MAHA TPS II Bedienungsanleitung

D1 1005BA1-GB01

TPS II for Eurosystem

Speedometer Tester

for trucks, passenger cars and transporters

Addition to the operating manual for Eurosystem TRUCK

Original Operating Instructions

TPS II Eurosystem TRUCK

II D1 1005BA1-GB01

EDITION

1.edition of this Operating Manual dated 23 October 2000

Addition to the Operating Manual for Eurosystem TRUCK

Eurosystem software version V 2.10

with prior consent of MAHA GmbH & Co. KG

The contents of this version have been checked with great care. However, errors cannot be fully

excluded. Please contact MAHA should you find errors of any kind.

Subject to technical change without notice.

These instructions are intended for users with previous technical knowledge in the field of

vehicle testing technology and MS Windows operating system applications.

Windows and Windows for Workgroups are registered trademarks of the Microsoft Corporation.

MANUFACTURER

MAHA Maschinenbau Haldenwang GmbH & Co. KG

Hoyen 20

D-87490 Haldenwang/Allgäu

Telephone: 08374 / 585-0

Telefax: 08374/ 585-499

Internet: http://www.maha.de

e-mail: m[email protected]

SERVICE

MAHA Maschinenbau Haldenwang GmbH & Co. KG

- Service Dept. -

Hoyen 20

D-87490 Haldenwang/Allgäu

Hotline: 08374 / 585 + extension

260 for brake testers, test lanes

280 for lifting technology

290 for performance testers, exhaust and air conditioning service equipment

Service: 08374 / 585-110 to - 113, - 115

Telefax: 08374 / 585-491

TPS II Eurosystem TRUCK

D1 1005BA1-GB01 III

TABLE OF CONTENTS

1Safety .........................................................................................................................1

1.1 Introduction ....................................................................................................................................1

1.2 Safety Instructions .........................................................................................................................1

2Description ................................................................................................................3

2.1 Introduction ....................................................................................................................................3

2.2 Usage, Range of Application .........................................................................................................3

2.3 Installation......................................................................................................................................3

2.4 Noise Emission..............................................................................................................................4

2.5 Equipment Overview......................................................................................................................4

2.6 Technical Specifications TPS II.....................................................................................................4

3Operations.................................................................................................................5

3.1 Introduction ....................................................................................................................................5

3.2 Testing Procedure..........................................................................................................................5

3.2.1 Securing the Test Vehicle ..............................................................................................6

3.2.2 Speedometer Test..........................................................................................................6

3.2.3 Travel Distance Test.......................................................................................................8

3.2.4 Storage of Test Values.................................................................................................10

3.2.5 Reviewing of Measurements........................................................................................10

3.2.6 Prepare New Test.........................................................................................................10

4Maintenance & Troubleshooting............................................................................11

4.1 Maintenance ................................................................................................................................11

4.2 Troubleshooting ...........................................................................................................................12

TPS II Eurosystem TRUCK

IV D1 1005BA1-GB01

TPS II Eurosystem TRUCK

D1 1005BA1-GB01 1

1 Safety

1.1 Introduction

Please read the standard operating procedures and user’s manual thoroughly and carefully

before commissioning the machinery and comply with the instructions. The operating manual

should always be conveniently stored to be readily available at all times.

This operating manual is an addition to the operating manual for the testing lane Eurosystem

TRUCK. All safety instructions provided in chapter 1 of these operating instructions must be

complied with.

Apart from the safety instructions mentioned above, no additional safety instructions apply for

the operation of the speedometer tester. The speedometer tester is not equipped with any

additional safety features.

1.2 Safety Instructions



The speedometer tester may only be operated by trained, authorized personnel.



The speedometer tester may only be used and operated for its intended purpose: Testing

the tachometer function up to 160 km/h up to 13 t axle load.



Sudden or strong braking actions and jerky accelerations are forbidden.



The vehicle must be secured with tightening belts onto the roller set.



Always drive straight onto the test stand’s rollers. Front-wheel drive vehicles must maintain a

straight driving direction.



Running vehicle engines represent potential carbon monoxide poisoning. The

operator/owner is responsible for providing sufficient air ventilation.



Due to the high noise level (>90 dB), appropriate ear protection should be worn.

No persons are allowed in the vicinity of the rollers while the test stand is in operation!

TPS II Eurosystem TRUCK Safety

2D1 1005BA1-GB01

TPS II Eurosystem TRUCK

D1 1005BA1-GB01 3

2 Description

2.1 Introduction

The speedometer tester is designed for vehicles with their speedometer connection at the

driven axle

2.2 Usage, Range of Application

The speedometer tester is a roller tester for the inspection of the speedometer function of

passenger cars and transporters. The speedometer tester permits the measurement of speed

deviation as well as the deviation of the mileage meter.

Trucks, passenger cars and transporters up to a total axle load of 13 t can be tested. The

speedometer tester and the surrounding work area must be kept clean.

The tester is automatically on when the test vehicle is driving at more than 5 km/h on the rollers.

If the speed falls below 5 km/h, the tester switches off automatically.

The recorded measuring values are transmitted to the Eurosystem communication desk and

then displayed on the screen. The storing and the reviewing of measurements is described in

the operating manual for the testing lane Eurosystem TRUCK.

2.3 Installation

The test stand may only be installed and commissioned by the manufacturer's trained

authorized personnel or other qualified technicians of MAHA dealers or representatives. MAHA

instructions must be followed when installing or expanding the testing device.

The manufacturers CE conformity declaration becomes invalid when the installation is not done

by qualified service technicians. MAHA is not liable for damage caused by unqualified, unautho-

rized installation. Further, the manufacturers warranty also becomes invalid.

TPS II Eurosystem TRUCK Description

4D1 1005BA1-GB01

2.4 Noise Emission

The noise emission test was conducted during the speedometer test, at the highest test speed

of 160 km/h.

Test results

A-evaluated sound pressure level: 105,0 dB(A) (averaged with all measuring points, see

measuring protocol)

A-evaluated acoustic power level: 103,4 dB(A) (calculation based on DIN 45635 Part 1)

Due to the high noise in the test room, ear protection should be worn.

2.5 Equipment Overview

2.6 Technical Specifications TPS II

Max. axle load 13 t

Testing speed 0 to 150 km/h

Weight 950 kg

Tracking width 820 to 2620 mm

Roller diameter 318 mm

Roller length 900 mm

Roller axle separation 457 mm

Dimensions roller set (HxWxL) 400 x 842 x 3000 mm

Air pressur lifting device min. 5 bar

Exit support Pneumatic lifting device with brake

TPS II Eurosystem TRUCK

D1 1005BA1-GB01 5

3 Operations

3.1 Introduction

Please also read chapter 3, Eurosystem PC-Program, in the operating manual for the testing

lane Eurosystem TRUCK.

The storing and the reviewing of measurements is described in the operating manual for the

testing lane Eurosystem TRUCK.

3.2 Testing Procedure

In order to start the test procedure, the monitor

must show the main menu. The instruction line

must show the following message:

No vehicle loaded. Select with <1>.

If this message does not appear press

<F8 NEW VEHICLE>.

Now the test lane is ready for a vehicle to be

driven on.

When the vehicle drives onto the individual

equipment the corresponding test screen is

blended in.

Always pay attention to the messages and instructions on the instruction line during testing

(in the description this is indicated by Instruction text ).

The recorded measurement values are automatically taken over in the temporary memory and

remain there until they are stored in connection with customer/vehicle or until they are

overwritten when a new test is conducted.

The following guides the user through the testing procedure step by step. You should be familiar

with the usage of the individual screen elements and the keyboard. If this is not the case, please

read the following sections of the operating manual for the testing lane Eurosystem TRUCK:



3.4 Screen Design



3.5 Using the Main Mask



3.6 Using the Button Strip

TPS II Eurosystem TRUCK Operations

6D1 1005BA1-GB01

3.2.1 Securing the Test Vehicle

It is highly recommended to tie down the test vehicle with a restraining strap system. The tie

plates for fastening the restraining straps are available at the manufacturer. The restraining

strap system avoids skidding of the test vehicle within the roller set.

In order to secure the vehicle, the two restraining straps must be laid around the vehicle’s

towing lug and fixed on the tie plates. Front-wheel drive vehicles have to be secured at the front,

rear-engine drive vehicles at the rear. Cover the restraining straps in the area around the towing

lug with a wear-resistant hose to avoid excessive abrasion.

3.2.2 Speedometer Test

Rotating test stand rollers are potentially dangerous! Risk of injury!

The speedometer tester permits the measurement of the difference between the actual vehicle

speed and the speed displayed on the tachometer of the vehicle.

The speedometer test can be conducted by using the keyboard or the remote control. If a

remote control is not available, a second person will be needed to perform the test.

1 Drive onto the test stand

a. Drive the driven axle of the vehicle

slowly onto the roller set.

⇒The vehicle must be positioned

straight and centered on the roller set.

b. Apply the parking brake.

2 Preparations

Secure the vehicle with tightening belts.

3 Lower lifting device

a. Press key <T>.

The following screen appears:

b. Use the <F9> key to select the lifting

device (raise/lower).

Use the <ESC> key to leave this screen.

ATTENTION : Starting from software

version V2.12 the <F4> key must be used

instead of the <T> key to lower the lifting

device. The function of the <F9> key for

switching over the lifting device

(raise/lower) is still the same.

4 Start the testing program

Accelerate the vehicle up to 5 km/h to start

the testing program.

⇒The screen opposite appears.

Accelerate the vehicle to the target value

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