Table of Contents
Advertisement
Quick Links
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
32718
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.
Advertisement
Table of Contents
Related Manuals for Braun RA300
Summary of Contents for Braun 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 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.
-
Page 3: Table Of Contents
Hydraulics Diagram and Parts List ......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 illustration on cation of direction terminology. Details regarding terminology, direction and components are provided on pages 4 and 5. (Fixed) Drive Inboard Ramp (Stage One) Tension Cable Pan Weldment Drive Vertical Side Plate... -
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 Cam/Hydraulic Cam/Microswitch Assembly Assembly Ramp Drive Arm Pump Cylinder Cable Pulley Pan Weldment Relays Counter Cam/Hydraulic Assembly Ramp Drive Arm Cable Tension Gas Spring Pump... -
Page 6: Introduction
20 pounds or more on the The Braun RA300 Transit Ramp switch for the end user. Conse- ramp. (to be referred to as RA300 quently, the operating instruc- throughout this manual) is de- tions contained in this manual Instructions are provided for... -
Page 7: Ramp Components
The and full antiskid surface. hydraulic pump and electrical RA300 stows (folds) onto the sub components that power the ramp Drive Arm Assembly: electric/hydraulic systems. The antiskid surface for entry and exit The cylinder driven three stage when the ramp is not in use. -
Page 8: Ramp Operation
W ARNING Load and unload on level surface only. contact The Braun Corporation immedi- W ARNING Engage vehicle parking brake before operating ramp. ately. Failure to do so... - Page 9 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. W ARNING erty damage.
-
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 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- verter (ramp installer). A momentary contact ramp the vehicle transmission in “Park” and engage the control switch (center off) will typically be provided parking brake. -
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 Passenger Safety
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 an effect on the combined center Wheelchair passengers who bodily injury and/or of gravity of the occupant and... -
Page 15: Ramp Installation
Do not operate ramp prior to positive securement of the pan. instructions are not fully understood, W ARNING Check for obstructions such as gas lines, wires, exhaust, etc. contact The Braun before drilling or cutting during installation procedures. Corporation immedi- ately. Failure to do W ARNING... -
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 Floor Pocket 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 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
SYSTEMS DESCRIPTIONS Electrical Microswitches: Three micro- W ARNING switches (limit switches) are incorporated in the RA300 Ramp Improper microswitch electrical system (Drift-In, Drift- adjustment may re- Out and Counter). Details and sult in serious bodily photos of the microswitches injury and/or property damage. - Page 27 SYSTEMS DESCRIPTIONS Electrical (Continued) 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
Braun Pump Code of 38. Deploy and Stow Pressure Relief Valves W ARNING system to a safe level. It also keeps the amp draw and battery drain at a minimum when the cylinders reach full stroke. - Page 29 SYSTEMS DESCRIPTIONS Drift IN and OUT Cams Adjustment Procedure Drift OUT Speed (Cam 1): Figure Q Drift out cam controls the speed that the ramp moves when the ramp is almost fully deployed and the motor shuts off. 1. Loosen the set screw in the drift out cam. 2.
-
Page 30: Troubleshooting Diagnosis Chart
2.00 ment or defective 2.10 Connect, repair or replace 2.13 Drift Out Microswitch harness dis- DEPLOY connected, damaged or otherwise Operation (Out) defective Contact Braun Product Support - replace 2.14 Pump motor brushes worn pump continued continued Page 28... - Page 31 Repair Deploy 2.36 Cylinder leak Replace. 2.37 Deploy pressure relief valve stuck Contact Braun Product Support - replace open due to contamination or other- pump wise defective 2.38 Pump internal shuttle valve stuck or Contact Braun Product Support - replace...
- Page 32 3.40 3.42 Stow pressure relief valve setting Pump Runs too low Descriptions for details. 3.00 3.43 Stow pressure relief valve stuck Contact Braun Product Support - re- STOW Doesn’t open due to contamination or other- place pump (In) Stow wise defective 3.50...
- Page 33 BLANK for LAYOUT Page 31...
-
Page 34: Electrical Schematic
CIRCUIT RELAY PROTECTION BATTERY GROUND DEVICE MOTOR (25 AMP.) * RECOMMENDED WIRE GUAGE COUNTER RA300 TRANSIT RAMP ASSEMBLY 12 GA. RD 12 GA. BK "DRIFT IN" MICROSWITCH STOW RELAY 16 GA. BN/BK 16 GA. BL/BK 12 GA. BK 12 GA. RD 12 GA. -
Page 35: Wiring Diagram
TROUBLESHOOTING Wiring Diagram Page 33... -
Page 36: Hydraulics
HYDRAULICS Hydraulic Schematic 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 34... -
Page 37: Hydraulics Diagram And Parts List
Cylinder - 1514.3 - Compact C1514.3-9800 Cylinder - 1514.3 - Compact C1514.3-9900 Pump - Power Unit - Hydraulic - RA300 31698-12V or 24V* Hose Assembly - 12" - 1/8" Dia - SW/SW 16004A-012 Hose Assembly - 6" - 1/8" Dia - SW/SW 16004A-006 Hose Assembly - 10"... -
Page 38: Repair Parts
Nut - #10-32 x 0.20 - Cable Retainer BF00242 BF00242 Nut - #10-32 x 0.49 - Cable Retainer BF00243 BF00243 Pump - Power Unit - __V Hydraulic - RA300 31698-12V or 24V** 31698-12V or 24V** Bolt - 3/8-16 x 1/2" 316SS Hex BF00249 BF00249... -
Page 39: Exploded View (Fold Out)
EXPLODED VIEW 22 23 Page 37A Page 38A... - Page 40 SPECIFICATION AND DIMENSIONS Power Unit: Hydraulic Pump Module Deployed View 36.77" Voltage: 12 VDC (Optional 24 VDC) 41.98" 36.77" 41.98" Current: 25 Amps (Max) 36.77" 41.98" Inputs Required: +12 Volt Supply (-) Ground Ramp “Out” Signal (+) Ramp “In” Signal (+) Interlock Signal AI/fold-out art Notes:...
-
Page 41: Daily Preventive Maintenance Schedule
DAILY PREVENTIVE MAINTENACE 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 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.
Need help?
Do you have a question about the RA300 and is the answer not in the manual?
Questions and answers