Checking Display Stability; No Sensor; Spare And Wearing Parts - Bosch BEA 055 Manual Original

5.4.5

Checking display stability

¶
Detach the hose at the exhaust gas measurement
inlet of the BEA 055.
i
There must not be any engine exhaust gases, gaso-
line or cleaning agent vapors in the atmosphere in
the vicinity of the BEA 055.
Select "Diagnosis >> Engine/gas values" in the Bosch
Emissions Analysis. The current gas values are dis-
played following zero calibration and the HC residue
test.
Observe the display for approx. 2 minutes with regard
to limit values and stability.
Fluctuation error limits (noise):
Gas Set value
CO 0 % by vol
CO 0 % by vol
2
HC 0 ppm by vol
O 20.9 % by vol
2
The HC display must have settled after approx. 2 min-
utes to a value < 12 ppm by volume.
5.4.6 O sensor
2
Over the course of time, the O
wear. The oxygen measurement zero point is constantly
monitored. In the event of deviation, the fault message
" O2 sensor setting incorrect
message indicates the need for O
For details of O sensor installation and setting, refer to
2
the fitting instructions 1 689 978 178.
!
Use is only to be made of a genuine O
the designation BOSCH A7-11.5, CLASS R-17A BOS,
CLASS R-17A SIE or W79085-G4003-X (order num-
ber 1 687 224 727).
The O sensor contains an alkaline solution.
2
Alkaline solutions cause severe burns on
bare skin.
¶
Immediately rinse any areas of skin affected
with water and then consult a doctor.
¶
The O sensor is a hazardous waste
2
product and must be disposed of sepa-
rately. Bosch franchised dealers will
ensure proper disposal of the sensor.
!
Old O sensors are classed as hazardous waste and
2
must be disposed of in accordance with the ap-
plicable regulations. The disposal code is 16 05 02
(European waste catalog: EAK code). In addition,
these parts can be sent back to the manufacturer for
disposal.
Robert Bosch GmbH
Fluctuation
±0.005 % by vol
±0.2 % by vol
±12 ppm by vol
±0.4 % by vol
sensor is subject to
2
" appears. This
sensor replacement.
2
sensor with
2
Operation | BEA 055 | 23
5.4.7

NO sensor

Over the course of time, the NO sensor is subject to
wear. The NO measurement zero point is constantly
monitored. In the event of deviation, the following fault
message appears: " NO channel setting outside
tolerance ". The NO sensor must then be replaced
and the NO channel re-adjusted (refer to program
description of test system).
!
Always use the genuine NO sensor (NOXO 100 Nitric
Oxide Sensor; order number 1 687 224 954).
The NO sensor contains acid.
Acids cause severe burns on bare skin.
¶
Immediately rinse any areas of skin affect-
ed with water and then consult a doctor.
¶
The NO sensor is a hazardous waste
product and must be disposed of sepa-
rately. Bosch franchised dealers will
ensure proper disposal of the sensor.
!
Old NO sensors are classed as hazardous waste
and must be disposed of in accordance with the
applicable regulations. The disposal code is 16 05 02
(European waste catalog: EAK code). In addition,
these parts can be sent back to the manufacturer for
disposal.
5.5

Spare and wearing parts

Designation
BEA 055
O sensor
<)
2
NO sensor
<)
Coarse filter
<)
Active carbon filter
<)
Exhaust gas sampling hose for the BEA 055
and exhaust gas sampling probe (gasoline)
Test hose for leak test
<)
Power supply unit for the BEA 055
Power cable (1.5 m)
<)
USB connection cable (3 m)
<)
Wearing part
<)
en
Order number
1 687 023 550
1 687 224 727
1 687 224 954
1 687 432 005
1 687 432 014
1 680 703 043
1 680 790 049
1 680 706 040
1 687 023 601
1 684 461 119
1 684 465 562
|
1 689 989 181 2016-12-14