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The Service Manual is provided for the use of Agents and Authorized Repairers Alterations in constructional and technical manner or to the electronic require the written authorisation of LEVO AG, otherwise no warranty or product liability will be accepted. In case of difficulty contact: Manufacturer:...
Seat cushion.........................18 7.3. Footplate..........................18 7.4. Armrest..........................19 7.5. Low shearing at the back.....................20 7.6. Backrest assembly of the LEVO combi standard backrest ..........21 7.7. V-Trak backrest system (option)..................21 Safety harness ..........................23 8.1. Knee support ........................23 8.2. Chest strap ...........................23 Using the LEVO combi ......................24 9.1.
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12. Electromagnetic interference (EMI)..................33 13. Driving the wheelchair......................34 14. Motor solenoid brakes ......................36 15. Free wheel device / Motor disengaging lever ................37 16. Batteries............................37 16.1. Charging the batteries......................37 17. Attendant instructions ......................38 17.1. Motor brakes ........................38 17.2. Lifting & general safety ......................38 17.3.
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SERVICE MANUAL ........................43 Introduction ..........................44 Health & safety ........................44 Adjustments ..........................44 3.1. Seat depth ..........................44 3.2. Low shearing at the back.....................44 3.3. Adjustment of the backrest....................44 3.4. Electronic control system ....................44 Repairs: general instructions ....................45 Tools & torque settings ......................45 Important points........................46 Recommended safety checks ....................46 Repairs............................48...
EN 61000-4-4 Electromagnetic compatibility (EMC): Electrical fast transient/burst immunity test EN 61000-4-5 Electromagnetic compatibility (EMC): Surge immunity test Type of stand-up wheelchairs: LEVO Combi S-M / L-XL Wohlen, July 1. 2004 Dr. Kurt H. Fischer Thomas Räber Declaration of Conformity...
Seating and Standing Assessment Seat depth: too long Seat depth: correct Seat depth: too short Knee support attachment Knee support attachment Knee support attachment screw even with center of knee screw beyond center of knee screw short of center of knee Ankle/Knee/Hip joint straight Incomplete knee extension Knee joint hyper extended...
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Back too deep/thick Correct position Seat cushion too high Backrest cushion Seat cushion Cushion for pressure relief Backrest cushion or solid in seated position back for more comfort or stability Backrest Spine cushion physiological Hyper Lordosis Hyper extended spine Seat cushion Pelvis tilt Æ...
As such it belongs to the wheelchair category B. The LEVO combi makes it possible to stand-up and to drive in a standing as well as in a sitting position; all these functions are powered. (As an option there are more functions beside sitting and standing available.) The mentioned functions provide to the users great...
One year covering all electronic components including the motors. Batteries are excluded from the warranty. LEVO AG will not repair or replace free of charge any part or parts found to be defective due to abuse, misuse or lack of maintenance.
3.3. Storage The ideal condition to store the LEVO combi is a temperature between – 40° and + 60° Celsius (between -30° and +140° Fahrenheit). The humidity should not be above 90%. Please take care to guarantee these mentioned conditions to provide a long life time for the LEVO combi.
Please make sure that all components listed are delivered with the chair. Check the list shown in sector 3.2. 6.1. LEVO combi standard backrest Information about the assembly of the LEVO combi standard backrest is printed under the sector 7.6. The standard backrest is not developed for quick fitting and removing.
3. Adjusting lever on the right hand side 4. Adjusting lever on the left hand side Is the LEVO combi equipped with the option reclining backrest, it is also necessary to adapt the adjustable plates of the actuator for backrest reclining.
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The seat cushion is fixed on the adjustable plate of the seat support made of metal. x Detach the seat cushion first. x Move the seat in a more upright position using the joystick module for easier access. x Switch off the joystick module as well as the fuse automatic. x Remove the four adjusting screws on the seat support plate using a 4 mm hexagon key, to adjust the depth of the seat support plate.
Important: When changing the seat depth please take care that all four components (seat support, extending plate, adjustable lever and adjustable plate) are adjusted at the same time! All four components must be fixed at exactly the same position (see picture 3 and 4). 7.2.
The angle of the footplate can be changed in a range from minus 5° to plus 15° to the horizontal level. To put the angle of the footplate in the requested position adjust the two threaded pins (A) below the footplate using a 6 mm hexagon key.
(see picture 11). Now move the joystick module first to the side and then backwards. As a further option the LEVO combi features a tilted armrest mechanism. (See picture 24 on page 22). Armrests tilting while changing position from sitting to lying, provide most comfort to the user, because his arms are horizontally well-positioned and they feel continuously stable.
7.7. V-Trak backrest system (option) The LEVO combi can be supplied optionally with the V-Trak backrest system, which guarantees most comfortable sitting. The V-Trak system provides features for most individual adjustment. The backrest consists of a comfortable padded adjustable back shell and a fully adjustable mounting system.
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Adjustments of the backrest Backrest depth: x Loosen the two arm pivot bolts and nuts (E) using a 13 mm spanner. x Move the backrest forwards or backwards to the desired location (see picture 13). x Retighten the bolts and nuts. Backrest height: x Loosen the height set bolts (C) using a 13 mm spanner.
Chest strap tandard backrest of the LEVO combi Remove the back cover of the backrest upholstery. Pull it from the Velcro band and fold it up. Press now the Velcro strip of the chest strap onto Velcro bands of the backrest.
To tighten, buckle the belt together and pull on the end of the belt. Using the LEVO combi Warning: To avoid any risk of tipping over the LEVO combi must only be used in the stand- up position on firm level ground. 9.1.
9.3. Sideways transfer x Drive as close as possible to a chair, bed or any other objects you want to transfer to. x Make sure the joystick module is switched off. x Check if the motor disengaging lever is in the ON position for no movements of the powered wheels.
4. Pull up the skirt guard the way that the double-head screw slides along the vertical jog and the guard can be completely removed from the chair. The safety cut-out The safety cut-out situated on the battery cover must be switched ON.
Joystick module Charging socket/ Security (underneath front of joystick module) Battery ON / OFF indicator button Warning lights Lights Indicator left Indicator right Mode button Horn button forward Mode indicator Speed selection left right Joystick backward Warnings: x Avoid knocking your joystick module and especially the joystick. x Be careful not to drive the joystick module into obstacles.
11.1. Security key A security key is supplied to your LEVO combi to lock your joystick module to prevent unauthorized use. With this security system goes a key which you will find delivered with the chair. To lock: switch on the joystick module then insert the key into and remove it from the charging socket at the front of the joystick module (see picture 20).
For safety we advise you to change the speed when the wheelchair is stationary. 11.6. Mode functions Standing (standard function) The LEVO combi is supplied with a stand-up function to set the seat and the back of the chair upright for an almost completely upright standing position. (See picture 21).
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Lift (optional function) The LEVO combi can optionally be supplied with a lifting function to horizontally raise the seat up to 15 cm / 6". (See picture 22). To operate the lift mechanism, with the wheelchair stopped, press the MODE button (see picture 19) until the red indicator light comes on at the wheelchair symbol just set at the seat.
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Lying to standing function (optional function) The option lying to standing moves the chair from a horizontal position directly to a total upright position. To activate this function, press the little switch on the front end of the armrest down (See picture 25. same armrest as the joystick module is mounted at).
To stop when you feel comfortable, just let go of the joystick. 11.7. Lighting installation The lighting installation of the LEVO combi includes two white lights pointing forwards and two red lights pointing backwards as well as four indicators.
The LEVO combi standard version (no further measures) is supplied with a disruptive strength level of 20 vpm. The LEVO combi is constructed to resisted to a regular level of interference as it occurs in a household. Beside that there exists a certain number of sources of relatively strong magnetic fields to which you should stay in a save distance.
Before starting to drive your wheelchair take time to read all the instructions regarding the LEVO combi and to get to know the controls. When first learning to drive your wheelchair, practice in an area you know well. We suggest a large flat smooth area such as your living room or the driveway to your home.
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A limit switch with some important security features programmed is a standard of the LEVO combi. In correlation of the current position of the chair and the inclination of the ground the speed is automatically reduced. In extreme situations the system prohibits to continuing driving for the safety of the user.
Always approach small obstacles such as dropped curbs, ruts and thresholds at right angle. Always drive over obstacles slowly to avoid jolting or tipping. The LEVO combi has a curb climbing ability of maximum 6 cm / 2,4" being in a sitting position and 4 cm/1.6” being in an upright standing position.
16.1. Charging the batteries The LEVO combi is supplied with a 24 Volt automatic battery charger type G2-300 which is easy to operate. Charge the batteries at a time convenient to you. We suggest overnight. It is recommended to charge for 16 hours.
Notes: The wheelchair cannot be driven when the charger plug is connected. The battery will not charge if the main switch on the battery box is switched off (see sector 10) To charge the battery, insert the small round plug on the lead from the battery charger into the socket beneath the front of the joystick module.
Maintenance 19.1. Motor brakes The LEVO combi is designed to be maintenance free and apart from the items below does not require attention from the user. Please note that to maintain safe and efficient operation the wheelchair should be serviced at least once per year by your LEVO agent or authorized dealer.
Return the wheelchair after the product lifetime to the sales point. The dealer will dispose of it according to local regulations. Regarding the possibilities for individual adjustments your LEVO combi might be of use to another stand-up wheelchair user. Return old batteries to the sales point of the wheelchair or of the new batteries. The dealer will dispose of them according to local regulations.
Please contact your local specialist in case you followed the advices but the problem still exists. Please provide your specialist with the serial number of your LEVO combi which is noted on the warranty card. This number might be important in case of questions to the...
LEVO combi & combi JR SERVICE MANUAL This manual is for use by LEVO AG agents or their authorised dealers. Read these instructions before servicing the wheelchair. This service manual must be read in conjunction with the user manual. Alterations in constructional and technical manner or to the electronic require the written authorisation of LEVO AG, otherwise no warranty or product liability will be accepted.
This service manual is to be used by the LEVO agent or authorised dealer. The manual gives information on how to perform a safety check and carry out repairs to the LEVO combi. This manual provides a good service to the persons in charge of the maintenance of the LEVO combi.
Penny&Giles electronic control systems. Incorrect programming could result in an unsafe set-up of a wheelchair for the user. LEVO AG accepts no liability for losses of any kind if the drive or stability characteristics of the wheelchair are altered without prior notification and discussion with LEVO AG.
Always use recommended components and parts available from LEVO AG. x Do not modify or repair the frame. LEVO AG is responsible for any repairs on gas springs, motors and electronic parts. Recommended safety checks The following safety checks should be carried out at least once per year. This should be done by a LEVO agent or authorized dealer.
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Check the free wheel device and the motor disengaging lever for correct operation. Repair any fault found. Check the mechanical function of the motor disengaging lever. Pull the motor disengaging lever out and turn it simultaneously to the OFF position. At this stage it should be possible to push the wheelchair.
Repairs 8.1. Replacing the drive wheels When removing a wheel, the wheelchair must be unoccupied. The wheelchair must be supported (B) so that it neither falls over or moves when a wheel is removed. x Pull off the protective end cap which covers the countersunk screw.
8.3. Replacing the front wheels When removing a wheel, the wheelchair must be unoccupied. The wheelchair must be supported so that it neither falls over nor moves when a wheel is removed. x Pull off the protective end caps from the axle. x Loosen the hexagon screw and washer using a 13 mm hexagon key and remove the screw, the washer and the nut (A).
8.5. Replacing the wheel fork (at front and back) When removing a wheel and/or a wheel fork, the wheelchair must be unoccupied. The wheelchair must be supported so that it neither falls over nor moves when a wheel is removed. x Loosen the hexagon spike (A) at the wheel fork axle as much as it needs to withdraw the fork from the mount.
8.7. Replacing the motor disengaging cable (free wheel device) x Raise the seat to its maximum upright standing position. x Switch off the joystick module. x Remove the cover of the motor loosening both screws using a 4 mm hexagon key. Right hand side motor disengaging cable x Cut the right hand side motor disengaging cable (B) from the cable clamp (A).
8.8. Replacing the driving motor When removing the driving motor, the wheelchair must be unoccupied. The wheelchair must be supported so that it neither falls over or moves while replacing the driving motor. x Switch off the safety cut-out. x Open the cover of the battery box and disconnect the motor plug (A) from the power module.
Lift the batteries out of the battery box. x Put the new batteries in the battery box. x Reassemble in the reverse order. The batteries should always be replaced as a complete set. 8.10. Replacing the joystick module x Switch off the joystick module. x Unplug the joystick cable at the back of the joystick module.
- right motor cable (D) - joystick cable (E) (all cables are listed from the left to the right hand side, see picture 14) Please notice the interlocking of the different plugs: ALM and joystick plug: pull back the lock. Motor cable plug: press the release catch at both sides of the plug.
8.14. Replacing the actuator "standing" x Raise the seat to the upright standing position. x Switch off the joystick module and the safety cut-out. x Remove the quick-release axle (A, picture 16) from the upper end of the actuator. x Push the seat further to the upright position as high as it needs to remove the actuator off the recess drilled into the seat support.
8.16. Replacing the actuator "lying" x Raise the seat to the upright standing position. x Switch off the joystick module and the safety cut- out. x Disconnect the plug of the actuator "lying" from the battery box. x Loosen the screw (A on picture 19) using a 8 mm flat wrench.
Caution: Never touch a bulb at the glass casing with bare fingers. This effects the life time of the bulb most negatively. The LEVO combi is supplied with the following types of bulbs: - lights in front, white 12V / 3W, screw thread E10...
8.19. Replacing the light (front, white) Disconnect the light plug (A) from the battery box. x Loosen the screws at the side using a 5 mm hexagon key for removing the white light (B). Loosen the Phillips head screw using t he correlated screwdriver and remove the cover plate from the ligh (D).
Testing the wheelchair Always perform full functional te sts on the wheelchair when repairs have been completed and efore it is returned to the customer. Only return the wheelchair to the client when all faults have been rectified. Cleaning Befo returning th e wheelchair to the customer ensure the wheelchair is clean and well resented: x If there...
Technical information 11.1. Measurements (metric) Model L-XL Seat width 38 / 44 / 50 cm Seat depth adjustable (incl. leg protector) 36 - 47 cm 47 - 58 cm Seat height (from top of cushion) 56 - 71 cm Armrest height (from top of cushion) 11 - 27 cm Footrest height (from top of cushion) 37 - 58 cm...
11.3. General technical information Diameter 350 mm x 70 mm; 14” x 2¾“ Drive wheels Tires No breakdown risk Front wheels Diameter 200 mm x 50 mm; 8” x 2” No breakdown risk Tires Diameter 140 mm x 40 mm; 5½“ X 1½“ Back wheels No breakdown risk Tires...
Finally, be aware that adding accessories or components, or modifying the powered wheelchair, may make it more susceptible to EMI. LEVO AG cannot take any responsibility for the effects of EMI if your wheelchair has been altered in any way.
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