Bosch BSA 42 Serie Instrucciones De Funcionamiento página 28

en �8 | BS� ���� | �utomatic mode
Step
4. Measure out-of-roundness (optional):
¶
Slowly press brake pedal until braking forces on left
and right are greater than 1000 N.
¶
Reduce braking force back down to rolling resistance.
¶
Press brake pedal and hold steady at a braking force
greater than 500 N.
5. Measure braking forces:
R
Slowly and steadily depress brake pedal until maxi-
mum braking force (slip) is attained.
R
Release brake pedal again.
i
Shut-off criteria:
$
Wheel lock-up (slip monitoring).
$
Vehicle out of position (slip rollers no longer
pressed).
$
Maximum braking force (slip) not attained on brak-
ing and braking action remains at rolling resistance
level for more than six seconds.
6. Wait until set of rollers starts up again automatically.
Then drive vehicle off set of rollers.
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Result / �nalog display
? The brake dynamometer recognizes this action as the
starting signal for measuring out-of-roundness.
? Out-of-roundness measurement starts 3 seconds
after releasing brake pedal.
? The out-of-roundness of the brakes is measured for
5 seconds.
? The LCD indicates the measurement result.
"
Out-of-roundness measurement is over.
? Peak value display (approx. 5 seconds).
$
Pointer: Maximum braking force on left and right.
$
LCD: Value displayed depends on display option
set (refer to Section 5.3.6).
"
Braking force measurement is over.
Robert Bosch GmbH