Intake Filter Gf2; Before Switching The Unit Off; Sensor; Scope Of Delivery - Bosch ETT 8.70 Bedienungsanweisung

7.5

Intake filter GF2

Replace the filter if very dirty (fault message E r r 1 for no flow)
or if HC residue is present.
! ! ! ! ! Connecting pieces (31) are not to be removed from the rear
panel !
Remove filter (4) together with angle hoses (32) from upper and
bottom connecting pieces (31).
Pull the angle hoses with slight rotating twist from the filter and
push them onto the new filter.
Push the new filter with angle hoses on connecting pieces.
Installation as shown in the diagram on the rear panel.
31
32
31
7.6

Before switching the unit off

In order to keep the level of contamination of the instrument as
low as possible, we recommend that before you switch off the
instrument you always flush out any residues of gas by leaving
the pump running and holding the sampling probe out in the
open (fresh air).
! ! ! ! !
First exit the test step and wait for the pump to come to a
stop before you switch off the measuring instrument.
7.7 O

sensor

2
The O sensor will wear out with time. The zero point of oxygen
2
analysis is monitored permanently. If it deviates, the fault
message E r r 14 O sensor equalisation faulty" is displayed and
2
the O sensor must be replaced.
2
i Only use the genuine O
BOSCH A7-11.5, CLASS R-17A BOS, CLASS R-17A SIE
or W79085-G4003-X.
Caution! The O sensor contains a caustic alkaline solution
2
! ! ! ! ! The O
sensor is industrial waste.
2
It must be eliminated according to the rules in force.
28
32
4
sensor with the designation
2

8. Scope of delivery

The scope of delivery of the ETT 8.70 comprises the following:
- ETT 8.70 basic unit
- Sampling sensor, 400 mm long
- Gas sampling hose, 8 m Viton 5 x 1.5
- Hose, 0.3 m Viton 6x3
- 3 PVC hoses, 0.7 m
- Filters
- Mains supply cable
- 2 time-lag fuses, 0,63 MT 250 V (spare)
- O sensor (integral)
2
- Test jack for leakage test