Stair Climbing System - Powered Stairclimbers, Powered
Contents
1. Check brake lining Check the climbing foot s lining Cleaning sa a ee ae ed Warranty Liability we oe ee oe me ee AAT Ideen bewegen mehr 1 General information Congratulations With the acquisition of this stair climbing system you have a device that will quickly become a reliable and indispensable partner in transporting physically disabled people With the C max you are able to transport persons safely and effort lessly up and downstairs even winding stairs are no problem for the C max Driving on slopes is also possible The safety brakes on both sides of the C max ensure your safety Naturally the C maxis also suitable to drive on level ground The devi ce Is lightweight flexible and does not take up much space 1 1 Instruction This user s manual will instruct you step by step about the safe and adequate use of the C max Operating the max takes a certain skill In the interest of your sa fety only trained personnel may use the C max Please read this user s manual carefully and particularly take note of the safety instructions before you use the maxfor the first time 1 2 Care and maintenance One of the most important aspects concerning the maintenance of the C maxis charging the sealed lead acid batteries They are part of the battery pack and must be charged every time after using the de vice Other than that your C max does not need much care or maintenan ce2. down 10 When the climbers reach the next lower step they resume the load of the main wheels while those plus the climbing fra me are lifted off the higher step 23 Ideen bewegen mehr 11 Now the main wheels and the climbing frame are moved for ward Then the main wheels plus the climbing frame are lowered by pulling up the climbers until 12 the main wheels touch down on the next step see picture If you activated the single step mode the climbers are pulled in entirely and then the descending process ends at this point 13 Again push the C max all the way to the edge of the step i e until the sensitive rolls of the security brakes stop the C max To continue descending you need to press the UP DOWN Switch again direction DOWN if you activated the single step mode Climbing downstairs now repeats itself as explained in point 7 and following 6 12 Laying the C max on the stairs In an emergency you may lay down the C max on the stairs The secu rity brakes prevent the max from rolling down see picture 24 AAT Ideen bewegen mehr 7 7 1 Accessories Battery pack The c max works with batteries and is delivered with one battery pack Additional battery packs we call them quick release battery packs are available as an accessory We recommend an additional battery pack if you use the C max con tinuously i e there are not sufficient breaks f
3. 3 I Please do not exceed the maximum lifting capacity see chap ter 5 1 When seating a person on the C max please be aware of 6 5 1 Secure stand of the C max When a person is seated on the C max the device must stand secu rely on the ground Therefore the climbers must be extended in such a way that they touch the ground and support the device see pictu re Turn the C max on by pressing the ON OFF switch Now activate the UP DOWN switch direction UP until the climbers touch the ground 6 5 2 Swivel out or remove the arm rests When a person is seated the arm rests can be swivelled out or if necessary removed entirely After the person is seated please bring the arm rests into their original position 6 5 3 Fold out the foot rest When a person is transported please fold out the foot rest see pic ture and if necessary help the person to place his her feet on it 16 Ideen bewegen mehr 6 6 Operation on level ground After the person has been properly seated you may transport him or her effortlessly on level ground see picture I Passing over thresholds pulling the max backwards is much easier than pushing it forwards over them 6 7 Adjust the handles For climbing stairs or driving on slopes comfortably and safely ad just the height of the handles approximately to the level of the ope rator s shoulders I After adjusting the handles always make sure that they are securely fast
4. 3 Speed control The speed control enables you to adjust the speed continuously When you use the max for the first time please choose the lowest speed 13 AAT Ideen bewegen mehr 6 1 4 Control light to indicate malfunction After turning on the C max the green control light LED lights up and remains lit which indicates that the stair climbing system is in order and ready to use Potential malfunction is indicated by a light diode After a period of 3 seconds each time a blinking signal is repeated In case of malfunction turn the device first off and then on again If there is still an indication of malfunction charge the batteries in case of low battery charge For all other cases of malfunction plea se Call your local dealer Number of flashes Indicated malfunction overload of the device battery pack undervoltage overvoltage UP DOWN switch or its supply line is damaged defective electromagnetic brake SW ND malfunction of electronics 6 2 Single step control The single step switch is located on the climbing frame see pictu res Please activate the single step mode to practise and in particular to climb winding stairs If you activate the ON OFF switch in that mode the device will climb only one step at a time The climbing system stops in the correct po sition even if you press the ON OFF switch continuously The climbing mechan
5. batteries of your C max can be discharged or recharged in any possible position Please avoid a total discharge The durability of sealed lead acid batteries depends primarily on the charge discharge cycle For ins tance you may discharge them partially more than 1000 times and use up the entire capacity more than 200 times if you avoid a total discharge entirely A total discharge does not only lead to a loss of the batteries capa city but also shortens their durability Thus do avoid a total disch arge by recharging the batteries whenever possible I Charging your batteries is taking good care of them Return dead batteries to AAT Alber Antriebstechnik GmbH or take them to particular recycling places where they can be recycled appropriately 27 AAT Ideen bewegen mehr 8 4 Charging the battery pack 1 Remove the battery pack from the power unit see chapter 7 2 2 Connect the charger s plug to the socket on the battery pack Remember The batteries of your C max can be dischar ged or recharged in any possible position 3 Depending of the type of charger used insert the other plug 9 into the wall outlet or plug it into the cigarette lighter s socket in your vehicle 8 5 Fuses Two electrical 30 A fuses are located on the side of your battery pack They are protected by a cover I You may not mend or by pass defect fuses Always replace them with identical ones of the
6. the C max cannot be pushed forward by the handles in said positi on but merely rolls backwards then the required brake effect for the safe operation of the C max is granted see picture 6 4 2 Test the required brake effect at the top edge of the stairs I Please make this test without a person sitting in the chair Tilt the device backwards to its regular climbing position see chap ter 6 8 and drive forward to the first step s edge If you cannot push the device over the edge of the step the required braking ef fect for a safe operation of the C max is granted tS Important If the required brake effect is not guaranteed you may under no circumstances use the C max any more Plea se contact your local AAT Alber dealer or the manufacturer immediately 15 Ideen bewegen mehr C MAX 6 5 Transportation of people with the C max Please note that the C max was developed to be operated by one person Always use both hands when using the device I Please practice driving with the c max on level ground slopes and climbing up and downstairs at first without a person sit ting in the chair Whenever you practice please make sure that nobody is standing in the potentially dangerous spot di rectly below the C max on a slope or stairs We suggest that you practice climbing up and downstairs with the single step mode activated see chapter 6 2 Also choose the lo west climbing speed for practicing see chapter 6 1
7. More extensive instructions you find in chapter 8 1 3 Warranty and liability For damage that was caused by inadequate use disregarding this manual we assume no liability whatsoever Please read chapter 9 for more detailed information concerning warranty and liability Ideen bewegen mehr C 2 Description of the product 2 1 Adequate use Please use the C max exclusively for the transportation of physically disabled persons Said persons should be able to sit properly without help otherwise you should secure them with a safety belt The latter is an accesso ry available at AAT Alber Antriebstechnik GmbH In addition the arms of the person to be transported should not protrude over the arm rests during the transportation process I In the interest of your safety you may not use the stair clim bing device C max on escalators or moving belts Transporting other kinds of loads is explicitly prohibited Driving on level ground Mastering stairs Driving on slopes AAT Ideen bewegen mehr C max 2 Features of the C max control unit back rest C part plus seat climbing frame main wheel g 10 11 safety brake 12 power unit 13 battery pack 14 tightening knobs for the back rest 15 single step switch 16 tightening knob for the handle 2 3 Technical data handles adjustable 2 1 2 3 4 arm rest swivels out 5 6 7 foot rest folds in 8 lever with c
8. Stair Climbing System C MAX User s Manual AAT Ideen bewegen mehr AAT Ideen bewegen mehr C MAX CE Declaration of conformity The company AAT Alber Antriebstechnik GmbH herewith declares that the products of the stair climbing system C max were develo ped and manufactured in concordance with the current regulations of the European Union EEC Guidelines 93 42 EWG This declaration becomes void if the above mentioned devices have been altered without the consent of AAT Alber Antriebstechnik GmbH CE Signature of the manufacturer Myla ll Markus Alber Managing shareholder AAT Alber Antriebstechnik GmbH The stair climbing system C max has been tested successfully according to the ISO FDIS 7176 23 by the Technical University Berlin TESTED AND MONITORED AAT Antriebstechnik GmbH P O Box 10 05 60 D 72426 Albstadt Tel 49 7431 12950 Fax 49 7431 1295935 info aat online de www aat online de c max_gb 6 05 AAT Ideen bewegen mehr C MAX Table of contents CE Declaration of conformity Table of contents 1 General information a ennn we 1 1 Instruction 1 2 Care and maintenance 1 3 Warranty and liability 2 Description of the product 5 5 ene 2 1 Adequate use 2 2 Features of the c max 2 3 Technical data is D SSOMDIY 6 s s s r a soa soi re ee ET a Attach the back rest to the climbing frame Affix the back rest Attac
9. ead acid batteries bat teries 9 2 Liability AAT Alber Antriebstechnik GmbH manufacturer of the C max is not responsible for eventual damage done by the following e C max was used inappropriately e repair work assembly and the like was done by unauthorized personnel e C maxwas not operated in accordance with this user s manu al e extraneous parts were attached to or used with the C max parts of the C max were removed e the C max was loaded extending the maximum loading capaci ty 31 AAT Ideen bewegen mehr AAT Alber Antriebstechnik GmbH Postfach 10 05 60 D 72426 Albstadt Tel 49 7431 12950 Fax 49 74 31 1295 35 Email info aat online de www aat online de
10. een bewegen mehr C MAX 4 Safety instructions IS For the safe operation of the C max it is highly important that you pay close attention to all instructions regarding operation and safety stressed in this user s manual Instruction The C max may only be operated by trained per sonnel In addition the operator should be capable of lifting 1 3 of his or her own weight Minors are not allowed to use the C max exempt from the above are adolescents over 16 years of age who have been trained under supervision to operate the C max While using the C max you should always wear good shoes that do not Slip Safety brakes Please check the safety brakes each time befo re using the C max see also chapter 6 4 and 8 7 The safety brakes particularly the knurled surface of the brake drums in the wheel rims must be cleaned weekly with alcohol to ensure the optimum braking ef fect I Never use suds or greasy cleaners After cleaning the safety brakes must be checked as described in chapter 6 4 Lining of the climbing foot Please check regularly whether the lining of each climbing foot is still sufficient see chapter 8 8 Lifting capacity The stated maximum lifting capacity may not be exceeded Please also read chapter 5 1 You may under no circumstances use the C max to transport goods Care and maintenance Please make sure that you charge the battery pack after each use of the C max When the C max is at a standstill for a whi
11. emove the climbing foot 2 Apply locktite to the screws before screwing the new clim bing foot on the climbing leg 3 Tighten the cap screws securely 10 Nm 4 Exchange the other climbing foot the same way following steps 1 through 3 29 AAT Ideen bewegen mehr C MAX 8 9 Cleaning For the seat s cushion the back and the arm rests please use suds The other parts of the C max except the safety brakes see chap ter 8 7 can be cleaned with a moist cloth please use regular mild household cleaners IS For safety reasons please do not use a high pressure clea ning device 30 AAT Ideen bewegen mehr C MAX 9 Warranty and liability 9 1 Warranty AAT Alber Antriebstechnik GmbH grants a warranty of two years for all its products of type C max including all its accessory parts with the exception of the sealed lead acid batteries The warranty begins at the date of purchase and covers failure of material and errors in manufacturing For the sealed lead acid batteries always assuming correct main tenance AAT Alber Antriebstechnik GmbH grants a warranty of six months from the date of purchase The warranty of the C max does not cover damage or failure caused by inadequate and insufficient maintenance by the client inadmissible changes or improper use e improper use extending the maximum loading capacity of the C max inappropriate charging of the sealed l
12. ened 17 N AAT Ideen bewegen mehr 6 8 Tilting the stair climbing system To drive on slopes or to climb stairs you must tilt the C max which can be done easily by means of the climbers 1 Turn on the C max by pressing the ON OFF switch 2 Press the UP DOWN switch direction DOWN until the clim bers lift the main wheels at least 1 2 cm off the floor see pic ture 3 Put your foot on the power unit s housing and tilt the max slightly toward you until you feel that the C maxis balanced 4 The max is balanced if you feel neither pull nor push in the handles 5 In order to drive on level ground the climbers must be pulled in entirely If you tilt the C max further or too much the safety brakes engage and the max can t be moved forward any more 6 9 Operation on slopes To drive on a slope make sure the handles are adjusted appropriate ly see chapter 6 7 then tilt the C max slightly backwards see chapter 6 8 iS For safety reasons we recommend you to ask another person to assist when driving on a slope 6 9 1 Downhill Drive forward to the edge of the slope In order to slow down you need to tilt the C max a bit more 6 9 2 Uphill Please drive backwards up a slope In order to slow down you need to tilt the C max a bit more 18 Ideen bewegen mehr 6 10 Climbing upstairs IS Please always practice climbing stairs without a person and by activating the single st
13. ep mode plus the lowest climbing speed The climbing process can be accomplished quickly and without pro blems if you adhere closely to the following instructions A tip before you start I During the climbing process always pull the c max slightly to wards you so that the device automatically moves to the next higher step 1 Adjust the handles to the appropriate height see chapter 6 7 2 Turn the max on by pressing the ON OFF switch 3 Activate the single step mode if necessary see chapter 6 2 4 Pullin the climbers to their topmost position by pressing the UP DOWN switch see chapter 6 3 5 Tilt the C max slightly toward you see chapter 6 8 6 Drive backwards to the stairs and move up 2 to 3 steps Now the max is in its initial position for climbing upstairs I Make sure that both main wheels touch the lowest step 19 Ideen bewegen mehr 7 The climbing process takes place in two intervals The first interval starts by pressing the UP DOWN switch di rection UP The climbing process begins here with the power unit initiating the movement of the climbers downward 0 8 After the climbers reach the floor they assume the load of the main wheels while the main wheels and the frame are lif ted at the same time 20 Ideen bewegen mehr 9 The first interval is finished when the main wheels touch down on the next higher step and resume the load of the clim b
14. ers 10 The second interval begins by pulling in the climbers It is fi nished when the climbers reach their topmost position If you activated the single step mode the climbing process ends at this point To resume climbing you need to press the UP DOWN Switch once again direction UP Because the max is always pulled slightly backward it rolls auto matically to the next step and reaches the initial position again At this point the climbing process repeats itself as described in point 7 21 AAT Ideen bewegen mehr 6 11 Climbing downstairs I Please always practice climbing downstairs without a person and by activating the single step mode plus the lowest speed The descending process can be accomplished quickly and without problems if you adhere carefully to the following instructions 1 Adjust the handles to the appropriate height see chapter 6 7 2 Turn on the C max by pressing the ON OFF switch 3 If appropriate activate the single step mode see chapter 6 2 4 Pull in the climbers completely by means of the UP DOWN switch see chapter 6 3 5 Tilt the C max slightly see chapter 6 8 6 Drive the C max forward to the edge of the stairs 0 7 The sensitive rolls of the brakes keep the C max from rolling over the edge 22 Ideen bewegen mehr 8 Press the UP DOWN switch direction DOWN and the des cending process begins 9 The power unit moves the climbers
15. h the C part plus seat to the climbing fra me ar a a a a ee ae eee ee Affix the C part Helix cable de Attach the battery pack Detach the battery pack Arm rests Er Handles afety instructions 2 2 2 8 es ee ee es Instruction Safety brakes Lining of the climbing foot Lifting Capacity Care and maintenance a Condition of paths walkways etc Charge of the batteries NOORS ON OONOOSA n eration a a dn ar rd rr ek EE Maximum lifting capacity Control light Helix cable connector Battery pack Safety brakes Lining of the climbing foot VUV AKAARARAH WWWWWWU WWW 3 tructions for operation a aoa 6 eene Operational components Single step control Climbers Safety brakes Transportation of person with the c max Operation on level ground Adjust the handles Tilting the stair climbing system Operation on slopes Climbing upstairs Climbing downstairs Laying the C max on the stairs S S OONDOUBPONHBY DAMAU 0 O O O oa G O 0 0 Mn O co O O 0O OOOO NNOD OOo Wl AAT Ideen bewegen mehr Accessories Care and maintenance rranty and liability OS 0 0 mm 0 0 W Mae OONODUSWN C MAX Battery pack Exchange the battery pack Charging cable for your vehicle Charger nn ee Aa de Hew Battery pack Sealed lead acid batteries Charging the battery pack FUSES se ae Dems 6 Ce Tighten driving chain
16. hain drive climber and climbing foot height 1090 mm width without arm rests 440 mm measurements width with arm rests attached 485 mm depth with the foot rest folded in 730 mm depth with the foot rest folded out 915 mm weight climbing frame 17 2 kg C part plus seat 4 6 kg back rest 4 3 kg both arm rests 1 2 kg battery pack 4 4 kg total weight 31 7 kg maximum lifting Capacity 120 kg batteries 2x12V 5AN sealed lead acid direct current motor 24V climbing speed 8 23 steps minute continually adjustable capacity with one battery pack 15 30 floors depending on the load maximum height of step 21 cm noise level the device s A weighted noise level lies typically below 70 dB A vibrations the weighted RMS value of acceleration the upper body is exposed to lies typically below 2 5 m s Ideen bewegen mehr 3 Assembly With a few movements you can assemble the C max by means of se veral fixtures and tightening knobs Disassembly is just as easy 3 1 Attach the back rest to the climbing frame Put the back rest onto the guide pins on top of the climbing frame 3 2 Affix the back rest Fix the back rest tightly to the climbing frame with the two tighte ning knobs I Always make sure that the back rest is securely fastened to the climbing frame 3 3 Attach the C part plus seat to the climbing frame Put the C part
17. ism cannot unintentionally be activated You can take your time to move the main wheels to the next step s edge I To continue climbing you simply release the UP DOWN switch and then press it again The arrows with the dotted line symbolize the interruption of the climbing process i e the single step mode is activated To do that you press the rocker switch on I By contrast if you press the ro cker switch on O it signifies the uninterrupted climbing process i e the single step mode is OFF 14 AAT Ideen bewegen mehr 6 3 Climbers The climbers see picture must be pulled in to topmost position by means of the UP DOWN switch if you want to e drive on level ground and on slopes e check the safety brakes e begin climbing upstairs or downstairs Before a person sits down on the chair activate the UP DOWN Switch direction UP to move the climbers down until they touch the ground When the climbers touch the ground they serve as brakes preventing the device from rolling away also see chapter 6 5 1 6 4 Check safety brakes There are safety brakes located on the climbing frame on both sides I Please check the safety brakes each time before you use the C max You may check the brake effect either on top of the stairs or on level ground as described in 6 4 1 and 6 4 2 6 4 1 Test the required brake effect Tilt the C max backwards until the back rest is in an almost horizon tal position see picture If
18. le please turn the device off i e the ON Off switch needs to be on O If the working elements of the device block turn the max off immedi ately I Repairs may be done by authorized dealers or the manufacturer only Please exclusively use AAT Alber parts and accessories Please note the extensive care and maintenance instructions in chap ter 8 Condition of paths walkways etc Please make sure that the paths and walkways you use with the C max are free of obstacles and not slippery Avoid operation on damaged stair linings snow ice etc IS The c max may not be used in wet and rainy conditions Charge of the batteries You should only use the C max with fully charged batteries In case the batteries run low on the stairs a sequence of 3 flashes repeated every 2 5 seconds the available char ge of the batteries is sufficient to transport the person safely to the bottom of the stairs Driving downstairs the motor works as a gener ator thus recharging the batteries The potential steps downward therfore are not limited 11 Ideen bewegen mehr 5 Operation 5 1 Maximum lifting capacity Please make sure that the maximum lifting capacity is not exceeded 5 2 Control light After turning on the device the control light should light up and stay on Flashing of the control light indicates malfunction Further information on malfunction you find in chapter 6 1 4 5 3 Helix cable connector Check whethe
19. or the batteries to be recharged In such case one battery pack is in use while the other is being re charged at the same time Exchange battery pack Turn off the C max using the ON OFF switch Press the release button on top of the battery pack until it engages Now you lift out the battery pack at its grip from its fixture on top of the power unit s housing Push the other fully charged battery pack from the top into its fixture by means of the guiding pins on top of the power unit s housing This establishes the power connection and locks the battery pack The quick release battery pack should always be connected to the charger to extend its durability see chapter 8 2 Please exclusively use the AAT Alber charger to charge your battery pack 7 3 Charging cable for your vehicle A charging cable for your vehicle is recommended if you transport the C max frequently in your car The charging cable is available as an accessory The charging cable s plug fits into the socket of the car s cigarette lighter connect the other plug to the battery pack 25 Oe o AAT Ideen bewegen mehr C MAX 8 Care and maintenance To guarantee the safety of the C max the device must be inspected every two years even if there are no outer signs of damage or mal function I In the interest of your safety repairs of any kind may only be done by pe
20. plus seat onto the climbing frame the locating bolts of the C part fit into the corresponding holes in the frame 3 4 Affix the C part Fix the C part tightly to the climbing frame with the two tightening knobs I Always make sure that the C part plus seat is securely faste ned to the climbing frame AAT Ideen bewegen mehr max 3 5 Helix cable Put the connector of the helix cable into its socket located on the power unit s housing Lock the connector by pushing up the latching I Be catious that neither connector nor socket become wet by e g water or snow this may cause a short circuit between pins and result in severe malfunction of the system 3 6 Attach the battery pack Push the battery pack into its fixture by means of the guiding pins on top of the power unit s housing This establishes the power connec tion and locks the battery pack 3 7 Detach the battery pack Unlock the battery pack by pressing the release button on top of the battery pack until it engages Then lift out the battery pack Ideen bewegen mehr C MAX 3 8 Arm rests Insert arm rests on both sides IS Please always make sure that the stop bolts snap in their ap propriate notches 3 9 Handles Adjust handles to the appropriate height on both sides see chap ter 6 7 then fasten them with the tightening knobs I After adjusting the handles always make sure that they are securely fastened 10 AAT Id
21. r the connector of the helix cable is plugged into the housing of the power unit and locked each time before you use the C max 5 4 Battery pack Please make sure that the sealed lead acid batteries are fully charged before you use the C max for the first time Extensive instructions you find in chapter 8 2 5 5 Safety brakes Before operating the C max check the safety brakes every single time Extensive instructions you find in chapter 6 4 5 6 Lining of the climbing foot s lining Please check regularly whether the lining on each climbing foot is still sufficient Further instructions you find in chapter 8 8 12 AAT Ideen bewegen mehr 6 Instructions for operation Before we get to the actual instructions for operation we would like to introduce the C max s most important components to you 6 1 Operational components The control unit is situated on the right handle and consists of an ON OFF switch an UP DOWN switch 9 and a speed control 6 1 1 ON OFF switch During a longer standstill please turn the C max off by pushing the rocker switch on OQ The C max is equipped with an electronic turn off mechanism i e if the device is on and not in use for about 5 minutes it turns itself off automatically In such case you need to turn the device first OFF and then ON again 6 1 2 UP DOWN switch With the UP DOWN switch 9 you activate the climbing mechanism up or downstairs 6 1
22. rsonnel authorized by AAT Alber Antriebstechnik GmbH 8 1 Charger Please exclusively use the AAT Alber charger to charge your battery packs 8 1 1 Automatic charger The c max comes with the automatic charger The charging cable s plug fits into the wall outlet socket connect the other plug to the battery pack This automatic charger recharges your batteries 100 As soon as the charging process is completed it switches to a retaining mode thus overcharging is impossible 8 1 2 Charging cable A charging cable for your vehicle is available as an accessory Approximately a recharge of 80 is possible by accessing your vehicle s battery using a charging cable Connector fits to the cigarette lighter plug in connector at the battery pack 26 AAT Ideen bewegen mehr 8 2 Battery pack The quick release battery pack consisting of sealed lead acid batte ries should be recharged after each use Technical details for the sealed lead acid batteries you find in chapter 8 3 Tip Is lf the maxis at a standstill for some time please connect it to the charger to retain the charge This does not damage the sealed lead acid batteries on the contrary it increases their durability 8 3 Sealed lead acid batteries There are 2 sealed lead acid batteries 12 V 5Ah in the battery pack of the C max These batteries are sealed maintenance free rechar geable and of top quality The
23. same amperage To exchange the fuses pull out the cover and the fuses insert the new ones and replace the cover 28 AAT Ideen bewegen mehr 8 6 Tighten driving chain Occasionally the chains of the climbing system situated in the chain s housing have to be tightened 1 Unscrew the screws 4 mm in the cover of the chain s hou sing 2 Turn the adjustment bolt clockwise using a hexagon socket screw driver 5 mm until the chain is tight 3 Retighten the cap screws on the cover 8 7 Check brake lining Please check the thickness of the safety brakes lining regularly The minimum thickness is 1 mm In case the lining is thinner than 1 mm the lining must be exchanged on both sides Please contact AAT Alber Antriebstechnik GmbH or your local dealer IS Please check the safety brakes before each use of the C max see also chapter 4 2 and 6 4 The safety brakes particularly the knurled surface of the brake drums in the wheel rims must be cleaned weekly with alcohol to en sure the optimum braking effect I Never use suds or greasy cleaners After cleaning the safety brakes must be checked as described in chapter 6 4 8 8 Check the climbing foot s lining Please also check each climbing foot s lining on a regular basis I If the lining is worn down to the indicated line or broken again exchange both climbing feet Unscrew the screws 9 5 mm and r
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