Manual Mode (Normal Operation); Mode Activation And Deactivation; Brake Dynamometer Test Sequence - Bosch BSA 42 Series Operating Instructions Manual

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5.

Manual mode (normal operation)

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Manual mode is required for the performance of
single wheel measurements or for noise simulation.
Principal features:
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Test sequence can be selected by user.
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Measurements must be started manually.
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Measurement results can be stored.
5.�

Brake dynamometer Test sequence

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The weight is required for calculation of deceleration. The weight can be entered or measured as follows:
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Manual entry using remote control unit (refer to Section 5.3.1).
Manual weight entries have precedence over measured weight values.
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Axle load scales in brake dynamometer (special accessory).
Use is automatically made of the measured weight if the weight has not been entered manually.
Step
1. Check prerequisites:
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No vehicle on brake dynamometer!
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Test routine selected.
2. Drive vehicle onto dynamometer.
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With the axle to be measured first and
keeping the vehicle straight.
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Disengage gear.
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Release brake pedal.
!
If the vehicle is not straight on the
set of rollers, it will slide off to the
side. Counter-steer until the vehicle
returns to straight position on the set
of rollers. Measurement is not to be
started before this has been done.
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It may be necessary to drive off the set
of rollers and then drive the vehicle
back on.
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1 691 506 010 2009-05-25
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Measurement results can be printed out.
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Single wheel measurements are possible.
5.1

Mode activation and deactivation

Manual mode is the standard factory default setting.
Following termination of other modes, the BSA 42xx re-
turns to manual mode.
�nalog display Remote
control unit
Result / �nalog display
? Warning lamp OFF.
? LCD:
Drive-on prompt.
? Axle to be measured is positioned
on set of rollers.
? If use is being made of axle load
scales (special accessory):
LCD:
Axle load in kilograms.
Robert Bosch GmbH