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10.17 Replacing the pressure
sensor
10.18 Replacing the water separator
! To install a new pressure sensor you must use a Phillips torque screwdriver with a
tightening torque of 0.3 Nm.
1.
Remove the plastic section which holds the disk drive and the hard disk.
2.
Remove from the measuring bank the 2-core connection cable leading from the
pressure sensor.
3.
Remove from the control module PCB the 2-core connection cable leading from the
pressure sensor.
4.
Pull off the hose line from the pressure sensor.
5.
Remove the pressure sensor by unscrewing the two fastening screws.
6.
Fit the new pressure sensor by proceeding in the reverse sequence to removal.
7.
Perform a function test of the new pressure sensor (Secs. 10.15 and 10.16).
1. Remove the three fastening screws
(1) from the floor panel in the interior
of the unit.
2. Remove the four fastening screws
(2) of the exhaust-gas analyzer modu-
le on the rear of the BEA unit.
3.
Pull the exhaust-gas analyzer module
approx. halfway out of the BEA.
4.
Remove all hose lines from the water
separator.
5.
Remove the O
measuring sensor (3)
2
from the rear of the exhaust-gas ana-
lyzer module.
6.
Remove the four fastening screws (4)
for the water separator.
7.
Take out the water separator.
8.
Fit the new water separator by pro-
ceeding in the reverse sequence to
removal.
9.
Re-attach all hose lines as shown in
the gas circuit diagram (Sec. 12.5).
10. Check that interconnection cables
are secure.
11. Perform a leak test (Sec. 4.2).
1
2
NO
2
PTB
XX.XX
XX.XX
GF 3
Abgasgerät für Motoren mit Fremdzündung
Propane- Faktor:
0,530
Kalibriergas :
Qmax: xxx L/h
Qmin: xxx L/h
Test :
Qsoll:
xxx L/h
Qmin: xxx L/h
Meßbereich:
0. .9999 ppm HC 0. .18..% vol C02
0,5 . . 9,999 Lamda
0. .10 %vol CO
0. .22..% vol C2
02-Sensoren:
Typ R 17 - A
RB-Nr.: 1 687 224 732
AF 1
Typ A7 - 11.5
RB-Nr.: 1 687 224 843
O IML R99-Class 1
Bj . : xxxx
Bj . : xxxx
Gerät halbjährlich warten !
NO
O
2
cal
4
3
Best. Nr. 1687 022 768
FD xxx
GF 2
459716/41Ha
4
79
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