Braun Corporation RA300 Operator, Installation, Service Manual
  1. Manuals
  2. Brands
  3. Braun Corporation Manuals
  4. Lifting Systems
  5. RA300
  6. Operator, installation, service manual

Braun Corporation RA300 Operator, Installation, Service Manual

Commercial transit ramp for low-floor transit vehicles
Hide thumbs Also See for RA300:
Table of Contents

Advertisement

Quick Links

Download this manual
Operator's/Installation/Service Manual
Braun
Brau
Braun
Braun
Braun
Braun
Commercial
Commercial
RA300 Transit Ramp
RA300 Transit Ramp
RA300 Transit Ramp
RA300
RA300
Transit Ramp
Transit Ramp
Transit Ramp
for
Low-Floor Transit Vehicles
Model BF3255Y-12V
Model BF3255Y-12V
"Providing Access to the World"
International Corporate Hdqrs: P .O. Box 310
1-800-THE LIFT
®
(574) 946-6153
35559
October 2009
®
®
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.

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the RA300 and is the answer not in the manual?

Questions and answers

Related Manuals for Braun Corporation RA300

Summary of Contents for Braun Corporation RA300

  • Page 1 Operator's/Installation/Service Manual Braun Brau Braun Braun Braun Braun Commercial Commercial RA300 Transit Ramp RA300 Transit Ramp RA300 Transit Ramp RA300 RA300 Transit Ramp Transit Ramp Transit Ramp Low-Floor Transit Vehicles W ARNING Model BF3255Y-12V Model BF3255Y-12V Read manual ® before operating, ®...
  • Page 2 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.

  • Page 3: Table Of Contents

    Hydraulic Diagram and Parts List - BF3255Y ... 35 Ramp Installation Repair Parts Installation/Service Safety Safety Symbols ............13 RA300 Ramp Exploded View Ramp Operation Safety Precautions ....13, 14 Repair Parts List ............36 Installation Instructions Exploded View (Fold Out) ......37A, 38A Installation Requirements.........

  • Page 4: Ramp Terminology

    RAMP TERMINOLOGY Ramp Terminology Illustration Refer to the illustration below and the illustrations on page 3 for identi cation of components and clari ca- tion of direction terminology. Details regarding lift model variations, terminology, direction and compo- nents are provided on pages 4 and 5. Sub oor (Fixed) Drive...

  • Page 5: Ramp Components Terminology Illustration

    RAMP TERMINOLOGY Ramp Components Terminology Illustration Pump Counter Cylinder Cam/Hydraulic Relays Assembly Cable Cam/Microswitch Assembly Pulley Ramp Cable Tension Tension Drive Arm Gas Spring Cable Cylinder Cam/Hydraulic Assembly Weldment Ramp Drive Arm Counter Pump Relays Cam/Microswitch Cable Tension Assembly Gas Spring LEFT Cable Pulley...

  • Page 6: Terminology

    "drift" feature Direction: The terms “left”, when deploying and stowing. “right”, “in” and “out” will be used The RA300 features a 32" wide When stowing the ramp and throughout this manual to indi- ramp in a 34" wide package.

  • Page 7: Ramp Components

    (casing) mounted in the vehicle the ramp is deployed. The tion features vertical side plates oor system which contains the RA300 stows (folds) onto the sub and full antiskid surface. hydraulic pump and electrical oor providing an unobstructed components that power the ramp...

  • Page 8: Ramp Operation

    RAMP OPERATION Safety Symbols SAFETY FIRST! Know That..All information contained CAUTION W ARNING in this manual and supplements (if included), is pro- This symbol indicates This symbol indicates vided for your safety. Familiarity important safety important information with proper operation instructions information regarding regarding how to as well as proper maintenance...
  • Page 9 (certi ed) service personnel. W ARNING Never modify (alter) a Braun Corporation ramp. W ARNING Do not use accessory devices not authorized by The Braun Corporation. 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.

  • Page 10: Pre-Operation Notes And Details

    The commercial As stated in the Ramp Operation manual operating instructions oriented RA300 Ramp is operated Safety section, all information in before attempting ramp opera- by the transit vehicle driver/atten- this manual is provided for the tion procedures or assisting ramp dant.

  • Page 11: Operation Procedure Review

    RAMP OPERATION Operation Procedure Review The Braun Corporation recom- Transit agency supervisors W ARNING mends that transit agency su- should train and educate all pervisors and driver/attendants driver/attendants on the proper Read and become review the safety precautions and use and operation of the vehicle,...

  • Page 12: Ramp Power Operation

    RAMP OPERATION Ramp Power Operation The power ramp is attendant operated and activated Before operating the ramp, park the vehicle on by the control switch provided by the vehicle con- a level area, away from vehicular traf c. Place verter (ramp installer). A momentary contact ramp the vehicle transmission in “Park”...

  • Page 13: Ramp Manual Operation

    HAND HOLDs. Keep clear of tension cables. Keep clear of the area in which the hinged RA300 Hand ramp sections fold and unfold. Keep clear of the Hold area where the inboard ramp side plates stow in the pan ( oor).
  • Page 14 RAMP OPERATION Ramp Passenger Safety (Continued) W ARNING W ARNING Position and fasten Be aware of the wheelchair- ramp slope. 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 bodily injury and/or ered and manual wheelchairs...

  • Page 15: Ramp Installation

    RAMP INSTALLATION Safety Symbols SAFETY FIRST! Know That..All information contained CAUTION W ARNING in this manual and supplements (if included), is pro- This symbol indicates This symbol indicates vided for your safety. Familiarity important safety important information with proper operation instructions information regarding regarding how to as well as proper maintenance...

  • Page 16: Installation Instructions

    Disconnect the power cable at the battery prior to servicing. W ARNING Keep hands, arms and all other body parts clear of moving parts. 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).

  • Page 17: Door Opening

    RAMP INSTALLATION Door Opening: Open the Minimum Clear Door Open- molding that creates an uneven door(s) fully and check the clear ing Dimensions are de ned as mounting surface should be door opening width dimension. nished door opening, including removed. The molding can be Speci ed minimum clear door any intrusive door jambs, head- modi ed to t around the ramp...
  • Page 18 RAMP INSTALLATION "Floor Pocket" Clear Opening Dimensions Note: See Figure B and C also. Figure E Right Clear Door Opening Width Dimension Left As viewed from outside the vehicle Figure F Vehicle chassis “ oor pocket” con guration Door(s) must must be aligned cen- open outward.
  • Page 19 RAMP INSTALLATION Installed Ramp - Stowed Figure G Stowed RA300 Ramp positioned in the “ oor pocket.” Right Installed Ramp - Deployed Left As viewed from outside the vehicle Figure H There must be a minimum 1/8” clearance st be a minimum 1/8” clearance...

  • Page 20: Electrical Connections

    (center off) W ARNING is mounted at the front of the will typically be mounted near the RA300 ramp. A mating connec- driver. The control switch may Route cables clear tor (male plug) is supplied with be part of a panel providing other of exhaust system, the ramp.

  • Page 21: Electrical Connections Illustration

    RAMP INSTALLATION Electrical Connection Illustration An 8-pin Deutsch connector (male plug) is supplied with the ramp. The ramp installer provides an appropriate momentary contact control switch. Terminate the power supply, BF3255Y ground, ramp OUT signal and CONNECTOR - P1 ramp IN signal as speci ed in (B.C.# 30136) legend.

  • Page 22: Maintenance And Lubrication

    MAINTENANCE and LUBRICATION Lubrication Diagram Gear and Inboard Gear Rack Ramp Hinge (internal) Outboard Ramp Hinge (concealed) Cable Bearing Surface Drive Arm and Cam Gear Shaft (after Smooths or 1200 Cycles) Cable at Pulleys Drive Arm Slot Note: See the Maintenance/Lubrication Schedule for recommended applications per number of cycles or elapsed time.

  • Page 23: Maintenance And Lubrication Schedule

    (repeated). All listed inspection, lubrication and maintenance procedures should be repeated at “8 RA300 Ramps are equipped with hardened pins Weeks or 200 Cycles” intervals following the scheduled and self-lubricating bearings to decrease wear, “1 Year or 1250 Cycles”...
  • Page 24 MAINTENANCE and LUBRICATION Cable at pulley and hinge areas Clean and lubricate. Apply Light Oil - See continued Lubrication Diagram Drive arm slot Apply Door-Ease. See Lubrication Diagram Inspect drive arm pivot points (mounting Tighten, replace or correct as needed. screws, nuts and bearings) for positive secure- 8 Weeks ment, wear or damage...
  • Page 25 MAINTENANCE and LUBRICATION continued Hydraulic Fluid (Pump) - Check level. Note: Use Braun 32840-QT (Exxon ® Univis HVI 26) Fluid should be changed if there is visible hydraulic uid (do not mix with Dextron III or contamination. Inspect the hydraulic system other hydraulic uids).

  • Page 26: Systems Descriptions

    Microswitches: Three micro- Details and photos of the micro- W ARNING switches (limit switches) are switches are provided below. incorporated in the RA300 Ramp Adjust microswitch(es) as detailed Improper microswitch electrical system. Ramp micro- (if necessary only). adjustment may re-...
  • Page 27 SYSTEMS DESCRIPTIONS Electrical Drift In Microswitch (Cam 1) Figure L 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) Figure M Turn Cam 2 clockwise to start Drift Out function sooner...

  • Page 28: Hydraulics

    (will not stow or deploy ramp) and then, only after Failure to do so may contacting The Braun Corporation. Note: The xed nut on each adjustment result in serious Allen screw is positioned to limit oil pressure to a maximum (Deploy relief bodily injury and/or valve maximum 1450 psi and Stow relief valve maximum 1700 psi).
  • Page 29 SYSTEMS DESCRIPTIONS Drift IN and OUT Cam Adjustment Procedures RA300 ramp models featuring gravity down deploy and stow "drift" are equipped with adjustment cams Figure Q (BF3255Y). Adjust drift speed as detailed below. Drift OUT Speed (Cam 1): Drift out cam controls the speed that the ramp moves when the ramp is almost fully deployed and the motor shuts off.

  • Page 30: Troubleshooting Diagnosis Chart

    If the property damage. function and related symptom in problem continues, contact The the Troubleshooting Diagnosis Braun Corporation. FUNCTION SYMPTOM POSSIBLE CAUSE REMEDY 1.11 Battery terminals dirty Clean and tighten 1.12 Chassis ground connection (frame...
  • Page 31 TROUBLESHOOTING FUNCTION SYMPTOM POSSIBLE CAUSE REMEDY continued continued 2.20 Locked in 2.21 Ramp was stopped within the Activate Stow function until ramp is out Intermediate Deploy “Drift Out” range during Stow of the Deploy “Drift Out” range. Then Position function activate Deploy function.
  • Page 32 TROUBLESHOOTING FUNCTION SYMPTOM POSSIBLE CAUSE REMEDY 3.11 See 1.00 3.12 Drift In Microswitch out of adjust- Adjust or replace. See Microswitches in 3.10 ment or damaged Systems Descriptions for details 3.13 Drift In Microswitch harness discon- Connect, repair or replace Operation nected, damaged or otherwise damaged...
  • Page 33 BLANK for LAYOUT Page 31...

  • Page 34: Electrical Schematic - Bf3255Y

    CIRCUIT PROTECTION BATTERY GROUND DEVICE MOTOR (30 AMP.) * RECOMMENDED WIRE GUAGE COUNTER RA300 TRANSIT RAMP ASSEMBLY DRAWING SHOWN WITH RAMP IN STOWED POSITION 12 GA. RD 12 GA. BK "DRIFT IN" MICROSWITCH STOW RELAY 14 GA. BL/BK 14 GA. BL/BK 12 GA.

  • Page 35: Wiring Diagram - Bf3255Y

    TROUBLESHOOTING Wiring Diagram - BF3255Y Page 33...

  • Page 36: Hydraulics

    HYDRAULICS Hydraulic Schematic - BF3255Y Cylinder, Double Description Symbol Acting Pump, Bidirectional Relief Valve Displacement Pump Motor, Check Valve Bidirectional Flow Control Hydraulic Port Valve Fixed Orifice Filter Screen Reservoir, 3 Way 2 Position Vented Shuttle Valve .033 .020 69 BAR 86 BAR 1000 PSI 1250 PSI...

  • Page 37: Hydraulic Diagram And Parts List - Bf3255Y

    Cylinder - 1514.3 - Compact C1514.3-9800 Cylinder - 1514.3 - Compact C1514.3-9900 Pump - Power Unit - Hydraulic - RA300 31698-12V Hose Assembly - 6" - 1/8" Dia - SW/SW 16004A-006 Hose Assembly - 10" - 1/8" Dia - SW/SW 16004A-010 Hose Assembly - 12"...

  • Page 38: Repair Parts

    Nut - #10-32 x 0.20 - Cable Retainer BF00242 Nut - #10-32 x 0.49 - Cable Retainer BF00243 Pump - Power Unit - __V Hydraulic - RA300 33364 Bolt - 3/8-16 x 1/2" 316SS Hex BF00249 Plate - Tapped #4-40 Microswitch...

  • Page 39: Exploded View (Fold Out)

    EXPLODED VIEW Page 37A Page 38A...

  • Page 40: Speci Cations And Dimensions

    SPECIFICATION AND DIMENSIONS Power Unit: Hydraulic Pump Module Deployed View Voltage: 12 VDC 36.70" Current: 30 Amps (Max) Inputs Required: +12 Volt Supply (-) Ground Ramp “Out” Signal (+) Ramp “In” Signal (+) Interlock Signal Notes: Mounting holes/brackets per application 85.50"...

  • Page 41: Daily Preventive Maintenance Schedule

    DAILY PREVENTIVE MAINTENANCE SCHEDULE Vehicle Number: Date: Inspector: Pre-Trip Inspection: Before each scheduled day of lift service, operate ramp minimum one complete cycle and inspect each of the following : Do the vehicle interlock(s) function as intended? Does the ramp deploy when the ramp interlock is activated as intended? Does the lift control switch function properly? Does the ramp cargo door light (if equipped) function as intended? Do the lift cargo door securement devices function as intended (if equipped)?
  • Page 42 "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...
  • Page 43 All illustrations, descriptions and specifications in this manual are based on the latest product information available at the time of publication. The Braun Corporation reserves the right to make changes at any time without notice. time of publication. The Braun Corporation reserves the right to make changes at any time without notice.

This manual is also suitable for:

Bf3255y-12v

Table of Contents