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Braun RA500 service manual Systems Descriptions, Operation, Deploy MIN. Stow MAX

Models: RA500

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SYSTEMS DESCRIPTIONS

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	Stow Limit: 975
Adjust limits as follows:

Note: Use Limit Adjustment Chart to calculate the Deploy and Stow limit values. Three charts are provided on the right for calculation.

1.Ensure that the Calibrate LED is red.

2.Function the ramp through 4 complete deploy and stow cycles.

3.Record the Deploy Minimum and Stow Maxi- mum values.

4.Average the Deploy Minimum and Stow Maxi- mum values.

5.Subtract 10 from the Average Delpoy Minimum value.

6.Add 10 to the Average Stow Maximum value.

7.Adjust the stow limit and the deploy limit po- tentiometers to show values caluclated above. Values will display on computer screen as the potentiometers are adjusted.

Note: Clockwise rotation of potentiometers de- creases values.

Once the limits are set, return the ramp to nor- mal operation by pressing the “Calibrate” button a second time. Make sure that the Calibrate LED is changed to green.

Note: To reinstall factory default values, press the “Calibrate” button, followed by pressing the “Cali- brate Reset” button (see Figure S).

Limit Adjustment Chart:

Operation	Deploy MIN. Stow MAX.
Cycle 1 (C1)
Cycle 2 (C2)
Cycle 3 (C3)
Cycle 4 (C4)
Total (C1+C2+C3+C4)
Average (Total / 4)
Deploy Limit (Avg. - 10)		N/A
Stow Limit (Avg. + 10)	N/A

Operation	Deploy MIN. Stow MAX.
Cycle 1 (C1)
Cycle 2 (C2)
Cycle 3 (C3)
Cycle 4 (C4)
Total (C1+C2+C3+C4)
Average (Total / 4)
Deploy Limit (Avg. - 10)		N/A
Stow Limit (Avg. + 10)	N/A

Operation	Deploy MIN. Stow MAX.
Cycle 1 (C1)
Cycle 2 (C2)
Cycle 3 (C3)
Cycle 4 (C4)
Total (C1+C2+C3+C4)
Average (Total / 4)
Deploy Limit (Avg. - 10)		N/A
Stow Limit (Avg. + 10)	N/A

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Braun RA500 service manual Systems Descriptions, Operation, Deploy MIN. Stow MAX

Contents

Providing Access to the World BraunRA500 Transit RampCongratulations CONTENTS RAMP TERMINOLOGY Figure ASub floor Fixed Pan Weldment Mounting Tab Qyt Ramp INRIGHT LEFTOUT As viewed from outside the vehicleFigure B RAMP TERMINOLOGYElectric Motor Carrier Plate Pan Weldment Mounting Tab Qyt Ramp Hand Hold INRIGHTRAMP TERMINOLOGY IntroductionRAMP TERMINOLOGY Ramp ComponentsRAMP OPERATION This symbol indicatesimportant safety information regardingRamp Operation Safety Precautions continued RAMP OPERATIONRamp Access Doors and Interlocks RAMP OPERATIONOperation Notes and Details operation safety precautions, preRAMP OPERATION Read and becomeRamp Power Operation Operator Input Switches TheWeight Sensing Pad optional RAMP OPERATIONRAMP OPERATION Keep clear ofarea in which ramp operatesFigure C StepRAMP OPERATION StepFigure D Figure ERAMP OPERATION StepRamp Passenger Safety RAMP OPERATIONWheelchairs 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 RAMP OPERATIONRAMP INSTALLATION This symbol indicatesimportant safety information regardingRAMP INSTALLATION Installation / Service Safety PrecautionsPage RAMP INSTALLATION installation, operationor service procedures Read this manualFigure F RAMP INSTALLATION1455mm Figure GRAMP INSTALLATION The ramp must be supported by a minimum of three chasis membersFigure H RAMP INSTALLATIONThe ramp platform must be aligned with the center of the door opening Doors must open outwardFigure J RAMP INSTALLATIONStowed RA500 LeftFigure K RAMP INSTALLATIONTUBE SUPPORT Figure L RAMP INSTALLATION1455mm InRight LeftOut As viewed from outside the vehicle PageFigure M RAMP INSTALLATIONLeft As viewed from outside the vehicleFigure N RAMP INSTALLATIONInstalled Ramp - Stowed RA500 w/o Fixed Sub floor Doors must open outwardFigure P RAMP INSTALLATIONFloor should support upper surface of the ramp LeftFigure Q RAMP INSTALLATIONcare when making Route cables clearRAMP INSTALLATION Positive + batterylead wire must be installer-providedMAINTENANCE and LUBRICATION Lubrication DiagramMAINTENANCE and LUBRICATION Maintenance and Lubrication IntroductionMaintenance and Lubrication Schedule 8 WeeksMAINTENANCE and LUBRICATION 8 WeeksCycles 1 Year or 1250 CyclesSYSTEMS DESCRIPTIONS Figure RSYSTEMS DESCRIPTIONS OperationDeploy MIN. Stow MAX OperationFigure S SYSTEMS DESCRIPTIONSManual Calibration Instructions for Controller Improper microswitch adjustment maySYSTEMS DESCRIPTIONS Figure LSYSTEMS DESCRIPTIONS Figure MFigure N TROUBLESHOOTING Troubleshooting Diagnosis Chart1.00 OPERATIONTROUBLESHOOTING SYMPTOM2.00 DEPLOYREPAIR PARTS PageEXPLODED VIEW Rotated 90˚DETAIL A Page 41AWIRING SCHEMATIC Page 41BPage 42B RA0128A Wiring DiagramTROUBLESHOOTING WIRE SIZE CONVERSIONDAILY PREVENTIVE MAINTENANCE SCHEDULE Pre-Trip InspectionPost-Trip Inspection Providing Access to the World Providing Access to the WorldOver 300 Braun Dealers Worldwide International Corporate Hdqrs P.O. BoxBraun “Worry-Free” Limited Warranty Return Authorization ProcedureBraun RA500 Transit Ramp