2-4L41C, 2-4M41(Z), 4L42C, 4M42 Faults
HATZ
97Manual
9 Faults
9.1 Trouble shooting
General troubleshooting notes
If the cases listed below have been worked through but the fault continues to
persist, please contact your nearest Hatz service station.
The engine does not start or does not start immediately, but it can be turned
with the starter.
Possible causes Remedy Chapter
Move the speed con-
trol lever to the "STOP"
position.
Depending on the possibility or
requirement, place the lever in
either the 1/2 start or max.
START position. The lever
must be fixed in this position.
7.4 Setting the
speed control,
page 41
No fuel at the injection
pump.
Refuel. 7.7 Refueling,
page 55
Activate the manual lever or
manual fuel pump.
7.3 Start prepara-
tion, page 38
Systematically check the entire fuel supply. If
this does not yield results:
▪ Check the feed line to the
engine.
▪ Check the fuel prefilter. 8.2.10 Changing
the fuel prefilter,
page 77
▪ Check the main fuel filter. 8.2.15 Change
the main fuel fil-
ter, page 87
▪ Check the function of the
feed pump.
After every extended period of disuse, if you experience
difficulties starting the engine that can be eliminated by
activating the feed pump for a lengthy period, check that
the fuel system is correctly sized.
6.2 Installation
notes, page 34
Injection nozzle is not
functional.
Contact Hatz service.
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