Hatz 2-4L41C - Page 39

61
– Pull hose „2“ off air intake pipe and build up a
strong vacuum at the open end.
62
Indicator light „5“ will come on.
If this response is not obtained, check the
following points:
– electrical section: cable connections etc.
– Indicator light
– function of maintenance switch.
Note:
This function test cannot be performed for the
engine types 4L42 and 4M42.
1
2
3
4
5
6
1
L3/56
2
Mechanical maintenance indicator
– Pull hose „2“ off air intake pipe and build up a
strong vacuum at the open end (Figure 61).
63
– Red zone „1“ will appear and engage in
position.
– After the functional check, release red zone „1“
by pressing reset knob „2“.
Renew any defective components without delay.
1
L3/78
2
38