2-4L41C, 2-4M41(Z), 4L42C, 4M42 Faults
HATZ
101Manual
Possible causes Remedy Chapter
▪ Engine temperature
too high.
Check the cooling air guides
for contamination or other im-
pairments.
8.2.7 Cleaning
the cooling fan,
cooling fins and
oil cooler, page
72
Irregularities in the electrical equipment:
▪ Loose contacts on
cable connections.
Check the electrical equipment
and its components, contacting
the service center if necessary.
3.2.4 Electrical
equipment, page
18
▪ Faulty three phase
alternator.
▪ Faulty relay.
The engine loses power and speed.
Possible causes Remedy Chapter
The speed adjustment
lever does not stay in
the desired position.
Block the speed adjustment.
The fuel supply is impaired:
▪ The tank ran out of
fuel during operation.
Add fuel. 7.7 Refueling,
page 55
▪ Fuel prefilter or main
fuel filter is clogged.
Change the fuel filter. 8.2.10 Changing
the fuel prefilter,
page 77
8.2.15 Change
the main fuel fil-
ter, page 87
▪ Inadequate tank
venting.
Ensure that the tank is suffi-
ciently vented.
▪ Line connections are
not leak tight.
Check the line screw connec-
tions for leak tightness.
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