Model BF3462Y - Commercial Wheelchair Lifts
Contents
1. 22 Maintenance and Lubrication Schedule 23 25 Microswitch Adjustment 26 27 Depoly and Stow Pressure Adjustment 28 Troubleshooting Troubleshooting Diagnosis Chart 29 31 Electrical Schematic BF3462Y 32 Wiring Diagram 462 33 Hydraulics Hydraulic Schematic 462 34 Hydraulic Diagram and Parts List BF3462Y 35 Repair Parts RA300 Ramp Exploded View Repair Pans 36 Exploded View Fold Out 37A 38A Specifications and Dimensions 37B 38B Page 1 RAMP TERMINOLOGY W bh O l h l S Ramp Terminology Illustration Refer to the illustration below and the illustrations on next page for identification of components and clarification of direction terminology Details regard ing lift model variations terminology direction and components are provided on pages 4 and 5 Manual Release Sub floor Pese Fixed Drive Inboard Ramp Stage One Vertical ga N Side Plate eldment N Barrier Drive Arm SN Outboard Stage Two IN RIGHT LEFT OUT As viewed from outside the vehicle 2 RAMP TERMINOLOGY2. 5 Ramp Actions and Functions 5 Ramp Operation Ramp Operation Safety Safety Symbols 6 Ramp Operation Safety Precautions 6 7 Operation Notes and Details Ramp Access Doors and Interlocks 8 Operation Procedure Review 9 Preventive Maintenance 9 Ramp Operation Ramp Power Operaltion 10 Ramp Manual Operation 11 12 Ramp Passenger Safety 12 13 Ramp Installation Installation Service Safety Safety Symbols 14 Ramp Operation Safety Precautions 14 15 Installation Instructions Installation Requirements 15 Chassis Requirements 15 3 818766 16 16 Installation lllustrations 16 18 Electrical Connections eene 20 Electrical Connections Illustration 21 Maintenance and Lubrication Lubrication Diagram
3. Ramp Components Terminology lllustration Pump Counter Cylinder Cylinder Relays Manual Release Assembly Cam Microswitch Assembly Pump Pd Manual Ramp Release Manual Drive Arm lever Release Assembly Counter Pump Cylinder Relays Pan Weldment Cam Microswitch Cylinder Assembly Pump Manual Release lever Note The assist chains electrical harness sub floor LEFT OUT and transition threshold Ramp plate removed from these As viewed from outside the vehicle Drive Arm illustrations for clear view Page 3 RAMP TERMINOLOGY EE Introduction Braun RA300 Series transit ramps are designed for use in low floor transit vehicles The RA300 provides vehicle ac cess to wheelchair passengers or standees using other type mobility aids The commercial oriented ramp is ADA compliant dependant upon installation height See the Installation section for ADA specifications The self contained drop in unit requires no remote pump external hydraulic lines or pre assembly The hydraulic and electrical components are internal and easily accessible A single electrical feed provides the power supply 12 volt the ground a ramp deploy signal aramp stow signal and various indicator signals 00 model BF3462Y features a 34 wide ramp in a 36 wide package A floor pocket built into the chassis floor system allows for simple installation di men
4. NC 14 GA BL BK 85 2 86 12 12 12 so x 87A i2GA DRIFT OUT 12 GA BUBK 12 GA BL u i zi z MICROSWITCH lt DEPLOY i so s RELAY t m 14 GA OR BK NC 14 GA OR BK 85 E 86 12 GA RD 12 GA RD E 12 GA RD s 30 87 87 i2GA BK 12 12 i COUNTER x i MICROSWITCH lt i ua COUNTER 5 NO 18GA YUWH 18GA BK c NC 2 3 18 GA RD 14 WH 462 33 vt MOTI3A V9 vL qasn LON qasn LON 9fr1d vL 32V18 39NVHO VO vL V9 ZL V9 qaa 95 40109 Nid 30029 38HIM 8 lt m O Qu u O x G3dN3IWNWWOOat x V9 vL HOLVOIGNI OL tL HOLVOIQNI MOLS OL qasn LON qasn LON 9 1d tL 5 uasn IVN9IS MOLS 35 cL 319IH3A ZL 5 H3MOd 40109 Nid 3002 3HIM 8 lt Lf HOLO3NNOO U3TIVISNI SNIHIM H94 8v 2034 95105 Ld HOLO3NNOO uo1o0W anqa YOLOW L 40109 3
5. Voltage 12 VDC Current 30 Amps Max 4 38 70 Inputs Required 12 Volt Supply Ground Out Signal In Signal Interlock Signal Notes Mounting holes brackets per application Stowed View EN EE i 33 02 lt 38 70 lt 34 125 gt 34 125 gt 37 31 gt Y Y 3 62 4 91 3 66 lt 26 47 2 28 7 19 lt 35 80 gt lt 31 72 gt Page 37B Page 38B Providing Access to the World Over 300 Braun Dealers Worldwide w THE BRAUN Mi m CORPORATION Providing to the World International Corporate Hdqrs Box 310 Winamac IN 46996 USA 1 800 THE LIFT 574 946 6153 574 946 4670 Braun Commercial 12 2500 Transit Ramp Braun Worry Free Limited Warranty 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 with this manual Warrantied replacement parts are covered until the expiration of the Braun warranty or 90 days whichever is longer The Braun warranty covers the cost of labor for any repair or replacement covered under the warranty during the first year of the warranty period if an approved Braun dealer completes the
6. 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 the transit agency daily service program Simple inspections can detect potential operational problems Regular preventive maintenance will reduce potential opera tion downtime and increase the service life of the ramp as well as possibly detecting potential hazards 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 for further details Page 9 RAMP OPERATION E Ramp Power Operation The power ramp is attendant operated and activated by the control switch provided by the vehicle con verter ramp installer A momentary contact switch center off will typically be located near the driver The control switch may be part of a panel providing other features and controls power on off indicators LED s etc Before operating the ramp park the vehicle on a level area away from vehicular traffic Place the vehicle transmission in Park and engage the parking brak
7. 00 is designed to conform to these specifications The ramp pan horizontal border lip sets on the floor pocket pe rimeter 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 Page 15 RAMP INSTALLATION E Installation Requirements continued Door Opening Open the door s fully and check the clear door opening width dimension Speci fied minimum clear door opening width must be provided 39 for 34 ramps See Figure F 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 finished door opening includ ing any intrusive door jambs headers sills or hinges Obstructions Any intrusive obstructions within the door opening or the ramp mounting operating area such as seats molding lights brackets etc must be removed Trim or remove molding that creates an uneven mounting surface should be removed The molding can be modified to fit around the ramp pan horizontal border lip There must be a minimum 1 8 clearance between the deployed ramp assembly and the vehicle floor or any obstruction on the floor such as a rubber sill or threshold Floor Pocket Clear Opening Dimensions Outboard Support Tube Recommended Height
8. 1 1 4 L 31661 SHAFT MAIN PIVOT W KEYWAY 35389 SHAFT MAIN PIVOT W KEYWAY 35400 CYLINDER 1514 3 COMPACT CYL FRONT C1514 3 9800 CYLINDER 1514 3 COMPACT CYL REAR C1514 3 9900 Item not shown Page 36 Item 1 1 2 4 3 2 4 4 5 1 6 1 7 2 8 2 9 2 10 2 11 2 12 2 13 1 14 1 15 1 16 1 17 2 PIN CYLINDER MOUNT BF00067 18 2 CYLINDER RACK PIN RA40002 19 8 E CLIP 3 8 SHAFT 84383 20 3 MICROSWITCH SEALED 30205 21 2 SCREW 4 40 X 1 1 2 RD HD 11485 22 2 CAM MICRO SWITCH STOW ADJUST 00003 23 1 CAM MICRO SWITCH ADJUST BI FOLD 00076 24 3 SCREW 10 32 X 5 16 SET AUTO BK 11562 25 2 SPACER HANDRAIL 163 915 0301 26 4 CAP DRIVE ARM FF00007 27 4 SCREW 5 16 18 X 5 8 FHSCS AUTO BLK 27233 28 1 ASSY PUMP BF3462Y BF34400A 29 2 BOLT 5 16 18 X 1 2 316 SS HEX BF00251 30 1 ASSY MANUAL RELEASE CABLE BF34401A 31 1 CYCLE COUNTER LCD WITHOUT RESET 30547 32 1 HARN MAIN ASSY BF34078A 33 1 WASHER LOCK DT 114021 30031 34 1 NUT PANEL DT 114020 90 30030 35 2 WASHER 10 FLAT AUTO BK 11541 36 2 NUT 10 32 W LOCKWASHER AUTO BK 18349 37 2 RELAY 30 40A SPDT 12V P amp B PLSTC PLUG IN 18087 38 2 ANTISKID TAPE 33 5 X 2 25 35842 39 1 ANTISKID TAPE 33 5 X 5 35843 40 1 HINGE FULL SWAGE 2 X 31 NUTS 35509PSY 41 56 SCREW 10 32 X 7 16 FHS AUTO
9. BLACK 35385 42 2 ANTISKID TAPE 32 125 X 28 75 35840 43 1 RAMP PLATFORM STAGE 1 BF34285Y 44 1 1 1 2 X 33 10416R033 45 1 HINGE 2 X 31 SS WITH PEM NUTS 2 ROWS 29960PS 2Y 46 1 CHAIN MECHANISM WELDMENT FRONT SIDE BF34221FWBKN 47 1 PLATE FRONT SIDE CHAIN MECHANISM SUPPORT BF34220FBKN 48 1 CHAIN MECHANISM WELDMENT REAR SIDE BF34221RWBKN 49 1 PLATE REAR SIDE CHAIN MECHANISM SUPPORT BF34220RBKN 50 15 SCREW 10 32X3 8 FL HD HX SKT AUTO BK 24537 51 12 NUT 10 32 X 0 20 CABLE RETAINER 00242 52 1 TRANSITION PLATE WELDMENT BF34287WY 53 2 SPRING TORSION BIFOLD RAMP 35852 54 2 WASHER 5 16 FLAT 10063 55 2 SCREW 5 16 18 X 1 2 BHSC BLK AUTO BK 26281 56 1 ASSY CABLE MECHANISM FRONT SIDE BFOOO98FA 57 1 ASSY CABLE MECHANISM REAR SIDE BFOOO98RA 58 1 RAMP PLATFORM STAGE 2 BF34286Y 59 1 COVER TRANSITION PLATE HINGE BF34288DS 60 6 NUT WELD 10 32 X9 32 PLAIN SLAB BASE 30209 61 1 PLATE HINGE SUPPORT BF00013Y 62 18 SCREW 10 32X1 2 BHSCS AUTO BLACK 30375 63 2 SPRING DISC STAINLESS OD 980 ID 525 35314 64 2 WASHER NYLON 1 2 IDX1 ODX0 040 11913 65 2 WASHER NYLON 52 IDX 75 ODX 04 35463 66 2 BOLT RAMP FOLD LINK 1 4 20 00208 67 2 ASSY CHAIN 35 X 36 375 W SHRINK TUBING 00088 68 4 LINK CHAIN 35 12454 69 1 4224 70 1 ANTISKID 34 X 23 5 RED BRAUN LOGO 35841 EXPLODED VIEW Page 37A Page 38A SPECIFICATION AND DIMENSIONS M Power Unit Hydraulic Pump Module Deployed View
10. allows the ramp to be manually deployed and stowed hydraulic pressure released Before Power Operation Ensure the manual release is re engaged before power operation Turn the T handle and push the T handle in fully after manually operating the ramp The ramp cannot be power driven if the manual release is released T handle out Manual Operation Safety Two oval shaped HAND HOLD slots are provided on the ramp see Figure B Carefully deploy unfold and stow fold the ramp using the HAND HOLDS Keep clear of the area in which the hinged ramp sections fold and unfold Keep clear of the area where the inboard ramp side plates stow in the pan floor Keep clear of drive arms and assist chains Remember to use good body mechanics when folding and unfolding the ramp 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 T handle Operation To Manually Deploy or Stow Ramp 1 Pull T Handle 2 Turn T Handle to lock ramp in re leased position 3 Use HAND HOLDS to deploy or stow ramp For Power Operation 1 Turn T Handle 2 Push T Handle in fully Figure A Note Turn and push T handle in before operating electric pump Page 11 RAMP OPERATION Ramp Manual Operation continued Keep clear of area Keep clear of where ramp side plates drive arms assist c
11. 002 3HIM VO zt VO 21 35NVHO 40109 3002 ANO Z SNOILOANNOO HO LOIN V9 vL 1 lt LON VO tL 30V18 39NVHO 40109 Nid NNOO HOLIMSOHOIIN Woo H LIMSOY IN 1 SNOLLO3NNOO 1SS3NHVH 81 MOVIE asna 3LIHM 35 v18 lt LON ZL MOVIE 218 21 MOVIE 2 8 V9 ZL MOVIE 48 V9 ZL ovg 48 V9 ZL MOW1E 98 V9 ZL ova 98 vL 42V18 39NVHO 58 VO vL MOVIE an18 58 HOLOW oe 81 3LIHM 40109 7201 H31NnOO VOvL ov18 3nra i V9 81 aad V9 8L 31IHM MOTT3A qasn LON VO 1 WOW1E 3019 vL 3LIHM M TROUBLESHOOTING iring W ang HOLOW 0 40709 30705 30709 a mU NNOO HO LIMSOHWDOIIN NNOO HOLIMSOUWDOIIN 309 3UIM L AV T3H 3002 SHIM AV 13H ren Sod YN p 1 woo woo ON ON v L H LIMSOY IN H LIMSOY IN H3lNnOO LNO L3IHG H3lNnOO L Av 139 AV 13H z AV 1398 AV MOLS HYDRAULICS Hydrau
12. 10 1 4 above ground level Kneeling Vehicles Measured with sus pension lowered Figure C 36 1 4 NENNEN ADA Installations with sup port tube positioned higher than 10 1 4 above ground level may not comply with ADA ramp slope requirements Outboard Support Tube 10 1 4 The portion of the floor where the ramp mounts can range in slope from 0 to 9 52 Figure D Y 29 1 4 Note Ramp assembly mounting hard ware and or brackets are directly depen dant upon the vehicle chassis and floor pocket configuration not supplied Structure Minimum 1 1 2 x 2 steel tub ing or equivalent Page 16 RAMP INSTALLATION Floor Pocket Clear Opening Dimensions In Right Clear Door Opening Width Dimension Left Out As viewed from outside the vehicle Vehicle chassis floor pocket configuration must be aligned cen ter with door opening Door s must open outward Page 17 RAMP INSTALLATION Installed Ramp Stowed Figure H b Stowed RA300 positioned in the floor pocket a In Right Installed Ramp Deployed uction floor such as a rubber sill or threshold Page 18 BLANK LAYOUT 19 RAMP INSTALLATION Electrical Connections The ramp installer provides an appr
13. Operator s Installation Service Manual Braun Commercial RA300 Transit Ramp for Low Floor Transit Vehicles Model 3462 J ws THE BRAUN Amm CORPORATION Read manual Providing Access to the World before operating International Corporate Hdqrs PO Box 310 Winamac IN 46996 USA installing Or 1 800 THE LIFT 574 946 6153 FAX 574 946 4670 Failure do so may result in serious bodily injury and or property damage 35883 December 2009 C TOTIS TET ETT ERA 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 IAM DV ar Ralph W Braun Chief Executive Officer CONTENTS Ramp Terminology Ramp Terminology Illustration 2 Ramp Components Terminology Illustration 3 Introduction Meere ERI 4 Ramp
14. ach aluminum ramp sec tion features vertical side plates and full antiskid surface Drive Arm Assembly The cylinder driven two stage drive arm assemblies deploy and stow the ramp assembly Ramp Actions and Functions Deploy Deploy is the action of the ramp assembly extend ing and unfolding to ground level when the DEPLOY OUT switch is activated installer supplied Stow Stow is the action of the ramp assembly raising and fold ing inward to stow position when the STOW IN switch is acti vated installer supplied Stow Position Stow position is achieved when the two stage ramp assembly is fully retracted and folded resting fully on the pan weldment Manual Override A cable acti vated manual release engages and disengages the hydraulic system A T handle is provided for activation of the manual release Pulling the T handle out pushes a pump valve to release pressure turn T handle to lock in released position Disengaging the hydraulic system allows the ramp to be manually deployed and stowed hydraulic pressure released See Ramp Manual Operation on page 11 for further details Page 5 RAMP OPERATION Safety Symbols SAFETY FIRST Know That All inf ined AWARNING ACAUTION supplements if included is pro vided for your safety Familiarity This symbol indicates This symbol indicates with pro
15. connect harness from ramp Using volt meter test probe 8 pin Deutsch male plug terminals as follows Pin 12V Pin B Ground Pin C V when Stow switch is activated Pin D V when Deploy switch is acti vated 1 20 Power to Ramp But No Pump Operation 2 00 2 10 DEPLOY No Out Operation continued continued Ramp wiring harness Faulty relay s Loose connection s Broken wire s Wire terminal s See 1 00 Drift Out Microswitch out of adjust ment or damaged Drift Out Microswitch harness dis connected damaged or otherwise damaged Pump motor brushes worn Remove relays from sockets Using volt meter test probe wires terminals at relay sockets Hed 12V Black Ground Blue V when Stow switch is activated Orange V when Deploy switch is activated Replace Clean and tighten Repair Crimp tightly to wire See Microswitches in Systems Descrip tions for details Connect repair or replace Contact Braun Product Support replace pump Page 29 TROUBLESHOOTING M FUNCTION SYMPTOM continued 2 20 Locked in Intermediate Position No Response to continued Deploy Switch No Drift Out POSSIBLE CAUSE 2 21 Ramp was stopped within the Deploy Drift Out range during Stow function REMEDY Activate Stow function until ramp is out of the Deploy Drift Out range Then activate Deploy function OR Pu
16. could result serious result in minor person to identify potentially hazardous bodily injury and or al injury or property situations and provide instruction property damage damage on how to avoid them 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 A WARNING A WARNING If installation main ACAUTION tenance or repair be completed ex actly as provided in this manual if the instructions not fully understood contact The Braun AWARNING Corporation ately Failure to do A WARNING so may result serious bodily injury and or property damage A WARNING Head this manual and supplement s before performing instal lation operation or service procedures Installation specifications and dimensions must be met Hemove any obstructions within the ramp mounting operating area prior to beginning installation procedures Do not operate ramp prior to positive securement of the pan Check for obstructions such as gas lines wires exhaust etc before drilling or cutting during installation procedures Route all cables clear of exhaust system other hot areas moving parts wet areas etc Risk of electrical shock or fire Use extra care when makin
17. ctions for operation of interlocks and door systems are not be addressed in this manual due to the variety of procedures required for operating them It is the responsibility of the driver attendant to properly open and close the ramp access 5 to activate interlock s and to properly activate the ramp power functions 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 provided in this manual with the ramp sales representative or vehicle con verter before attempting ramp operation Any questions or concerns can be addressed at that time Operate the ramp through all functions to ensure proper use and operation 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 man ual must be stored in the ramp equipped vehicle at all times A WARNING Read become familiar with all ramp operation safety precautions pre operation notes and details operating instructions and manual operating instructions prior to operating the ramp If this information is not fully understood contact The Braun Corporation immedi ately Failure to do so may result in serious bodily injury and or
18. d 2 36 Stow pressure relief valve setting too low Stow pressure relief valve stuck open due to contamination or other wise damaged See 2 40 Adjust relief valve setting See Systems Descriptions for details Contact Braun Product Support re place pump 3 60 Drifts Excessively Slow or No Drift See 2 40 and 2 50 3 70 Drifts Excessively Fast See 2 35 2 36 and 2 62 Page 31 TROUBLESHOOTING ww 5585888 Electrical Schematic BF3462Y POWER CONNECTIONS CONTROL SIGNALS PROVIDED BY INSTALLER SYMBOL KEY EC US RED CC E ED EM M CIC E 7 0 E DESCRIPTION SYMBOL 6 SIGNAL RAMP DEPLOY INDICATOR BATTERY I 14 GA SIGNAL TO RAMP STOW INDICATOR CHASSIS GROUND 7 14 GA USER CONTROL SIGNAL TO DEPLOY RAMP CIRCUIT PROTECTION DEVICE x 14 GA USER CONTROL SIGNAL TO STOW RAMP JUNCTION 12 GROUND MICROSWITCH 12 GA 12GaA i CIRCUIT aE PROTECTION BATTERY x DEVICE GROUND MOTOR am 30 AMP lt x RECOMMENDED WIRE GUAGE COUNTER lt DRAWING SHOWN WITH STOWED POSITION 12 GA RD 18 GA RD Page 32 w 12 GA BK DRIFT IN x lt x MICROSWITCH x 4 n STOW De RELAY j 14 GA BL BK
19. e Lubricate pivot pins See Maintenance and Lubrication Schedule and Diagram Correct Replace Lubricate See Main tenance and Lubrication Schedule and Diagram Check and correct Check for contamination or kinks correct or replace Thin with Diesel fuel 2 T Change in spring See Systems Descriptions for full time cold climate specifications 2 50 Drifts Excessively Slow or No Drift 2 51 See 2 38 and 2 40 2 52 Pump internal orifice plugged or damaged Contact Braun Product Support replace pump 2 60 Drifts Excessively Fast Page 30 2 61 See 2 35 and 2 36 2 62 Pump internal orifice enlarged or damaged Contact Braun Product Support replace pump M TROUBLESHOOTING FUNCTION SYMPTOM 3 10 No Operation POSSIBLE CAUSE See 1 00 Drift In Microswitch out of adjust ment or damaged Drift In Microswitch harness discon nected damaged or otherwise damaged REMEDY Adjust or replace See Microswitches in Systems Descriptions for details Connect repair or replace 3 20 Locked in Intermediate Position No Response to Stow Switch No Drift In was stopped within the Stow Drift In range during Deploy function Activate Deploy function until ramp is out of the Stow Drift range Then activate Stow function OR Pull Manual Release Cable slightly 3 40 Pump Runs But Doesnt Stow 3 50 Faulty or Sluggish Operation See 2 31 2 32 2 34 2 35 an
20. e Meet all other interlock conditions as equipped Activate the vehicle kneel system to lower the vehicle if so equipped Lowering the vehicle reduces the slope of the ramp Power Ramp Safety Be certain there is adequate clearance outside the vehicle before deploying the power ramp A WARNING Provide adequate clearance outside of vehicle to ac commodate ramp Failure to do so may result in serious bodily injury and or property damage The ramp opera tor attendant and bystanders must keep clear of the area in which the ramp operates and clear of all mov ing 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 ramp drive arm assemblies or the assist chains If you are an attendant operating the ramp it is your responsibility to oversee and or assist in performing safe passenger loading 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 on the ramp Do not exceed the 660 pound 300 kilograms load capacity of the ramp Passengers should enter and exit one at a time The attendant should not board the ramp with the passen
21. es specified 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 RA300 Series ramps are equipped with hardened pins and self lubricating bearings to decrease wear provide smooth operation and extend the service life of the ramp When servicing the ramp at the consecutive recommended intervals inspection and lubrica tion procedures specified in the previous sections should be performed repeated Clean compo nents and the surrounding area before applying lubricants LPS2 General Purpose Penetrating Oil is recommended 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 components exposed to contaminants when lowered to the ground may require extra attention Specified lubricants are available from The Braun Corpora tion part numbers provided All listed inspection lubrication and main tenance procedures should be repeated at 750 cycle intervals fol lowing the scheduled 1500 cycle mainte nance procedures These intervals are a general guideline for scheduling mainte nance procedures and will vary according to AWARNING Maintenance and lu brication procedures must be performed as specified by an authorized service technician Failure to do so may result in serious bodily in
22. g electrical connections Connect and secure as outlined in Installation Instructions and Wiring Diagrams A WARNING Meet all ramp positioning and clearance specifications as detailed in the Installation In structions before operating ramp A WARNING Maintenance and repairs must be performed only by authorized service personnel A WARNING Perform maintenance and lubrication procedures exactly as outlined in the Maintenance and Lubrication Schedule contained in this manual Page 14 WIw E RAMP INSTALLATION Installation Service Safety Precautions AWARNING A WARNING A WARNING A WARNING A WARNING AWARNING A WARNING erty damage Never modify alter a Braun Corporation ramp Installation Requirements Braun RA300 Series transit ramps must be installed and serviced by a Braun authorized service representative who has attended and been certified by The Braun Corporation Sales and Service School for Braun Mobility Products Head and become familiar with the contents of this manual before beginning installation operation or service procedures Disconnect the power cable at the battery prior to servicing Keep hands arms and all other body parts clear of moving parts Replacement parts must be Braun authorized replacements Never install screws or fasteners other than factory equipped Whenever replacing a hydraulic cylinder or seals deploy ramp fully Failure to follow these safe
23. ge Inspect drive arm slots for excessive wear or damage Clean ramp and ramp mounting area ensure no debris in area to obstruct stowing stacking Cycle ramp and observe drift speed during deploy and stow functions Inspect ramp for wear damage or any abnor mal condition Clean and lubricate Apply Light Oil See Lubrication Diagram Apply Door Ease See Lubrication Diagram Tighten replace or correct as needed Correct as needed Clean and remove debris or obstructions If drifts too fast adjust applicable Drift Micro switch Cam so drift begins at reduced height Correct as needed Perform all procedures listed in previous section also Remove sub floor pan cover and clean dirt and other foreign debris Remove sub floor pan cover and lubricate drive arm gear and cylinder gear rack Remove sub floor pan cover and inspect Pump mounting bolts for securement loose or missing Drive arm and gear rack weldment teeth for foreign objects wear or damage bent deformed misaligned positive securement and proper operation Gear rack weldment pin securement E clip loose or missing Hydraulic cylinder hoses fittings and con nections for wear damage or leaks Harness cables wires terminals and con nections for securement or damage e Relays for securement or damage Microswitches and cams for securement and adjustment Microswitch wires and terminals for secure men
24. 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 Keep clear of area in which ramp operates Gravity Down Drift Deploy Gravity Down Drift When deploying unfolding the ramp the ramp pump motor stops running when the ramp reaches an approximate 45 angle shut off point The ramp continues to slowly lower the remaining dis tance by the force of gravity non powered Allow the ramp to unfold deploy fully before boarding the ramp Forcing the ramp out or down during the deploy unfold function or boarding onto the ramp before it is fully deployed may result in damage to the ramp and or drive assembly Page 10 Stow Gravity Down Drift When stowing the ramp and it reaches an approxi mate 15 angle shut off point gravity lowers the ramp to the pan floor Note Pump motor shut ACAUTION off points are microswitch Allow ramp to deploy adjustable fully before boarding Failure to do so may result in damage RAMP OPERATION Ramp Manual Operation Cable Activated Manual Release A cable activated manual release engages and disengages the hydraulic system A T handle is provided for activation of the manual release see Figure A Pulling the T handle out pushes a pump valve to release pressure turn T handle to lock in released position Disengaging the hydraulic system
25. hains stow in pan floor Keep clear of hinged areas Use HAND HOLDS to carefully unfold and fold the ramp Note Turn and push T handle in before operating electric pump Keep clear of Side Plates m 2 HAND HOLD Unless your transit agency has a published policy stating that driver attendants do not aid ramp pas sengers it is the responsibility of the driver atten dant to ensure that ramp passengers enter and exit the vehicle on the ramp in the safest manner ADA requirements state that transit drivers at tendants must assist with attaching and removing wheelchair and occupant restraint belts Hamp passengers wheelchair passengers and standees and attendants must use common sense and good judgment regarding ramp safety Each wheelchair passenger or standee has a unique set of physical abilities combined with the physical characteristics 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 Page 12 any special needs and or procedures required for safe transport of wheelchair passengers Follow all safety instructions regarding torso restraints stabil ity balance weight distribution and use of atten dants as specified in the owner s manual supplied with the passe
26. hair 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 arm 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 occupant and or the attendant Page 13 RAMP INSTALLATION E h D Safety Symbols SAFETY FIRST Know That supplements if included is pro All inf ined AWARNING ACAUTION vided for your safety Familiarity This symbol indicates This symbol indicates with proper operation instructions important safety important information as well as proper maintenance information regarding regarding how to procedures are necessary to en a potentially hazard avoid a hazardous sure safe trouble free operation ous situation that situation that could Safety precautions are provided
27. is HVI 26 Do not mix with fill ine molded in reservoir Do electric motor and 76 cubic inch Dextron or other hydraulic flu not overfill fluid reservoir for 12V BF3462Y ids Check fluid level with ramp Deploy and Stow Pressure Relief Valves AWARNING Deploy and stow pressure relief valves are factory set and typically should not require Contact The Braun adjustment Adjustment procedure typical for Corporation before both valves The ramp pan cover sub floor adjusting hydraulic must be removed to access relief valves pressure relief valve Failure to do so may Relief Valve Adjustment Procedure result in serious bodily injury and or 1 Insert 3 16 Allen wrench into the Allen property damage adjustment screw Secure the Allen screw and loosen the hex nut do not remove hex nut Deploy B Hex Jamb Nut 2 Place 40 pound load on ramp at center Pressure Relief Valve 3 Turn the Allen screw clockwise until pump starts to lift the load Figure 4 Turn the Allen screw counterclockwise 1 4 turn 5 Remove load from platform Verify pump will lift empty ramp 6 Secure the Allen head screw and tighten the hex nut securely Stow A Allen Relief Valve Screw Page 28 TROUBLESHOOTING Troubleshooting Diagnosis Chart A WARNING Troubleshooting and repair procedures must be performed as specified by an authorized service tech
28. jury and or property damage ramp use and condi tions Ramps exposed to severe conditions weather environment contamination heavy usage etc may require inspection and maintenance procedures to be performed more often than specified Cycle Counter RA300 Series ramps are equipped with a cycle counter located in the pan weldment This cycle counter allows the service technicain to track the number of cycles Discontinue ramp use immediately if maintenance and lubrication procedures are not properly per formed or if there is any sign of wear damage or improper operation Contact your sales represen tative or call The Braun Corporation 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 Outboard ramp hinge Drive arm pivot pins screws nuts and bearings Drive arm and cam gear pivot shaft 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 23 MAINTENANCE and LUBRICATION EE continued Page 24 Chains at gears and chain assist assemblies Drive arm slot Inspect drive arm pivot points mounting screws nuts and bearings for positive secure ment wear or dama
29. lic Schematic BF3462Y Cylinder Double Pump Bidirectional Relief Valve Displacement Pump motor Check Valve Bidirectional Flow Control Valve Hydraulic Port 3 Way 2 Position Reservoir Shuttle Valve Vented 69 BAR 86 1000 PSI 1250 PSI Page 34 HYDRAULICS Hydraulic Diagram and Parts List BF3462Y Description Cylinder 1514 3 Compact C1514 3 9800 Cylinder 1514 3 Compact C1514 3 9900 Pump Power Unit Hydraulic RA300 35572 12V Hose Assembly 12 1 8 Dia SW SW 16004 012 Hose Assembly 13 1 8 Dia SW SW 16004A 013 Hose Assembly 14 1 8 Dia SW SW 16004A 014 Hose Assembly 15 1 8 Dia SW SW 16004 015 Elbow 45 7 16 20 7 16 20 5 Male O Ring 24505 OMN N a Tee 7 16 O Ring BRANCH 7 16 M JIC37 87621 Page 35 REPAIR PARTS P Qty Description BF3462Y PAN WELDMENT BF34202WY BEARING FLANGE 3 4 X 1 4 12FDU04 24012 GEAR RACK WELDMENT RA40402WBKN BEARING UHMW 1 X 0 16 34966 DRIVE ARM WELDMENT FRONT SIDE BF34261FWBKN DRIVE ARM WELDMENT REAR SIDE BF34261RWBKN BEARING FLANGED 5 8 SHAFT 29754 NUT PIVOT 7 16 20 FOLD N RAMP 29756 DRIVE ARM ROLLER UHMW FF00015 BEARING THRUST 3 4 SHAFT 1 1 4 ODX1 16 35326 DRIVE ARM LINK WELDMENT BF34201WBKN BEARING SLEEVE 3 4 ID 7 8 OD
30. ll Manual Release Cable slightly 2 30 Pump Runs But Doesnt Deploy 2 00 2 31 Physical obstruction 20 Ib or more on ramp 2 32 Mechanical binding 2 33 Deploy pressure relief valve setting too low 2 34 Low hydraulic fluid supply Note Fluid should be changed if there is visible contamination Inspect the hydraulic system for leaks if fluid level is low 2 35 Leak in hydraulic system 2 36 Cylinder leak 2 37 Deploy pressure relief valve stuck open due to contamination or other wise damaged 2 38 Pump internal shuttle valve stuck or damaged Remove obstruction Check and correct Adjust relief valve setting See Systems Descriptions for details Use Braun 32840 QT hydraulic fluid Exxon Univis HVI 26 Do not mix with Dextron or other hydraulic fluids Check fluid level with ramp fully deployed Fill to maximum fluid level indicated on reservoir fill line molded in reservoir Do not overfill Repair Replace Contact Braun Product Support replace pump Contact Braun Product Support replace pump DEPLOY Out 2 40 Faulty or Sluggish Operation 2 41 Lack of lubrication drive arm as sembly pivot pins and shaft 2 42 Misalignment or damage to Drive arm and or pivot pins Linkage arms and or pivot pins Drive arm and cam gear shaft Cylinder rack gear and or cam gear 2 43 Mechanical binding 2 44 Restriction in hydraulic lines 2 45 Hydraulic fluid too thick due to cold climat
31. nd manual operating instructions before attempting operation Terminology Become familiar with the terminology that will be used throughout this manual Become familiar with the iden tification of RA300 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 and out will be used throughout this manual to indi cate direction as viewed from the outside of the vehicle looking directly at the ramp Refer to the Terminology lllustrations for clarification of direction terms RAMP TERMINOLOGY Ramp Components Refer to the Terminology lllustra tions on pages 2 and 3 Pan Weldment Housing The pan is the stainless steel casing mounted in the vehicle floor system which contains the hydraulic pump and electrical components that power the ramp electric hydraulic systems The fixed sub floor cover protects the components from above The cover is easily removed for ac cess to drive components The sub floor provides an antiskid surface for entry and exit when the ramp is deployed The stows folds onto the sub floor providing an unobstructed antiskid surface for entry and exit when the ramp is not in use Ramp Assembly The ramp assembly is made of an inboard ramp section stage one and an outboard ramp section stage two E
32. nger s wheelchair or other mobility aid Wheelchair passengers must determine establish and practice ramp boarding and exiting procedures under the direction of the their personal health care professional 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 Intoxi cated passengers should not be allowed to board or exit the vehicle RAMP OPERATION Ramp Passenger Safety A WARNING Position and fasten the wheelchair equipped occupant seat belt before loading onto the wheelchair ramp Failure to do so may result in serious bodily injury and or property damage 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 board ing and exiting the vehicle The attendant and or wheelchair passenger must ensure the ramp is fully deployed before exiting the vehicle Observe your passen gers 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 differen
33. nician only Failure to do so may result in serious bodily injury and or property damage FUNCTION SYMPTOM 1 10 No Power To Ramp Circuit Problem 1 00 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 Chassis ground connection frame ground cables Battery damaged Battery discharged 30 ampere in line fuse faulty Power cable Vehicle Interlock s circuit incomplete Vehicle to ramp wiring harness Chart The specific cause and remedy can then be determined by process of elimination Wiring Diagrams Electrical Schematics Hydraulic Diagrams and Hydrau lic Schematics are provided to aid in troubleshooting A Repair Parts section with an exploded view and corresponding parts list is also provided Correct 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 20 Replace Charge battery Replace fuse Check for loose terminals or broken wire Correct or replace Dis
34. opriate control switch for the end user A momentary contact ramp control switch center off Will typically be mounted near the driver The control switch may be part of a panel provid ing other features and controls power on off indicators LED s etc The Positive battery lead wire must be protected by an in line 30 ampere fuse or circuit breaker installer provided Do not connect the power bat tery lead wire to the battery until all other connections are made Connect the 8 pin Deutsch male plug to the mating Deutsch con nector mounted at the front of the pan details on page 21 Carefully connect the power battery lead wire to the Positive battery post AWARNING Route cables clear of exhaust system other hot areas and moving parts Failure to do so may result in serious bodily injury and or property damage Secure all cables using cable ties and or cable clips mount clips with self tap screws Figure Cable Clip ZA Cable Pd typical Cable Tie a amp Vehicle Floor Vehicle Framing Floor Member Self Tap Screw 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 Chassis Ground Corrosion When mounting chassis ground cables remove undercoating dirt rust etc from the framing membe
35. ped 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 equiped vehicle at all times Maintenance and lubrication procedures must be 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 EE The RA300 provides vehicle ac cess to wheelchair passengers or standees using other type mobil ity aids The commercial oriented 00 is operated by the transit vehicle driver attendant Unless your transit agency has a pub lished policy stating that driver at tendants do not aid ramp passen gers safe entering and exiting of ramp passengers is the responsi bility of the driver attendant General instructions for safe op eration of the ramp are provided Ramp safety and ramp passenger safety information is included Head and become familiar with all ramp opera
36. per operation instructions important safety important information as well as proper maintenance information regarding regarding how to procedures are necessary to en a potentially hazard avoid a hazardous sure safe trouble free operation ous situation that situation that could Safety precautions are provided could result in serious result in minor person to identify potentially hazardous bodily injury and or al injury or property situations and provide instruction property damage damage on how to avoid them 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 operation notes and details operating instructions and manual operating instructions before operating the ramp Note All transit agency personnel drivers and ramp at tendants must read and become familiar with the con tents of this manual and supplement s before operation If the operating instructions manual operating instructions and or ramp operation safety precautions are not fully understood contact The Braun Corporation immedi ately Failure to do so may result in serious A WARNING Load and unload on level surface onl
37. r around the mounting holes Apply a protective coat ing to mounting holes to prevent corrosion Failure to do so will void warranty of certain electrical components Page 20 RAMP INSTALLATION Electrical Connections BF3462Y CONNECTOR P1 B C 30136 WIRING PROVIDED BY INSTALLER 8 COND WIRE CODE S 2 POWER SOURCE 12 VEHICLE GROUND 12 GA TO USER STOW 14 GA TO POWER SOURCE 30 AMP CURCUIT PROTECTION DEVICE TO USER CONTROL SIGNAL TO STOW RAMP TO USER DEPLOY 14 GA PLUG NOT USED TO USER CONTROL SIGNAL TO DEPLOY RAMP MOMENTARY SWITCH O SIGNAL TO RAMP STOW INDICATOR lt TO VEHICLE GROUND PLUG NOT USED O SIGNAL TO RAMP DEPLOY INDICATOR RAMP STOW INDICATOR 14 GA Io nm oo m gt RAMP DEPLOY INDICATOR 14 RECOMMENDED WIRE GAUGE lt lt lt T 8 pin Deutsch Male Plug supplied with ramp Figure L 8 pin Deutsch Connector ramp equipped An 8 pin Deutsch connector is mounted at the front of the ramp pan see Figure L A mating 8 pin Deutsch connector male plug is supplied with the ramp Terminate the power supply the ground DEPLOY signal 4 DE PLOY indicator STOW signal and STOW indicator as specified in legend AWARNING Positive battery lead wire must be protected by installer provided 30 ampe
38. re fuse or circuit breaker Failure to do so may result in serious bodily injury and or 21 MAINTENANCE and LUBRICATION ww Lubrication Diagram Gear and Inboard Gear Rack Ramp Hinge internal LO DE Outboard concealed LO Assist Chain Assemblies LO Drive Arm and Cam Gear Shaft after Smooths or 1500 Cycles LO lt SN Drive Arm Slot DE Chains LO Note See the Maintenance Lubrication Schedule for recommended applications per number of cycles or elapsed time Specified recommended Available Braun Lubricant Lubricant Amount Part No i Light Penetrating Oil LPS2 General Purpose 16 oz LO Light Oil 30 weight or equivalent Penetrating Oil Aerosol Can Stainless Stick Door Ease 1 68 oz Style tube Stick tube Light Grease Lubricate Multipurpose DE Door Ease LG Light Grease Page 22 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 the transit agency daily service program Simple inspections can detect potential problems Preventive maintenance visual inspections do not take the place of the procedures specified in this schedule The maintenance and lubrication procedur
39. sional requirements speci fied in the Installation section The RASOO is specifically designed to be operated by an attendant The installer provides an appropriate control switch for the end user Consequently the operating instructions contained in this manual are generic due to the limitless variables Page 4 The RA300 provides fully automatic operation of ramp functions The electric hy draulic system is controlled by two relays which activate the hydraulic pump in opposite directions for deploy and stow functions powering dual acting hydraulic cylinders No sensi tive electronic controls or sen sors are required for operation RA300 model numbers with suffix Y are hydraulic fold with gravity down drift feature when deploying and stowing When deploying the ramp the motor stops running when the ramp reaches an approximate 45 angle The ramp continues to slowly lower the remaining distance by the force of gravity When stowing the ramp and it folds inward beyond the 15 shut off point gravity lowers the ramp to the pan The pressure relief valves built into the pump prohibit the ramp from lifting raising with ap proximately 40 pounds or more on the ramp Instructions are provided for manual operation of the ramp See Manual Operation on the following page for further details Head and become familiar with all operation safety precautions operation notes and details op erating instructions a
40. t or damage Blow out with air compressor Clean and lubricate Apply Door Ease Resecure adjust microswitches replace dam aged parts or otherwise correct as needed MAINTENANCE and LUBRICATION continued Consecutive 750 Cycle Intervals Hydraulic Fluid Pump Check level Note Fluid should be changed if there is visible contamination Inspect the hydraulic system cylinder hoses fittings seals etc for leaks if fluid level is low Inspect vehicle to ramp wiring harness Mounting Decals and Antiskid Repeat all previously listed inspection lubrica tion and maintenance procedures at 750 cycle intervals or per vehicle maintenance schedule Use Braun 32840 QT hydraulic fluid Exxon Univis 26 Do not mix with Dextron or other hydraulic fluids Check fluid level with ramp fully deployed Fill to maximum fluid level indicated on reservoir fill line molded in reser voir Do not overfill Resecure repair or replace or otherwise correct 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 Page 25 MICROSWITCH ADJUSTMENT ME A WARNING Improper microswitch adjustment may re sult in serious bodily injury and or property damage Microswitches Three micro switches limit swi
41. t types of wheel chairs 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 aware of ramp slope 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 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 wheelchair wheels pull wheelie when on the ramp Wheelc
42. tches are incorporated in the 00 electri cal system Ramp microswitches are Drift In Drift Out and Coun ter Adjust microswitch es as detailed if necessary only Microswitch Sequence Stowed Position When the ramp is in the stowed posi tion the Drift Out and Counter microswitches are deactivated common and normally closed terminals have continuity In contrast the Drift In microswitch is activated Deploy Sequence When the ramp is in the stowed position the Drift Out microswitch is deactivated Current is allowed to pass from the vehicle Deploy Relay which directs current to the bidirectional pump motor hydrau lically drives cylinders to deploy ramp When the ramp platform reaches the Drift In limit approximately 45 above ground level the Page 26 microswitch is activated common and normally open terminals have continuity and the current to the Deploy Relay is interrupted thus stopping the current to the pump motor The platform then drifts downward to ground level during which at some position the Drift Out microswitch is activated The Drift In microswitch is deactivated during the deploy movement of the platform Note Neither of the other 2 microswitches have any bearing on the deploy se quence Deployed Position When the ramp is in the deployed posi tion the Drift Out and Counter microswitches are activated In contrast the Drift In microswitch is deac
43. tion safety precau tions operation notes and de tails operating instructions and manual operating instructions before attempting ramp operation procedures or assisting ramp pas sengers boarding and exiting the vehicle 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 Access Doors 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 Page 8 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 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 Multiple interlocks may exist Instru
44. tivated Stow Sequence When the ramp is in the deployed posi tion the Drift In microswitch is deactivated allowing current to pass from the vehicle Stow switch circuit and energize the ramp Stow Relay which directs current to the bidirectional pump motor hydraulically drives cylinder to stow ramp When the ramp platform reaches the Drift Out limit approximately 45 above ground level and deactivates the microswitch the current to the Stow Relay will be interrupted VMICROSWITCH ADJUSTMENT Drift In Microswitch Cam 1 Turn Cam 1 counter clockwise to start Drift In function sooner shut pump off Turn Cam 1 clockwise to start Drift In function later allow ramp to stow further before pump shuts off Drift Out Microswitch Cam 2 Turn Cam 2 clockwise to start Drift Out function sooner shut pump off Turn Cam 2 counter clockwise to start Drift Out function later allow ramp to deploy further before pump shuts off Counter Microswitch Cam 3 Turn Cam 3 clockwise to start Interlock sooner Turn Cam 3 counterclockwise to return Interlock signal later Page 27 DEPLOY and STOW PRESSURE ADJUSTMENT W Hydraulics B 3202 0106 Hydraulic Pump Hydraulic Fluid Use Braun fully deployed Fill to maximum Fixed displacement external gear 32840 hydraulic fluid Exxon fluid level indicated on reservoir type hydraulic pump with 12 VDC Univ
45. ty precautions may result in serious bodily injury and or prop A WARNING Read this manual before performing installation operation or service procedures Failure to do so may result in serious bodily injury and or property damage Chassis Requirements The RA300 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 Floor Pocket Clear Opening Dimen sions are specified on pages 16 and 17 See Figures C D E and F The installer must provide an appropriate framework in the vehicle aligned center with door opening See Figure G Ramp assembly mounting hardware and or brackets are directly de pendant upon the vehicle chassis and floor pocket con figuration not supplied Slope The portion of the floor where the ramp mounts can range in slope from O to 9 5 see Figure D Outboard Support Tube An outboard support tube must be positioned under the outboard edge of the opening minimum 1 1 2 x 2 steel tube See Figures D and E The recom mended height of the support tube is 10 1 4 above ground level Kneeling Vehicles Mea sured with suspension lowered ADA Installations with the support tube positioned higher than 10 1 4 above ground level may not comply with ADA ramp slope requirements Some OEM chassis meet these specifications The
46. warranty work 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 one year from the manufacture date of the ramp The Braun warranty does not cover any defects in the motor vehicle on which the ramp 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 maintenance 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 solely by Braun the ramp is damaged through accident misuse or abuse or altered in any way THIS WARRANTY IS IN LIEU OF ALL IMPLIED WARRANTIES INCLUDING WARRANTIES OF MERCHANTABILITY FITNESS FOR A FARTICULAR 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 SPECIAL ARISING OUT OF OR IN CONNECTION WITH ITS PRODUCT To contact Braun or to obtain a list of Braun authorized dealers call 1 800 THE LIFT or visit our
47. web site at www braunlift com The Braun Corporation Winamac Indiana Return Authorization Procedure When processing any warranty claims parts repairs etc 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 the procedures required for processing returns and or authorizing credit The ramp identification information is provided on the Braun Serial No Series No identification tag and the two warranty cards supplied with ramp The lift identification information must be provided when filing a warranty claim or ordering parts e THE BRAUN Amm CORPORATION Providing Access to the World International Corporate Hdqrs Box 310 Winamac 46996 USA 1 800 THE LIFT 574 946 6153 FAX 574 946 4670 35883 December 2009 All illustrations descriptions and specifications in this manual are time of publication The Braun Corporation reserves the nght to mak dwiey wWsuelL OOFYWYy Ine Brar Corporzsior
48. y A WARNING Engage vehicle parking brake before operating ramp bodily injury and or AWARNING Provide adequate clearance outside the vehicle to accom property dar damage modate the ramp before opening lift door s or operating ramp AWARNING Inspect 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 Load and unload clear of vehicular traffic A WARNING Open ramp door s fully and secure before operating ramp A WARNING Do not overload or abuse The rated capacity is 300 kilograms 660 pounds Page 6 RAMP OPERATION Ramp Operation Safety Precautions A WARNING A WARNING A WARNING A WARNING A WARNING A WARNING A WARNING A WARNING A WARNING A WARNING A WARNING A WARNING AWARNING A WARNING A WARNING 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 The wheelchair passenger and or attendant must ensure the ramp is fully deployed before exiting the vehicle 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 equip
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