenance is important. It increases safety and prolongs the service life of the product. 

All rehab products should be inspected and serviced once a year. If the product is used frequently, or if it is used by 

growing children or patients with changing clinical conditions, we recommend readjusting and servicing the product 

every 6 months. Use only original spare parts for all service and maintenance. The service and maintenance described 

in this manual should be performed by trained specialists only and not by the user. This service and maintenance 

manual  refers  to  the  spare  parts  catalog  and  Instructions  for  Use.  For  this  reason,  it  is  important  to  use  these 

documents together.

Liquid thread lock ‘medium strength’

Summary of Contents for z50

Page 1: ...z50 Service Instructions ...

Page 2: ......

Page 3: ...5 4 Required Tools 5 5 Adjusting and Replacing 6 5 1 Control Unit 6 5 2 Battery Packs Fuse 8 5 3 Motors 13 5 4 z50 Wheels 15 5 5 Anti tippers 17 5 6 Options 17 5 7 Frame Adapter Plates 18 5 8 Assembly of the z50 to Manual Wheelchairs 18 6 Maintenance Plan 19 ...

Page 4: ... 1 General View Desk side panel Control unit Battery pack Footrest Release lever z50 wheel with hub motor Swinging anti tipper ...

Page 5: ... When mounting the z50 wheel or manual wheelchair wheel make sure before driving that the locking mechanism has engaged see sections Assembly of the z50 Wheel and Assembly of the Manual Wheelchair Wheel in the Instructions for Use Attention After cleaning the z50 power add on drive check its operating performance Attention Driving over a longer period of time with only 2 LEDs of the battery indica...

Page 6: ...ownload the document from our homepage under www ottobock de or www ottobock com Note Clean or disinfect the product before starting inspection See the Instructions for Use for care instructions or specific product inspection information Note Many of the screw fastenings use thread lock or nylock nuts If you have to undo such screw fastenings replace the nut or screw with a new thread lock and or ...

Page 7: ...s important It increases safety and prolongs the service life of the product All rehab products should be inspected and serviced once a year If the product is used frequently or if it is used by growing children or patients with changing clinical conditions we recommend readjusting and servicing the product every 6 months Use only original spare parts for all service and maintenance The service an...

Page 8: ...r add on drive The control panel is attached to the plug on holder with two screws Therefore the control panel is disconnectable and can be easily mounted and removed Note For adaption of the z50 power add on drive the desk side panel is always recommended Control panel holder Standard control panel holder The two control panel holders are attached in the same way to the side panel of the manual w...

Page 9: ...he crossbrace Screw the metal sheet for central plug attachment onto these clips For this purpose you require the Allen wrench size 3 Make sure when laying the cables leading to the central plug that the cables are not clamped while folding the wheelchair Always secure cables to braces with cable ties at random intervals Central Plug ...

Page 10: ...the ambient temperature the age of the batteries and the time and extent of driving the way you charge the batteries has considerable effects on the capacity and thus on the distance range Driving over a longer period of time with only the red LEDs of the battery indicator lit will result in battery discharge and thus battery damage In addition there is the risk that the z50 may stop due to zero b...

Page 11: ...l panel The charging procedure is indicated by charging indicator 1 A battery capacity of 80 is reached when charging indicator 1 goes out and charging indicator 2 is lit When both charging indicators 1 and 2 are lit the battery is completely charged ON lamp Charging indicator 1 Charging indicator 2 Error indicator lamp Explanation On Off Off Off Mains supply connected charging plug not connected ...

Page 12: ...et Error 7 Battery fault Solution Battery replacement recommended The battery charger features a programmed recharging phase Once a discharged battery is completely charged the battery charger can remain connected with no risk of damaging the battery Before the z50 can be used the wheelchair control must be switched off and on Danger Explosive gases can develop while batteries are charging For thi...

Page 13: ...provided with altogether eleven hook and loop flaps allowing the bag position to be set individually Four flaps are located on each the left and right side of the bag and are hung on the upper and lower frame tubes The three last flaps are located on the rear side of the bag and are hung on the crossbrace tubes thus increasing the stability of the bag First attach the adhesive strips with hook sur...

Page 14: ...ed inside the battery pack To remove the battery first open the wide hook and loop flap The battery case can be tilted to the front and removed Make sure that the battery cable is disconnected Replacing installing the fuse ...

Page 15: ...n the right and left motor must be in the front end position This is indicated with the symbol of a wheelchair without attendant By pulling the brake lever upwards the brake will be released The wheelchair is switched to the push mode This is indicated with the symbol of a wheelchair with attendant Drive mode Fahrbetrieb Push mode ...

Page 16: ...per raised tab and then press it on the other metal raised tabs one after another Motor lever plastic grip The plastic grips of the brake release mechanism can be removed for a necessary replacement by pulling them off If necessary here too you can use a flathead screwdriver Gently lever the plastic from below and simultaneously pull the plastic grip on the top ...

Page 17: ...in the order form However the z50 wheel position can be changed later using the four position holes which are provided in the wheel attachment plate For data about the individual setting positions and wheelchair models please see the Technical Data section To change the position loosen the nut on the threaded bushing You require two 24 mm open end wrenches Insert the threaded bushing into the new ...

Page 18: ... to the active or passive position please refer the Technical Data section To retrofit the wheelchair loosen the four screws which are used for adapter plate attachment to the frame and mount them to the other side of the frame in the new position In case of the passive position the adapter plate is attached to the frame with only three screws Active position Passive position ...

Page 19: ... or retrofit the standard anti tipper please refer to the service instructions manual of the manual wheelchair To mount the swinging anti tipper first screw the retainer to the adapter plate The anti tipper can then be mounted to the retainer 5 6 Options Joystick accessories Remove the joystick cap and plug in the chosen joystick accessory Afterwards secure it by tightening the Allen head screw Re...

Page 20: ...me with four screws You require the Allen wrench size 4 to loosen and tighten these screws 5 8 Assembly of the z50 to Manual Wheelchairs The individual working steps for the assembly of the z50 to manual wheelchairs are shown on the CD z50 art no 646DV12 More Power for Everyday Life Steel bolt Clamp ...

Page 21: ... parts listed here for correct function adjustment damages or deformations and whether the screw connections are tightened OK Damages Replacement 1 Control panel Control panel holder Central plug 2 Battery pack Battery bag Cables 3 Motors Adapter plate Lock 4 Tires Spokes Push rings 5 Anti tippers 6 Options Notes Maintenance performed by Place date Signature 6 Maintenance Plan ...

Page 22: ...5527 848 1304 1562 1590 1594 3663 Fax 49 5527 848 1676 e mail reha ottobock de Internet http www ottobock com Versandanschrift für Rücksendungen Address for Returns Otto Bock HealthCare GmbH Lindenstraße 13 D 07426 Königsee Otto Bock HealthCare GmbH has been certified by the German Society for the Certification of Quality Assurance Systems DQS in accordance with DIN EN ISO 9001 standard reg no 779...

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