Braun RA500 service manual Introduction

Page 6

RAMP TERMINOLOGY

Introduction

The Braun RA500 In-Floor Ramp

The RA500 provides fully auto-

Read and become familiar with

(to be referred to as RA500

matic operation of ramp functions.

all operation safety precautions,

throughout this manual) is de-

The electric system is controlled

pre-operation notes and details,

signed for use in low-floor transit

by a electronic controller board

operating instructions and manual

vehicles. The RA500 provides

which activates an electric motor

operating instructions before at-

vehicle access to people with

in opposite directions for deploy

tempting operation.

disabilities (wheelchair passen-

and stow functions (powering a

Terminology: Become familiar

gers or standees using other type

chain drive system).

mobility aids).

Obstruction sensing is a standard

with the terminology that will be

The self-contained “drop-in” elec-

used throughout this manual.

feature with the RA500 ramp.

Become familiar with the iden-

tric unit requires no pre-assembly.

The RA500 also has an optional

tification of RA500 components

The electrical components are

weight sensitive pad on the ramp

and their functions. Contact your

internal and easily accessible.

platform. The ramp will not

sales representative or call The

The RA500 features a 32” wide

operate with 15 kilograms on the

Braun Corporation at 1-800-THE

platform when equipped with the

LIFT® if any of this information is

ramp in a 38” wide package.  A

weight sensitive pad.

not fully understood.

“floor pocket” built into the chas-

Instructions are provided for

Direction: The terms “left”,

sis/floor system allows for simple

installation (dimensional require-

manual operation of the ramp

“right”, “in” and “out” will be used

ments specified in the Installation

in event of power or equipment

throughout this manual to indicate

section).

failure. See Manual Override for

direction (as viewed from the out-

The RA500 is specifically de-

further details.

side of the vehicle looking directly

 

at the ramp). Refer to the Termi-

signed to be operated by an

 

nology Illustrations for clarification

attendant. The ramp is controlled

 

of direction terms.

by either a “one-touch control” or

 

 

a “press and hold control”.

 

 

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Contents Braun Congratulations Contents Ramp Terminology Ramp Terminology IllustrationFigure B Ramp Components Terminology IllustrationIntroduction Ramp Components Pan Weldment HousingChain Drive Assembly Control Box Electronic ConRamp Operation Ramp Operation Ramp Access Doors and Interlocks Operation Notes and DetailsRead and become Operation safetyPrecautions, pre Familiar with all rampWeight Sensing Pad optional Ramp Power OperationOperator Input Switches Halt Conditions Several condi One-Touch Operation In oneVehicle to ac Provide adequateClearance outside Commodate rampProvided. Failure to re-engage Safety precautions Result in unintended rampRamp Manual Operation Become familiar with all ramp Secure the platform mayFigure D Ramp Passenger Safety Ramp Operation Ramp Installation Installation / Service Safety PrecautionsRamp Installation Read this manual Installation RequirementsInstallation, operation Before performingFigure F Floor Pocket Clear Opening Dimensions 1005mmClear Door Opening Width Dimension Figure HInstalled Ramp Stowed Figure JFigure K Figure L Figure M Installed Ramp Stowed RA500 w/o Fixed Sub floor Figure NFigure P Other hot areas Route cables clearExhaust system Moving parts. FailureInstaller-provided Positive + batteryLead wire must be Protected byMaintenance and Lubrication Lubrication DiagramMaintenance and Lubrication Introduction CyclesYear or 1250 Cycles Properly Electronic ControllerController only if ramp does not function Establish a connection between the computerSystems Descriptions Deploy Limit Stow Limit Adjust limits as followsLimit Adjustment Chart Operation Deploy MIN. Stow MAXManual Calibration Instructions for Controller PortImproper microswitch Adjustment mayIN-Limit Microswitch Manual Release Signal MicroswitchTroubleshooting Troubleshooting Diagnosis ChartDeploy Repair Parts Qty Description RA500-3236Detail a Exploded ViewWiring Schematic RampWiring Diagram Cond Wire CodeDaily Preventive Maintenance Schedule Pre-Trip InspectionProviding Access to the World Braun Commercial RA500 Transit Ramp