Braun RA400 Bedienungsanleitung

Operator's/Installation/Service Manual

for Low-Floor Transit Vehicles

35168

November 2008

Braun RA400 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.

Braun

RA400 Transit Ramp

Model FF3248Y-24V

Commercial

Braun

RA400 Transit Ramp

Model FF3248Y-24V

"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

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 Component Terminology Illustrations ............. 3

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

Terminology................................................................ 4

Direction..................................................................... 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 ....................................... 8

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

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

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

Ramp Operation

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

Power Ramp Safety ................................................. 10

Gravity Drift Down.................................................... 10

Ramp Manual Operation...........................................11

Ramp Passenger Safety .....................................11, 12

Ramp Installation

Installation/Service Safety

Safety Symbols ....................................................... 13

Ramp Operation Safety Precautions ................. 13, 14

Installation Instructions

Installation Requirements......................................... 14

Chassis Requirements ............................................. 14

Door Opening........................................................... 14

Obstructions............................................................. 15

Installation Illustrations........................................ 15-17

Electrical Connections.............................................. 18

Electrical Connection Illustration.............................. 19

Maintenance and Lubrication

Lubrication Diagram ................................................... 20

Maintenance and Lubrication Introduction .............. 21

Maintenance and Lubrication Schedule .............. 21-23

Troubleshooting

Troubleshooting Diagnosis Chart ........................ 24-26

Electrical Schematic - FF3248Y-24V .......................... 28

Wiring Diagram - FF3248Y-24V................................... 29

Hydraulics

Hydraulic Schematic - FF3248Y-24V.......................... 30

Hydraulic Diagram and Parts List - FF3248Y-24V .... 31

Repair Parts

RA400 Ramp Exploded View

Repair Parts List ....................................................... 32

Exploded View (Fold Out) .............................33A, 34A

Speciﬁcations and Dimensions ....................33B, 34B

Braun®Limited Warranty .................................... 35-37

Page 2

RAMP TERMINOLOGY

Refer to the illustration below and the illustrations on

page 3 for identiﬁcation of components and clariﬁca-

tion of direction terminology.

As viewed from outside the vehicle

Left

Right

Out

Ramp Terminology Illustration - FF3248Y-24V

Vertical

Side Plate

(Barrier)

Pan

Weldment

Sub ﬂoor

(Fixed)

Ramp

Drive Arm

Linkage

Drive

Arm

Page 3

Note: The sub ﬂoor, pan sup-

port structures and the ramp

have been removed from these

illustrations to provide a clear

view of the internal components.

RAMP TERMINOLOGY

Ramp Component Terminology Illustrations - FF3248Y-24V

Cylinder

As viewed from outside the vehicle

Out

Right

Left

Pan Weldment

Pump

Ramp

Drive Arm

Relays

Pump

Cylinder

Counter

Cam/Hydraulic

Assembly

Cam/Microswitch

Assembly

As viewed from outside the vehicle

Left

Right

Out

Drive Arm

Linkage

Drive

Arm

Page 4

Introduction

Braun RA400 Series Transit

Ramps (to be referred to as

RA400 throughout this manual)

are designed for use in low-ﬂoor

transit vehicles. The RA400

provides vehicle access to people

with disabilities (wheelchair pas-

sengers or standees using other

type mobility aids). The commer-

cial oriented ramp is ADA compli-

ant (dependant upon installation

height). See the Installation sec-

tion for ADA speciﬁcations.

The self-contained “drop-in” unit

requires no remote pump, exter-

nal hydraulic lines or pre assem-

bly. The hydraulic and electrical

components are internal and eas-

ily accessible. A single electrical

feed provides the power supply

(24 volt), the ground, a ramp OUT

signal (+), a ramp IN signal (+)

and various indicator signals.

A “ﬂoor pocket” built into the chas-

sis/ﬂoor system allows for simple

installation (dimensional require-

ments speciﬁed in the Installation

section).

The RA400 is speciﬁcally de-

signed to be operated by an

attendant. The ramp installer

provides an appropriate control

switch for the end user. Conse-

quently, the operating instruc-

tions contained in this manual

are generic due to the limitless

variables.

The RA400 provides fully auto-

matic operation of ramp functions.

The electric/hydraulic system is

controlled by two relays which ac-

tivate the hydraulic pump in oppo-

site directions for deploy and stow

functions (powering dual-acting

hydraulic cylinders ). No sensitive

electronic controls or sensors are

required for operation.

All RA400 ramp models feature

gravity down "drift" during the

deploy cycle. When deploying

the ramp, the motor stops running

when the ramp reaches an ap-

proximate 45° angle. The ramp

continues to slowly lower the

remaining distance by the force of

gravity. When stowing, the ramp

folds inward until it's beyond the

45° shut off point, then gravity

lowers the ramp to the pan.

The pressure relief valves built

into the pump prohibit the ramp

from lifting (raising) with approxi-

mately 20 pounds or more on the

ramp.

Instructions are provided for

manual operation of the ramp

in event of power or equipment

failure. See Manual Override

on the following page for further

details.

Read and become familiar with

all operation safety precautions,

operation notes and details,

operating instructions and manual

operating instructions before at-

tempting operation.

Terminology: Become familiar

with the terminology that will be

used throughout this manual.

Become familiar with the iden-

tiﬁcation of RA400 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 indicate

direction (as viewed from the out-

side of the vehicle looking directly

at the ramp). Refer to the Termi-

nology 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

RA400 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 as-

sembly is made of an aluminum

ramp section. The ramp features

vertical side plates and full anti-

skid surface.

Drive Arm Assembly: The

cylinder driven drive arm assem-

blies deploy and stow the ramp

assembly.

Ramp Actions and Functions

Deploy: Deploy is the action of

the ramp assembly raising and

unfolding (rotating) 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 (rotating) inward to stow posi-

tion (ﬂoor level) when the STOW

(IN) switch* is activated (*installer

supplied).

Stow Position: Stow position

is achieved when the ramp as-

sembly is resting fully on the pan

weldment (rotated inward and

lowered fully).

Manual Override: Manual

operation is achieved without the

use of any mechanical release or

complicated procedures. Simply

manually deploy or stow the ramp

assembly. A strap is provided on

the ramp to manual deploy the

ramp from the stowed position.

Minimal physical effort is required

to route the hydraulic ﬂuid through

the system. Slow steady motion

results in the least resistance and

easy operation. The faster you

attempt to manually operate the

ramp, the greater the resistance.

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 lift 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.

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-mounted 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 (continued)

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. Interlock require-

ments may include: the vehicle

transmission must be engaged in

Park, the parking brake must be

engaged, the ramp access door

must be fully open and/or others.

Multiple interlocks may exist.

Instructions for operation of

interlocks and door systems will

not be addressed in this manual

due to the variety of procedures

required for operating them.

General instructions for safe

operation of the ramp are pro-

vided. Ramp safety and ramp

passenger safety information is

included. It is the responsibil-

ity of the attendant to properly

open and close the ramp access

door(s), to activate interlock(s), to

properly activate the ramp power

functions as well as assist ramp

passengers.

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 Access Doors and Interlocks

The RA400 Ramp provides

vehicle access to people with

disabilities (wheelchair passen-

gers or standees using other type

mobility aids). The commercial

oriented RA400 Ramp is operated

by the transit vehicle driver/atten-

dant. Unless your transit agency

has a published policy stating that

driver/attendants do not aid ramp

passengers, safe entering and

exiting of ramp passengers is

the responsibility of the driver/

attendant.

As stated in the Ramp Operation

Safety section, all information in

this manual is provided for the

safety of passengers, attendants

and bystanders. Recognize the

seriousness of this information.

Read and become familiar with

all ramp operation safety pre-

cautions, operation notes and

details, operating instructions and

manual operating instructions

before attempting ramp opera-

tion procedures or assisting ramp

passengers boarding and exiting

the vehicle.

Operation Notes and Details

RAMP OPERATION

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