HATZ Diesel 4M42 - Manual (Page 97)

Type of fault Possible causes Remedy Chapter
Torn cooling fan
belt. Renew the poly v
belt. 8.2.16 Re-
newing the
poly v belt
and check-
ing the func-
tion of the
switch-off
unit,
page 89
Mechanical faults. Contact the Hatz
service station.
With automatic
electrical switch-off
mechanism
(additional equip-
ment) Stop signal of mon-
itoring elements
for:
▪ Oil pressure too
low.
▪ Cylinder head
temperature too
high.
Check the engine
for:
▪ Engine oil filling
level
▪ Contamination of
the cooling air
guides or anoth-
er impairment of
the cooling sys-
tem.
7.9 Check-
ing the oil
level and
adding oil if
necessary,
page 53
8.2.6 Clean-
ing the cool-
ing fan,
cooling fins
and oil cool-
er, page 66
Irregularities in the
electrical equip-
ment, such as:
▪ Loose contacts
on cable connec-
tions.
▪ Faulty three
phase alternator.
▪ Faulty relay.
Check the electri-
cal equipment and
its components,
contacting the
service center if
necessary. 3.2.4 Elec-
trical equip-
ment,
page 18
The indicator for
the exhaust gas re-
turn system (EGR)
flashes (only on
4L42 and 4M42).
Air filter is dirty. Check the degree
of dirt contamina-
tion of the air filter,
and clean or renew
it if necessary. 8.2.10
Maintaining
the dry air
filter,
page 74
Problems with the
exhaust gas return
system. Contact the Hatz
service station.
2-4L41C, 2-4M41, 2-4M41Z, 4L42C, 4M42 Faults
HATZ Operator's Manual 97