Otto Bock 490E75 Series Service Manual
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Otto Bock 490E75 Series Service Manual

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Summary of Contents for Otto Bock 490E75 Series

  • Page 1 490E75=0_C Service manual...

  • Page 2: Table Of Contents

    Table of contents Table of contents Introduction ..............................6 Foreword ............................6 Support ............................6 Product overview ..........................7 1.3.1 Rear-wheel drive RWD/front-wheel drive FWD ..................7 1.3.2 Mid-wheel drive MWD ........................8 Safety instructions ............................8 Explanation of warning symbols ......................8 General safety instructions ........................
  • Page 3 Table of contents Drive unit ............................45 4.9.1 Replacing the drive wheels ........................ 45 4.9.2 Replacement tasks on the drive unit (rear-wheel drive RWD/front-wheel drive FWD) ......... 45 4.9.3 Replacement tasks on the drive unit (mid-wheel drive MWD) ..............51 4.10 Caster wheels ..........................
  • Page 4 Table of contents 4.15.5 Replacing the armrest........................109 4.15.6 Replacing the clothing protector .......................109 4.16 Legrests ............................110 4.16.1 Replacing the legrest holder ......................110 4.16.2 Replacing a central leg support ......................111 4.17 Lighting ............................113 4.17.1 Replacing the lighting ........................113 4.17.2 Replacing the fuse for the lighting .....................114 4.18 Safety accessories ..........................115 4.18.1...
  • Page 5 Table of contents 7.4.1 General parameters ........................148 7.4.2 Speed parameters ..........................149 7.4.3 Joystick parameters .........................151 7.4.4 Profile-specific control parameters ....................153 7.4.5 Latched drive parameters .........................154 7.4.6 Seat parameters ..........................155 Technical data .............................. 155 Appendixes ..............................155 Approved seat brackets ........................155 Torque values of the screw connections .....................156 Battery circuit diagram ........................156 Control system architecture ......................157...

  • Page 6: Introduction

    Introduction Introduction Foreword • Regular maintenance is important – it improves safety and increases the lifespan of the product. • All Mobility products should be inspected and serviced once a year. • However, we recommend inspecting, readjusting, and if necessary servicing the product every 6 months if the product is used frequently, by growing children or by users with changing clinical conditions.

  • Page 7: Product Overview

    Introduction Product overview 1.3.1 Rear-wheel drive RWD/front-wheel drive FWD Fig. 1 shows a power wheelchair with rear-wheel drive. On a power wheelchair with front-wheel drive, the mobility base is rotated accordingly by 180°. 1 Back padding 11 Mobility base (drive unit bracket) 2 Back 12 Caster wheel 3 Seat module...

  • Page 8: Mid-Wheel Drive Mwd

    Safety instructions 1.3.2 Mid-wheel drive MWD 1 Back support pad 10 Drive motor with brake release 2 Back support 11 Caster wheel swing arm 3 Seat frame 12 Suspension for caster wheel swing arm 4 Rear lighting 13 Front lighting 5 Drive wheel splash guard 14 Leg support 6 Stabilising wheel swing arm...

  • Page 9: General Safety Instructions

    Safety instructions General safety instructions WARNING Risk of suffocation Packaging materials must be kept out of reach of children. WARNING Use of the wheelchair during service work Severe injuries if the wheelchair tips over due to loosened components No person is permitted to be in or on the wheelchair during any service work. Support the product so it cannot tip over during all service work.

  • Page 10: Safety Instructions For Service And Maintenance Tasks

    Safety instructions Safety instructions for service and maintenance tasks WARNING Exposed pinch points Pinching, crushing of limbs (e.g. fingers) due to lack of caution in danger areas While adjusting power seat functions, note that inherent pinch and shear points are located between the seat frame and the power wheelchair frame.
  • Page 11 Safety instructions CAUTION Unsecured screw connections Pinching, crushing, tipping over, falling of user due to assembly errors After all adjusting/readjusting work, retighten the mounting screws/nuts firmly. Observe any torque settings which may be specified. Any time you loosen a screw connection with thread lock, replace it with a new screw connection with thread lock or secure the old screw connection with medium strength thread locker (e.g.

  • Page 12: Transport And Storage

    Transport and storage Transport and storage Transport NOTICE Improper transport Damage to the product due to collision and falling down Only use hoisting devices that have a sufficient capacity and the designated carry handles for transport. The power wheelchair must be secured in accordance with the regulations for the transport device. During transport on lifting platforms or in lifts, the wheelchair control unit must be switched off.

  • Page 13: Service Work

    Service work Service work General information INFORMATION Read the service manual before starting work. Familiarise yourself with the functions of the product prior to inspec- tion and use. To do so, you can request this service manual and other documentation from the manufacturer (see the overview of national Ottobock branches on the inside of the back cover).

  • Page 14: Basic Work

    Service work • Liquid thread lock, "medium" and "strong" • Side-cutting pliers • Drill; twist drill Ø 5.2 mm Basic work 4.5.1 Jacking up the wheelchair CAUTION Improper lifting Crushing, pinching, blows due to failure to observe safety instructions The wheelchair is heavy. Ensure ergonomically correct lifting. Use sufficiently large hoisting devices or perform this work with a helper.

  • Page 15: Operating The Seat Height And Seat Tilt

    Service work 4.5.2 Operating the seat height and seat tilt All instructions for power operation of the seat height (optional) and seat tilt (optional) are included in the instructions for use (user). INFORMATION If there is a defect in the seat height adjustment actuator, the seat height cannot be power operated. In this case, please observe the following instructions: If the seat is fixed in an upper position: Actively secure the seat and the wheelchair against falling and tipping during all work.

  • Page 16: Folding The Seat Up/Down

    Service work 4.5.4 Folding the seat up/down WARNING Exposed pinch points when seat is folded up Pinching, crushing of limbs (e.g. fingers), tipping over due to lack of caution when folding the seat up and down To safely fold the seat up or down, grasp the seat by the seat frame, by the backrest or by the legrest adapter. Never use the legrests themselves to fold the seat up or down as these do not provide a firm handhold.

  • Page 17: Trim Components On The Mobility Base

    Service work Trim components on the mobility base 4.6.1 Removing/installing the battery cover Prerequisites: Optional: Move the seat to the lowest seat height (see Page 15). Switch off the control unit and deactivate the main fuse (see Page 15). If necessary: Remove the legrests. Removing the battery cover 1) Fold up the seat (see Page 16).

  • Page 18: Replacing The Front Cover

    Service work 4.6.2 Replacing the front cover Prerequisites: Optional: Move the seat to the lowest seat height (see Page 15). Switch off the control unit and deactivate the main fuse (see Page 15). If necessary: Remove the legrests. Tools: Allen wrench size 3 Removing the front cover with external power supply receptacles 1) Fold up the seat (see Page 16).

  • Page 19: Replacing The Rear Cover

    Service work 4.6.3 Replacing the rear cover Prerequisites: Optional: Move the seat to the lowest seat height (see Page 15). Switch off the control unit and deactivate the main fuse (see Page 15). If necessary: Remove the legrests. Tools: Allen wrench size 3 Removing the rear cover 1) Fold up the seat (see Page 16).

  • Page 20: Batteries And Power Supply

    Service work Batteries and power supply CAUTION Short circuit Burns, injuries; damage to electrical/electronic components due to improper battery handling Deactivate the main fuse before performing any work on the battery. Only use insulated tools to perform maintenance work on the batteries. Never connect the two poles of a battery with metal conductors or tools.

  • Page 21: Replacing The Batteries

    Service work 4.7.2 Replacing the batteries WARNING Accumulation of explosive gases in the battery compartment due to use of incorrect batteries Severe injuries due to explosion in battery compartment Use only AGM or gel batteries which have been approved for this product by the manufacturer. Please contact Ottobock regarding the purchase of replacement batteries.

  • Page 22: Charging The Batteries

    Service work 4.7.3 Charging the batteries All instructions for charging the battery are included in the instructions for use (user). 4.7.4 Replacing the external charging receptacle Prerequisites: Optional: Move the seat to the lowest seat height (see Page 15). Switch off the control unit and deactivate the main fuse (see Page 15). Tools: Allen wrench size 3, 5;...

  • Page 23: Replacing The External Power Supply Receptacles

    Service work 4.7.5 Replacing the external power supply receptacles The external power supply receptacles are permanently integrated into the front cover and are replaced together with the front cover panel (see Page 18). 4.7.6 Replacing the fuse for lighting and external power supply Prerequisites: Optional: Move the seat to the lowest seat height (see Page 15).

  • Page 24: Control Unit

    Service work Control unit 4.8.1 Replacing the controller INFORMATION Depending on the installed control unit and configuration, additional control modules work closely with the cont- roller. When replacing the controller, also check the connected control modules and replace them if needed (see Page 30).

  • Page 25: Replacing The Seat Module With Cover (Standard Seat)

    Service work 4.8.2 Replacing the seat module with cover (standard seat) Prerequisites: Switch off the control unit and deactivate the main fuse (see Page 15). Tools: Allen wrench size 3, 4 Removing the seat module with module carrier (standard seat) 1) Carefully swing the seat module with module carrier on the back tube to the side (see Fig.
  • Page 26 Service work Installing the seat module with module carrier (VAS seat) 1) If necessary: Mount the seat module on the module carrier. To do so, insert the 4 screws between the module 1 Nm (see Fig. 31, item 1). 2) Place the seat module with module carrier onto the upper connecting tube of the back. 10 Nm (see Fig.

  • Page 27: Replacing The Tilt Sensor

    Service work 4.8.4 Replacing the tilt sensor Prerequisites: Switch off the control device and deactivate the main fuse (see Page 15). Tools: Allen wrench size 5; torque wrench with Allen insert size 5 Removing the inclination sensor 1) INFORMATION: Note the installed position of the cable connections being loosened. Follow the inclination sensor cable and disconnect it at the appropriate place (see Fig.
  • Page 28 Service work Prerequisites: Switch off the control device and deactivate the main fuse (see Page 15). If necessary: Remove the seat cushion. Tools: Allen wrench size 3, open-end wrench size 8, drill, twist drill Ø 5.2 mm Removing the single memory function for back support angle adjustment 1) Remove the seat module cover (see Page 25 ff.).
  • Page 29 Service work 3) Insert the 2 tilt module screws with nuts and hand-tighten them (see Fig. 35, item 2). 4) Connect the tilt module to the bus system (see Fig. 35, item 1). 5) Connect the distributor relay to the seat tilt actuator and the seat module (see Fig. 34, item 1; see Fig. 36). Page 6) Attach the seat module cover (see Page 25 f.).
  • Page 30 Service work Connection schematics The following actuator connection schematics apply for the various configurations: Configuration Channel 1 Channel 2 Channel 3 Channel 4 Channel 5 Channel 6 Distributor relay Back support Seat tilt Distributor Seat height Leg sup- Leg sup- Distributor Back support angle adjust-...

  • Page 31: Replacing Additional Control Modules

    Service work 4.8.6 Replacing additional control modules Prerequisites: Optional: Move the seat to the lowest seat height (see Page 15). Switch off the control unit and deactivate the main fuse (see Page 15). If necessary: Remove the legrests. Tools: Allen wrench size 3 Overview of additional control modules The following control modules may be connected to the controller depending on the installed control unit and con- figuration:...

  • Page 32: Replacing The Ten° Control Panel

    Service work 4.8.7 Replacing the TEN° control panel INFORMATION Recalibrate the joystick after replacing a module (see Page 33). Otherwise the directional stability of the wheelchair may be affected, or it may not be possible to reach the maximum speed. Prerequisites: Switch off the control unit and deactivate the main fuse (see Page 15).
  • Page 33 Service work Removing the joystick module and LCD module 1) Remove the control panel and take out the retaining plate (see Page 32). 2) Loosen and remove the 2 screws between the housing and joystick module (see Fig. 45, item 1). 3) Pull the joystick module upward out of the housing (see Fig.

  • Page 34: Replacing The Vr2 Control Panel

    Service work 4.8.8 Replacing the VR2 control panel Prerequisites: Switch off the control unit and deactivate the main fuse (see Page 15). Tools: Allen wrench size 3 Removing the VR2 control panel 1) Disconnect the cable of the control panel from the cable extension (see Fig. 46, item 1). 2) Loosen and remove the screws between the control panel rail and control panel (see Fig.

  • Page 35: Replacing The Attendant Control

    Service work 4.8.9 Replacing the attendant control Prerequisites: Switch off the control unit and deactivate the main fuse (see Page 15). Remove the back padding. Tools: Allen wrench size 5 Removing the attendant control 1) INFORMATION: Note the installed position of the cable connections being loosened. Follow the attendant control cable and disconnect it at the appropriate place (see Fig.

  • Page 36: Replacing The Push-Button Module

    Service work Removing the swivel mechanism and charging receptacle 1) Remove the control panel of the centre tray control (see Page 35). 2) Loosen and remove the 2 charging receptacle screws (see Fig. 51, item 1). 3) Loosen and remove the 4 screws of the swivel mechanism (see Fig. 52, item 1). 4) Remove the swivel mechanism and charging receptacle (see Fig.
  • Page 37 Service work 8) Loosen and remove the setscrew with square nut under the arm support and remove the holder from the arm support (see Fig. 59, item 1). 9) Attach the rear cover (see Page 19). Installing the push-button module 1) If necessary: Seal the holder with a ribbed plug (see Fig.
  • Page 38 Service work 38 | Ottobock 490E75=0_C...

  • Page 39: Replacing The Display And Connection Module

    Service work Additional installation versions • The push-button module can be attached to a tray (see Fig. 64). To do so, drill corresponding holes in the tray and screw the holder to the tray. • The push-button module can be used in combination with a display module. To do so, attach the push-button module to the LCD holder using a mirror support (see Fig.
  • Page 40 Service work back support. In this case, attach the connection module to the existing module carrier and continue 10 Nm (see Fig. 72, item 2). item 1). 7) Insert the two screws and nuts between the retaining plate and module carrier, and tighten them slightly (see Fig.
  • Page 41 Service work 490E75=0_C Ottobock | 41...

  • Page 42: Replacing The Mo-Vis Joystick Control On The Tray

    Service work 4.8.13 Replacing the mo-Vis joystick control on the tray Prerequisites: Switch off the control device and deactivate the main fuse (see Page 15). Tools: Allen wrench size 4, 5 Removing the mo-Vis joystick control on the tray 1) INFORMATION: Note the installed position of the cables and cable attachments. Disconnect the cable of the mo-Vis controller from the cable extension (see Fig.

  • Page 43: Replacing The Mo-Vis Joystick Control On The Arm Support

    Service work INFORMATION: On-board programming is not activated on delivery of the control device. In this case, first carry out PC programming, back up the parameters and activate on-board programming when needed. 5) Follow the instructions on the display module. from the control device manufacturer.
  • Page 44 Service work Recalibrating the joystick INFORMATION The described calibration applies for a mo-Vis joystick control connected to a separate display and connection module. The calibration is started with the help of the display module. If the mo-Vis joystick control is connected directly to the bus system, contact the manufacturer for additional infor- mation regarding the calibration.

  • Page 45: Drive Unit

    Service work Drive unit 4.9.1 Replacing the drive wheels INFORMATION When replacing the wheels, check the tyres on both sides for even and sufficient tread. Replace the tyres if ne- cessary. Prerequisites: Optional: Move the seat to the lowest seat height (see Page 15). Switch off the control unit and deactivate the main fuse (see Page 15).
  • Page 46 Service work Installing the drive wheel splash guard 1) Optional: Attach the control panel for the caster wheel swivel lock to the splash guard (see Fig. 83, item 3; see Page 61). 2) Place the drive wheel splash guard on the drive wheel swing arm (see Fig. 83, item 2). 25 Nm (see Fig.
  • Page 47 Service work INFORMATION: A grounding cable with grounding washer is also mounted on one of the two drive 3) Carefully guide the drive wheel swing arm upwards. 25 Nm (see Fig. 84/85, item 1). 5) Attach the drive wheel (see Page 45). 6) Adjust the drive wheel suspension equally on both sides (see Page 72).
  • Page 48 Service work Installing the drive motor 1) Insert the drive motor and position the motor cable according to the original installed position. To do so, reattach the loosened cable attachments (see Fig. 88). 25 Nm (see Fig. 89, item 1). 3) Insert the 2 upper screws between the drive motor and drive wheel swing arm with 1 washer (optional) each and 25 Nm (see Fig.
  • Page 49 Service work 6) INFORMATION: Note the installed position of the spacer washer on the axle. The installed position of Page Pull the drive wheel swing arm (see Fig. 90, item 2) with spacer washer down and off the axle. Installing the drive wheel swing arm 1) Slide the drive wheel swing arm (see Fig.
  • Page 50 Service work 4.9.2.6 Replacing the anti-tipper wheel Prerequisites: Optional: Move the seat to the lowest seat height (see Page 15). Switch off the control unit and deactivate the main fuse (see Page 15). If necessary: Remove the legrests. Tools: Allen wrench size 5; torque wrench with Allen insert size 5; open-ended or ring wrench size 13 Removing the anti-tipper wheel 1) Loosen and remove the screw and nut on the anti-tipper wheel (see Fig.

  • Page 51: Replacement Tasks On The Drive Unit (Mid-Wheel Drive Mwd)

    Service work Installing the anti-tipper 1) Insert the anti-tipper on the inside of the drive wheel swing arm. 3) Install the drive wheel suspension between the drive wheel swing arm and drive unit bracket (see Page 46). INFORMATION: The anti-tipper is spring loaded on a wheelchair with front-wheel drive. In this case, 4) Attach the drive wheel (see Page 45).
  • Page 52 Service work 4.9.3.2 Replacing the drive wheel suspension system NOTICE Incorrect dimensioning of the suspensions Damage to the suspensions and the product Only replace the suspensions with approved suspensions of the same type (see Page 72). INFORMATION The drive wheel swing arm is connected to the caster wheel swing arm suspension. To replace this suspension, observe the instructions on Page 67.
  • Page 53 Service work 4.9.3.3 Replacing the drive wheel swing arms and drive motors INFORMATION Always replace drive motors in pairs. INFORMATION If you change the type of drive motors, check the installed position of the spacers on the drive wheel swing arm and suspension and replace if necessary (see Page 56).
  • Page 54 Service work 9) Loosen and remove the 2 screws with 1 washer each next to the drive wheel swing arm axle (see Fig. 106, item 2). 10) Carefully remove the plate from the Torsion Drive system (see Fig. 107, item 1). 11) Reinstall the 2 screws with 1 washer each (see Fig.
  • Page 55 Service work 490E75=0_C Ottobock | 55...
  • Page 56 Service work 4.9.3.4 Installed position of the spacers on the drive Drive motor type Spacer washer for drive wheel sus- Spring connection for drive wheel pension system (replacement see swing arm (replacement see Page 52) Page 53) Spacer washer for drive wheel swing arm (replacement see Page 53) 493T75=PK217/218 On the outside of the suspension...

  • Page 57: Caster Wheels

    Service work 4.10 Caster wheels 4.10.1 Replacing the cover cap set The cover cap set on both caster wheels consists of 3 cover caps each (see Fig. 117). Tools: Small slotted screwdriver Removing the cover caps 1) Carefully guide the slotted screwdriver under the edge of the cover cap (see Fig. 118). 2) Use a slight levering motion to carefully pry out and remove the cover cap.

  • Page 58: Replacing The Caster Wheel Splash Guard

    Service work 4.10.3 Replacing the caster wheel splash guard Prerequisites: Optional: Move the seat to the lowest seat height (see Page 15). Switch off the control unit and deactivate the main fuse (see Page 15). If necessary: Remove the legrests. Jack up the wheelchair (see Page 14).

  • Page 59: Replacing The Caster Fork

    Service work 4.10.4 Replacing the caster fork Prerequisites: Optional: Move the seat to the lowest seat height (see Page 15). Switch off the control unit and deactivate the main fuse (see Page 15). If necessary: Remove the legrests. Jack up the wheelchair (see Page 14). Tools: Small and medium slotted screwdriver;...

  • Page 60: Replacing The Caster Wheel Bearing Set

    Service work 4.10.5 Replacing the caster wheel bearing set Prerequisites: Optional: Move the seat to the lowest seat height (see Page 15). Switch off the control unit and deactivate the main fuse (see Page 15). If necessary: Remove the legrests. Jack up the wheelchair (see Page 14).

  • Page 61: Replacement Tasks On The Caster Wheel Swing Arm (Rear-Wheel Drive Rwd/Front-Wheel Drive Fwd)

    Service work 4.10.6 Replacement tasks on the caster wheel swing arm (rear-wheel drive RWD/front-wheel drive FWD) 4.10.6.1 Replacing the caster wheel swivel lock INFORMATION The track stabiliser and caster wheel swivel lock use some of the same screw connections. Properly reattach the shared screw connections immediately after completing any necessary replacement.
  • Page 62 Service work 4.10.6.2 Replacing the track stabiliser INFORMATION The track stabiliser and caster wheel swivel lock use some of the same screw connections. Properly reattach the shared screw connections immediately after completing any necessary replacement. Always observe the informa- tion in both sections when replacing components. Prerequisites: Optional: Move the seat to the lowest seat height (see Page 15).
  • Page 63 Service work Installing the track stabiliser (see Fig. 131, item 1). INFORMATION: If a caster wheel swivel lock is installed, the washers are omitted and are replaced by 2) Carefully insert the track stabiliser with its clamps and springs into the caster wheel swing arm. INFORMATION: In doing so, tension the springs by positioning the ends of the springs around the sli- item 1).
  • Page 64 Service work Installing the suspension for the caster wheel swing arm 1) Position the suspension with 2 washers according to the original installed position on the caster wheel swing arm. 25 Nm (see Fig. 133, item 2). 3) Insert the spacer sleeve into the drive unit bracket (see Fig. 133, item 1) and swivel the caster wheel swing arm upwards until the bearing eye of the suspension comes to rest against the spacer sleeve.
  • Page 65 Service work 4.10.6.4 Replacing the rigid elements of the caster wheel swing arm Prerequisites: Optional: Move the seat to the lowest seat height (see Page 15). Switch off the control unit and deactivate the main fuse (see Page 15). If necessary: Remove the legrests. Jack up the wheelchair (see Page 14).
  • Page 66 Service work 4.10.6.5 Replacing the caster wheel swing arm Prerequisites: Optional: Move the seat to the lowest seat height (see Page 15). Switch off the control unit and deactivate the main fuse (see Page 15). If necessary: Remove the legrests. Jack up the wheelchair so there is a clearance of at least 10 cm under the wheels (see Page 14).

  • Page 67: Replacement Tasks On The Caster Wheel / Stabilising Wheel Swing Arm (Mid-Wheel Drive Mwd)

    Service work 4.10.7 Replacement tasks on the caster wheel / stabilising wheel swing arm (mid-wheel drive MWD) 4.10.7.1 Replacing the suspension for the caster wheel swing arm NOTICE Incorrect dimensioning of the suspensions Damage to the suspensions and the product Only replace the suspensions with approved suspensions of the same type (see Page 72).
  • Page 68 Service work 4.10.7.2 Replacing the stabilising wheel swing arm suspension NOTICE Incorrect dimensioning of the suspensions Damage to the suspensions and the product Only replace the suspensions with approved suspensions of the same type (see Page 72). Prerequisites: Optional: Move the seat to the lowest seat height (see <<<Page 15). Switch off the control device and deactivate the main fuse (see Page 15).
  • Page 69 Service work 4.10.7.3 Replacing the caster wheel swing arm Prerequisites: Optional: Move the seat to the lowest seat height (see Page 15). Switch off the control device and deactivate the main fuse (see Page 15). If necessary: remove the leg supports. Jack up the wheelchair (see Page 14).
  • Page 70 Service work 4.10.7.4 Replacing the stabilising wheel swing arm Prerequisites: Optional: Move the seat to the lowest seat height (see Page 15). Switch off the control device and deactivate the main fuse (see Page 15). If necessary: remove the leg supports. Jack up the wheelchair (see Page 14).

  • Page 71: Changing Tyres

    Service work 4.11 Changing tyres CAUTION Improper tyre replacement Injuries to the user due to incorrect installation, product damage No person is permitted to sit in the wheelchair during tyre replacement. Before removing a wheel, support the product so it cannot tip over. Always replace the tyres in pairs.

  • Page 72: Selecting And Adjusting The Suspensions

    Service work 4.12 Selecting and adjusting the suspensions CAUTION Incorrect settings or dimensioning of the suspensions Injuries to the user due to changed driving characteristics and insufficient tipping resistance Check whether the selected suspension types are permissible for the new configuration. Replace the suspen- sions if necessary.

  • Page 73: Adjusting The Suspensions

    Service work 4.12.2 Adjusting the suspensions INFORMATION For fine-tuning according to the overall weight of the wheelchair, the spring tension can be increased or decreased slightly. Always adjust the left and right suspension equally and in pairs. INFORMATION The suspensions have to be removed in order to adjust them. For replacing the suspension on a front or rear-wheel drive (FWD/RWD), see Page 46/Page 63.

  • Page 74: Seat

    Service work 4.13 Seat 4.13.1 Replacing the seat plate (standard seat) Prerequisites: Switch off the control unit and deactivate the main fuse (see Page 15). Remove the seat cushion and back padding. Removing the seat plate (standard seat) 1) Pull the back edge of the seat plate upwards (see Fig. 151). 2) Unhook the seat plate from the front edge and remove it (see Fig.

  • Page 75: Adjusting The Seat Width (Vas Seat)

    Service work 4.13.3 Adjusting the seat width (VAS seat) Prerequisites: Switch off the control unit and deactivate the main fuse (see Page 15). Remove the seat cushion and back padding. Tools: Allen wrench size 3, 6; open-ended or ring wrench size 13; torque wrench with Allen insert size 3, 6 1) Loosen the back upholstery (see Page 99).

  • Page 76: Setting The Pre-Tilt / Replacing The Seat Height Adapter

    Service work 4.13.4 Setting the pre-tilt / replacing the seat height adapter Prerequisites: Optional: Move the seat to the lowest seat height (see Page 15). Switch off the control unit and deactivate the main fuse (see Page 15). If necessary: Remove the legrests. Tools: Allen wrench size 5, 6;...
  • Page 77 Service work Replacing the rear seat height adapter CAUTION Improper lifting Crushing, pinching, blows due to failure to observe safety instructions, product damage The seat of the power wheelchair is very heavy. Ensure ergonomically correct lifting. Use sufficiently large hoi- sting devices and perform this work with a helper.

  • Page 78: Adjusting The Centre Of Gravity (Standard Seat With Module For Combination Of Seat Height Adjustment And Seat Tilt)

    Service work Permissible combinations of front and rear seat height adapter positions Marking front A rear 0° 3° 6° 9° -3° 0° 3° 6° 9° -3° 0° 3° 6° 9° -3° 0° 3° 6° 9° -3° 0° 3° 6° 9° -3°...

  • Page 79: Adjusting The Centre Of Gravity (Standard Seat Without Module For Combination Of Seat Height Adjustment And Seat Tilt)

    Service work Dependencies The seat‘s centre of gravity can be adjusted by sliding the seat frame and combination seat height and seat tilt adjust- ment module relative to the mobility base. Among other things, the permissible centre of gravity depends on: •...
  • Page 80 Service work CAUTION Failure to observe installation instructions Pinching, crushing due to falling parts The seat and its individual parts have a substantial weight. Secure the parts against falling before loosening them. Prerequisites: Switch off the control device and deactivate the main fuse (see Page 15). If necessary: remove the leg supports.

  • Page 81: Adjusting The Centre Of Gravity (Vas Seat With Module For Combination Of Seat Height Adjustment And Seat Tilt)

    Service work 4.13.7 Adjusting the centre of gravity (VAS seat with module for combination of seat height adjust- ment and seat tilt) WARNING Shifting the centre of gravity Severe injuries due to the power wheelchair tipping over and falling Only choose positions that are permissible for the new configuration. Contact Ottobock Customer Service for more information.

  • Page 82: Adjusting The Centre Of Gravity (Vas Seat Without Module For Combination Of Seat Height Adjustment And Seat Tilt)

    Service work 4.13.8 Adjusting the centre of gravity (VAS seat without module for combination of seat height ad- justment and seat tilt) WARNING Shifting the centre of gravity Severe injuries due to the power wheelchair tipping over and falling Only choose positions that are permissible for the new configuration. Contact Ottobock Customer Service for more information.

  • Page 83: Replacing The Seat Frame With Seat Brackets (Standard Seat)

    Service work Replacing the seat frame with seat brackets (standard seat) 4.13.9 Prerequisites: Switch off the control unit and deactivate the main fuse (see Page 15). Remove the legrests. Remove the seat cushion and back padding. Tools: Allen wrench size 5; open-ended or ring wrench size 13; torque wrench with Allen insert size 5 Removing the seat frame and seat brackets (standard seat) 1) Remove the legrest holder (see Page 110).

  • Page 84: Replacing The Seat Frame (Vas Seat)

    Service work 4.13.10 Replacing the seat frame (VAS seat) Prerequisites: Switch off the control unit and deactivate the main fuse (see Page 15). Remove the legrests. Remove the seat cushion and back padding. Tools: Allen wrench size 6; torque wrench with Allen insert size 6 Removing the seat frame (VAS seat) 1) Remove the legrest holder (see Page 110).

  • Page 85: 4.13.11 Replacing The Seat Height Adjustment Actuator

    Service work 4.13.11 Replacing the seat height adjustment actuator WARNING Shifted centre of gravity, increased risk of wheelchair tipping over when seat is raised Severe injuries due to pinching, crushing if the wheelchair tips over Activate (lock) the brakes on both drive motors before carrying out any work. Secure the seat and the wheelchair against tipping and falling during all work with the active support of a hel- per.
  • Page 86 Service work 11) Fold up the seat (see Page 16). them (see Fig. 180, item 1). 13) Fold down the seat (see Page 16). 86 | Ottobock 490E75=0_C...

  • Page 87: 4.13.12 Replacing And Adjusting The Seat Height Adjustment Sensor

    Service work 4.13.12 Replacing and adjusting the seat height adjustment sensor WARNING Shifted centre of gravity, unstable driving characteristics of the wheelchair Tipping over of the wheelchair, pinching, crushing, severe injuries of the user Adjust and verify the function of the seat height adjustment sensor after each replacement. Attach the seat height adjustment sensor according to the original installed position so that the driving speed is reduced when raising the seat, as it was on delivery.
  • Page 88 Service work Checking the seat height adjustment sensor INFORMATION With each of the tests, observe the seat height at which the driving speed starts to be reduced. The driving speed must be reduced by the sensor no later than at a seat height adjustment of max. 10 cm. If the driving speed is reduced too soon, too late or not at all during the tests, adjust the seat height adjustment sensor.

  • Page 89: 4.13.13 Replacing The Seat Tilt Actuator

    Service work 4.13.13 Replacing the seat tilt actuator Prerequisites: Activate (lock) the brakes on both drive motors. Optional: Move the seat to the highest seat height (see Page 15). If seat height adjustment is not installed, fold up the seat and secure it against falling down and tipping over with the active support of a helper (see Page 16) Move the seat tilt to the lower end position.

  • Page 90: Back

    Service work 4.14 Back NOTICE Incorrect cable routing Damage to cables due to pulling or pinching When positioning the cables make sure that they cannot be pinched. When performing any adjustment and installation work near installed cables, ensure that the cables are suf- ficiently long for all adjustment possibilities and cannot become pinched.

  • Page 91: Replacing The Cover For The Bearing Plates (Vas Seat)

    Service work 4.14.2 Replacing the cover for the bearing plates (VAS seat) Prerequisites: Switch off the control unit and deactivate the main fuse (see Page 15). Remove the seat cushion and back padding. Tools: Pin wrench or screwdriver with Torx Plus 20IP Removing the cover for the bearing plate (VAS seat) 1) Loosen and remove the 2 screws on the inside of the bearing plate (see Fig.

  • Page 92: Adjusting/Replacing The Back (Standard Seat)

    Service work 4.14.4 Adjusting/replacing the back (standard seat) INFORMATION Please note that adjusting the seat depth changes the centre of gravity. To ensure that the driving characteristics are maintained, the seat depth after delivery of the power wheelchair may only be adjusted by 20 mm respectively to the front or rear without additional conversion measures.

  • Page 93: Adjusting/Replacing The Back (Vas Seat)

    Service work 4.14.5 Adjusting/replacing the back (VAS seat) INFORMATION Please note that adjusting the seat depth changes the centre of gravity. To ensure that the driving characteristics are maintained, the seat depth after delivery of the power wheelchair may only be adjusted by 20 mm respectively to the front or rear without additional conversion measures.

  • Page 94: Removing/Installing The Power Back Angle Adjustment (Standard Seat)

    Service work 4.14.6 Removing/installing the power back angle adjustment (standard seat) INFORMATION Power back angle adjustment (standard seat) requires a special back frame and bearing plates, and is repla- ced together with these (see Page 92). The back angle adjustment actuator can be replaced separately (see Page 94).

  • Page 95: Removing/Installing The Manual Back Angle Adjustment (Standard Seat)

    Service work 4.14.8 Removing/installing the manual back angle adjustment (standard seat) INFORMATION The manual back angle adjustment (standard seat) is replaced together with the back frame and bearing shields (see Page 92). The release strap with locking bolts can be replaced separately. When changing the back angle adjustment type (mechanical or power back angle adjustment), additional adjust- ments such as additional control modules, new cabling or reprogramming the control unit may be required.

  • Page 96: Removing/Installing The Power Back Angle Adjustment (Vas Seat)

    Service work 4.14.9 Removing/installing the power back angle adjustment (VAS seat) INFORMATION The power back angle adjustment (VAS seat) requires a lower and a special upper connecting tube, and is repla- ced together with these. The back angle adjustment actuator can be replaced separately (see Page 97). When changing the back angle adjustment type (mechanical or power back angle adjustment), additional adjust- ments such as additional control modules, new cabling or reprogramming the control unit may be required.

  • Page 97: Replacing The Actuator For The Power Back Angle Adjustment (Vas Seat)

    Service work 4.14.10 Replacing the actuator for the power back angle adjustment (VAS seat) Prerequisites: Switch off the control unit and deactivate the main fuse (see Page 15). Tools: 2x Allen wrench size 4; torque wrench with Allen insert size 4 Removing the actuator for the power back angle adjustment (VAS seat) 1) INFORMATION: Note the installed position of the cable connections being loosened.

  • Page 98: Removing/Installing The Manual Back Angle Adjustment (Vas Seat)

    Service work 4.14.11 Removing/installing the manual back angle adjustment (VAS seat) INFORMATION The manual back angle adjustment (VAS seat) is replaced together with the upper connecting tube. The release strap with locking bolts can be replaced separately. When changing the back angle adjustment type (mechanical or power back angle adjustment), additional adjust- ments such as additional control modules, new cabling or reprogramming the control unit may be required.

  • Page 99: Replacing/Adjusting The Back Upholstery (Standard Seat)

    Service work 4.14.12 Replacing/adjusting the back upholstery (standard seat) Prerequisites: Switch off the control unit and deactivate the main fuse (see Page 15). Remove the seat cushion and back padding. Tools: Allen wrench size 4 1) Loosen and remove the 3 screws on the upper 3 hook and loop straps on both sides (see Fig. 207, item 1). 2) Open all the hook and loop straps on the back upholstery and replace if necessary (see Fig.
  • Page 100 Service work INFORMATION: The two ends of the back straps should not overlap. If necessary, shorten the back 100 | Ottobock 490E75=0_C...

  • Page 101: Side Panels

    Service work 4.15 Side panels 4.15.1 Replacing the side panel holder (standard seat) Prerequisites: Switch off the control unit and deactivate the main fuse (see Page 15). Remove the seat cushion. Tools: Allen wrench size 4; torque wrench with Allen insert size 4 Removing the side panel holder (standard seat) 1) Remove the seat plate (see Page 74).

  • Page 102: Replacing The Side Panel Holder (Vas Seat)

    Service work 4.15.2 Replacing the side panel holder (VAS seat) Prerequisites: Switch off the control unit and deactivate the main fuse (see Page 15). If necessary: Remove the seat cushion. Tools: Allen wrench size 5, 6; torque wrench with Allen insert size 5, 6 Removing the side panel holder (VAS seat) 1) Pull the side panel up and out of the side panel holder.

  • Page 103: Retrofitting/Replacing An Elevating Side Panel (Standard Seat)

    Service work 4.15.3 Retrofitting/replacing an elevating side panel (standard seat) NOTICE Improper assembly work Damage to product due to overloading Always insert a supporting profile into the back tube before mounting an elevating side panel. Without inserting a supporting profile, the load capacity of the standard seat is not sufficient. Always screw the axle (see Fig.
  • Page 104 Service work INFORMATION: The position of the adaption depends on the seat depth. Only set positions that are li- 25 Nm (see Fig. 219, item 1). them (see Fig. 219, item 2). INFORMATION: Depending on the size of the seat frame, insert additional spacer washers so that the INFORMATION: Additional accessory components, such as a lap belt, may be attached with these ginal installed position.
  • Page 105 Service work Permissible positions of the adaption INFORMATION The version of the frame tubes may differ depending on the configuration. Contact your national Ottobock team if you find an installed position or version that deviates from the following tables or illustrations. Seat Standard seat (small) Standard seat (large)
  • Page 106 Service work Required spacer washers INFORMATION Always use metal spacer washers if possible. The information in the table refers to the respective spacer washer thickness. If additional components are at- tached to the seat, additional or different mounting elements may be needed. Always choose the spacer washers so that no parts are canted or bent.

  • Page 107: Retrofitting/Replacing An Elevating Side Panel (Vas Seat)

    Service work 4.15.4 Retrofitting/replacing an elevating side panel (VAS seat) Prerequisites: Switch off the control device and deactivate the main fuse (see Page 15). Remove the seat cushion. Tools: Allen wrench size 5, 6; torque wrench with Allen insert size 5, 6 Removing the elevating side panel (VAS seat) 1) Loosen the thumb screw on the arm support holder (see Fig.
  • Page 108 Service work 108 | Ottobock 490E75=0_C...

  • Page 109: Replacing The Armrest

    Service work 4.15.5 Replacing the armrest Tools: Allen wrench size 3; torque wrench with Allen insert size 3 Removing the armrest 1) Optional: Remove the control panel with swivel arm (see Page 32). 2) Pull the side panel up and out of the side panel holder. To do so, loosen the thumb screw on the side panel holder (see Fig.

  • Page 110: Legrests

    Service work 4.16 Legrests 4.16.1 Replacing the legrest holder Prerequisites: Remove the legrests. Switch off the control unit and deactivate the main fuse (see Page 15). If necessary: Remove the seat cushion. Tools: Allen wrench size 5, 6; open-ended or ring wrench size 13; torque wrench with Allen insert size 5, 6 Removing the legrest holder 1) If necessary: Remove the seat plate (see Page 74 ff).

  • Page 111: Replacing A Central Leg Support

    Service work 4.16.2 Replacing a central leg support CAUTION Failure to observe installation instructions Pinching, crushing due to falling parts The central leg support and its individual parts have a substantial weight. Secure the parts against falling be- fore loosening them. Prerequisites: If necessary: Move the seat tilt into a raised position.
  • Page 112 Service work 112 | Ottobock 490E75=0_C...

  • Page 113: Lighting

    Service work 4.17 Lighting 4.17.1 Replacing the lighting Prerequisites: Optional: Move the seat to the lowest seat height (see Page 15). Switch off the control unit and deactivate the main fuse (see Page 15). Tools: Allen wrench size 3, 5 Removing the lighting 1) Fold up the seat (see Page 16).

  • Page 114: Replacing The Fuse For The Lighting

    Service work 4.17.2 Replacing the fuse for the lighting The fuse for the lighting without StVZO is also the fuse for the external power supply (optional). To replace the fuse, see Page 23. There is no replaceable fuse for the lighting according to StVZO. 114 | Ottobock 490E75=0_C...

  • Page 115: Safety Accessories

    Service work 4.18 Safety accessories 4.18.1 Replacing the curb climbing assist Prerequisites: Optional: Move the seat to the lowest seat height (see Page 15). Switch off the control unit and deactivate the main fuse (see Page 15). If necessary: Remove the legrests. Jack up the wheelchair (see Page 14).

  • Page 116: Replacing The Transport Brackets (Rear-Wheel Drive Rwd/Front-Wheel Drive Fwd)

    Service work 4.18.2 Replacing the transport brackets (rear-wheel drive RWD/front-wheel drive FWD) INFORMATION The transport brackets with eyebolts are located on the caster wheel side of the wheelchair. If a curb climbing assist is installed, the eyebolts are integrated into the curb climbing assist and are replaced together with it (see Page 115).

  • Page 117: Replacing The Transport Brackets (Mid-Wheel Drive Mwd)

    Service work 4.18.3 Replacing the transport brackets (mid-wheel drive MWD) INFORMATION The transport brackets with eyebolts are located on the rear of the wheelchair. The drive wheel swing arms do not have integrated eyebolts. Transport brackets are not appropriate for transport in vehicles for transporting persons with reduced mobility. Retrofit a separate transport kit if necessary (see Page 118 ff)..

  • Page 118: Installing The Vehicle Transportation Set (Transport Kit)

    Service work 4.18.4 Installing the vehicle transportation set (transport kit) INFORMATION The product must be equipped with the transport kit to use the product for transporting people with reduced mo- bility in motor vehicles. The transport eyelet version depends on the configuration of the mobility base (front-wheel drive FWD, mid-wheel drive MWD or rear-wheel drive RWD) and the seat (standard or VAS seat).
  • Page 119 Service work 4.18.4.2 Mounting the rear transport eyelets (transport set for rear-wheel drive RWD) INFORMATION Apply medium-strength thread locking compound to all screw connections of the rear transport eyelets. Prerequisites: Optional: Move the seat to the lowest seat height (see Page 15). Switch off the control device and deactivate the main fuse (see Page 15).
  • Page 120 Service work 4.18.4.3 Installing the front transport eyelets (transport kit for standard seat) Prerequisites: Switch off the control device and deactivate the main fuse (see Page 15). If necessary: Remove the leg supports. Tools: Allen wrenches, sizes 5, 6; open-ended or ring wrench, size 13; torque wrench with Allen inserts, sizes 5, 6 and socket size 13 Installing front transport eyelets 1) Optional: Loosen and remove the screw and nut between the leg support holder and seat frame (see Fig.
  • Page 121 Service work Installing the lower connecting tube for mechanical back support angle adjustment (VAS seat) 1) Remove the cover on both bearing plates (see Page 91). 2) Set the lower connecting tube onto the bearing plates (see Fig. 262, item 1). INFORMATION: If necessary, adapt the lower connecting tube to the frame width.

  • Page 122: Accessories

    Service work 4.19 Accessories 4.19.1 Replacing the lap belt (standard seat) CAUTION Improper adjustments Injuries, malpositions, illness of the user due to adjustment changes The belt system is an important part of an individual seating unit/seating solution. Do not modify the installation position and basic settings.

  • Page 123: Replacing The Lap Belt (Vas Seat)

    Service work 4.19.2 Replacing the lap belt (VAS seat) CAUTION Improper adjustments Injuries, malpositions, illness of the user due to adjustment changes The belt system is an important part of an individual seating unit/seating solution. Do not modify the installation position and basic settings.

  • Page 124: Installing And Adjusting The Tray

    Service work 4.20 Installing and adjusting the tray INFORMATION The following information also applies when adjusting the tray of the centre tray control. 4.20.1 Scope of delivery The product is delivered partly pre-assembled. The scope of delivery includes: • 2 holders (already mounted on the power wheel chair if ordered): –...
  • Page 125 Service work Mounting the supports 3) Provisionally set the depth of the tray top. Clamp the swivel mechanism into place. 4) Position the supports so they can be mounted at the front and with a safety distance on the outside. 5) Mount the supports on the tray.

  • Page 126: Adjusting The Depth

    Service work 4.20.3 Adjusting the depth INFORMATION Adjusting the tray to the user's body size should be performed in the presence of the user. Adjusting the tray 3) Seat the user in the seat. 4) Fold the tray down and lock it with the pin. 5) Adjust the depth.

  • Page 127: Troubleshooting

    Troubleshooting Troubleshooting NOTICE Damages due to unauthorised service Unsafe operation of the power wheelchair Troubleshooting may thus only be carried out by authorised specialist dealers possessing solid knowledge of electronic controllers from Ottobock. Ottobock assumes no liability for any damages originating from improper or poorly performed repairs. INFORMATION Experience has shown that electrical problems are frequently associated with errors and defects in the plug con- nectors and cabling.

  • Page 128: Error Messages/Error Codes (R-Net Control Unit)

    Troubleshooting LCD screen Error/warning Cause Possible measure Controller temperature Overheating due to excessive Cool down phase warning (red icon) load Motor temperature Overheating due to excessive Cool down phase warning (red icon) load 5.2.2 Error messages/error codes (R-Net control unit) To indicate the cause of warnings or errors that occur, error messages with error codes are output via the LCD screen of the TEN control panel or a connected handheld programming device.
  • Page 129 Troubleshooting Error message; Content Cause Possible measure Error code Short circuit in electri- e.g. defective plug connection, Check plug connections and L Ind Lamp cal circuit of left direc- cable break cable to direction indicator. Short; tion indicator Defective direction indicator Replace lighting.

  • Page 130: Display Of Errors/Faults (Vr2 Control Unit)

    Troubleshooting Error message; Content Cause Possible measure Error code External on/off switch e.g. defective cable connection Check cable connection and Switch Deta- disconnected from to control panel switching function of the external ched; control panel switch. Defective switch or control panel 1E07 Replace control panel.
  • Page 131 Troubleshooting LED display Meaning Action Slow flashing The control system does not register an Read the diagnostics report from the control sys- error trigger, but an error was possibly tem, determine the error code (see Page 132) triggered before. take the recommended actions. INFORMATION: The fewer LEDs are flashing, the less battery capacity Charge the batteries.

  • Page 132: Error Messages/Error Codes (Vr2 Control Unit)

    Troubleshooting 5.3.2 Error messages/error codes (VR2 control unit) Error codes indicating the cause of warnings or errors that occur are output via a connected handheld programming device. The PP1 or DTT handheld programming device can be connected for diagnosis (see Page 137). INFORMATION Only connect the programming device to the control system once the LED display is flashing.

  • Page 133: Other Errors (Not Displayed)

    Troubleshooting Error code Content Cause Possible measure 4401 Error in the control sys- Non-specific problem in the Contact the manufacturer. control unit 5400 and flas- Communication error e.g. defective plug connection, Check all plug connections and hing LEDs for cable break cables on controller.

  • Page 134: Vr2 Wheelchair Control

    VR2 wheelchair control VR2 wheelchair control Installation and wiring INFORMATION For clear assignment of the wiring, the cable ends are marked with abbreviated designations of the components being connected. The following designations apply among others: PM = controller/power module LM = light module JSM = joystick module/control panel Akt.
  • Page 135 VR2 wheelchair control Pin assignment on the internal charging connection (OBC) of the controller 1 Battery, positive 2 Switch for drive-away lock (Inhibit 3) 3 0 V Pin assignment on the charging receptacle of the control panel 1 Battery, positive 2 Battery, negative 3 Switch for drive-away lock Light module pin assignment...
  • Page 136 VR2 wheelchair control Wiring the modules and components 1 Controller (see Page 24) 6 Seat tilt actuator (see Page 89) 2 Drive motor (see Page 47) 7 Control panel (see Page 32) 3 Batteries (see Page 21) 8 Attendant control (see Page 35) 4 Light module (see Page 30) 9 Seat height adjustment actuator (see Page 85) 5 Lighting (see Page 113)

  • Page 137: Programming Tools

    VR2 wheelchair control Programming tools INFORMATION Read and understand the user manual for the programming devices in full before using such a device. If you reprogram your control system, make sure that you observe any restrictions described in the wheelchair instructions for use (user).

  • Page 138: Programmable Parameters

    VR2 wheelchair control Programmable parameters WARNING Incorrect configuration settings Falling, tipping over, collision due to programming errors Programming may only be performed by qualified personnel trained by the manufacturer. The manufacturer of the product and the control unit manufacturer are not liable in case of damage caused by programming which was not performed properly and/or which was not adjusted properly according to the user's abilities.

  • Page 139: Speed Parameters

    VR2 wheelchair control 6.3.2 Speed parameters Parameter Setting range Description Acceleration Single steps Setting of forward and backward acceleration of the wheelchair. from 0 to 100 A high value enables fast acceleration. This programmed acceleration value appears when a speed setting of 5 has been selected. Its value for other set- tings depends on the value of the parameter "Minimum acceleration".
  • Page 140 VR2 wheelchair control Parameter Setting range Description Number of drive Profiles 0–5 The VR2 control can be operated with a single or with multiple driving profi- profiles les. A driving profile consists of programmable parameters such as acceleration, deceleration, turn acceleration, turn deceleration, forward speed, reverse speed and turning speed.

  • Page 141: Log Functions

    R-Net wheelchair control Parameter Setting range Description Minimum turn 1% increments Setting of the minimum turn deceleration of the wheelchair. deceleration of parameter This percentage turn deceleration value appears if the speed has been set "Turn decelera- to 1. tion value" Programming example: •...
  • Page 142 R-Net wheelchair control Controller pin assignment REBUS Connection Details COLOUR LABEL White CAN H Blue CAN L POWER H Black POWER L Looking at Bottom view of controller 142 | Ottobock 490E75=0_C...
  • Page 143 R-Net wheelchair control Seat module pin assignment 490E75=0_C Ottobock | 143...
  • Page 144 R-Net wheelchair control Pin assignment on the internal charging connection (OBC) of the controller 1 Battery, positive 2 Switch for drive-away lock (Inhibit 3) 3 0 V Pin assignment on the charging receptacle of the control panel 1 Battery, positive 2 Battery, negative 3 Switch for drive-away lock 144 | Ottobock...
  • Page 145 R-Net wheelchair control Wiring the modules and components 1 Controller (see Page 24) 7 Attendant control (see Page 35) 2 Drive motor (see Page 47) 8 Power seat angle adjustment actuator (see Page 94/Page 96) 3 Batteries (see Page 21) 9 Seat tilt actuator (see Page 89) 4 Control panel (see Page 32) 10 Seat height adjustment actuator (see Page 85)

  • Page 146: Programming Tools

    R-Net wheelchair control Programming tools INFORMATION Read and understand the user manual for the programming devices in full before using such a device. If you reprogram your control system, make sure that you observe any restrictions described in the wheelchair instructions for use (user).

  • Page 147: Handheld Programming Device

    R-Net wheelchair control 7.2.3 Handheld programming device The DTT handheld programming device can be connected for programming the R-Net control unit (see Fig. 284). A handheld programming device enables access to programmable parameters for adjusting the wheelchair settings to the individual requirements of the patient, and to read error reports and timer information. Connecting the handheld programming device 1) Switch the wheelchair control unit off.

  • Page 148: Programmable Parameters

    R-Net wheelchair control Programmable parameters WARNING Incorrect configuration settings Falling, tipping over, collision due to programming errors Programming may only be performed by qualified personnel trained by the manufacturer. The manufacturer of the product and the control unit manufacturer are not liable in case of damage caused by programming which was not performed properly and/or which was not adjusted properly according to the user's abilities.

  • Page 149: Speed Parameters

    R-Net wheelchair control Parameter Setting range Description Sounder Volume 0–10 Volume of the acoustic feedback provided when operating a button or a switch on the joystick module. When the parameter is set to 0 there is no acoustic feedback. The higher the value, the louder the beep.
  • Page 150 R-Net wheelchair control Parameter Setting range Description Minimum Rever- Single steps Speed for reverse driving of the wheelchair when the joystick is pushed com- se Speed from 0 to 100% pletely back and the lowest speed level is set (only 1 bar illuminated). The value of the minimum reverse speed cannot be set higher than the value for the maximum reverse speed.

  • Page 151: Joystick Parameters

    R-Net wheelchair control Parameter Setting range Description Power Single steps Reduction of wheelchair power. Power indicates here the capacity of a from 0 to 100% wheelchair to drive up a hill or to overcome an obstacle. When the value is set to 100%, the wheelchair delivers full power.
  • Page 152 R-Net wheelchair control Parameter Setting range Description Joystick Left 25% to 100% Used to set how far the joystick must be moved to the left before full turning Throw in single steps speed to the left is reached. This is particularly useful for users who do not have full movement of their hands.

  • Page 153: Profile-Specific Control Parameters

    R-Net wheelchair control 7.4.4 Profile-specific control parameters The following parameters can be set under Controls/Profile: Parameter Setting range Description Change Mode Yes, no Used to set whether the mode can be changed while driving. while Driving Sleep Timer 0 to 30 min in Period for which the joystick (or a different type of input device) must be inac- single steps tive before the system automatically switches itself off.

  • Page 154: Latched Drive Parameters

    R-Net wheelchair control Parameter Setting range Description Standby Right Drive, seat, Used to set which mode is switched to if the joystick is moved to the right Bluetooth, when the system is in standby mode. Please note that Mode select in standby external de- must be set to Yes in order for this function to be active.

  • Page 155: Seat Parameters

    Technical data 7.4.6 Seat parameters An actuator function is a seat control function. An actuator function can comprise one actuator motor, e.g. a simple seat height adjustment, or more than one actuator motor, e.g. adjustment of both footrests at the same time or an anti-shear seat setting.

  • Page 156: Torque Values Of The Screw Connections

    Appendixes Mid-wheel drive (MWD) Seat height Seat Mobility base Seat depth Approved seat brackets adjustment/tilt with module Standard All sizes All seat depths 491C75=SS111; 491C75=SS112; 491C75=SS128 VAS/Recaro All sizes All seat depths 491C75=SS111; 491C75=SS112; 491C75=SS215 without module Standard All sizes All seat depths 491C75=LS126;...

  • Page 157: Control System Architecture

    Appendixes Control system architecture Analog/ Digital Sensor(s) 7 - Programming tools Button Wireless Actuator(s) 1 - HMI Parameters (input modules) Specialcontrol 3 - Output module(s) 2 - Controller Light(s) Analog/ 5 - Sensor(s) Digital (Sensormodules) Analog 4 - Environmental control Legend: Component, that contains software („SW Wireless...

  • Page 158: Record Of Delivery

    Appendixes Record of delivery INFORMATION Also observe the information for delivery in section 9.5. Retain the completed record of delivery. It may be requested by the manufacturer in case of complaints. Provide the user or attendant with a copy of the completed record of delivery. The user or attendant has been instructed in the use of the product and was informed of the residual risks.

  • Page 159: Maintenance Schedule

    Appendixes Maintenance schedule INFORMATION Also observe the information for delivery in section 9.4. Retain the completed maintenance report. It may be requested by the manufacturer in case of complaints. Provide the user or attendant with a copy of the completed maintenance report. Maintenance Type of wheelchair: Customer:...
  • Page 160 Appendixes Maintenance Type of wheelchair: Customer: schedule Area Inspection (checklist) Serial number: Function/setting In good condition Damaged Exchange/replace (depending on con- figuration) Caster wheels Caster fork Caster wheel swivel lock Track stabiliser Suspension / rigid elements Caster wheel sw- ing arm / Stabilising wheel swing arms Tyres Drive wheels...
  • Page 161 490E75=0_C Ottobock | 161...
  • Page 162 162 | Ottobock 490E75=0_C...
  • Page 164 Ihr Fachhändler/Your specialist dealer: Otto Bock Mobility Solutions GmbH Lindenstraße 13 · 07426 Königsee/Germany www.ottobock.com...

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