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Braun RA500 Mobility Aid User Manual

1. WIRING SCHEMATIC POWER AND DATA CONNECTIONS PROVIDED BY INSTALLER SYMBOL KEY OUT LIMIT DESCRIPTION SYMBOL 14 to 18 GA TO MOVE OUT INDICATOR N O MICROSWITCH 14 to 18 GA 14 to 18 NO 18 GA BATTERY 14 to 18 GA 5 2 14 to 18 GA TO ALARM INDICATOR _18GA WH 7 NE CHASSIS GROUND 1 1410 18 GA 9 _ 14 to 18 GA 14 to 18 GA CIRCUIT PROTECTION DEVICE LA TORAMP DEPLOY SWITCH 14 to 18 JUNCTION 1410 18 IN LIMIT 14 to 18 MICROSWITCH MiCROSWITGH n TITA TO ONE TOUCH SWITCH NO 1804 i8ca wH c ane MOTOR t NC __ FUSED POWER INDICATOR COM gt alal al alal alal alal alal alal a Z NOTES FHERR EEEE HE e b 212 2 el el el 5 1 el el L TO MANUAL RELEASE INDICATOR N O WEIGHT SENSING 1 DRAWING SHOWN WITH RAMP S S S S 2 5 2 5 PLATFORM o IN STOWED POSITION PRESSURE SWITCH 2 TO RAMP ENABLE 2 CROSSING INTERSECTIONS ARE NOT CONNECTIONS JUNCTION 18GA WH 18 GA lt UNLESS MARKED AS JUNCTION TO SWITCH COM 3 RECOMMENDED WIRE GAUGE Ts a TO FULL IN INDICATOR N O MANUAL RELEASE MICROSWITCH TO RAMP STOW SWITCH NO 18
2. ovis 307105 SNOLLO3NNOO HOLOW L1 L1 HOLON 21919319 von xvi VOTI LH vosz AVEO D z 9 s VO 02 MOTI3A Y D VOU NMOUE z VO OZ 40109 Nid NOVI n s v e z vos n 40109 Nid 3009 3YIM QNO2 8 3009 GNOO 8 001 z UM V9 Ob AVZ ANALYS 30705 Nid NOWONNA Nid NNOD HOLIMSOHOIW 3002 2 H3TIVISNIAS SNIHIM ON ER RES HOLIMSOHOIW asvalau 1VnNVW 12262 279 LOVLNOD 21862 278 yor aun D td HOLO3NNOO IT x SS3NHVH H3MOd von ova 30705 3009 3HIM 2 MED s Y ey a 822 08 d HOLOSNNOO D voor s Yo VOCE NERIO 39nv9 38I vo z MEME mvo a v zvosrem ino mma amp 0109 ld WD NI IAOW a 3002 QNO2 9 TWO REO NE NEVE Uu MOIS H3TIVISNI AG 95v 0900 ezi ono z 5 000 02 156 2 9 NOMON Nid Zd HOLOANNOO 3002 ANOD YATIVISNIAS
3. 2 9 aii3HS 0192 Fog Sd HOLO3NNOO SS3NHVH vsziovy 0 9 SS3NHVH 90298 2 9 17 HOLO3NNOO 428 SS3NHVH 96vsz 428 Ld HOLO3NNOO Woo m ON G3sn LON 40109 Nid NNOO H9 LIMSOHOIIN i05 06 OL o g 1 0 VO 01 OL uiu 80 9 0 v9 02 sn NOISH3ANOO 321 3HIM yA OLONGNODS VO 80102 NNOO WHOSLV Id L1 L1 TYNOILdO SNISN3S 1H9I3M HOLIMSOXSIN WOO 81 00 10N ON 40109 Nid NNOO H LIMSOYIIN wo H21IMSOHOIIN LINFT LOO Page 43 DAILY PREVENTIVE MAINTENANCE SCHEDULE Vehicle Number Date Inspector Pre Trip Inspection Before each scheduled day of lift service operate ramp minimum one complete cycle and inspect each of the following Do the vehicle interlock s function as intended Does the ramp deploy when the ramp interlock is activ
4. IN Limit Microswitch Ramp in Fully Stowed Position As viewed from under the carrier plate MR Signal Microswitch Ramp in Fully Stowed Position Page 37 TROUBLESHOOTING Troubleshooting Diagnosis Chart AWARNING Troubleshooting repair procedures must be performed as specified by an authorized service technician only Failure to do so may result in serious bodily injury and or property damage FUNCTION SYMPTOM 1 10 No Power To Controller 1 00 NO OPERATION If a problem occurs with your ramp discontinue operation immediately Contact your sales representative or call The Braun Corporation at 1 800 THE LIFT One of our national Product Sup port representatives will direct you to an authorized service techni cian who will inspect your ramp The cause of the problem can be determined by locating the lift function and related symptom in the Troubleshooting Diagnosis POSSIBLE CAUSE Battery terminals dirty Bad chassis ground Battery defective Battery discharged 25 ampere in line fuse faulty Power cable Vehicle Interlock s circuit incomplete Vehicle to controller power harness Chart The specific cause and remedy can then be determined by process of elimination A Wiring Diagram and Electrical Schematic are provided to aid in troubleshooting A Repair Parts section with an exploded view and corresponding parts list is also provided Corr
5. 18 LT GN GN f NC gt TO PARK BRAKE to OPERATE LOW P1 J1 P2 J2 a 18 GA WH 18 GA WH 1 1 20 GA WH 1 lt 1 18 5 2 2 2 20 2 Q 2 a TO MOVE IN INDICATOR N O 18 5 CON 3 3 3 20 GA GN 3 3 o Hon noon a sun lt 5 5 5 5 tc 6 6 20 GA PK 6 o 6 CONTROLLER TO FULL OUT INDICATOR N O 18 GA RD 18 GA RD 7 7 o l 18 GA BK 8 8 5 J3 MGABK i c 1 PARK BRAKE to OPERATE HIGH 2 I 2 z 14 GA WH 3 3 9 HARNESS RA0128A 4 J4 1 1 10 GA 5 5 J CONTROLLER ASSEMBLY 5 5 PROTECTION DEVICE BATTERY 25 AMP 24V 10 10 d 10 10 GA 10 GA 10 MOTOR RD MOTOR BK GROUND RA500 RAMP ASSEMBLY POWER AND DATA CONNECTIONS PROVIDED BY INSTALLER Page 41B Page 42B TROUBLESHOOTING iagram D iring Wi suonoeuuoo Je jejsui uo uomneuuojul JOY si ez eed ees VOsI NS3UD NSSUO woo VOSL MOTIA NSSUD IT ON
6. to activate interlock s to properly activate the ramp power functions as well as assist ramp passengers Do not operate the ramp if you suspect ramp damage wear or any abnormal condition Dis continue use immediately and contact The Braun Corporation at 1 800 THE LIFT One of our national Product Support repre sentatives will direct you to an authorized service technician who will inspect the ramp RAMP OPERATION Operation Procedure Review The Braun Corporation recom mends that transit agency su pervisors and driver attendants review the safety precautions and operation procedures appearing in this manual with the ramp sales representative or vehicle con verter before attempting ramp operation Any questions or concerns can be answered at that time Operate the ramp through all functions to ensure the proper use and opera tion is understood Transit agency supervisors should train and educate all driver attendants on the proper use and operation of the vehicle door system interlock s ramp and ramp passenger safety The ramp owner s service manu al must be stored in the ramp equipped vehicle at all times AWARNING familiar with all ramp operation safety precautions pre details operating instructions and manual operating instructions prior to operating the ramp If this information is not fully under
7. Service Safety Precautions 16 17 Installation Requirements Installation 18 Chassis 18 Doot Openlng corri eere Rar ERA 18 Obstr ctions e las 18 Installation Illustrations 19 27 Electrical Connections 28 29 Battery Ground Connections 28 Repair Parts List isse 40 Exploded View Fold Out 41A 42A Daily Preventive Maintenance Schedule 44 Page 1 RAMP TERMINOLOGY ME Ramp Terminology Illustration Refer to the Figure A below and Figure B on page 3 for identification of components and clarification of direction terminology Details regarding terminology direction and components are provided on pages 4 and 5 Sub floor Threshold Plate Pan Weldment Mounting Tab Qyt 10 Hand Hold IN RIGHT LEFT OUT As viewed from outside the vehicle 2 Mae RAMP TERMINOLOGY Ramp Components Terminology Illustration Electric Motor Chain Drive Carrier Plate Pan Weldment Mounting Tab Qyt 10 Hand Hold IN RIGHT Note The sub floor and transition threshold plate LEFT OUT are
8. important safety important informa information regarding tion regarding how to a potentially hazard avoid a hazard ous situation that ous situation that could result in serious could result in minor bodily injury and or personal injury or property damage property damage D Note Additional information provided to help clarify or detail a specific subject These symbols will appear throughout this manual Recognize the seriousness of this information Ramp Operation Safety Precautions AWARNING AWARNING Read manual and supplement s before operating ramp Read and become familiar with all safety precautions pre If the ramp operating operation notes and details operating instructions and instructions manual manual operating instructions before operating the ramp operating instructions Note All transit agency personnel drivers and ramp at and or ramp operation tendants must read and become familiar with the con safety precautions are tents of this manual and supplement s before operation not fully understood Contact ihe Braun AWARNING Load and unload on level surface only Corporation immedi aly Failure to do so AWARNING Engage vehicle parking brake before operating ramp may result in serious bodily injury and or AWARNING Provide adequate clearance outside the vehicle to accom property damage modate the ramp before opening ramp door s or operat ing ramp AWARNING Inspec
9. AWARNING Position and fasten the wheelchair equipped occupant seat belt before loading the wheelchair ramp Failure to do so may result in serious bodily injury and or property damage Page 14 stability balance weight distri bution and use of attendants as specified in the owner s manual supplied with the passenger s wheelchair or other mobility aid Wheelchair passengers must determine establish and practice ramp boarding and exiting proce dures under the direction of the their personal health care profes sional and wheelchair representa tive Those procedures should be conveyed to the ramp attendant Know your passengers abilities and needs for optimum safety Attendants must never operate the vehicle the ramp or assist passengers if intoxicated In toxicated passengers should not be allowed to board or exit the vehicle Passengers should be positioned in the center of the ramp at all times Attendants and ramp pas sengers must be able to clearly view the ramp whenever boarding and exiting the vehicle Observe your passengers at all times when they are entering and exiting the vehicle Wheelchair Equipped Occupant Seat Belts Wheelchair passen gers should position and buckle their wheelchair equipped seat belt torso restraint as specified by the manufacturer before load ing onto a wheelchair ramp Different types of disabilities require different types of wheel cha
10. HH m mom Port 71 ES E EE C20 2 acm a iP mn cn K2 T Sun E qo JB ay E E uu db os En rm mrn 5 4 3 2 1 TTTTTTT E 51 on 4 ES E i CNET iE mug E Stow Limit ES oma Em b mm T ast ee E an Potentiometer J6 Em AZO 98 imi 87 20 7987 26 42987 20 H 5 Deploy Limit 9 mn 22 Potentiometer m dha ai xi d 4202550758 9 sonnn 7 8 9 10 1 J 12 13 14 H GW 131 b 00000 id us HB Goo 100218 108 BH x REVISION Go Page 35 SYSTEMS DESCRIPTIONS Electrical AWARNING Improper microswitch adjustment may result in serious bodily injury and or 7 Microswitches Three micro switches limit switches are in corporated in the RA500 electrical system IN Limit OUT Limit and Manual Release signal Details and illustrations of the micro switches are provided Adjust microswitch es as detailed Note Under normal circum stances the RA500 microswitches should not need adjustment If adjustment or replacement is required follow the procedures provide on the next page Microswitch Sequence Stowed Position When the ramp is in the stowed posi tion the IN Limit microswitch i
11. button followed by pressing the Cali brate Reset button see Figure S Page 34 Limit Adjustment Chart Operation Stow MAX Cycle 1 C1 Deploy MIN Cycle 2 C2 Cycle 3 C3 Cycle 4 C4 Total C1 C2 C3 C4 Average Total 4 Deploy Limit Avg 10 Stow Limit Avg 10 Operation Stow MAX Cycle 1 C1 Deploy MIN Cycle 2 C2 Cycle 3 C3 Cycle 4 C4 Total C1 C2 C3 C4 Average Total 4 Deploy Limit Avg 10 Stow Limit Avg 10 Operation Stow MAX Cycle 1 C1 Deploy MIN Cycle 2 C2 Cycle 3 C3 Cycle 4 C4 Total C1 C2 C3 C4 Average Total 4 Deploy Limit Avg 10 Stow Limit Avg 10 SYSTEMS DESCRIPTIONS Manual Calibration Instructions for Controller Press the Calibrate button Once pressed the calibrate LED should turn on Adjust the Deploy Limit potentiometer to the obstruc tion sensing level desired see Figure S Rotating the potentiometer counterclockwise increases the force that the ramp will exert when it is deploying Caution Ensure that the force exerted is not exces sive It is recommended to adjust the potentiometer in small amounts and check operation after each adjustment Adjust the Stow Limit potentiometer to the obstruc tion sensing level desired Rotating the potentiom eter cou
12. injury and or property damage To Manually Extend or Retract Ramp 1 Turn loosen the manual release T handle 90 2 Pullthe T handle fully out ward 3 to 4 3 Turn tighten the T handle 90 to secure handle in the dis engaged unlocked position 4 Verify mechanism is disen gaged unlocked 5 Carefully move the platform in or out to desired location using the platform Hand Hold see Figure E Step 1 Page 12 AWARNING Push T handle in fully and manually move platform in and out to engage platform lock before driving vehicle Failure to lock platform may result unintended platform deployment Unintended platform deployment may result in serious bodily injury and or property damage Note Minimal physical effort is required to manually operate the ramp Slow steady motion results in the least resistance and easy operation The faster you attempt to manually operate the ramp the greater the resistance Step 3 RAM OPERATION Ramp Manual Operation continued To Reengage Carriage Assembly to Drive Chain 1 Position the ramp platform 4 manually so that only 15 cm is extended out of the cas sette 2 Turn loosen the manual release T handle 90 3 Push the T handle fully 5 inward until handle contacts shaft shoulder 3 to 4 Grasp the platform Hand Hold 6 and move the platform slightly outward until platform locks into posit
13. on the ramp platform to manually deploy or stow the ramp Minimal physi cal effort is required to stow and deploy the ramp platform Slow steady motion results in the least resistance and easy operation See pages 12 and 13 for detailed manual release procedure Obstruction Sensing An ob struction sensing feature is stan dard with the RA500 ramp The controller monitors the instanta neous movement of the electric motor and calculates a real time running average of the current It then compares the programmed peak maximum vs instanta neous and delta instantaneous minus running average limits to determine if an obstruction has been encountered Weight Sensing Pad optional The platform can be equipped with a weight sensing pad This optional feature will cause the ramp not to operate in the event that 15 kilograms or more is on the ramp platform Page 5 RAMP OPERATION Safety Symbols SAFETY FIRST Know That in this manual and supplements if included is pro vided for your safety Familiarity with proper operation instructions as well as proper maintenance procedures are necessary to en sure safe trouble free operation Safety precautions are provided to identify potentially hazardous situations and provide instruction on how to avoid them A All information contained B AWARNING ACAUTION This symbol indicates This symbol indicates
14. performing installation operation or service procedures Failure to do so may result in serious bodily injury and or Chassis Requirements The Braun RA500 Ramp is designed for use in low floor transit vehicles A floor pocket mounting hole built into the chassis floor system allows for simple installation accepts drop in unit The Floor Pocket Clear Opening Dimensions on the following pages An optional RA500 model without the fixed sub floor is available When installing this model the vehicle floor is installed above the ramp assembly This model is designed to be installed above the frame but below the vehicle floor This model does not have the fixed sub floor on top of the assembly The ramp installer must provide an appropriate framework in the applicable location in the vehicle aligned center with passenger door opening Ramp assembly mounting hardware and or brack etry are directly dependant upon the vehicle chassis and floor pocket configuration not sup plied Page 18 Outboard Support Tube An outboard support tube must be positioned under the outboard edge of the opening minimum 40mm x 50mm steel tube See Figure F The recommended maximum height of the support tube is 210mm above ground level Kneeling Vehicles 210mm is the maximum dimension mea sured with suspension lowered EU Installations with the sup por
15. potentiometers Computer Calibration procedures are provided for Microsoft Windows XP Other Operating Systems may vary Consult the operating system search menu or users guide for alternate routes and proce dures to access port settings Computer Calibration Instructions for Controller Connect the Computer to the Coniroller 1 Remove the controller cover Press the Cali brate button and then the Calibrate Reset button to restore factory defaults see Figure S 2 Locate J9 9 pin Port and connect a serial cable from J9 to an available COM slot on the computer Establish a connection between the computer and the controller Note This is done from the computer after the physical connection has been made 1 Inthe start menu go to Programs and select Accessories 2 Under Accessories choose Communica tions and then Hyperterminal Once select ed a Connection Description window will pop up 3 Under name Enter RA500 and hit OK A Connect To window will then pop up 4 Under the Connect Using line select the com port that the serial cable is connected to typi cally COM1 and hit OK 5 Awindow similar to the one in Figure will pop up Ensure the settings match the settings listed in Figure R Press OK COM1 Properties Port Settings Bits per second Data bits Parity Stop bits No
16. provided for manual operation of the ramp in event of power or equipment failure See Manual Override for further details Read and become familiar with all operation safety precautions pre operation notes and details operating instructions and manual operating instructions before at tempting operation Terminology Become familiar with the terminology that will be used throughout this manual Become familiar with the iden tification of RA500 components and their functions Contact your sales representative or call The Braun Corporation at 1 800 THE LIFT if any of this information is not fully understood Direction The terms left right in and out will be used throughout this manual to indicate direction as viewed from the out side of the vehicle looking directly at the ramp Refer to the Termi nology Illustrations for clarification of direction terms RAMP TERMINOLOGY Ramp Components Refer to the Terminology Illustra tions on pages 2 and 3 Control Box Electronic Con troller The remote mounted control box provides the logic to manage the inputs in order to produce the desired outputs in terms of ramp function and per formance In general terms the control box is commonly referred to as the controller Pan Weldment Housing The pan is the aluminum casing mounted in the vehicle floor sys tem which contains the electrical components that power the ramp electr
17. to do so may result in serious bodily injury and or property damage ACAUTION Allow ramp to deploy fully before boarding Failure to do so may result in damage Page 11 RAMP OPERATION Ramp Manual Operation If you experience power or equip ment failure the ramp can be manually stowed and deployed The RA500 must be manually operated by an attendant The RA500 is equipped with a cable activated manual release system and a oval shaped hand hold slot in the platform for manual operation see Figure C and E The safety precautions addressed in the Ramp Power Operation section apply to manual opera tion of the ramp also Read and become familiar with all ramp safety precautions Cable Activated Manual Re lease System A cable activated manual release system disengag es unlocks the ramp platform assembly drive chain to allow the platform to be manually extended or retracted as required A T handle is provided on the release cable for activation of the manual release system details follow After manually extending or retracting the platform assembly itis extremely important that the cable activated manual release is positively re engaged to secure lock the platform assembly before loading a passenger or continuing vehicle use details provided Failure to re engage and secure the platform may result in unintended ramp movement which may result in serious bodily
18. A 800 THE LIFT 574 946 6153 FAX 574 946 4670 Braun Commercial RA500 Transit Ramp Braun Worry Free Limited Warranty with this manual Warrantied replacement parts are covered until the expiration of for any repair or replacement covered under the warranty during the first year of the period if an approved Braun dealer completes the warranty work one year from the manufacture date of the ramp The Braun warranty does not cover any defects in the motor vehicle on w solely by Braun the ramp is damaged through accident misuse or abuse or altered SPECIAL ARISING OUT OF OR IN CONNECTION WITH ITS PRODUCT The Braun Corporation Braun warrants its ramp against defects in material and workmanship for three years provided the ramp is installed operated and maintained in conformity the Braun warranty or 90 days whichever is longer The Braun warranty covers the cost of labor The warranty registration card accompanying this ramp is to be completed and returned to The Braun Corporation within 20 days of purchase If Braun receives the warranty card the warranty period begins on the day the ramp is put into service If Braun does not receive the warranty card the parts warranty will expire in three years and the labor warranty will expire in is installed or defects in the ramp caused by any defect in the motor vehicle The warranty does not cover work deemed by Braun to be normal maint
19. ET Light Penetrating Oil LPS2 General Purpose 11 oz LO Light Oil 30 weight or equivalent Penetrating Oil Aerosol Can 15807 Stainless Stick Door Ease 1 68 oz DE Door Ease Style tube Stick tube 15806 E Light Grease Lubricate 14 oz LG Light Grease Multipurpose Can 15805 Page 30 Ds MAINTENANCE and LUBRICATION Maintenance and Lubrication Introduction Proper maintenance is necessary to ensure safe trouble free operation Inspecting the ramp for any wear damage or other abnormal conditions should be a part of all transit agencies daily service program preventive maintenance Simple inspec tions can detect potential problems A generic Daily Preventive Maintenance Sched ule is provided in this manual for transit agency use The form can be tailored to your particular application Preventive maintenance visual inspec tions do not take the place of the procedures speci fied in this schedule The maintenance and lubrication procedures speci fied in this schedule must be performed by a Braun authorized service representative at the scheduled intervals according to the number of cycles or elapsed time whichever comes first RA500 ramps are equipped with hardened pins and self lubricating bearings to decrease wear provide smooth operation and extend the service life of the ramp Clean the components and the surrounding area before applying lubricants LPS2 General Pur pose Penetrating Oil is re
20. G Risk of electrical shock or fire Use extra care when making electrical connections Connect and secure as outlined in Installation Instructions and Wiring Diagrams AWARNING Maintenance and repairs must be performed only by authorized service personnel AWARNING Perform maintenance and lubrication procedures exactly as outlined in the Maintenance and Lubrication Schedule contained in this manual Disconnect the power cable at the battery prior to servicing AWARNING Keep hands arms and all other body parts clear of moving parts Page 16 m RAMP INSTALLATION Installation Service Safety Precautions AWARNING AWARNING AWARNING AWARNING Never modify alter a Braun Corporation ramp Replacement parts must be Braun authorized replacements Never install screws or fasteners other than factory equipped Failure to follow these safety precautions may result in serious bodily injury and or prop erty damage Page 17 RAMP INSTALLATION Installation Requirements Braun RA500 Ramp must be installed and serviced by a Braun authorized service representa tive who has attended and been certified by The Braun Corpora tion Sales and Service School for Braun Mobility Products Read and become familiar with the operating instructions and the installation instructions contained in this manual before beginning installation operation or service procedures AWARNING 11 before
21. Operator s Installation Service Manual Braun Commercial RASOO Transit Ramp for Low Floor Transit Vehicles J EES THE BRAUN DY aE CORPORATION TEE Providing Access to the World before operating International Corporate Hdqrs PO Box 310 Winamac IN 46996 USA installing 1 800 THE LIFT 574 946 6153 FAX 574 946 4670 E Se servicing ramp Failure to do so may result in serious bodily injury and or property damage Bo o E 23 uneig 32848 Rev August 2006 Congratulations We at The Braun Corporation wish to express our fullest appreciation on your new purchase With you in mind our skilled craftsmen have designed and assembled the finest ramp available This manual includes operating instructions installation instructions servicing instructions and instructions for troubleshooting if needed Braun ramps are built for dependability and will provide years of service and mobility independence as long as the ramp is installed and maintained as specified and the ramp is operated by an instructed person Sincerely THE BRAUN CORPORATION IM M rn Ralph W Braun Chief Executive Officer C CONTENTS Ramp Terminology Maintenance and Lubrication Ramp Terminology Illustration 2 Lubrication Diagram eee 30 Ramp Components Terminology Illustration 3 Maintena
22. ated as intended Does the control switch es function properly Does the ramp cargo door light if equipped function as intended __ Do the lift cargo door securement devices function as intended if equipped _ Does the ramp safely clear the cargo door as the ramp is deployed and stowed Does the ramp operate smoothly no jerking or abnormal movement Does the ramp operate at normal speed _ Is the power source adequate Is ramp operation quiet no rattles abnormal sounds etc Is the ramp antiskid in place worn or damaged _ Can you visually detect any ramp wear damage misalignment loose bolts broken welds or any abnormal conditions Post Trip Inspection Operate ramp minimum one complete cycle and check each of the above daily pre trip inspec tions if applicable for your daily inspection routine outlined by your transit agency Clean ramp surfaces where wheelchairs travel Clean and lubricate key locations based on ramp usage frequency and climate conditions outlined by your transit agency Lubrication procedures should be performed by a Braun authorized service representative as detailed in this manual Page 44 Providing Access to the World Over 300 Braun Dealers Worldwide F THE BRAUN Iz CORPORATION Providing Access to the World in om x a Se International ie Hdqrs Box 310 Winamac IN 46996 US
23. chair wheels pull wheelie when on the ramp Wheelchair passengers who intend to enter and exit the vehicle without the assistance of an attendant must determine the safest and most practical method and orientation of entering and exiting based on the physical characteristics of their personal wheelchair and his or her physical capabilities to maintain stability while the wheelchair is in motion on the ramp Wheelchair Attendants When assisting a wheelchair occupant remember to use good body me chanics When the wheelchair is on the ramp the attendant must grasp the push handles or other securely Detachable wheelchair parts such as arms or leg rests must never be used for hand holds or lifting supports Doing so could result in the parts being inadvertently detached from the wheelchair resulting in possible injury to the wheelchair occu pant and or the attendant Page 15 RAMP INSTALLATION Safety Symbols SAFETY FIRST Know That vided for your safety Familiarity This symbol indicates This symbol indicates with proper operation instructions important safety important informa as well as proper maintenance information regarding tion regarding how to procedures are necessary to en a potentially hazard avoid a hazard sure safe trouble free operation ous situation that ous situation that Safety precautions are provided could result in serious could result in minor to identify pot
24. ck Cover Right RA500 RA0032Y Bottom Panel RA500 RA0124 Access Panel RA500 RA0034 haa a ai Screw M5 x 10 Flat Socket Head Cap SS 27448 5 Screw M5 x 23 Flat Socket Head Cap SS 27453 Motor GR63 x 55 w PLG52 28 1RDU 24V RAOO80A Miter Gear Set 1 5M 16 32 Tooth Bev Gear RA0081M Motor Support 500 RAO083 Pivot Pin RA500 RAO0084 Stainless Rod 3 8 Dia 4303 x 12 5 or 13 80379R012 5 Release Cam RA500 RAO0090 Steel Bar 3 16 Sq x 7 8 21118R000 875 lak laa NS a Bearing Flange 8MM x 7 7MM 32400 Screw M4 x 6 FHSCS SS 32399 Clip 5 16 Shaft 1 4 Groove 84086 Screw M4 x 10 BHSCS SS 30153 Screw M5 x 10 Button Head Socket Cap SS 28786 Motor Mount RA500 RAO0089 Washer 328 x 562 x 042 83583 Spring 0 72 OD 096 WD 1 5L Compr SS RA0014 wlr alalo Screw M5 x 5MM Set 18321 Rivet M4 x 10 Countersunk Blind 27441 Screw M6 16 Flat Head Socket SS 27758 Screw M4 x 10 Flat Head Socket Cap SS 27440 Screw M3 x 10 Flat Head Socket Cap SS 27438 Plate Tapped 4 40 Microswitch 24998 Screw Mach 4 40 x 5 8 Rd Hd Auto BK 14810 Nut Weld M5 Plain Slab Ba
25. commended where Light Oil is called out Use of improper lubricants can attract dirt or other contaminants which could result in wear or damage to the components Ramp com ponents exposed to contaminants when lowered to the ground may require extra attention Specified lubricants are available from The Braun Corporation part numbers provided on page 30 Recommended Intervals These intervals are a general guideline for scheduling maintenance pro cedures and will vary according to ramp use and conditions Transit agencies operating vehicles equipped with ramps that are not monitored by cycles may choose to have the ramp system main tained on the same schedule as the vehicle routine maintenance Doing so ensures the AWARNING Maintenance and brication procedures must be performed as specified by an authorized service technician Failure to do so may result in serious bodily injury and or tained regularly When servicing the ramp at the consecutive recom mended intervals inspection and lubrication proce dures specified in the previous sections should be performed repeated All listed inspection lubrication and maintenance procedures should be repeated at 8 Weeks or 200 Cycles intervals following the scheduled 1 Year or 1250 Cycles maintenance Lifts exposed to severe conditions weather environ ment conta
26. dressed due to the bound less variations in application and installation of the ramp Manual Operating Instructions are ad dressed in the event of power or equipment failure Before Operating Ramp Al ways park the vehicle on a level area away from vehicle traffic Place the vehicle transmission in Park and engage the park or emergency brake Customer Interlock The ramp controller requires either a ground or signal be supplied one of these signals is required but not both This signal interlocks the ramp functions If this inter lock signal is not present the controller will not provide any outputs necessary to operate the ramp If the interlock signal is lost during ramp operation the platform assembly will stop and the controller will not function any further until the interlock signal is present once again Page 10 Operator Input Switches The 500 Ramp electronic controller provides fully automatic operation of all ramp functions Ramp func tions can be performed from any position the platform assembly happens to be in at the time the operator input switch is activated The ramp is protected by a stan dard obstruction sensing feature One Touch Operation In one touch mode the ramp will deploy if fully stowed If the ramp is in any other position the ramp will stow The ramp function will con tinue until the switch is pressed again indicating stop immedi ately the unit reaches the end o
27. e performed as specified in this manual by authorized certified service personnel Never modify alter a Braun Corporation ramp Do not use accessory devices not authorized by The Braun Corporation Do not remove any guards or covers If the information contained in this manual is not fully understood contact The Braun Corporation immediately Failure to follow these safety precautions may result in serious bodily injury and or prop erty damage Page 7 RAMP OPERATION Operation Notes and Details The RA500 ramp provides vehicle access to people with disabilities wheelchair passengers or stand ees using other type mobility aids The commercial oriented RA500 ramp is operated by the transit vehicle driver attendant Unless your transit agency has a published policy stating that driver attendants do not aid ramp passengers safe entering and exiting of ramp passengers is the responsibility of the driver attendant As stated in the Ramp Operation Safety section all information in this manual is provided for the safety of passengers attendants and bystanders Recognize the seriousness of this information Read and become familiar with all ramp operation safety precau tions pre operation notes and details operating instructions and manual operating instructions before attempting ramp opera tion procedures or assisting ramp passengers boarding and exiting the vehicle Ramp Access D
28. ect the problem if possible If the problem continues contact The Braun Corporation REMEDY Clean and tighten Clean and tighten See Chassis Ground Corrosion on page 28 Replace Charge battery Replace controller fuse or vehicle fuse Check for loose terminals or broken wire Correct or replace Disconnect harness from controller Using volt meter test for proper voltage Pin 1 12 24 V Pin 2 Ground 1 20 Power to Controller But No Function Page 38 Ramp to controller wiring harness Vehicle to controller data harness Faulty Controller Ramp enable circuit incomplete Parking brake interlock inactive Manual release disengaged Check harness for loose or broken connections Check harness for loose or broken connections See Controller Diagnostic Guide Correct or replace Correct or replace Check that manual release is re engaged TROUBLESHOOTING FUNCTION 2 00 DEPLOY OPERATION 3 00 STOW OPERATION SYMPTOM 2 10 Ramp Starts to Deploy then Stops POSSIBLE CAUSE 2 11 Pressure mat activated 2 12 Obstruction sensing activated REMEDY Remove object from mat See controller diagnostic guide Check ramp for obstructions Check ramp for excessive debris contamination inside cassette 2 20 Ratcheting Noise at End or during Ramp Deployment Ramp OUT Limit microswitch is out of adjustment or defective Check adjustment or replace 2 30 Excessive No
29. enance service or periodic adjustments necessitated by use or wear The Braun warranty is null and void if any repair or maintenance work is completed during the warranty period using parts not authorized by Braun or if as determined THIS WARRANTY IS IN LIEU OF ALL IMPLIED WARRANTIES INCLUDING WARRANTIES OF MERCHANTABILITY FITNESS FOR A PARTICULAR PURPOSE PERFORMANCE OR OTHERWISE WHICH ARE HEREBY EXCLUDED IN NO EVENT SHALL BRAUN BE LIABLE FOR ANY DAMAGES WHETHER DIRECT IMMEDIATE INCIDENTAL FORESEEABLE CONSEQUENTIAL OR warranty hich the ramp in any way our web site at www braunlift com The Braun Corporation Winamac Indiana To contact Braun or to obtain a list of Braun authorized dealers call 1 800 THE LIFT or visit Return Authorization Procedure When processing any warranty claims parts repairs all requests must be processed through The Braun Corporation Product Support Department Call 1 800 THE LIFT during normal working hours Product Support will issue a Return Material Authorization RMA number and detail required for processing returns and or authorizing credit the procedures The lift identification information is provided on the Braun Serial No Series No identification tag and the two warranty cards shown on inside front cover The lift identification information must be provided when filing a warranty claim or ordering parts Mi 32848 Rev Int
30. entially hazardous bodily injury and or personal injury or situations and provide instruction property damage property damage on how to avoid them All inf i ined ins manua and AWARNING ACAUTION supplements if included is pro D Note Additional information provided to help clarify or detail a specific subject These symbols will appear throughout this manual Recognize the seriousness of this information Installation Service Safety Precautions AWARNING If installation main tenance or repair procedures cannot be completed ex actly as provided in this manual or if the instructions are not fully understood contact The Braun Corporation immedi ately Failure to do so may result in serious bodily injury and or property damage AWARNING Read this manual and supplement s before performing instal lation operation or service procedures ACAUTION Installation specifications and dimensions must be met AWARNING Remove any obstructions within the ramp mounting operating area prior to beginning installation procedures AWARNING Do not operate ramp prior to positive securement of the pan AWARNING Check for obstructions such as gas lines wires exhaust etc before drilling or cutting during installation procedures AWARNING Route all cables clear of exhaust system other hot areas moving parts wet areas etc AWARNIN
31. ernational Corporate Hdqrs PO Box 310 EEE THE BRAUN AEEB CORPORATION Providing Access to the World Winamac IN 46996 USA FAX 574 946 4670 1 800 THE LIFT 574 946 6153 August 2006 TRE TCI TT B Pa E 23 TANIA Ces L8 0 1 E32 ciel 5 tts anial Jon tie produsi information available ui ins bu P lteter Wie Eoria 93srus3 te rigni fo aka enzire 23 st i fs Without notice Tne Braun Corporation
32. f travel or a halt condition occurs see Halt Conditions Two Way Toggle Operation In two way toggle mode there are separate switches for de ploy and stow functions One of the switches must be pressed and held or locked into position continuous input signal required for the RA500 ramp to oper ate The ramp will move in the selected direction until the switch is released signal interrupted the unit reaches the end of the travel or a halt condition occurs details follow Halt Conditions Several condi tions can cause a normal se quence to terminate stop Obstructions details below Customer Interlock signal lost see Customer Interlock Optional platform weight sens ing pad senses a load equal to or greater than 15 kilograms details below End of travel reached Obstructions The controller performs obstruction sensing see RA500 ramp Terminology Obstruction Sensing on all stow and deploy movements of the ramp The selected obstruction response mode configured in the controller during installation either immediately stops the pres ent movement when obstructed or stops and then reverses movement for 1 second Once an obstruction has halted the ramp the controller automatically resets and awaits operator input for further operation Weight Sensing Pad optional The platform can be equipped with a weight sensing pad This optional feature will cause the ramp not to operate in
33. ical systems The fixed sub floor cover protects the com ponents from above The cover is easily removed for access to drive components The sub floor provides an antiskid surface for entry and exit when the ramp is deployed The RA500 ramp stows into the sub floor providing an unobstructed an tiskid surface for entry and exit when the ramp is not in use Ramp Platform The ramp platform is the aluminum ramp section assembly featuring a full antiskid surface Chain Drive Assembly The electric motor driven chain drive deploys and stows the ramp plat form assembly Ramp Actions and Functions Extend Extend is the action of the platform moving out of the pan weldment housing Retract Retract is the action of the platform moving in to the pan weldment housing Deploy Deploy is the action of the ramp assembly extending to ground level when the DEPLOY OUT switch is activated Stow Stow is the action of the ramp assembly retracting inward to the stowed position when the STOW IN switch is activated Note the one touch control ler activates both the stow and deploy functions dependant upon the state of the RA5OO Stowed Position Stowed position is achieved when the ramp platform assembly is fully retracted resting fully in the pan weldment Manual Override Manual operation is achieved through the use of a mechanical release Simply pull the release and use the hand hold provided
34. ion secured by re engaging the carriage assem 7 bly with the drive chain Turn tighten the T handle 90 to secure handle in the engaged locked position Step 2 Step 3 Verify mechanism is reen gaged locked Pull on the Hand Hold to ensure no movement occurs Stow the remaining portion of the platform by using the electrical system Step 5 Hand Hold Page 13 RAMP OPERATION Ramp Passenger Safety Unless your transit agency has a published policy stating that driver attendants do not aid ramp disabled passengers it is the responsibility of the driver at tendant to ensure that ramp passengers enter and exit the vehicle on the ramp in the saf est manner ADA requirements state that tran sit drivers attendants must assist with attaching and removing wheelchair and occupant restraint belts Ramp passengers wheelchair passengers and standees and attendants must use common sense and good judgment regard ing ramp safety Each wheelchair passenger or standee has a unique set of physical abilities combined with the physical char acteristics of his or her wheelchair or other mobility aid that dictate the method in which he or she will enter and exit the vehicle Wheelchair attendants should be instructed on any special needs and or procedures required for safe transport of wheelchair pas sengers Follow all safety instruc tions regarding torso restraints
35. irs and different types of wheelchair equipped occupant restraint belt systems torso re straint It is the responsibility of the wheelchair passenger to have his or her wheelchair equipped with an occupant restraint seat belt under the direction of their health care professional Stabilizing Wheelchairs Pow ered and manual wheelchairs are designed to remain upright and stable during normal opera tion All activities which involve movement in a wheelchair have an effect on the combined center of gravity of the occupant and wheelchair Be aware of the ramp slope angle The slope of the ramp has a direct effect on the center of gravity The wheelchair passenger s center of gravity and their ability to maintain stability and balance must be kept in mind by the wheelchair passenger and the attendant The aid of an attendant stabilizing the wheelchair is recommended for optimum safety Wheelchair passengers who are unable to maintain stability and balance should not board a ramp without assistance Counterbalance devices anti tippers may be available from the wheelchair rep resentative to enhance stability and balance AWARNING Be aware of ramp slope RAM OPERATION Ramp Passenger Safety Wheelchairs should be operated at a slow and constant speed when on the ramp Wheelchairs should not accelerate suddenly when on the ramp Wheelchair passengers should not raise the front wheel
36. ise during Ramp Deployment 3 10 Ramp Starts to Stow then Stops Loose chain Debris inside ramp cassette Pressure mat activated Obstruction sensing activated Adjust chain Clean debris from cassette Remove object from mat See controller diagnostic guide Check ramp for obstructions Check ramp for excessive debris contamination inside cassette 3 20 Ratcheting Noise at End or during Ramp Stowing Ramp full in limit switch defective Check adjustment or replace 3 30 Excessive Noise while Ramp Stowing Lose chain Debris inside ramp cassette Adjust chain Clean debris from cassette Page 39 REPAIR PARTS Description Weldment Ramp Frame RA500 500 3236 RAO111W Linear Guide System Rail MOD RA0020M Linear Guide System Carriage RA0021 Switch Rear Stop RA500 RA0022 Sprocket Fixed Guide Manual Release ERO1 27491 Bearing Plain Plastic ID 8MM OD 10MM ER 27497 Weldment Traveling Cross Arm RA500 RA0112W ajoaf of afaso aj oa Weldment Chain End RA500 RA0024W N Nut M5 Nylock ZP 83038 Skid Pad RA500 RA0026 Roller Carriage RA500 RA0028 w Microswitch Sealed 30205 Top Plate Alum w or w o Laminate RA0123 Hinge SS 2 x 1 4 x 30 or 40 18619R030 Threshold RA500 RA0122Y Track Cover Left RA500 RA0031Y Tra
37. mination heavy usage etc may require inspection and maintenance procedures to be per formed more often than specified Discontinue ramp use immediately if maintenance and lubrication procedures are not properly performed or if there is any sign of wear damage or improper operation Contact your sales representative or call The Braun Corporation at 1 800 THE LIFT One of our national Product Support representatives will direct you to an authorized service technician who will inspect your ramp Maintenance and Lubrication Schedule Inboard ramp hinge 8 Weeks Threshold plate hinge or 200 Cycles Drive chain chain pulleys and guides Manual release cable and mechanism continued Clean and lubricate Apply Light Oil See Lubrication Diagram Clean and lubricate Apply Light Oil See Lubrication Diagram Apply Light Oil See Lubrication Diagram Apply Light Oil See Lubrication Diagram Page 31 MAINTENANCE and LUBRICATION Maintenance and Lubrication Schedule continued continued 8 Weeks or 200 Cycles Consecutive 8 Week or 200 Cycle Intervals Page 32 Carrier plate wear strips Clean ramp and ramp mounting area ensure no debris in area to obstruct stowing Inspect ramp for wear damage or any abnor mal condition Clean and lubricate Apply Door Ease Clean and remove debris or obstructions Correct as needed Perfo
38. mm above ground level Kneel higher than 210mm above ground level may not ing Vehicles measured with suspension lowered comply with EU ramp slope requirements In Right Structure Minimum S 40mm x 50mm steel Left Out As viewed from outside the vehicle tubing or equivalent Page 19 RAMP INSTALLATION Floor Pocket Clear Opening Dimensions In Right The ramp must DL be supported by a Left Out minimum of three chasis members As viewed from outside the vehicle 20 a RAMP INSTALLATION Clear Door Opening Width Dimension The ramp platform must be aligned with the center of the door opening Door s must open outward Page 21 RAMP INSTALLATION Installed Ramp Stowed Page 22 Stowed RA500 Ramp positioned in the floor pocket In Right Left Out As viewed from outside the vehicle a RAMP INSTALLATION Ramp Support Structure for RA500 w o Fixed Sub floor Outboard Support Tube Recommended Maxi EU Installations with support tube positioned mum Height 210mm above ground level Kneel higher than 210mm above ground level may not ing Vehicles measured with suspension lowered comply with EU ramp slope requirements Structure Minimum 40mm x 50mm steel tubing or equivalent Page 23 RAMP INSTALLATION Floor Pocket Clea
39. n serious bodily injury and or property damage Battery Ground Connections The Positive battery lead wire must be protected by an in line 25 ampere fuse or circuit breaker installer pro vided Do not connect the power battery lead wire to the battery until all other connec tions are made Connect the 14 pin data harness plug to the mating connector on the controller Connect the 2 pin Power harness plug to the mating connector on the controller Vehicle Floor AWARNING Risk of electrical shock Use extra care when making electrical connec tions AWARNING Risk of electrical fire Use extra care when making electrical connections Page 28 Secure all cables using cable ties and or cable clips mount clips with self tap screws Cable typical 2 7 amp Vehicle Floor Framing Member Self Tap Screw Carefully connect the power battery lead wire to the Positive battery post Chassis Ground Corrosion When mounting chassis ground cables remove undercoating dirt rust etc from the fram ing member around the mounting holes Apply a protective coating to mounting holes to prevent corrosion Apply grease to ground cable terminals and mounting hardware Failure to do so will void war ranty of certain electrical components eee RAMP INSTALLATION Electrical Connections The 2 pin p
40. nce and Lubrication Schedule 31 32 Introduction sssese mee 4 Ramp em 5 Systems Descriptions Ramp Actions and 5 Ramp Operation Ramp Operation Safety Safety Symbols sess 6 Ramp Operation Safety Precautions 6 7 Operation Notes and Details Ramp Access Doors and Interlocks 8 Operation Procedure 9 Preventive 9 Ramp Power 10 Power Ramp 11 Ramp Manual Operation 12 13 Ramp Passenger 14 15 Electronic Controller Calibration 33 35 Electrical Microswitches 36 37 Troubleshooting Troubleshooting Diagnosis Chart 38 39 Electrical Schematic 41B 42B Wiring Diagram mH 43 Repair Parts Ramp Installation Installation Service Safety Safety Symbols sss 16 Installation
41. ne v Flow control Apply Page 33 SYSTEMS DESCRIPTIONS Computer Calibration Instructions for Controller continued Calibrate the Controller Press the Calibrate button on the controller see Figure S Ensure that the Calibrate LED is red If connected properly a text window will pop up The numerical values will be different but the general format of the text window will read similar to the fol lowing Deploy Limit 50 Stow Limit 975 Adjust limits as follows Note Use Limit Adjustment Chart to calculate the Deploy and Stow limit values Three charts are provided on the right for calculation 1 Ensure that the Calibrate LED is red 2 Function the ramp through 4 complete deploy and stow cycles 3 Record the Deploy Minimum and Stow Maxi mum values 4 Average the Deploy Minimum and Stow Maxi mum values 5 Subtract 10 from the Average Delpoy Minimum value 6 Add 10 to the Average Stow Maximum value 7 Adjust the stow limit and the deploy limit po tentiometers to show values caluclated above Values will display on computer screen as the potentiometers are adjusted Note Clockwise rotation of potentiometers de creases values Once the limits are set return the ramp to nor mal operation by pressing the Calibrate button a second time Make sure that the Calibrate LED is changed to green Note To reinstall factory default values press the Calibrate
42. nterclockwise increases the force that the ramp will exert when it is stowing Caution Ensure that the force exerted is not exces sive It is recommended to adjust the potentiometer in small amounts and check operation after each adjustment Once the desired force levels are reached press the Calibrate button a second time to store the set tings Ensure the calibrate LED is off before return ing the ramp to service Power Ramp Harness Harness Port Port Calibrate Calibrate Button Reset Button Go p E A 1 QA 2 Mw B BB E E d NA Data K1 ut D HAZARD Harness i 24 a CJ
43. oors and Interlocks Attendants must become familiar with the vehicle ramp access door system and interlock s as well as the proper operation of the ramp Vehicle ramp access door con figurations and operation proce dures vary Ensure the ramp door is fully open before activating the ramp an interlock typically pre vents ramp operation unless the door is fully open Attendants and passengers must keep clear of the area in which the power door operates Ensure the path is clear before closing the door Be sure the door is fully closed before attempting to drive the ve hicle interlocks typically ensure this Page 8 Interlocks are required by nearly all transit authorities Vehicle interlocks typically prevent vehicle motion if the ramp is not stowed In some cases the ramp cannot be operated if interlock conditions are not met Interlock require ments may include the vehicle transmission must be engaged in Park the parking brake must be engaged the ramp access door must be fully open and or others Multiple interlocks may exist Instructions for operation of inter locks and door systems cannot be addressed in this manual due to the variety of procedures required for operating them General instructions for safe operation of the ramp are pro vided Ramp safety and ramp passenger safety information is included It is the responsibil ity of the attendant to properly open and close the ramp access door s
44. ower harness connec tor and the 14 pin data harness connector are supplied with the ramp Note Connectors are supplied only harnesses are supplied by ramp installer The ramp installer is responsible for vehicle connec tions The ramp installer provides an appropriate momentary contact control switch Terminate the power supply ground and ramp data signals as specified in the legends below The Positive battery lead wire must be protected by an in line 25 ampere fuse or circuit breaker installer provided AWARNING Positive battery lead wire must be protected by installer provided 25 ampere fuse or circuit breaker Failure to do so may result in serious bodily injury and or ETLE T Power Harness with Molex 42816 0212 Connector installer provided Function Description Input 1 Battery 24 Volt with 25 Amp Protection Device Wire Size 10 Gauge Input 2 Wire Maximum Length 10 Meters Ground Battery 10 Gauge Data Harness with AMP 206044 1 Connector installer provided Function Output Description Indicator Move Out Normally Open N O Wire Size 14 to 18 Gauge Output Indicator Alarm Normally Open N O 14 to 18 Gauge Input Switch Ramp Deploy 14 to 18 Gauge Input Switch One Touch 14 to 18 Gauge Input Indicator Power Common Fused 14 to 18 Gauge Ou
45. r Opening Dimensions for RA500 w o Fixed Sub floor eee RAMP INSTALLATION Clear Door Opening Width Dimension for RA500 w o Fixed Sub floor In Right The movable ramp platform must be aligned with the Left Out center of the door opening As viewed from outside the vehicle 25 RAMP INSTALLATION Installed Ramp Stowed RA500 w o Fixed Sub floor The movable ramp platform must be aligned with the center of the door Door s must Opening open outward Page 26 RAMP INSTALLATION Installed Ramp Stowed with Vehicle Floor Installed over Ramp In Right Floor should support upper surface of the Left Out As viewed from outside the vehicle 27 RAMP INSTALLATION Electrical Connections The ramp installer provides an appropriate control switch for the end user One touch operation using a single operate button switch or two way toggle opera tion with dedicated switches for the stow and deploy command are options Installer connections are listed in the table on the following page Strip wires crimp and install con tacts as specified in instructions supplied with the power connec tor Molex 2 pin and the data connector Amp 14 pin AWARNING Route cables clear of exhaust system other hot areas and moving parts Failure to do so may result i
46. removed from this As viewed from outside the vehicle illustration Page 3 RAMP TERMINOLOGY ME Introduction The Braun RA500 In Floor Ramp to be referred to as RA500 throughout this manual is de signed for use in low floor transit vehicles The 500 provides vehicle access to people with disabilities wheelchair passen gers or standees using other type mobility aids The self contained elec tric unit requires no pre assembly The electrical components are internal and easily accessible The RA500 features a 32 wide ramp in a 38 wide package A floor pocket built into the chas sis floor system allows for simple installation dimensional require ments specified in the Installation section The RA500 is specifically de signed to be operated by an attendant The ramp is controlled by either a one touch control or a press and hold control 4 The RA500 provides fully auto matic operation of ramp functions The electric system is controlled by a electronic controller board which activates an electric motor in opposite directions for deploy and stow functions powering a chain drive system Obstruction sensing is a standard feature with the RA500 ramp The RA500 also has an optional weight sensitive pad on the ramp platform The ramp will not operate with 15 kilograms on the platform when equipped with the weight sensitive pad Instructions are
47. rm all procedures listed in previous section also Remove motor cover and clean dirt and other foreign debris Remove motor cover and inspect Harness cables wires terminals and con nections for securement or damage Drive gear Motor guide rails Manual release CAM Drive chain Adjust chain tension Inspect vehicle to ramp wiring harness Mounting Antiskid Repeat all previously listed inspection lubrica tion and maintenance procedures at 8 week or 200 cycle intervals or per vehicle maintenance schedule Blow out with air compressor Re secure replace defective parts or otherwise correct as needed Apply Grease See Lubrication Diagram Apply Light Oil See Lubrication Diagram Apply Light Oil See Lubrication Diagram Apply Light Oil See Lubrication Diagram Adjust as needed Re secure repair or replace or otherwise cor rect as needed Check to see that the ramp is securely an chored to the vehicle and there are no loose bolts broken welds or stress fractures Replace decals if worn missing or illegible Replace antiskid if worn or missing N SYSTEMS DESCRIPTIONS Electronic Controller Introduction The following procedure is for cali bration of the RA500 Series Controller Calibrate the controller only if ramp does not function properly Electronic Controller can be calibrated using a computer recommended or manually using the onboard Calibrate button and
48. s activated common and normally open terminals have continuity In contrast the OUT LImit micro Switch is deactivated Deploy Sequence When the ramp is in the stowed position the OUT Limit microswitch is de activated and thus allows current to pass from the vehicle s Deploy switch circuit and energize the ramp s Bidirectional motor in the deploy direction motor drives chains to deploy ramp Deployed Position When the ramp is in the deployed position the OUT Limit microswitch is ac tivated In contrast the IN Limit microswitch is deactivated Stow Sequence When the ramp is in the deployed position the IN Limit microswitch is deactivated allowing current to pass from the vehicle s Stow switch circuit and energize the ramp s Bidirectional motor in the stow direction motor drives chains to stow ramp OUT Limit Microswitch The OUT Limit microswitch is located in the out board mounting position of the platform carrier plate To adjust 1 Power or manually move the ramp to the full out position 2 With the ramp in the deployed position loosen the OUT Limit microswitch mounting screws 3 Slide the switch body outward until resistance is felt from the switch being fully depressed 4 Tighten the mounting screws in this position Page 36 Manual Release State When the ramp s manual release is engaged the manual release microswitch signals the control ler that the manual release s
49. se 32402 Screw M5 x 20 Hex Head Cap SS 27452 Chain Roller 8MM Pitch Procoat x 99 28532R099 Bearing Plastic Flange 3 8 ID x 1 4 24028 Cable Manual Release M8 x 1450 x79 ERO 27526 Assembly Platform Weight Sensing RA323 110 Tape Adhesive UHMW Film 020 x 3 28475R Weldment Hinge 2 x 1 4 x 32 or 41 SS 18619W032Y Weldment Sprocket Drive Position Carriage RAO126W Top Cover Mat RAO0131 Link Chain Master 8mm Pitch SS 27428 Harness Ramp RAOO60A Assembly RA500 Interface Board 100218 001 Grip Tape Traction Adhesive 3 x 12 Yellow or Black 24173 YL Harness Ramp Controller RA0128A Tag Serial Series Plastic 18548P Assembly Platform Weight Sensitive RA0110A Page 40 1 1 not Shown Assembly Controller RA500 Interface Board 100218 001 EXPLODED VIEW DETAIL A Rotated 90 Page 41A Page 42A
50. stood contact The Braun Corporation immedi ately Failure to do so may result in serious bodily injury and or property damage Preventive Maintenance Maintenance is necessary to ensure safe and trouble free operation General preventive maintenance consisting of care ful inspections and cleaning the ramp system should be a part of your transit agency s daily service program Simple inspections can detect potential operational problems Regular preventive maintenance will reduce potential operation downtime and increase the service life of the ramp as well as possibly detecting potential hazards A generic Daily Preventive Maintenance Schedule is provided in this manual for your transit agency s use The form can be tailored to your particular application Exposure to harsh weather en vironmental conditions or heavy usage may require more frequent maintenance and lubrication procedures Preventive maintenance visual inspections do not take the place of the procedures specified in the Maintenance and Lubrication Schedule provided in this manual Refer to the Maintenance and Lubrication section in this manual for further details Page 9 RAMP OPERATION ME Ramp Power Operation Ramp Operating Instructions address the required controller inputs and the corresponding ramp functions Instructions for customer specific display panels and interlock options will not be ad
51. t ramp before operation Do not operate ramp if you suspect ramp damage wear or any abnormal condition AWARNING Keep operator and bystanders clear of area in which the ramp operates AWARNING and unload clear of vehicular traffic AWARNING Open ramp door s fully and secure before operating ramp AWARNING not overload or abuse The rated capacity is 300 kilograms 660 pounds Page 6 ae RAMP OPERATION Ramp Operation Safety Precautions continued AWARNING AWARNING AWARNING AWARNING AWARNING AWARNING AWARNING AWARNING AWARNING AWARNING AWARNING AWARNING AWARNING AWARNING AWARNING Do not activate control switch es when anyone is near the area in which ramp operates It is the responsibility of the attendant to oversee and assist ramp passengers Attendants must never operate the vehicle the ramp or attend to passengers if intoxi cated Intoxicated passengers should not be allowed to board the vehicle Wheelchair passengers must position and secure buckle engage fasten etc the wheelchair equipped occupant seat belt before loading onto the ramp Be aware of the ramp slope angle Wheelchair passengers should not raise front wheelchair wheels pull wheelie when on the ramp The wheelchair must be positioned in the center of the ramp when loading and unloading Keep ramp owner s manual in ramp mounted vehicle at all times Maintenance and lubrication procedures must b
52. t tube positioned higher than 210mm above ground level may not comply with EU ramp slope requirements Some OEM chassis meet these specifications The RA500 ramp was designed to conform to these specifications The ramp pan horizontal bor der lip sets on the floor pocket perimeter framework sub floor etc The finished flooring can be cut to conform to the border of the pan for a flush transition surface from ramp to floor The finished flooring can also go over the top of the ramp if the optional ramp model with out the fixed sub floor is installed Door Opening Open the door s fully and check the clear door opening width dimension Speci fied minimum clear door open ing width must be provided 850mm for 825mm ramp Door s must open outward When closed the door s should align with and conform to the outboard edge of the ramp pan rubber seal on bottom of door Minimum Clear Door Opening Dimensions are defined as fin ished door opening including any intrusive door jambs headers sills or hinges Obstructions Any intrusive ob structions within the door opening or the ramp mounting operating area such as seats molding lights brackets etc must be removed Trim or molding that creates an uneven mounting sur face should be removed RAMP INSTALLATION Ramp Support Structure Outboard Support Tube Recommended Maxi EU Installations with support tube positioned mum Height 210
53. tate of the ramp has been engaged This signals the controller to dis able the power functions of the RA500 OUT Limit Microswitch Ramp in Full Out Position As viewed from under the carrier plate N SYSTEMS DESCRIPTIONS IN Limit Microswitch The IN Limit microswitch is located in the inboard mounting position of the platform carrier plate To adjust 1 Power or manually move the ramp to the fully stowed position Remove the ramp top plate cover With the ramp in the stowed position loosen the IN Limit microswitch mounting screws Slide the switch body outward until resistance is felt from the switch being fully depressed Tighten the mounting screws in this position Replace the ramp top plate cover before oper ating the ramp Manual Release Signal Microswitch The MR Signal microswitch is located behind the lectric motor mounting plate To adjust 1 Power or manually move the ramp to the fully stowed position Remove the ramp top plate cover Disengage the manual release T handle to so the ramp is in the manual release state Loosen the MR Signal microswitch mounting screws Slide the switch body toward the motor mount ing plate until resistance is felt from the switch being fully depressed Tighten the mounting screws in this position Re engage the manual release T handle Replace the ramps top plate cover before operating the ramp
54. the event that 15 kilograms or more is on the ramp platform RAM OPERATION Power Ramp Safety Be certain there is adequate clearance outside the vehicle be fore deploying the power ramp The ramp operator attendant and bystanders must keep clear of the area in which the ramp operates and clear of all moving parts Attendants must ensure that passengers keep clear of the area in which the ramp operates Do not attempt to grip or hold the ramp If you are an attendant operating the ramp it is your responsibil ity to oversee and or assist in performing safe passenger load ing and unloading procedures Observe your passengers at all times when they are entering and exiting the vehicle Attendants must be aware of any special needs and or procedures required for safe transport of wheelchair passengers Do not attempt to load or unload a passenger in a wheelchair or other apparatus that does not fit ramp Do not exceed the 300 kilograms 660 pound load capacity of the ramp Passen gers should enter and exit one at AWARNING Keep clear of area in which ramp operates atime The attendant should not board the ramp with the passen ger except when assistance is required and the load capacity is not exceeded Always return the ramp to the stowed position when not in use AWARNING Provide adequate clearance outside of vehicle to ac commodate ramp Failure
55. tput Indicator Manual Release Normally Open N O 14 to 18 Gauge Input Ramp Enable 14 to 18 Gauge A VIN Output Switch Common 14 to 18 Gauge Output Indicator Full In Normally Open N O 14 to 18 Gauge Input Switch Ramp Stow 14 to 18 Gauge Input Switch Park Brake LOW to Operate 14 to 18 Gauge Output ak Indicator Move In Normally Open N O 14 to 18 Gauge Output Indicator Full Out Normally Open N O 14 to 18 Gauge gt Input Switch Park Brake HIGH to Operate 14 to 18 Gauge Notes Either the One touch switch or both the Deploy and The Park Brake switch either high or low and Ramp Enable See metric to US wire size con version chart on page 43 Stow switch connections should are required for ramp to operate be utilized but not both Ramp Enable requires Vehicle power to operate Page 29 MAINTENANCE and LUBRICATION Lubrication Diagram See the Maintenance Lubrication Schedule for recommended applications per number of cycles or elapsed time Manual Release CAM LO Drive Gear LG Drive Chain Motor LO Guide Rails Drive Chain Pulley LO Carrier Plate Wear Strips DE Ramp Hinge LO Specified recommended PNET Ele 9 Braun Lubricant Lubricant Amount Part No

Braun RA500 Mobility Aid User Manual

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