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Operator's/Installation/Service Manual
Braun
Braun
Commercial
RA500 Transit Ramp
RA500 Transit Ramp
for
Low-Floor Transit Vehicles
"Providing Access to the World"
International Corporate Hdqrs: P .O. Box 310
1-800-THE LIFT
®
(574) 946-6153
32848 Rev. A
August 2006
®
®
Winamac, IN 46996 USA
FAX: (574) 946-4670
W ARNING
Read manual
before operating,
installing or
servicing ramp.
Failure to do so
may result in
serious bodily
injury and/or
property damage.
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Table of Contents
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Summary of Contents for Braun RA500
- Page 1 Operator's/Installation/Service Manual Braun Braun Commercial RA500 Transit Ramp RA500 Transit Ramp Low-Floor Transit Vehicles "Providing Access to the World" International Corporate Hdqrs: P .O. Box 310 Winamac, IN 46996 USA 1-800-THE LIFT ® (574) 946-6153 FAX: (574) 946-4670 32848 Rev. A...
- Page 2 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.
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Page 3: Table Of Contents
Ramp Terminology Ramp Terminology Illustration ... 2 Ramp Components Terminology Illustration ... 3 Introduction ... 4 Ramp Components ... 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 ... -
Page 4: Ramp Terminology
RAMP TERMINOLOGY 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 (Fixed) Figure A Threshold Plate... -
Page 5: Ramp Components Terminology Illustration
RAMP TERMINOLOGY Ramp Components Terminology Illustration Chain Drive Electric Motor Figure B Carrier Plate Pan Weldment Mounting Tab (Qyt 0) Ramp Hand Hold RIGHT Note: The sub floor and transition threshold plate LEFT are removed from this illustration. As viewed from outside the vehicle Inboard Front Page 3... -
Page 6: Introduction
RAMP TERMINOLOGY 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 RA500 provides vehicle access to people with disabilities (wheelchair passen- gers or standees using other type mobility aids). -
Page 7: Ramp Components
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. -
Page 8: Ramp Operation
If the ramp operating instructions, manual operating instructions and/or ramp operation safety precautions are not fully understood, W ARNING contact The Braun Corporation immedi- W ARNING ately. Failure to do so may result in serious W ARNING bodily injury and/or property damage. - Page 9 W ARNING Do not remove any guards or covers. W ARNING If the information contained in this manual is not fully understood, contact The Braun Corporation immediately. W ARNING Failure to follow these safety precautions may result in serious bodily injury and/or prop- erty damage.
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Page 10: Operation Notes And Details
(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... -
Page 11: Operation Procedure Review
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. -
Page 12: Ramp Power Operation
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”... -
Page 13: Power Ramp Safety
Keep clear of area in which ramp operates. W ARNING Be aware of ramp slope. RA500 001.ai performing safe passenger load- ing and unloading procedures. Observe your passengers at all times when they are entering and exiting the vehicle. Attendants... -
Page 14: Ramp Manual Operation
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 Push T-handle in fully and and E). - Page 15 3. Push the “T” handle fully inward until handle contacts shaft shoulder (3" to 4"). Step 2 RA500 Isometric 005.ai 4. Grasp the platform Hand Hold and move the platform slightly outward until platform locks into position (secured by re- engaging the carriage assem- bly with the drive chain).
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Page 16: Ramp Passenger Safety
(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... - Page 17 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 wheelchair wheels (pull wheelie) when on the ramp. Wheelchair passengers who intend to enter and exit the vehicle without the assistance of...
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Page 18: Ramp Installation
W ARNING instructions are not fully understood, W ARNING contact The Braun Corporation immedi- ately. Failure to do W ARNING so may result in serious bodily injury and/or property W ARNING damage. - Page 19 Installation / Service Safety Precautions W ARNING Never modify (alter) a Braun Corporation ramp. W ARNING Replacement parts must be Braun authorized replacements. W ARNING Never install screws or fasteners (other than factory equipped). W ARNING Failure to follow these safety precautions may result in serious bodily injury and/or prop- erty damage.
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Page 20: Installation Requirements
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. Chassis Requirements... - Page 21 Ramp Support Structure Outboard Support Tube: Recommended Maxi- mum Height: 20mm above ground level. Kneel- ing Vehicles (measured with suspension lowered). Structure: Minimum 40mm x 50mm steel tubing (or equivalent). RAMP INSTALLATION EU: Installations with support tube positioned higher than 20mm above ground level may not comply with EU ramp slope requirements.
- Page 22 RAMP INSTALLATION "Floor Pocket" Clear Opening Dimensions Figure G Right The ramp must be supported by a Left minimum of three chasis members. As viewed from outside the vehicle Inboard Front Page 20 (driver's side) (of vehicle)
- Page 23 Clear Door Opening Width Dimension The ramp platform must be aligned with the center of the door opening. RAMP INSTALLATION Figure H Door(s) must open outward. Page 2...
- Page 24 RAMP INSTALLATION Installed Ramp - Stowed Figure J Stowed RA500 Ramp positioned in the “floor pocket.” Right Left As viewed from outside the vehicle Inboard Front Page 22 (driver's side) (of vehicle)
- Page 25 Ramp Support Structure for RA500 w/o Fixed Sub floor Outboard Support Tube: Recommended Maxi- mum Height: 20mm above ground level. Kneel- ing Vehicles (measured with suspension lowered). Structure: Minimum 40mm x 50mm steel tubing (or equivalent). RAMP INSTALLATION EU: Installations with support tube positioned higher than 20mm above ground level may not comply with EU ramp slope requirements.
- Page 26 RAMP INSTALLATION "Floor Pocket" Clear Opening Dimensions for RA500 w/o Fixed Sub floor Figure L Right Left As viewed from outside the vehicle Inboard Front Page 24 (driver's side) (of vehicle)
- Page 27 RAMP INSTALLATION Clear Door Opening Width Dimension for RA500 w/o Fixed Sub floor Figure M Right The movable ramp platform must be aligned with the Left center of the door opening. As viewed from outside the vehicle Inboard Front Page 25...
- Page 28 RAMP INSTALLATION Installed Ramp - Stowed RA500 w/o Fixed Sub floor Figure N The movable ramp platform must be aligned with the center of the door opening. Page 26 Door(s) must open outward.
- Page 29 RAMP INSTALLATION Installed Ramp - Stowed with Vehicle Floor Installed over Ramp Figure P Right Floor should support Left upper surface of the ramp. As viewed from outside the vehicle Inboard Front Page 27 (driver's side) (of vehicle)
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Page 30: Electrical Connections
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. Battery / Ground Connections The Positive (+) “battery”... -
Page 31: Electrical Connections
Electrical Connections The 2 pin power 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. -
Page 32: Maintenance And Lubrication
See the Maintenance/Lubrication Schedule for recommended applications per number of cycles or elapsed time. Manual Drive Gear Release CAM Motor Guide Rails Carrier Plate Wear Strips RA500 Isometric 003.ai Lubricant Type Light Penetrating Oil LO - Light Oil (30 weight or equivalent) Stainless Stick DE - Door-Ease Style (tube) - Page 33 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.
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Page 34: Maintenance And Lubrication Schedule
MAINTENANCE and LUBRICATION Maintenance and Lubrication Schedule (continued) continued Carrier plate wear strips Clean ramp and ramp mounting area (ensure 8 Weeks no debris in area to obstruct stowing ) or 200 Cycles Inspect ramp for wear, damage or any abnor- mal condition. -
Page 35: Systems Descriptions
2. Under “Accessories”, choose “Communica- tions”, and then “Hyperterminal.” Once select- ed, a “Connection Description” window will pop 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 COM) and hit OK. - Page 36 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...
- Page 37 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.
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Page 38: Electrical (Microswitches)
4. Tighten the mounting screws in this position. Page 36 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. - Page 39 IN-Limit Microswitch The IN-Limit microswitch is located in the inboard mounting position of the platform carrier plate. To adjust: . Power or manually move the ramp to the fully stowed position. 2. Remove the ramp top plate (cover). 3. With the ramp in the stowed position loosen the IN-Limit microswitch mounting screws.
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Page 40: Troubleshooting
No Function Page 38 If a problem occurs with your ramp, discontinue operation immediately! Contact your sales representative or call The Braun Corporation at -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. - Page 41 FUNCTION SYMPTOM 2.10 2. Pressure mat activated Ramp Starts to Deploy 2.2 Obstruction sensing activated then Stops 2.00 2.20 DEPLOY Ratcheting 2.2 Ramp OUT-Limit microswitch is out OPERATION Noise at End or during Ramp Deployment 2.30 2.3 Loose chain Excessive 2.32 Debris inside ramp cassette Noise during Ramp...
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Page 42: Repair Parts List
Switch, Rear Stop - RA500 Sprocket, Fixed Guide - Manual Release - ER0 Bearing, Plain Plastic - ID 8MM / OD 0MM - ER Weldment, Traveling Cross Arm - RA500 Weldment, Chain End - RA500 Nut, M5 Nylock ZP Skid Pad, RA500... - Page 43 EXPLODED VIEW Page 41A Page 42A...
- Page 44 18 GA. - 5 CON. (#3) 18 GA. - 5 CON. (#4) 18 GA. LT GN/YL 18 GA. RD 18 GA. RD 18 GA. BK MOTOR RD MOTOR BK RA500 RAMP ASSEMBLY Page 41B SYMBOL KEY DESCRIPTION SYMBOL BATTERY CHASSIS GROUND CIRCUIT PROTECTION DEVICE...
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Page 45: Wiring Diagram
TROUBLESHOOTING Wiring Diagram Page 4 Page 43... -
Page 46: Daily Preventive Maintenance Schedule
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 47 "Providing Access to the World" ® Over 300 Braun Dealers Worldwide ® "Providing Access to the World" International Corporate Hdqrs: P .O. Box 310 Winamac, IN 46996 USA 1-800-THE LIFT (574) 946-6153 FAX: (574) 946-4670 ®...
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Page 48: Return Authorization Procedure
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.
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