Levo AG Combi Instruction And Service Manual Download Page 12 | Manualshive

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1.

Introduction

Thank you to choose the LEVO

combi

.

The LEVO

combi

has been designed as a powered stand-up wheelchair for indoor and

outdoor use. 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
independence.

The LEVO

combi

is made for everyone whose muscles do not support them to propel a

wheelchair manually. The LEVO

combi

is a unique aid for those facing difficulties in

standing and walking.
The LEVO

combi

has been designed for older children and adults who will benefit from

motorised mobility and the ability to stand up at will.
All functions are powered and it is easy to change position by using a joystick. The standard
model of the LEVO

combi

allows comfortable sitting and standing on every stage between the

sitting and the complete standing position. Driving is possible in all stages.
As an option the LEVO

combi

model includes a powered seat lift and/or a reclining back. The

seat tilt function comes with the seat lift in a wide range of angles and correlating to the seat
height, respectively the space between the battery cover and the seat plate in a limited range.
Seat tilt in combination with the backrest reclining function allows the user to be in a most
comfortable position called “relax”, which means the seat plate is tilted at its end, the backrest
is reclined and the feet rest is raised.
As further option “lying to standing directly” can be chosen.

The wheelchair has two drive wheels in the middle, two castors at the front and one security
back wheel. This construction allows easy steering. The LEVO

combi

is constructed with a

mid wheel drive for the smallest turning circle. The turning radius is 57,5 cm or 22,6 inches.

For easier transportation it is possible to detach the back. The armrests lift up for easy
sideways transfer.

The seat and backrest are fully adjustable to meet the needs of a wide range of users.

The maximum load weight is 120 kilograms or 265 pounds; this includes all personal
belongings carried along too.

The LEVO

combi

is certificated with a

-

sign. This product corresponds to the regulations

notified as 93/42 EWG.

Several technical features of the LEVO

combi

are protected by patents. LEVO AG possesses

the US-Patent No. 5’964’473 and patents pending in other countries.

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Summary of Contents for Combi

Page 1: ... 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 Agent LEVO AG Anglikerstrasse 20 CH 5610 Wohlen Tel 41 0 56 618 44 11 Fax 41 0 56 618 44 10 Internet http www levo ch ...

Page 2: ...s 16 7 1 Seat depth 16 7 2 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 8 Safety harness 23 8 1 Knee support 23 8 2 Chest strap 23 9 Using the LEVO combi 24 9 1 Getting into the wheelchair 24 9 2 Getting out of the wheelchair 24 9 3 Sideways transfer 25 9 4 Skirt gua...

Page 3: ...eries 37 16 1 Charging the batteries 37 17 Attendant instructions 38 17 1 Motor brakes 38 17 2 Lifting general safety 38 17 3 General safety 39 18 Cleaning 39 19 Maintenance 39 19 1 Motor brakes 39 19 2 Spare parts 39 20 Transporting your wheelchair 39 21 Disposal 40 22 Trouble shooting 40 23 Controller self help guide 41 24 Technical information 42 3 ...

Page 4: ...earing system 50 8 7 Replacing the motor disengaging cable free wheel device 51 8 8 Replacing the driving motor 52 8 9 Replacing the batteries 52 8 10 Replacing the joystick module 53 8 11 Replacing the power module 53 8 12 Replacing the ALM Actuator Lights Module 54 8 13 Replacing the gas spring 54 8 14 Replacing the actuator standing 55 8 15 Replacing the actuator lift 55 8 16 Replacing the actu...

Page 5: ...LEVO combi combi JR INSTRUCTIONMANUAL Please read these instructions carefully before attempting to use your wheelchair 5 ...

Page 6: ...Possible positions LEVO combi Seating position standard LEVO combi Seating position plus lift option 6 ...

Page 7: ...LEVO combi Lying position option and armrest mechanism for reclined position option LEVO combi Standing position standard 7 ...

Page 8: ...LEVO combi Relax position option LEVO combi Sitting position shown with powered reclining backrest and legrest options 8 ...

Page 9: ...s nominal documents EN 12 184 Electrically powered wheelchairs scooters and their chargers UNI 14971 Medical Equipment Risk Management EN 60601 1 2 Medical electrical equipment General requirements for safety electromagnetic compatibility EN 61000 4 2 Electromagnetic compatibility EMC Electrostatic discharge immunity test EN 61000 4 3 Electromagnetic compatibility EMC Radiated radio frequency elec...

Page 10: ...hort Seat depth correct Knee support attachment screw even with center of knee Knee support attachment screw beyond center of knee Knee support attachment screw short of center of knee Knee joint hyper extended Incomplete knee extension Ankle Knee Hip joint straight 10 ...

Page 11: ...re comfort or stability Seat cushion too high Cushion for pressure relief in seated position Backrest cushion Seat cushion Pelvis tilt incomplete hip extension Hyper extended spine Backrest cushion High pressure Hyper Lordosis Spine physiological Seat cushion Legs straight 11 ...

Page 12: ...ing back The seat tilt function comes with the seat lift in a wide range of angles and correlating to the seat height respectively the space between the battery cover and the seat plate in a limited range Seat tilt in combination with the backrest reclining function allows the user to be in a most comfortable position called relax which means the seat plate is tilted at its end the backrest is rec...

Page 13: ... given on the front page 3 Delivery 3 1 Despatch and transportation For delivery all LEVO wheelchairs are packed in a big cardboard box The back is detached for careful packing Especially sensitive parts have extra protection to avoid any damages caused by transportation All wheelchairs are carried by lorry or air freight 3 2 Delivery Because of the complex nature of this wheelchair it will be del...

Page 14: ...hair and especially electrical components are very sensitive to too much water even some splashes of water don t harm There is a danger of false function regarding some electrical parts getting too wet It is not recommended to drive long distances in the standing position in outdoor areas This function is meant for moving around standing indoors as in the kitchen or in the office for examples The ...

Page 15: ...es The following symbols are to be found on the wheelchair Warning risk of pinching Make sure no parts of the body clothing or other items get jammed Warning read user s manual Caution Federal law restricts this device to sale by or on the order of a medical professional licensed by the law of the State in which he she practices You should under no circumstances attempt to stand up without followi...

Page 16: ...lder at the armrest Plug in the control cable behind the joystick module Check that the free wheel device is clicked shut and the motor brakes function For more information about that subject consult sector 14 Ensure that the main fuse below the battery cover is put on 7 First adjustments 7 1 Seat depth The seat depth has to be adjusted to the length of the upper legs Precise adjustment is very im...

Page 17: ... Pull or push the seat support in the requested position and tighten the screws all positions must be adjusted to the same number see positions marks in picture 3a and 3b Push the extending plate to the corresponding position and also tighten the screws See picture 2 Marks 3a 3b 4 B A For any changes of position regarding the adjusting lever and the adjustable plates of the actuator for backrest r...

Page 18: ...ressure ulcers at the front edge of the seat The leg protector is available as an option See picture 5a For more information please contact your local specialist 5 a 7 3 Footplate The adjustment of the footplate is possible in between a range of 13 cm 5 8 different positions of holes D with a distance of 18 mm 0 07 from one to the next Adjust the height of the footplate removing both hexagon screw...

Page 19: ...s fully adjustable in between a range of 14 cm 5 5 to 33 cm 13 the height of the armrest is measured from the upper edge of the seat cushion to the upper part of the armrest Loosen the cylindrical screw on either side of the armrest joints using a 5 mm hexagon key See picture 9 Now push the connecting rod and the armrest joints along the backrest tube for the ideal position Tighten the cylindrical...

Page 20: ... to the bed or back to the LEVO combi Caution To prevent the risk of snapping off the joystick module please be careful and avoid hitting the joystick against any object 7 5 Low shearing at the back The LEVO combi is equipped with a new low shearing mechanism see picture 12 which eliminates the shearing movements for most comfort as a user benefit in a sitting as well as standing position This she...

Page 21: ...rding the needs of the user to optimize the support in the sitting position Put the back cover back in place 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 ...

Page 22: ...hown and pull the strap off the Velcro fastener see picture 14 Increase or decrease the tension on the strap to the desired level and press the strap down onto the Velcro fastener Repeat for each strap When you are satisfied with the tension on the cushion refit the rear cover Adjustment of the head support option To remove the head support loosen the screw B using a 10 mm screwdriver Lift the hea...

Page 23: ...o that the knee e just below the kneecap 2 Chest strap tandard backrest of the LEVO combi Remove the back cover of the backrest upholstery Pull it from strap passes around the backrest tubes The height of 15 A B Fit the knee suppo wedge is between your legs B Close the quick release catch on the belt The knee support should b max 2 finger widths Tighten the belt until there is just enough room to ...

Page 24: ... the belt 9 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 Getting into the wheelchair Make sure the wheelchair joystick module is switched off Check if the motor disengaging lever is in the ON position for no movements of the powered wheels Lift up the footplates Transfer yourself onto the seat usin...

Page 25: ...chair or have yourself transferred out of the wheelchair 9 4 Skirt guards 17c As an option there are skirt guards available A skirt guard is put on either side of the seat plate See picture 17a Mounting and dismounting can easily be done by hand Please read the following instructions for taking the skirt guards off and see the pictures 17b to 17e To put the skirt guards back in place follow the in...

Page 26: ...st be switched ON You can reach it sitting in the wheelchair on the left hand side under the front edge of the side cover ON OFF 18a 18b The safety cut out system protects the stand up mechanism the motors and controller circuits against too high electrical power Push the switch down to switch it ON see picture 18 a Pull the switch up to switch it OFF see picture 18 b We suggest for convenience yo...

Page 27: ...ery indicator Warning lights Warnings Avoid knocking your joystick module and especially the joystick Be careful not to drive the joystick module into obstacles Avoid damage to cables Do not let your joystick module get damp or contaminated with food or drink If it gets damp or dirty clean it off as soon as possible Always clean your joystick module with a cloth dampened with diluted detergent Nev...

Page 28: ...ry charge left in the batteries Also see section 16 1 charging the batteries It also indicates any faults details are given in section 22 11 4 Joystick The joystick controls the direction and speed of the wheelchair The joystick is also used to choose the different mode functions See picture 19 To drive forwards push the joystick forwards The further you push it from the centre the faster the whee...

Page 29: ...he seat and the back of the chair upright for an almost completely upright standing position See picture 21 21 To operate the stand up mechanism with the wheelchair stopped press the MODE button see picture 19 until the red indicator light comes on at the wheelchair symbol Move the joystick to the left or right side until the indicator lights are at the seat and at the back of the wheelchair symbo...

Page 30: ...the backrest reclines and the footrest raises simultaneously See picture 23 23 To operate the mechanism for relaxing and lying press the MODE button see picture 19 until the red indicator light comes on at the wheelchair symbol Move the joystick to the left or right side until there is a red indicator point only at the back of the wheelchair symbol This way you select the mode for the relax and ly...

Page 31: ...ck backward To stop in any position between lying and standing let go of the joystick To reach the completely upright standing position see picture 21 push the joystick forward until the mechanism switches off automatically To lie down again just pull the joystick backward and let of the joystick when you feel comfortable Changing from standing to sitting requires to push down the little switch wh...

Page 32: ... which allows a most comfortable position for activities as reading listening to music watching TV or just relaxing This function can only be operated with the options backrest reclining and seat lift when the user s seat height is rather high this option works limitedly without the seat lift function See picture 27 27 Being in the position with a comfortable seat tilt is the initial position to r...

Page 33: ...e of transmitter and radio wavelength Powered wheelchairs might be influenced by strong electromagnetic interference This interference is caused by radio and tv stations amateur radio sets walkie talkie two way radios and mobile phones Interference especially of radio stations might have an influence on the brakes of a powered wheelchair so that they get released and so the chair runs away It coul...

Page 34: ...to take especially care carrying a sender and receiver with you It might occur that an item as mentioned gets very close to the controller of the wheelchair and like that electromagnetic energy gets unintendedly too close too In this situation the electromagnetic energy might influence negatively the function of brakes as well as the motion characteristics of the wheelchair 13 Driving the wheelcha...

Page 35: ...the speed is automatically reduced In extreme situations the system prohibits to continuing driving for the safety of the user It is be possible to go on as soon as the seat plate is lowered Please read the detailed information below Chair drives up to 100 Chair drives up to 40 Chair drives up to 10 of maximum speed of maximum speed of maximum speed Chair drives up to 100 Chair drives up to 40 Cha...

Page 36: ...dogs and so on close to you and ahead of you because they intend to stop or change direction unexpectedly Never switch off the joystick module while driving the wheelchair If you do the wheelchair will stop instantly and there is a danger of being thrown out of the wheelchair Always let go of the joystick and the wheelchair will stop smoothly If you think that you cannot find a maximum speed contr...

Page 37: ...ever leave the wheelchair unattended with the motor disengaging lever on the OFF position There would be a risk of the wheelchair running away If the wheelchair starts to run away immediately turn the lever half way around the way that ON is at the upper position This will stop the wheelchair immediately 16 Batteries The LEVO combi is supplied with maintenance free dry rechargeable batteries of th...

Page 38: ...dvice To disconnect the charger unplug the main plug then remove the small round plug from the wheelchair joystick module The battery can be left on charge indefinitely The batteries will not be overcharged Allowing the batteries to deep discharge will damage them If a deep charge occurres charge the battery as soon as possible for 24 hours Always take every opportunity to charge them this will co...

Page 39: ...amily can easily carry out the following tasks Keep the wheelchair clean Never store the wheelchair when damp Keep the batteries charged to the maximum Check if all fittings harness etc are working properly see section 6 8 Check operation of motor disengaging lever weekly Check operation of all controls daily If any faults are found report them immediately to your agent He will advise you whether ...

Page 40: ...le in sleep mode To restart switch off then on again Joystick module Battery level indicator flashes rapidly See section 23 below Will not drive in a straight line Consult LEVO agent Motors turn and battery level indicator lights up but chair does not drive Make sure motor disengaging lever is pushed fully forwards Charge batteries Driving Motors do not turn but battery indicator lights Charge bat...

Page 41: ...Make sure the joystick is in the rest position before switching on 6 yellow Charger connected The battery charger is plugged into the wheelchair Unplug the charger from the joystick module 5 yellow Right motor wiring fault The right hand motor has a short circuit to a battery connection Contact your local agent 4 yellow Right motor disconnected The right hand motor has a bad connection Make sure t...

Page 42: ... upholstery 89 104 cm 35 41 Speed 0 10 km h 6mph Range 55 Ah batteries 35 km 22 miles Max gradient sitting position 10 Max gradient standing position 3 Kerb climbing ability sitting position 6 cm 2 4 Kerb climbing ability standing position 1 cm 0 4 Measurements LxWxH no back system included 93 x 66 x 67 cm 36x26x26 5 Max weight 170 kg 375 pounds Max total load 120 kg 265 pounds Batteries 55 Ah Bat...

Page 43: ... 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 43 ...

Page 44: ... your own and other peoples health and safety 3 Adjustments The majority of the adjustments can be carried out by the user or his family and are covered in the instruction manual However the LEVO agent should always on delivery adjust the wheelchair to suit the user 3 1 Seat depth The adjustment of the seat depth should only be done by the LEVO agent or authorised dealer For information consult th...

Page 45: ...sibility of the person programming the control system to make sure that the settings are safe and to note any programming changes made 4 Repairs general instructions Only a LEVO agent or their authorized dealers should carry out servicing and repairs to the LEVO combi Repairs For advice in all repairs in Switzerland contact LEVO AG Switzerland For all other countries contact your local LEVO agent ...

Page 46: ... to be completely pushed down Repair any fault found immediately 2 Examine the wheelchair frame for any damage Replace any damaged or faulty components 3 Examine the condition of the seat cushion and the backrest cover standard version respectively the therapod back shell cover V Trak backrest system and replace if necessary 4 Examine condition of all harnesses straps and buckles and replace if ne...

Page 47: ...tery indicator on the joystick module for any failure indication Consult the controller self help guide user manual sector 23 for details about failure indications 12 Make sure all the connectors are properly inserted that the brake solenoids are energized and that the solenoid coil is not open or short circuited by testing the two bigger pins on the motor lead plug If necessary replace the motor ...

Page 48: ...order 8 2 Replacing the tire of a drive wheel When replacing the tire means removing a wheel the wheelchair must be unoccupied The wheelchair must be supported so that it neither falls over or moves when a wheel is removed H C B2 2 D E B1 A F G Remove the drive wheel as described in sector 8 1 Remove the four black countersunk screws G to take the flange C of the wheel using a 5 mm hexagon key Rem...

Page 49: ...d the nut A Withdraw the wheel from the fork Reassemble the new wheel in reverse order Make sure all washers are placed correctly 8 4 Replacing the back wheel When removing the wheel the wheelchair must be unoccupied The wheelchair must be supported so that it neither falls over or moves when the wheel is removed Loosen the screw A using a 6 mm hexagon key and remove the screw the washer and the n...

Page 50: ...ing system As a standard a connector of medium size is fixed The shearing range regarding the back movement is 9 cm 3 5 The replacement of this connecting piece using a shorter or a longer piece causes a variation of 8 cm 3 respectively 10 cm 4 of the shearing range Raise the seat to its maximum upright standing position A 7 6 A Switch off the joystick module Loosen the fillister head screw at the...

Page 51: ...disengaging cable backwards out Make sure the motor disengaging lever is at the ON position Lead first the new motor disengaging cable through the adjusting screw C The nut D should be centred of the adjusting screw C Lead then the cable through the hole of the disengaging motor and through the other hole in the metal piece E on the motor Lead the cable through the small tubes at both side of the ...

Page 52: ...e drive wheel in the reverse order Connect the motor plug to the power module Switch on the safety cut out B 11 8 9 Replacing the batteries Caution The battery box is heavy take care when lifting and carrying Caution When working on the batteries take great care not to short out the terminals with any metal tools etc Always remove wristwatches or jewelry When reconnecting make sure all wires are c...

Page 53: ...k module Loosen the two hexagon screws A at the back of the joystick module using a 3 mm hexagon key and remove them Lift the joystick module Mount the new joystick module in the reverse order 8 11 Replacing the power module A B C D E 14 Raise the seat to its maximum upright standing position Switch off the safety cut out on the battery box Open the cover of the battery box Unplug the following co...

Page 54: ...the battery box Disconnect the plugs at the connector Connect the plugs of the new ALM along the scheme shown at the inside of the battery cover Reassemble the new ALM in the reverse order 8 13 Replacing the gas spring The gas spring serves for easy manual raising of the seat in case of any disorder considering of the batteries or the actuator standing and you still need access to the battery box ...

Page 55: ...ction as an option get the chair in the maximum lying position It is hard access to the actuator lift if there is no such function added 18 A B Switch off the joystick module and the safety cut out Support the lower base of the yoke A using a log B or wooden rod that might be a broomstick for example to secure the lift from falling down See picture 18 Unplug the actuator lift from the battery box ...

Page 56: ... actuator is retracted inside Start work at the front part of the actuator and connect the plug of the actuator at the battery box first Retract the piston rod until it fits to the halter at the back 8 17 Replacing the safety cut out To replace the safety cut out the seat needs to be in the standing position for access to the safety cut out and the battery box In case the seat is locked in the sit...

Page 57: ...e bulb in a light front white B A 21 Loosen the screw A using a small Phillips screwdriver and remove the white cover plate B Turn the bulb counter clock wise off the thread Replace the bulb in the reverse order Replacement of the bulb in a indicator front back orange Loosen the screw using a small Phillips screwdriver and remove the orange cover plate Press the bulb smoothly into the thread and t...

Page 58: ...d e indicator casing the hexagon screw using the correlative 5 mm e icator in the reverse order A 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 screwdriver and remove the cover plate from the ligh D Pull t connectors Remove the 23 washer using a 5 mm hexagon key Demount the ligth Reassemble the new 8 B Demount the bulb ...

Page 59: ...heelchair to the customer ensure the wheelchair is clean and well resented is any dirt it should be cleaned off using a damp cloth and then dried thoroughly For more stubborn stains wipe with a damp cloth using a mild solution of warm water and Always perform full functional te b have been rectified 1 Befo returning th p If there soap Never use furniture polishes or spirit to clean the frame 59 ...

Page 60: ...k height incl standard back upholstery 43 cm Overall width 66 cm Overall length 110 cm Smallest turning circle diameter 110 cm Overall height incl standard back upholstery 89 104 cm Speed 0 10 km h Range 55 Ah batteries 35 km Max gradient sitting position 10 Max gradient standing position 3 Kerb climbing ability sitting position 6 cm Kerb climbing ability standing position 1 cm Measurements LxWxH ...

Page 61: ...ight incl standard back upholstery 17 Overall width 26 Overall length 43 Smallest turning circle 43 Overall height incl standard back upholstery 35 41 Speed 6mph Range 55 Ah batteries 22 miles Max gradient sitting position 10 Max gradient standing position 3 Kerb climbing ability sitting position 2 4 Kerb climbing ability standing position 0 4 Measurements LxWxH no back system included 36x26x26 5 ...

Page 62: ... 12 V DC Micro Motor Drive motor actuator 24 V DC 350 W Batteries 55 Ah Maintenance free lead accumulator in fleece technology 2 pcs 12V 55 Ah type Sonnenschein dryfit A 500 Size 260x135x230 mm pc weight 18 kg pc Max discharge power for 6 minutes 72 A Range Approximately 35 km 22 miles Note Range is affected by the load carried hills climbed and temperature Maximal tolerable gradient static 10 25 ...

Page 63: ...lular phones while the powered wheelchair is turned ON Be aware of any nearby radio or tv station transmitters and try to avoid going close to them If unintentional movement or brake release occurs turn the powered wheelchair OFF as soon as it is safe to do so Report all incidents of unintentional movement or brake release to the manufacturer and note whether there was a radio wave source nearby F...

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