Braun RA300 manual

Operator's/Installation/Service Manual for Low-Floor T ransit V ehicles 33778 Mar ch 2007 Braun RA300 T ransit Ramp Braun RA300 T ransit Ramp W A RN I N G ual Man Read manual before operating, installing or servicing ramp. Failure to do so may result in serious bodily injury and/or property damage. Braun RA300 T ransit Ramp Commer cial Braun R[...]

Congratulations W e at The Braun Corporation wish to expr ess our fullest appreciation on your new pur chase. 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. [...]

Page 1 CONTENTS Ramp T erminology Ramp T erminology Illustration .................................... 2 Ramp Components T erminology Illustration ............. 3 Introduction .................................................................... 4 T erminology ................................................................ 4 Direction ..............[...]

Page 2 RAMP TERMINOLOGY Refer to the illustration below and the illustrations on SDJHIRULGHQWLÀFDWLRQRIFRPSRQHQWVDQGFODULÀFD - tion of direction terminology . Details regarding lift model variations, terminology , direction and compo- nents are provided on pages 4 and 5. As viewed from outside the vehicle LEFT RIGHT OUT IN[...]

Page 3 Note: The tension cable, sub ÁRRUDQGWUDQVLWLRQWKUHVKROG plate removed from these illus- trations for clear view . RAMP TERMINOLOGY Ramp Components T erminology Illustration Cylinder As viewed from outside the vehicle OUT IN RIGHT LEFT Pan Weldment Pump Ramp Drive Arm Relays Counter Cable T ension Gas Spring Pump Ramp Drive Arm C[...]

Page 4 Introduction Braun RA300 Series T ransit Ramps (to be referred to as RA300 throughout this manual) DUHGHVLJQHGIRUXVHLQORZÁRRU transit vehicles. The RA300 provides vehicle access to people with disabilities (wheelchair pas- sengers or standees using other type mobility aids). The commer- cial oriented ramp is ADA compli-[...]

Page 5 Ramp Components Refer to the T erminology Illustra- tions on pages 2 and 3. Pan Weldment (Housing): The pan is the stainless steel (casing) mounted in the vehicle ÁRRUVVWHPZKLFKFRQWDLQVWKH hydraulic pump and electrical components that power the ramp electric/hydraulic systems. The À[HGVXEÁRRUFRYHUSURWHFWVWKH[...]

Page 6 Ramp Operation Safety Precautions W A RN I N G If the ramp 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 bodily injury and/or property damage. Read manual and supplement(s) before ope[...]

Page 7 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 [...]

Page 8 Attendants must become familiar with the vehicle ramp access door system and interlock(s), as well as the proper operation of the ramp. V ehicle ramp access door con- ÀJXUDWLRQVDQGRSHUDWLRQSURFH - dures vary . Ensure the ramp door is fully open before activating the ramp (an interlock typically pre- vents ramp operation unless the [...]

Page 9 W A RN I N G Read and 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 inju[...]

Page 10 W A RN I N G Provide adequate clearance outside of vehicle to ac- commodate ramp. Failure to do so may result in serious bodily injury and/or property damage. 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 ramp control sw[...]

Page 1 1 Ramp Manual Operation If you experience power or equipment failure, the ramp can be manually stowed and deployed. The RA300 ramp must be manually operated by an at- tendant. T wo oval-shaped HAND HOLD slots are provided on the ramp (see Figure A). Carefully unfold and fold the ramp using the HAND HOLDs. Keep clear of the area in which the [...]

Page 12 W A RN I N G 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. attendant and/or wheelchair pas- senger must ensure the ramp is fully deployed before exiting the vehicle. Observe your passen- gers at all times w[...]

Page 13 W A RN I N G 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. W A RN I N G Read this manual and supplement(s) [...]

Page 14 Disconnect the power cable at the battery prior to servicing. Keep hands, arms and all other body parts clear of moving parts. Never modify (alter) a Braun Corporation ramp. Replacement parts must be Braun authorized replacements. Never install screws or fasteners (other than factory equipped). Whenever replacing a hydraulic cylinder or sea[...]

Page 15 RAMP INST ALLA TION Door Opening: Open the door(s) fully and check the clear door opening width dimension. Speci- ÀHGPLQLPXPFOHDUGRRURSHQ - ing width must be provided (34" for 32" ramps and 39-1/2" for 37" ramps). See Figure F . Door(s) must open outward . When closed, the door(s) should align with and confo[...]

Page 16 Chassis SUPPORT TUBE 23" Floor Pocket Width Floor Pocket Width: 34-3/4 " for 32" Ramp 39-3/4 " for 37" Ramp RAMP INST ALLA TION Note: See Figure B and C also. Figur e E "Floor Pocket" Clear Opening Dimensions As viewed from outside the vehicle Left Right Out In Chassis Chassis C L C L Minimum Door Opening [...]

Page 17 RAMP INST ALLA TION Installed Ramp - Stowed Chassis Chassis SUPPORT TUBE Stowed RA300 Ramp positioned in WKH´ÁRRUSRFNHWµ Figur e G Installed Ramp - Deployed There must be a minimum 1/8” clearance between the deployed ramp assembly and WKHYHKLFOHÁRRURUDQREVWUXFWLRQ on the ÁRRUVXFKDVDUXEEHUVLO[...]

Page 18 W A RN I N G W A RN I N G Risk of electrical shock! Use extra care when making electrical connec- tions. 5LVNRIHOHFWULFDOÀUH  Use extra care when making electrical connections. W A RN I N G Cable Clip Cable T ie Cable (typical) V ehicle Floor V ehicle Floor Framing Member Self-T ap Screw Secure all cables using cable ties[...]

Page 19 Electrical Connections Illustration Positive (+) battery lead wire must be protected by installer-provided 30 ampere fuse or circuit breaker . Failure to do so may result in serious bodily injury and/or property damage. W A RN I N G 8-pin Deutsch Male Plug (supplied with ramp) 8-pin Deutsch Connector (ramp equipped) An 8-pin Deutsch connect[...]

Page 20 ® 6SHFLÀHGUHFRPPHQGHG $ YDLODEOH %UDXQ Lubricant T ype Lubricant Amount Part No. LO - Light Oil DE - Door-Ease Light Grease Lubricate 14 oz. (Multipurpose) Can LG - Light Grease 15807 15806 15805 Light Penetrating Oil LPS2, General Purpose 1 1 oz. (30 weight or equivalent) Penetrating Oil Aerosol Can Stainless Stick Door-Ea[...]

Page 21 MAINTENANCE and LUBRICA TION 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 Ma[...]

Page 22 Perform all procedures listed in previous section also 1 Y ear or 1250 Cycles continued 8 W eeks or 200 Cycles MAINTENANCE and LUBRICA TION Clean and lubricate. Apply Light Oil - See Lubrication Diagram Apply Door-Ease. See Lubrication Diagram T ighten, replace or correct as needed. Correct as needed Clean and remove debris or obstructions [...]

Page 23 continued Repeat all previously listed inspection, lubrica- tion and maintenance procedures at 8 week or 200 cycle intervals (or per vehicle maintenance schedule). Consecutive 8 Week or 200 Cycle Intervals 1 Y ear or 1250 Cycles MAINTENANCE and LUBRICA TION Hydraulic Fluid (Pump) - Check level. Note: Fluid should be changed if there is visi[...]

Page 24 Electrical Improper microswitch adjustment may re- sult in serious bodily injury and/or property damage. W A RN I N G Microswitches: Three micro- switches (limit switches) are incorporated in the RA300 Ramp electrical system. "Y" ramp mod- els microswitches are: Drift-In, Drift-Out and Counter . The "YP" ramp model also [...]

Page 25 SYSTEMS DESCRIPTIONS Electrical (Continued) Drift In Microswitch (Cam 1 - All RA300 Models) T urn Cam #1 counter-clockwise to start Drift In function sooner (shut pump off). T urn Cam #1 clockwise to start Drift In function later (allow ramp to stow further before pump shuts off). Drift Out Microswitch (Cam 2 - All RA300 Models) T urn Cam #[...]

Page 26 M-2202-0102 Hydraulic Pump: Fixed displacement external gear type hydraulic pump with 12 VDC electric motor and 76 cubic inch ÁXLGUHVHUYRLUIRU9%)< and 12V BF3748Y . The Braun Pump Code for 12 volt M-2202- 0102 pumps is 59 . M-2202-0102 Hydraulic Pump: Fixed displacement external gear type hydraulic pump [...]

Page 27 Figur e Q Figur e S Figur e R Drift IN Speed (Cam 2): Drift in cam controls the speed that the ramp moves when the ramp is almost fully stowed and the motor shuts off. 1. Loosen the set screw in the drift in cam. 2. Rotate counter-clockwise to slow down the stow- ing and clockwise to speed up the stowing of the ramp. 3. T ighten set screw .[...]

Page 28 W A RN I N G T roubleshooting and repair procedures must be performed DVVSHFLÀHGEDQ authorized service technician only . Failure to do so may result in serious bodily injury and/or property damage. If a problem occurs with your ramp, discontinue operation immediately! Contact your sales representative or call The Braun Corpora[...]

Page 29 TROUBLESHOOTING Activate Stow function until ramp is out of the Deploy “Drift Out” range. Then activate Deploy function. Remove obstruction Check and correct $GMXVWUHOLHIYDOYHVHWWLQJ6HH6VWHPV Descriptions for details. Use Braun 32840-QT (Exxon ® Univis HVI KGUDXOLFÁXLG do not mix with Dex[...]

Page 30 3.00 STOW (In) FUNCTION SYMPTOM POSSIBLE CAUSE REMEDY TROUBLESHOOTING 3.1 1 See 1.00 'ULIW,Q0LFURVZLWFKRXWRIDGMXVW - ment or damaged 3.13 Drift In Microswitch harness discon- nected, damaged or otherwise damaged 3.21 Ramp was stopped within the Stow “Drift In” range during Deploy func- tion ("Y[...]

Page 31 BLANK for LA YOUT[...]

Page 32 H G F E D C B A M M BA TTERY CHASSIS GROUND CIRCUIT PROTECTION DEVICE JUNCTION MOTOR COUNTER MICROSWITCH RELA Y SYMBOL DESCRIPTION P1 H G F E D C B A J1 NC NO C NC NO C NC NO C 86 4 3 1 2 12 GA. OR 12 GA. BK 12 GA. BK 16 GA. BL/BK 16 GA. BN/BK 12 GA. BK 12 GA. BK 16 GA. OR/BK 16 GA. OR/BK 16 GA. YL 16 GA. OR/BK 16 GA. WH 16 GA. YL 12 GA. BK[...]

Page 33 D C B A COLOR PIN 8-COND WIRE CODE H G F E RED - 12 GA. BLACK - 12 GA. MOTOR - ORANGE 87 86 85 30 COLOR LOC. RELA Y #1 - WIRE CODE BLACK - 12 GA. 87a RED - 12 GA. BLACK - 12 GA. BLUE / BLACK - 16 GA. MOTOR - BLUE 87 86 85 30 COLOR LOC. BLACK - 12 GA. 87a CONNECTOR - J1 DEPLOY RELA Y (RELA Y - 1) STOW RELA Y (RELA Y - 2) CONNECTOR - P1 (B.C.[...]

Page 34 TROUBLESHOOTING Electrical Schematic - BF3248YP H G F E D C B A M M BA TTERY CHASSIS GROUND CIRCUIT PROTECTION DEVICE JUNCTION MOTOR DIODE COIL COUNTER MICROSWITCH RELA Y SYMBOL DESCRIPTION P1 H G F E D C B A J1 NC NO C NC NO C NC NO C 86 4 3 1 2 PUMP "DRIFT IN" MICROSWITCH RELA Y 1 PRESSURE SWITCH USER CONTROL SIGNAL T O STOW RAM[...]

Page 35 TROUBLESHOOTING Wiring Diagram - BF3248YP D C B A COLOR PIN 8-COND WIRE CODE H G F E RED - 12 GA. BLACK - 12 GA. MOTOR - BLUE 87 86 85 30 COLOR LOC. RELA Y #1 - WIRE CODE BLACK - 12 GA. 87a NOT USED BLACK - 12 GA. ORANGE / BLACK - 14 GA. WHITE - 14 GA. & WHITE - 14 GA. 87 86 85 30 COLOR LOC. BLUE / BLACK - 14 GA. 87a CONNECTOR - J1 RELA[...]

Page 36 Pump, Bidirectional Displacement 69 BAR 1000 PSI .033 .020 Pump Motor , Bidirectional Flow Control V alve Fixed Orifice 3 W ay 2 Position Shuttle V alve M M Description Symbol Reservoir , V ented Relief V alve Check V alve Hydraulic Port Filter Screen 86 BAR 1250 PSI Cylinder , Double Acting HYDRAULICS Hydraulic Schematic - BF3248Y & BF[...]

Page 37 HYDRAULICS 1 1 Cylinder - 1514.3 - Compact C1514.3-9800 C1514.3-9800 2 1 Cylinder - 1514.3 - Compact C1514.3-9900 C1514.3-9900 3 1 Pump - Power Unit - Hydraulic - RA300 31698-12V or 24V* 31698-12V or 24V* 4 1 Hose Assembly - 6" - 1/8" Dia - SW/SW 16004A-006 - 5 2 Hose Assembly - 10" - 1/8" Dia - SW/SW 16004A-010 - 6 3 Ho[...]

Page 38 HYDRAULICS Hydraulic Schematic - BF3248YP Pump, Bidirectional Displacement 69 BAR 1000 PSI Pump Motor , Bidirectional Flow Control V alve Fixed Orifice 3 W ay 2 Position Shuttle V alve M M Description Symbol Reservoir , V ented Relief V alve Check V alve Hydraulic Port Filter Screen PRESURE SWITCH COIL B COIL A COIL R D PD C PC T RL .020 34[...]

Page 39 HYDRAULICS 1 1 Cylinder - 1514.3 - Compact C1514.3-9800 2 1 Cylinder - 1514.3 - Compact C1514.3-9900 3 1 Pump - Power Unit - 12V Hydraulic - RA300 33364 4 1 Switch - Pressure 31 199 5 1 Hose Assembly - 8" - 1/8" Dia - SW/SW 16004A-008 6 1 Hose Assembly - 10" - 1/8" Dia - SW/SW 16004A-010 7 1 Hose Assembly - 12" - 1/[...]

Page 40 1 1 Pan - Weldment BF00267WY BF37304WY BF00267WY 2 1 Drive Arm - Left - Weldment BF00261L WBKN BF00261L WBKN BF00261L WBKN 3 1 Drive Arm - Right - Weldment BF00261RWBKN BF00261RWBKN BF00261RWBKN 4 2 Gear Rack - Weldment RA40402WBKN RA40402WBKN RA40402WBKN 5 2 Bearing Strip RA40105 RA40105 RA40105 6 4 Bearing - Flange - 3/4" x 1/4"[...]

® Page 41A Page 42A EXPLODED VIEW 69 72 1 3 20 4 4 5 5 6 6 6 7 7 8 8 9 10 11 11 15 13 14 15 16 17 18 19 19 20 22 22 23 23 24 24 24 24 24 24 25 26 27 28 43 29 29 30 31 32 33 32 33 35 35 34 34 37 36 36 37 38 39 40 42 28 44 45 45 46 47 50 51 52 58 54 53 58 63 61 62 62 61 63 64 64 70 70 71 71 57 57 22 57 57 63 57 24 63 63 24 22 6 2 57 60 63 57[...]

Unfold for: Bifold Ramp Exploded View Page 41B Page 42B SPECIFICA TION AND DIMENSIONS Stowed View Deployed View Power Unit : Hydraulic Pump Module V oltage: 12 VDC (Optional 24 VDC) Current: 25 Amps (Max) Inputs Required: +12 V olt Supply (-) Ground Ramp “Out” Signal (+) Ramp “In” Signal (+) Interlock Signal Notes: Mounting holes/brackets p[...]

Page 41 Page 43 V ehicle Number: Inspector: Date: Pre-T rip 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 activated as intended? Does the lift control switch function [...]

Over 300 Braun Dealers W orldwide "Pr oviding Access to the W orld" ® "Pr oviding Access to the W orld" International Corporate Hdqrs: P .O. Box 310 Winamac, IN 46996 USA 1-800-THE LIFT ® (574) 946-6153 FAX: (574) 946-4670 ®[...]

All illustrations, descriptions and specifications in this manual are based on the latest pr oduct information available at the time of publication. The Braun Corporation reserves the right to make changes at any time without notice. All illustrations, descriptions and specifications in this manual are based on the latest pr oduct information avail[...]