2-4L41C, 2-4M41(Z), 4L42C, 4M42 Operation and use
HATZ
51Manual
NOTICE
▪ If the engine stops again immediately after starting, or stops
independently during operation, this is an indication that a
monitoring element of the automatic shutoff has activated.
▪ Remedy the fault before making further starting attempts
(see chapter 9.1 Trouble shooting, page 97).
▪ The automatic shutoff is no protection against low oil level.
This means that the oil level must be checked every 8 - 15
operating hours despite the automatic shutoff. (see section
7.9 Check the oil level, page 57).
Procedure when faults occur
Step Activity
1 Check the indicators (5-7).
After the engine comes to a standstill, the fault will continue to
be displayed by the indicator for approx. another 2 minutes.
2 Then the electrical equipment switches off automatically.
3 Set the starting key to position "0".
4 Turn the starting key back to position "I".
The fault display lights up again.
Remedy the fault before making further starting attempts (see
chapter 9.1 Trouble shooting, page 97).
The indicator then goes out at the next start.
Model with exhaust gas return valve
The engines 4L42C and 4M42 are equipped with an exhaust gas return
valve (EGR). The indicators change as follows:
5 Indicator EGR
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