Braun Corporation RA300 Operator, Installation, Service Manual
  1. Manuals
  2. Brands
  3. Braun Corporation Manuals
  4. Mobility Aid
  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
Braun
Commercial
RA300 Transit Ramp
RA300 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
33778
March 2007
®
®
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 Braun Commercial RA300 Transit Ramp RA300 Transit Ramp Low-Floor Transit Vehicles W ARNING Read manual ® before operating, "Providing Access to the World" ® installing or International Corporate Hdqrs: P .O. Box 310 Winamac, IN 46996 USA 1-800-THE LIFT ®...
  • 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 - BF3248YP ..39 Installation/Service Safety Repair Parts Safety Symbols ............13 Ramp Operation Safety Precautions ....13, 14 RA300 Ramp Exploded View Installation Instructions Repair Parts List ............40 Installation Requirements......... 14 Exploded View (Fold Out) ......41A, 42A Chassis Requirements ..........

  • Page 4: Ramp Terminology

    RAMP TERMINOLOGY Ramp Terminology Illustration Refer to the illustration below and the illustrations on tion of direction terminology. Details regarding lift model variations, terminology, direction and compo- nents are provided on pages 4 and 5. (Fixed) Drive Inboard Ramp (Stage One) Tension Cable Pan Weldment...

  • Page 5: Ramp Components Terminology Illustration

    RAMP TERMINOLOGY Ramp Components Terminology Illustration Cable Tension Relays Counter Gas Spring Cable Pulley Tension Cable Cylinder Remote Hydraulic Block (BF3248Y & BF3748Y Only) Cam/Hydraulic Cam/Microswitch Assembly Assembly (BF3248Y & BF3748Y Only) Remote Valve Block Ramp Drive Arm Pump (BF3248YP Only) Cylinder Cable Pulley...

  • Page 6: Introduction

    When stowing the ramp and it folds inward be- Direction: The terms “left”, The RA300 features a 32” wide yond the 15° shut off point, gravity “right”, “in” and “out” will be used ramp in a 34” wide package. A lowers the ramp to the pan.

  • Page 7: Ramp Components

    Each aluminum ramp sec- (casing) mounted in the vehicle the ramp is deployed. The tion features vertical side plates RA300 stows (folds) onto the sub and full antiskid surface. hydraulic pump and electrical components that power the ramp antiskid surface for entry and exit Drive Arm Assembly: electric/hydraulic systems.

  • 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 W ARNING 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 Procedured 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

    Observe your passengers at all times when they are entering and exiting the vehicle. Attendants must Gravity Down Drift Deploy Gravity Down Drift (All RA300 models): Stow Gravity Down Drift ("Y" ramp models only): When deploying (unfolding) the ramp, the ramp...

  • Page 13: Ramp Manual Operation

    (see Figure A). Carefully unfold and Keep clear of fold the ramp using the HAND HOLDs. 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 arms.
  • 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- when on the ramp.

  • 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 door(s) Minimum Clear Door Opening should be removed. The molding fully and check the clear door opening width dimension. Speci- ished door opening, including any ramp pan horizontal border (lip). ing width must be provided (34" sills or hinges.
  • 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 Door(s) must must be aligned cen- open outward. ter with door opening. Page 16...
  • Page 19 RAMP INSTALLATION Installed Ramp - Stowed Figure G Stowed RA300 Ramp positioned in Right Installed Ramp - Deployed Left As viewed from outside the vehicle Figure H There must be a minimum 1/8” clearance between the deployed ramp assembly and...

  • Page 20: Electrical Connections

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

  • Page 21: Electrical Connections Illustration

    RAMP INSTALLATION Electrical Connections An 8-pin Deutsch connector (male Terminate the power supply, ground, W ARNING plug) is supplied with the ramp. ramp OUT signal and ramp IN signal The ramp installer provides an ap- Positive (+) battery propriate momentary contact control The Positive (+) “battery”...

  • Page 22: Maintenance And Lubrication

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

  • Page 23: Maintenance And Lubrication Schedule

    (repeated). All listed inspection, lubrication and maintenance procedures should be repeated at “8 Weeks or 200 Cycles” intervals following the scheduled RA300 Ramps are equipped with hardened pins “1 Year or 1250 Cycles” maintenance. and self-lubricating bearings to decrease wear, provide smooth operation and extend the service life of the ramp.
  • 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 do not mix with Dextron III or contamination. Inspect the hydraulic system 1 Year ramp deployed fully.

  • Page 26: Systems Descriptions

    Microswitches: Three micro- Power Down Activation. Details W ARNING switches (limit switches) are and photos of the microswitches incorporated in the RA300 Ramp Improper microswitch electrical system. "Y" ramp mod- microswitch(es) as detailed (if adjustment may re- els microswitches are: Drift-In, necessary only).
  • Page 27 SYSTEMS DESCRIPTIONS Electrical (Continued) Drift In Microswitch (Cam 1 - All RA300 Models) 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).

  • Page 28: Hydraulics

    Pump Code for 12 volt M-2202- B-3202-0100 pumps is 67. without a breather hole. Doing so 0102 pumps is 59. will result in pump and/or reser- All RA300 Hydraulic Pumps: voir damage. M-2202-0102 Hydraulic Pump: The Deploy pressure relief valve Fixed displacement external gear is factory set at 1000 psi.
  • Page 29 SYSTEMS DESCRIPTIONS Drift IN and OUT Cam Adjustment Procedures ("Y" Ramp Models Only) RA300 ramp models featuring gravity down deploy Figure Q detailed below (not applicable for "YP" models). 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 3.10 ment or damaged Systems Descriptions for details 3.13 Drift In Microswitch harness discon- Connect, repair or replace Operation nected, damaged or otherwise damaged 3.20 Locked in Intermediate 3.21 Ramp was stopped within the Stow Activate Deploy function until ramp is Position “Drift In”...
  • Page 33 BLANK for LAYOUT Page 31...

  • Page 34: Electrical Schematic - Bf3248Y & Bf3748Y

    CIRCUIT PROTECTION BATTERY GROUND DEVICE MOTOR (25 AMP.) COUNTER * RECOMMENDED WIRE GUAGE RA300 TRANSIT RAMP ASSEMBLY DRAWING SHOWN WITH RAMP IN STOWED POSITION 12 GA. RD 12 GA. BK "DRIFT IN" MICROSWITCH STOW RELAY 16 GA. BN/BK 16 GA. BL/BK 12 GA.

  • Page 35: Wiring Diagram - Bf3248Y & Bf3748Y

    TROUBLESHOOTING Wiring Diagram - BF3248Y & BF3748Y Page 33...

  • Page 36: Electrical Schematic - Bf3248Yp

    BATTERY GROUND DEVICE (30 AMP.) MOTOR * RECOMMENDED WIRE GAUGE COUNTER RA300 TRANSIT RAMP ASSEMBLY DRAWING SHOWN WITH RAMP IN STOWED POSITION RD - 12 GA. RD - 12 GA. BK - 12 GA. BK - 12 GA. BL/BK - 18 GA.

  • Page 37: Wiring Diagram - Bf3248Yp

    TROUBLESHOOTING Wiring Diagram - BF3248YP Page 35...

  • Page 38: Hydraulics

    HYDRAULICS Hydraulic Schematic - BF3248Y & BF3748Y 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...

  • Page 39: Bf3748Y

    C1514.3-9800 C1514.3-9800 Cylinder - 1514.3 - Compact C1514.3-9900 C1514.3-9900 Pump - Power Unit - Hydraulic - RA300 31698-12V or 24V* 31698-12V or 24V* Hose Assembly - 6" - 1/8" Dia - SW/SW 16004A-006 Hose Assembly - 10" - 1/8" Dia - SW/SW 16004A-010 Hose Assembly - 12"...

  • Page 40: Hydraulic Schematic - Bf3248Yp

    HYDRAULICS Hydraulic Schematic - BF3248YP 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 .020 COIL B COIL A COIL R 34 BAR...

  • Page 41: Hydraulic Diagram And Parts List - Bf3248Yp

    Description BF3248YP Cylinder - 1514.3 - Compact C1514.3-9800 Cylinder - 1514.3 - Compact C1514.3-9900 Pump - Power Unit - 12V Hydraulic - RA300 33364 Switch - Pressure 31199 Hose Assembly - 8" - 1/8" Dia - SW/SW 16004A-008 Hose Assembly - 10" - 1/8" Dia - SW/SW 16004A-010 Hose Assembly - 12"...

  • Page 42: Repair Parts

    BF00242 BF00242 BF00242 Nut - #10-32 x 0.49 - Cable Retainer BF00243 BF00243 BF00243 Pump - Power Unit - __V Hydraulic - RA300 31698-12V or 24V** 31698-12V or 24V** 33364 Bolt - 3/8-16 x 1/2" 316SS Hex BF00249 BF00249 BF00249...

  • Page 43: Exploded View (Fold Out)

    EXPLODED VIEW 51 52 22 23 Page 41A Page 42A...
  • Page 44 SPECIFICATION AND DIMENSIONS Power Unit: Hydraulic Pump Module Deployed View Voltage: 12 VDC (Optional 24 VDC) Current: 25 Amps (Max) BF3248Y = 36.77" BF3248YP = 36.77" BF3748Y = 41.98" Inputs Required: +12 Volt Supply (-) Ground Ramp “Out” Signal (+) Ramp “In”...

  • Page 45: Daily Preventive Maintenance Schedule

    DAILY PREVENTIVE MAINTENANCE SCHED- 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 46 "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 47 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.

Table of Contents