BraunAbility RA400 Operator, Installation, Service Manual

Transit ramp

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Operator/Installation/Service Manua

Manufacturing Revision Level: Rev. B

406891

Manual Rev. B

February 2024

RA400

Transit Ramp

NRFC31X49AR

Commercial

Low-Floor Vehicles

631 West 11th Street, Winamac, IN 46996, USA

Phone: +1 574 946 6153 • Fax: +1 574 946 4670

www.braunability.com

W ARNING

Read manual

before installing

or servicing lift.

Failure to do so

may result in

serious bodily

injury and/or

property damage.

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Summary of Contents for BraunAbility RA400

Page 1 Operator/Installation/Service Manua RA400 Transit Ramp NRFC31X49AR Manufacturing Revision Level: Rev. B Commercial Low-Floor Vehicles W ARNING 631 West 11th Street, Winamac, IN 46996, USA Phone: +1 574 946 6153 • Fax: +1 574 946 4670 www.braunability.com Read manual before installing or servicing lift.
Page 2 A second I.D. tag is posted on the backside of the pan cover. I.D. tags have the product Login to BraunAbility portal to submit warranty identification information needed to file a warranty registration. A copy of the warranty is provided in claim or to order parts.
Page 3 Installation Instructions Installation Requirements......... 14 Ramp Dimensions ............. 38 Chassis Requirements ..........14 Door Opening ............14 Limited Warranty ......39-41 BraunAbility ® Obstructions ............. 15 Installation Illustrations ........15-17 Electrical Connections ..........18 Electrical Connection Illustration ......19 Page 1...
Page 4 RAMP TERMINOLOGY Ramp Terminology Illustration Refer to the illustration below and the illustrations on page 3 for identification of components and clarifica- tion of direction terminology. Cover Weldment Vertical Side Plate (Barrier) Ramp Right Left As viewed from outside the vehicle Front Inboard Page 2...
Page 5 RAMP TERMINOLOGY Ramp Component Terminology Illustrations Pump Cylinder Relays Pan Weldment Detent Plunger (Anti-Rattle) Actuator Bar Adjustment Cam Outer Cover Chain Tensioner Cylinder Electrical Connection Microswitch Cams Detent Plunger (Anti-Rattle) Actuator Bar Adjustment Cam Left Chain Tensioner Note: Top layer of the pan weldment has been made translucent in these illustrations Right...
Page 6 When deploying the ramp, your sales representative or call nal hydraulic lines or pre-assem- the motor stops running when the BraunAbility at 1-800-488-0359 bly. The hydraulic and electrical ramp reaches an approximate 45° any of this information is not fully components are internal and easi- before ground level.
Page 7 RAMP TERMINOLOGY Ramp Components surface for entry and exit Drive Assembly: The dual cylin- Pan Weldment (Housing): The pan is the stainless steel when the ramp is deployed. The der driven chain drive assemblies casing mounted in the vehicle ramp stows (folds) onto the sub deploy and stow the ramp assem- floor providing an unobstructed bly.
Page 8 Load and unload on level surface only. contact BraunAbility immediately. Failure Engage vehicle parking brake before operating ramp. to do so may result in serious bodily injury...
Page 9 Do not use accessory devices not authorized by BraunAbility ® Do not remove any guards or covers. If the information contained in this manual is not fully understood, contact BraunAbility ® immediately. Failure to follow these safety precautions may result in serious bodily injury and/or prop- erty damage.
Page 10 Ramp safety and ramp passenger any abnormal condition. Discon- mobility aids. This commercial safety information is included. tinue use immediately and contact oriented ramp is operated by the BraunAbility 1-800-488-0359 ® One of our Aftersales representa- transit vehicle driver/attendant. Read and become familiar with...
Page 11 If this information is is understood. not fully understood, contact BraunAbility immediately. Failure to do so may result in serious bodily injury and/or property dam- age.
Page 12 RAMP OPERATION Ramp Power Operation The power ramp is attendant operated and activated Before operating the ramp, park the vehicle on a by the control switch provided by the vehicle con- level area, away from vehicular traffic. Place the verter (ramp installer). A momentary contact ramp vehicle transmission in “Park”...
Page 13 RAMP OPERATION Ramp Manual Operation If you experience power or equipment failure, Manual the ramp can be manually stowed and de- Strap ployed. The ramp must be manually operated by an attendant. Carefully deploy and stow the ramp. A manual strap is provided on the right side of the ramp (see Figure A).
Page 14 Keep clear of area in which ramp operates. RAMP OPERATION Ramp Passenger Safety (Continued) W ARNING Be aware of Position and fasten ramp slope. the wheelchair- equipped occupant seat belt before loading onto the wheelchair ramp. 52217 Failure to do so may result in serious Stabilizing Wheelchairs: Pow- Wheelchair passengers who...
Page 15 RAMP INSTALLATION Safety Symbols Know That..SAFETY FIRST! All information contained in this manual and supplements (if included), is pro- This symbol indicates This symbol indicates vided for your safety. Familiarity important safety with proper operation instructions important informa- information regarding tion regarding how to as well as proper maintenance a potentially hazard-...
Page 16 RAMP INSTALLATION Installation/Service Safety Precautions (Continued) Keep hands, arms and all other body parts clear of moving parts. Never modify (alter) a BraunAbility ramp. ® Replacement parts must be BraunAbility authorized replacements. ® Never install screws or fasteners (other than factory equipped).
Page 17 RAMP INSTALLATION When closed, the door(s) should Obstructions: Any intrusive ob- There must be a minimum 1/8” align with and conform to the structions within the door opening clearance between the deployed outboard edge of the ramp pan or the ramp mounting/operating ramp assembly and the vehicle (rubber seal on bottom of door).
Page 18 RAMP INSTALLATION "Floor Pocket" Clear Opening Dimensions Figure C Right Left As viewed from outside the vehicle Front Inboard Clear Door Opening Width Dimension (of vehicle) (driver's side) Figure D Rear Outboard (of vehicle) (passenger's side) The 1/2" clearance on each side of the ramp “Arrows/30°-30°”6-13-90 also applies to items...
Page 19 RAMP INSTALLATION Installed Ramp -Stowed Figure E Stowed ramp posi- Right tioned in the “floor pocket.” Left As viewed from outside the vehicle Front Inboard Installed Ramp - Deployed (of vehicle) (driver's side) Figure F Rear Outboard (of vehicle) (passenger's side) “Arrows/30°-30°”6-13-90 Right There must be a minimum 1/8”...
Page 20 RAMP INSTALLATION Electrical Connections The ramp installer provides an appropriate control switch for the end user. A momentary contact Route cables clear ramp control switch (center off) of exhaust system, will typically be mounted near other hot areas and the driver. The control switch moving parts.
Page 21 RAMP INSTALLATION Electrical Connection Illustration The ramp installer provides an ap- An 8-pin Deutsch connector (male propriate momentary contact control plug) will be also be supplied by ramp switch to operate Stow and Deploy installer to interface with ramp. Ter- functions.
Page 22 MAINTENANCE and LUBRICATION Lubrication Diagram See the Maintenance/Lubrication Schedule for recommended applications per number of cycles or elapsed time. Left & Right Drive Assembly Bearings Outboard Pivot Shaft Bearings Gears and Gear Racks Cover Hinge Drive Chain Specified (recommended) Available Braun Lubricant Type...
Page 23 Specified operation. Contact your sales representative or call lubricants are available from BraunAbility (part BraunAbility at 1-800-488-0359 . One of our Aftersales numbers provided on page 20). representatives will direct you to an authorized service technician who will inspect your ramp.
Page 24 MAINTENANCE and LUBRICATION continued Cycle ramp and observe drift speed during If drifts too fast, adjust applicable Drift Micros- deploy and stow functions witch Cam so drift begins at reduced height. 8 Weeks Inspect ramp for wear, damage or any abnor- Correct as needed or 200 mal condition.
Page 25 MAINTENANCE and LUBRICATION continued Hydraulic Fluid (Pump) - Check level. Note: Flu- Use BraunAbility 406415 hydraulic fluid (Dura- id should be changed if there is visible contam- guard Hi-Tek Ultra HVI-26). Do not mix with ® ination. Inspect the hydraulic system (cylinder, Exxon Univis HVI 26 or other hydraulic fluids.
Page 26 MICROSWITCH ADJUSTMENT Microswitches: Three micros- witches (limit switches) are incor- porated in the electrical system. Improper microswitch Ramp microswitches are: Drift-In, adjustment may re- Drift-Out and Counter. Adjust sult in serious bodily microswitch(es) as detailed (if injury and/or property necessary only). damage.
Page 27 MICROSWITCH ADJUSTMENT Figure K Drift-In Microswitch (Cam 1) Turn Cam 1 clockwise to start Drift In function sooner (shut pump off). Turn Cam 1 counter-clockwise to start Drift In function later (allow ramp to stow further before pump shuts off). Drift-Out Microswitch (Cam 2) Turn Cam 2 counter-clockwise to start Drift Out function sooner (shut pump off).
Page 28 DEPLOY and STOW PRESSURE ADJUSTMENT Hydraulics Fixed dis- Hydraulic Fluid: Use BraunAbility with ramp fully deployed. Fill to Hydraulic Pump: placement external gear type 406415 hydraulic fluid (Duraguard maximum fluid level indicated on ® hydraulic pump with 12 VDC Hi-Tek Ultra HVI-26). Do not mix...
Page 29 CHAIN, STOW DETENT & OUTER COVER ADJUSTMENT Chain Adjustment Chain Installation Tension 1. Ramp must be in the stowed position. The drive chain tension should be checked periodically. Both chains should be adjusted 2. Tensioner should be positioned closer to drive evenly.
Page 30 If property damage. function and related symptom in the problem continues, contact the Troubleshooting Diagnosis BraunAbility ® FUNCTION SYMPTOM POSSIBLE CAUSE REMEDY Clean and tighten 1.11 Battery terminals dirty 1.12 Chassis ground connection (frame...
Page 31 Check and correct 2.33 Deploy pressure relief valve setting Adjust relief valve setting. too low 2.34 Low hydraulic fluid supply. Note: Use BraunAbility 406415 hydraulic fluid Fluid should be changed if there is (Duraguard Hi-Tek Ultra HVI-26). Do not ®...
Page 32 2.38 Pump Runs Adjust relief valve setting. 3.42 Stow pressure relief valve setting 3.00 too low Doesn’t STOW Contact BraunAbility AfterSales - 3.43 Stow pressure relief valve stuck ® Stow open due to contamination or other- replace pump (In) wise damaged 3.50...
Page 33 BLANK for LAYOUT Page 31...
Page 34 HYDRAULICS Hydraulic Schematic Cylinder, Double Description Symbol Acting Cylinder, Double Pump, Bidirectional Description Symbol Relief Valve Acting Displacement Pump, Bidirectional Pump Motor, Relief Valve Check Valve Displacement Bidirectional Pump Motor, Flow Control Check Valve Bidirectional Hydraulic Port Valve Flow Control Hydraulic Port Fixed Orifice Filter Screen...
Page 35 HYDRAULICS Hydraulic Diagram and Parts List ITEM DESCRIPTION PART # Fitting - 7/16 O-Ring x 4 JICM (FG6400) 24504 Fitting - 7/16 O-Ring x 4 JIC Male (FG6400) 402043 Fitting - Swivel Nut Branch Tee - 7/16 Male JIC37* 400230 Elbow - 45* - 7/16-20 + 7/16-20 SAE Male O-Ring 24505 Hose Assembly - 13.75"...
Page 36 ELECTRICAL Electrical Schematic POWER CONNECTIONS / CONTROL SIGNALS (PROVIDED BY INSTALLER) SYMBOL KEY DESCRIPTION SYMBOL SIGNAL TO RAMP DEPLOY INDICATOR 14 GA. CYCLE COUNTER (LOW TO HIGH OUTPUT) BATTERY 14 GA. SIGNAL TO RAMP STOW INDICATOR CHASSIS GROUND 14 GA. USER CONTROL SIGNAL TO STOW RAMP CIRCUIT PROTECTION DEVICE 14 GA.
Page 37 ELECTRICAL Wiring Diagram "DRIFT IN MICROSWITCH" "DRIFT OUT HARNESS" STOW RELAY #2 DEPLOY RELAY # 1 CONNECTIONS CONNECTIONS "DRIFT OUT MICROSWITCH" CONNECTIONS 2-COND WIRE CODE 2-COND WIRE CODE COLOR COLOR RELAY #2 - WIRE CODE RELAY #1 - WIRE CODE RED - 20 GA.
Page 38 REPAIR PARTS Exploded View NOTES: *APPLY SCOTCH-WELD THREADLOCKER BLUE TL42 (BRAUNABILITY #18822) SHIP OUT KITS OR EQUIVALENT TO THREADS ON IDENTIFIED HARDWARE. DESCRIPTION PART # ITEMS INCLUDED ARBOC RAMP ASSEMBLY KIT SHIPOUT 405501AKS 7,8,9,10,61,62 ASSY REAR DRIVE ASSEMBLY KIT SHIPOUT...
Page 39 REPAIR PARTS Parts List ITEM DESCRIPTION PART # SCREW-#10-32 X 1/4" BHSC 28455 DETENT PLATE 406372 HARNESS-MAIN BF3462Y-2BC BF34006A RIVET POP SD66BS 3/16" - .25/.38" AUTO BLACK 14993 WASHER #10 FLAT AUTO BLACK 11541 NYLON LOOP MANUAL BACKUP RA40507 WASHER- .25"ID X 1"OD X .062" SS 83503 STAINLESS STEEL DETENT PLUNGER W/THREAD LOCKER 406362...
Page 40 RAMP DIMENSIONS NOTES: NET WT.: 200 LBS. RAMP CAPACITY: 1000 LBS. POWER REQUIREMENT: 25 AMP FUSED CIRCUIT (13°) (12.946) (31.009) USABLE RAMP WIDTH (31.509) OUTER RAMP WIDTH (31.867) WIDEST SECTION THRU DOOR 36.860 0.000 4.640 14.640 FOR 1/4" FL HD SCR 10X 24.640 (49.86) 34.640...
Page 41 BraunAbility LIMITED WARRANTY ® WARRANTY COVERAGE AND WARRANTY COVERAGE TIME PERIODS BraunAbility (“Braun”) warranty covers certain parts of this wheelchair lift for three (3) years or 10,000 ® cycles and the cost of labor to repair or replace those parts for one (1) year or 3,000 cycles. This limit- ed warranty covers substantial defects in materials and workmanship of the lift, provided that the lift is operated and maintained properly and in conformity with the owner’s manual.
Page 42 BraunAbility LIMITED WARRANTY ® Some states do not allow limitations on how long an implied warranty lasts, or the exclusion or limitation of incidental or consequential damages, so the above limitations or exclusions may not apply to you. HOW TO GET SERVICE To obtain warranty service the owner must do all of the following: 1.
Page 43 BraunAbility LIMITED WARRANTY ® EVENTS DISCHARGING BRAUN FROM OBLIGATION UNDER WARRANTY The following shall completely discharge Braun from any express or implied warranty obligation to repair or replace anything and void this warranty: misuse, neglect, collision, accidents, failure to provide routine maintenance (See Owner’s Manual), unauthorized alteration, off road use, Acts of Nature, damage from...
Page 44 Operator/Installation/Service Manua RA400 Transit Ramp NRFC31X49AR Manufacturing Revision Level: Rev. B Commercial Low-Floor Vehicles 631 West 11th Street, Winamac, IN 46996, USA Phone: +1 574 946 6153 • Fax: +1 574 946 4670 www.braunability.com 406891 Manual Rev. B February 2024 All illustrations, descriptions and specifications in this manual are based on the latest product information available at the time of publication.

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