3
P
1
2
0
+–
1
2
3
26 411 0
with Cold-Starting Aid
Flame-Type Heater Plug System
Important: The starting process
must be carried out within the
30 seconds, otherwise repeat
starting attempt.
!
● Insert key.
– Position 0 = no operating voltage.
● Turn key clockwise.
– Position 1 = operating voltage,
– Pilot lamps 1+2+3 light up.
– Preheat until heater plug indicator 3 blinks,
max. 30 seconds.
– Engine is ready for operation.
3.2 Starting Engine Operation
● Turn key further clockwise against spring
action to
– Position 2 = starting
● Release key as soon as the engine starts firing.
– Pilot lamps go out.
3
25752 1 25754 0 26246 0
3.3.1 Engine Oil Pressure
Oil Pressure Pilot Lamp Oil Pressure Gauge
3.3.2 Coolant Temperature
● The oil pressure pilot lamp lights up with
operating voltage applied and engine shut off.
● The oil pressure pilot lamp must go out when
the engine is running.
● The pointer of the oil pressure gauge must
indicate the minimum oil pressure (see 9.1).
● The pointer of the temperature indicator should
remain in the green sector and enter the yellow-
greeen sector only in exceptional cases. If the
pointer enters the orange sector, the engine is
overheating. Turn it off and establish the cause
from the Diagnosis Chart (see 7.1).
Engine Operation 3.3 Monitoring Systems
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