MAHA MSD 3000 Manuale utente
MSD 3000
Axle Damping Tester
Original Operating Instructions
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2BA031701-en
BA031701-en
2022-08-26
© MAHA Maschinenbau Haldenwang GmbH & Co. KG
The reproduction, distribution and utilization of this document as well as the communication of its contents
to others without explicit authorization is prohibited. Offenders will be held liable for the payment of
damages. All rights reserved in the event of the grant of a patent, utility model or design.
The contents of this edition have been checked with great care. However, errors cannot be fully excluded.
Subject to technical change without notice.
Manufacturer
MAHA Maschinenbau Haldenwang GmbH & Co. KG
Hoyen 20
87490 Haldenwang
Germany
Phone: +49 8374 585-0
Fax: +49 8374 585-590
Web: www.maha.de
Service
MAHA SERVICE CENTER
Maybachstraße 8
87437 Kempten
Germany
Phone: +49 8374 585-100
Fax: +49 8374 585-491
Web: www.mahaservicecenter.de
Contents
1Safety................................................................................................................................................................ 3
1.1Introduction.................................................................................................................................................. 3
1.2Symbols........................................................................................................................................................ 3
1.3Intended Use ................................................................................................................................................ 3
1.4Safety Instructions....................................................................................................................................... 3
1.5What to Do in the Event of an Accident...................................................................................................... 4
2Specifications................................................................................................................................................... 4
3Operation.......................................................................................................................................................... 6
3.1Important Information................................................................................................................................. 6
3.2Button Assignment...................................................................................................................................... 6
3.3Test Procedure ............................................................................................................................................ 7
3.4Limit Values ................................................................................................................................................. 8
3.4.1Interpretation of Results ....................................................................................................................... 8
3.4.2Setting the Limit Values........................................................................................................................ 8
3.5Redisplay of Measurements ....................................................................................................................... 9
3.6Additional Functions.................................................................................................................................. 10
3.6.1Noise Detection................................................................................................................................... 10
3.6.2Weighing Mode.................................................................................................................................... 12
3.7Operation with IW/MBT LON Brake Testers ............................................................................................ 13
4Maintenance................................................................................................................................................... 14
4.1Annual Inspection...................................................................................................................................... 14
4.2Maintenance by the Operator ................................................................................................................... 14
4.3Troubleshooting......................................................................................................................................... 15
4.4Spare Parts................................................................................................................................................. 15
5Dismantling .................................................................................................................................................... 15
6Contents of the Declaration of Conformity .................................................................................................. 15
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1Safety
1.1 Introduction
Thoroughly read this manual before operating the equipment and comply with
the instructions. Always display the manual in a conspicuous location.
Personal injury and property damage incurred due to non-compliance with these
safety instructions are not covered by the product liability regulations.
1.2 Symbols
Important safety instructions. Failure to comply with instructions could result in
personal injury or property damage.
Important information.
1.3 Intended Use
This equipment is to be used exclusively for the testing of shock absorbers and
suspension systems of motor vehicles. Observe the rated axle load.
The equipment shall not be modified without the express written consent of the
manufacturer. In case of non-compliance the declaration of conformity
becomes void.
Any use other than described is inappropriate.
1.4 Safety Instructions
The tester may not be installed in hazardous locations or moist rooms such
as a car wash.
The tester may only be used for its intended purpose and within its stated
performance limits.
The tester may only be operated by trained personnel.
Keep the tester and the working area clean.
The tester must be turned off when not in use.
No persons are allowed in the danger zone of the tester. Plates in motion are
potentially dangerous!
Running vehicle engines represent a potential danger of poisoning. The own-
er/operator is responsible for providing sufficient air ventilation.
Service work may be done by authorized service technicians only.
Work on the electrical equipment may be done by certified electricians only.
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Turn off and padlock the main switch before doing any repair, maintenance
or setup work.
1.5 What to Do in the Event of an Accident
The injured person is to be removed from the danger area. Find out where
dressing and bandages are kept. Seek first-aid.
Provide first-aid (stop bleeding, immobilise injured limbs), report the accident
and seal off the accident site.
Immediately report any accident to your supervisor. Make sure a record is
kept of every occasion first-aid is provided, e.g. in an accident book.
Remain calm and answer any questions that may arise.
2Specifications
Track width (min….max.) mm 880…2200
Exciter swing mm 6.5
Exciter frequency Hz 2…10
Measuring range (max.)
displacement mm approx. 70
Indicating accuracy of full scale
value % 2
Axle load, testable kg 2200
Axle load, traversable kg 2500 (standard) / 13000 (option)
Supply voltage V 1 x 230
Frequency Hz 50/60
Fuse protection A 16
Motor power kW 2 x 1.1
Total weight kg approx. 650
Tester dimensions (L x W x H) mm 2320 x 800 x 280
Shipping dimensions (L x W x H) mm 2400 x 1000 x 700
Specifications are subject to change without notice.
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3Operation
3.1 Important Information
Operation of this tester is supported by the EUROSYSTEM Software ≥V 7.10.
The tester shows its highest measuring accuracy at a limit value of
D = 0.1 ± 0.01.
Fully functional shock absorbers have a somewhat higher deviation
(D = 0.25 ± 0.03) due to their relatively small amplitude.
If a vehicle is tested several times in a row, the shock absorber fluid heats up
and gets less viscous. This may also affect the shock absorber performance.
During the test place the gear lever in idle/neutral position, do not press the
clutch pedal and do not apply the service brakes or the parking brake.
The tester measures the complete axle damping rate, not the condition of the
shock absorbers.
The manufacturer is not liable for damage or costs incurred due to faulty
evaluation of shock absorbers.
3.2 Button Assignment
Button Key Assignment
F2 Previous page
F3 Next page
F4 Start page (Main menu)
Page One level up
Page One level down
F1 Start help
F12 Start printout
Esc Exit page
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3.3 Test Procedure
1 Drive the vehicle onto the test plates
with the front axle.
The wheels must be positioned
straight in the center of the test
plates and must not be blocked by
an engaged gear or brake.
The tester is activated automatically
once the load on both test plates
exceeds 100kg.
The tester conducts a controlled
measurement from 10…5 Hz. Both
sides are measured simultaneously.
At completion of the measurement
the tester switches off
automatically.
The damping rate D is determined
and displayed on the screen.
2 Drive the vehicle onto the test plates
with the rear axle.
The test is repeated in the same way
as for the front axle.
Use <F5> to display the amplitudes
either in separate diagrams or one on
top of the other in the same diagram.
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3.4 Limit Values
3.4.1 Interpretation of Results
Display GREEN YELLOW RED
2nd Measurement
(automatic,
single wheel)
D > 0.1
and
D ≤40%
D ≤0.1
and/or
D > 40%
D > 0.1
and
D ≤40%
D ≤0.1
and/or
D > 40%
Interpretation OK OK Defective OK Defective
Reference value for new vehicles: D = 0.2…0.3
3.4.2 Setting the Limit Values
1 From the main menu, switch to the
third level using <Dn>.
2 <F5> System.
3 <2> Settings.
4 <M> Devices Limit values.
The following limit values can be set:
D defective
D ok
Difference D defective
Difference D ok
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3.5 Redisplay of Measurements
1 In the main menu: Menu item <1>
Select vehicle.
2 Mark desired entry and load data
using <F8>.
3 <3> Review measurement values.
4 <M> External equipment.
5 <G> Shock tester.
6 Use <F2> and <F3> to switch
between front and rear axle.
7 Use <F12> to start the printout.
1
2
3 4
5
6 7
2
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3.6 Additional Functions
3.6.1 Noise Detection
The Noise Detection option can be activated via software.
Selecting Noise Detection
1 From the main menu, switch to the
second level using <Dn>.
2 <F8> Shock absorber.
3 <1> Noise detection.
or
1 In the main menu, select <7> Test
procedure.
2 <K> Shock tester Noise detection.
Starting the Motors
Use <F6> or <F7> to start the left- or
right-side motor respectively.
Use <F5> to switch off both motors.
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