Braun Corporation RA300 Manuel

Operator's/Installation/Service Manual

35883

December 2009

Braun RA300 Transit Ramp

ARNING

ual

Man

Read manual

before operating,

installing or

servicing ramp.

Failure to do so

may result in

serious bodily

injury and/or

property damage.

"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

for

Low-Floor Transit Vehicles

Commercial

Braun

RA300 Transit Ramp

Model BF3462Y

Braun

RA300 Transit Ramp

Model BF3462Y

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.

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.

THE BRAUN CORPORATION

Ralph W. Braun

Chief Executive Ofﬁcer

Sincerely,

Page 1

CONTENTS

Ramp Terminology

Ramp Terminology Illustration .................................... 2

Ramp Components Terminology Illustration ............. 3

Introduction ................................................................... 4

Ramp Components........................................................ 5

Ramp Actions and Functions....................................... 5

Ramp Operation

Ramp Operation Safety

Safety Symbols ......................................................... 6

Ramp Operation Safety Precautions ..................... 6, 7

Operation Notes and Details

Ramp Access Doors and Interlocks .......................... 8

Operation Procedure Review .................................... 9

Preventive Maintenance ............................................ 9

Ramp Operation

Ramp Power Operation............................................ 10

Ramp Manual Operation.....................................11, 12

Ramp Passenger Safety .................................... 12, 13

Ramp Installation

Installation/Service Safety

Safety Symbols ....................................................... 14

Ramp Operation Safety Precautions ................. 14, 15

Installation Instructions

Installation Requirements......................................... 15

Chassis Requirements............................................. 15

Door Opening........................................................... 16

Obstructions............................................................. 16

Installation Illustrations........................................ 16-18

Electrical Connections.............................................. 20

Electrical Connections Illustration ............................ 21

Maintenance and Lubrication

Lubrication Diagram ................................................... 22

Maintenance and Lubrication Schedule .............. 23-25

Microswitch Adjustment .................................... 26, 27

Depoly and Stow Pressure Adjustment .................. 28

Troubleshooting

Troubleshooting Diagnosis Chart ........................ 29-31

Electrical Schematic - BF3462Y ................................. 32

Wiring Diagram - BF3462Y.......................................... 33

Hydraulics

Hydraulic Schematic - BF3462Y................................. 34

Hydraulic Diagram and Parts List - BF3462Y ........... 35

Repair Parts

RA300 Ramp Exploded View

Repair Parts List ....................................................... 36

Exploded View (Fold Out) .............................37A, 38A

Speciﬁcations and Dimensions ................... 37B, 38B

Page 2

RAMP TERMINOLOGY

Refer to the illustration below and the illustrations

on next page for identiﬁcation of components and

clariﬁcation of direction terminology. Details regard-

ing lift model variations, terminology, direction and

components are provided on pages 4 and 5.

As viewed from outside the vehicle

LEFT

RIGHT

OUT

Ramp Terminology Illustration

Vertical

Side Plate

(Barrier)

Pan

Weldment

Sub ﬂoor

(Fixed)

Inboard Ramp

(Stage One)

Outboard

Ramp

(Stage Two)

Drive

Arm

Drive

Arm

Assist

Chain

Manual

Release

Assembly

Page 3

Note: The assist chains,

electrical harness, sub ﬂoor

and transition threshold

plate removed from these

illustrations for clear view.

RAMP TERMINOLOGY

Ramp Components Terminology Illustration

Cylinder

Pump

Manual

Release

lever

As viewed from outside the vehicle

Pan

Weldment

Relays

Counter

Pump

Ramp

Drive Arm

Cam/Microswitch

Assembly

Cylinder

Relays

Counter

Cam/Microswitch

Assembly

Pump

Ramp

Drive Arm

Manual

Release

Assembly

Cylinder

Pump

Manual

Release

lever

LEFT

RIGHT

OUT

Manual

Release

Assembly

Page 4

Introduction

Braun RA300 Series transit

ramps are designed for use in

low-ﬂoor transit vehicles. The

RA300 provides vehicle ac-

cess to wheelchair passengers

or standees using other type

mobility aids. The commercial

oriented ramp is ADA compliant

(dependant upon installation

height). See the Installation

section for ADA speciﬁcations.

The self-contained “drop-in”

unit requires no remote pump,

external hydraulic lines or pre

assembly. The hydraulic and

electrical components are

internal and easily accessible.

A single electrical feed provides

the power supply (12 volt), the

ground, a ramp deploy signal

(+), a ramp stow signal (+) and

various indicator signals.

RA300 model BF3462Y features

a 34" wide ramp in a 36" wide

package. A “ﬂoor pocket” built

into the chassis/ﬂoor system

allows for simple installation (di-

mensional requirements speci-

ﬁed in the Installation section).

The RA300 is speciﬁcally

designed to be operated by an

attendant. The installer provides

an appropriate control switch for

the end user. Consequently, the

operating instructions contained

in this manual are generic due to

the limitless variables.

The RA300 provides fully

automatic operation of ramp

functions. The electric/hy-

draulic system is controlled by

two relays which activate the

hydraulic pump in opposite

directions for deploy and stow

functions (powering dual-acting

hydraulic cylinders). No sensi-

tive electronic controls or sen-

sors are required for operation.

RA300 model numbers with

sufﬁx "Y" are hydraulic fold

with gravity down "drift" feature

when deploying and stowing.

When deploying the ramp, the

motor stops running when the

ramp reaches an approximate

45° angle. The ramp continues

to slowly lower the remaining

distance by the force of gravity.

When stowing the ramp and

it folds inward beyond the 15°

shut off point, gravity lowers

the ramp to the pan.

The pressure relief valves built

into the pump prohibit the ramp

from lifting (raising) with ap-

proximately 40 pounds or more

on the ramp.

Instructions are provided for

manual operation of the ramp.

See Manual Operation on the

following page for further details.

Read and become familiar with

all operation safety precautions,

operation notes and details, op-

erating instructions and manual

operating instructions before

attempting operation.

Terminology: Become familiar

with the terminology that will be

used throughout this manual.

Become familiar with the iden-

tiﬁcation of RA300 components

and their functions. Contact your

sales representative or call The

Braun Corporation at 1-800-THE

LIFT®if any of this information is

not fully understood.

Direction: The terms “left”,

“right”, “in” and “out” will be used

throughout this manual to indi-

cate direction (as viewed from

the outside of the vehicle looking

directly at the ramp). Refer to

the Terminology Illustrations for

clariﬁcation of direction terms.

RAMP TERMINOLOGY

Page 5

Ramp Components

Refer to the Terminology Illustra-

tions on pages 2 and 3.

Pan Weldment (Housing):

The pan is the stainless steel

(casing) mounted in the vehicle

ﬂoor system which contains the

hydraulic pump and electrical

components that power the ramp

electric/hydraulic systems. The

ﬁxed sub-ﬂoor cover protects the

components from above. The

cover is easily removed for ac-

cess to drive components. The

sub-ﬂoor provides an antiskid

surface for entry and exit when

the ramp is deployed. The

RA300 stows (folds) onto the sub

ﬂoor providing an unobstructed

antiskid surface for entry and exit

when the ramp is not in use.

Ramp Assembly: The ramp

assembly is made of an inboard

ramp section (stage one) and an

outboard ramp section (stage

two). Each aluminum ramp sec-

tion features vertical side plates

and full antiskid surface.

Drive Arm Assembly:

The cylinder driven two stage

drive arm assemblies deploy and

stow the ramp assembly.

Ramp Actions and Functions

Deploy: Deploy is the action

of the ramp assembly extend-

ing and unfolding to ground

level when the DEPLOY (OUT)

switch* is activated (*installer

supplied).

Stow: Stow is the action of the

ramp assembly raising and fold-

ing inward to stow position when

the STOW (IN) switch* is acti-

vated (*installer supplied).

Stow Position: Stow position

is achieved when the two stage

ramp assembly is fully retracted

and folded (resting fully on the

pan weldment).

Manual Override: A cable-acti-

vated manual release engages

and disengages the hydraulic

system. A T-handle is provided

for activation of the manual

release. Pulling the T-handle out

pushes a pump valve to release

pressure (turn T-handle to lock in

released position). Disengaging

the hydraulic system allows the

ramp to be manually deployed

and stowed (hydraulic pressure

released). See Ramp Manual

Operation on page 11 for further

details.

RAMP TERMINOLOGY

Page 6

Ramp Operation Safety Precautions

ARNING

If the ramp operating

instructions, manual

operating instructions

and/or ramp operation

safety precautions are

not fully understood,

contact The Braun

Corporation immedi-

ately. Failure to do so

may result in serious

bodily injury and/or

property damage.

Read manual and supplement(s) before operating ramp.

Read and become familiar with all safety precautions,

operation notes and details, operating instructions and

manual operating instructions before operating the ramp.

Note: All transit agency personnel (drivers and ramp at-

tendants) must read and become familiar with the con-

tents of this manual and supplement(s) before operation.

Load and unload on level surface only.

Engage vehicle parking brake before operating ramp.

Provide adequate clearance outside the vehicle to accom-

modate the ramp before opening lift door(s) or operating

ramp.

ARNING

Inspect ramp before operation. Do not operate ramp if you suspect ramp damage, wear

or any abnormal condition.

Keep operator and bystanders clear of area in which the ramp operates.

Load and unload clear of vehicular trafﬁc.

Open ramp door(s) fully and secure before operating ramp.

Do not overload or abuse. The rated capacity is 300 kilograms (660 pounds).

RAMP OPERATION

ARNING

Safety Symbols

SAFETY FIRST! Know That....

CAUTION

This symbol indicates

important information

regarding how to

avoid a hazardous

situation that could

result in minor person-

al injury or property

damage.

supplements (if included), is pro-

vided for your safety. Familiarity

with proper operation instructions

as well as proper maintenance

procedures are necessary to en-

sure safe, trouble free operation.

Safety precautions are provided

to identify potentially hazardous

situations and provide instruction

on how to avoid them.

All information contained

in this manual and B

ARNING

This symbol indicates

important safety

information regarding

a potentially hazard-

ous situation that

could result in serious

bodily injury and/or

property damage.

DNote: Additional information provided to help clarify or detail a speciﬁc subject.

These symbols will appear throughout this manual. Recognize the seriousness of this information.

Page 7

Do not activate control switch(es) when anyone is near the area in which ramp operates.

It is the responsibility of the attendant to oversee and assist ramp passengers.

The wheelchair passenger and/or attendant must ensure the ramp is fully deployed

before exiting the vehicle.

Attendants must never operate the vehicle, the ramp or attend to passengers if intoxi-

cated.

Intoxicated passengers should not be allowed to board the vehicle.

Wheelchair passengers must position and secure (buckle, engage, fasten, etc.) the

wheelchair-equipped occupant seat belt before loading onto the ramp.

Be aware of the ramp slope (angle).

Wheelchair passengers should not raise front wheelchair wheels (pull wheelie) when on

the ramp.

The wheelchair must be positioned in the center of the ramp when loading and unloading.

Keep ramp owner’s manual in ramp-equiped vehicle at all times.

Maintenance and lubrication procedures must be performed as speciﬁed in this manual

by authorized (certiﬁed) service personnel.

Never modify (alter) a Braun Corporation ramp.

Do not use accessory devices not authorized by The Braun Corporation.

Do not remove any guards or covers.

If the information contained in this manual is not fully understood, contact The Braun

Corporation immediately.

Failure to follow these safety precautions may result in serious bodily injury and/or prop-

erty damage.

RAMP OPERATION

ARNING

Ramp Operation Safety Precautions

ARNING

Page 8

Attendants must become familiar

with the vehicle ramp access door

system and interlock(s), as well

as the proper operation of the

ramp.

Vehicle ramp access door con-

ﬁgurations and operation proce-

dures vary. Ensure the ramp door

is fully open before activating the

ramp (an interlock typically pre-

vents ramp operation unless the

door is fully open). Attendants

and passengers must keep clear

of the area in which the power

door operates. Ensure the path

is clear before closing the door.

Be sure the door is fully closed

before attempting to drive the ve-

hicle (interlocks typically ensure

this).

Interlocks are required by nearly

all transit authorities. Vehicle

interlocks typically prevent vehicle

motion if the ramp is not stowed.

In some cases, the ramp cannot

be operated if interlock conditions

are not met. Multiple interlocks

may exist.

Instructions for operation of

interlocks and door systems are

not be addressed in this manual

due to the variety of procedures

required for operating them.

It is the responsibility of the driver/

attendant to properly open and

close the ramp access door(s),

to activate interlock(s) and to

properly activate the ramp power

functions.

Ramp Access Doors and Interlocks

The RA300 provides vehicle ac-

cess to wheelchair passengers or

standees using other type mobil-

ity aids. The commercial oriented

RA300 is operated by the transit

vehicle driver/attendant. Unless

your transit agency has a pub-

lished policy stating that driver/at-

tendants do not aid ramp passen-

gers, safe entering and exiting of

ramp passengers is the responsi-

bility of the driver/attendant.

General instructions for safe op-

eration of the ramp are provided.

Ramp safety and ramp passenger

safety information is included.

Read and become familiar with

all ramp operation safety precau-

tions, operation notes and de-

tails, operating instructions and

manual operating instructions

before attempting ramp operation

procedures or assisting ramp pas-

sengers boarding and exiting the

vehicle.

Do not operate the ramp if you

suspect ramp damage, wear or

any abnormal condition. Dis-

continue use immediately and

contact The Braun Corporation

at 1-800-THE LIFT®. One of our

national Product Support repre-

sentatives will direct you to an

authorized service technician who

will inspect the ramp.

RAMP OPERATION

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