Hatz 2M41 - Page 85

2L41C, 2M41, 2M41Z Faults
HATZ
85Operator’s Manual
Type of fault Possible causes Remedy Chapter
ing the feed pump for a lengthy period,
check that the fuel system is correctly
sized.
Insufficient com-
pression:
▪ Wrong tappet
clearance.
Check the tappet
clearance and ad-
just if necessary.
8.2.12
Check and
set the tap-
pet clear-
ance, page
72
▪ Cylinder and/or
piston ring wear.
Contact Hatz ser-
vice.
▪ Faulty automatic
decompression.
Contact Hatz ser-
vice.
Injection nozzle is
not functional.
Contact Hatz ser-
vice.
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
80
At low tempera-
tures
Pre glow system is
faulty (additional
equipment).
Contact Hatz ser-
vice.
Fuel gelled due to
insufficient cold re-
sistance.
Check whether the
fuel that emerges
from the detached
fuel feed line di-
rectly at the injec-
tion pump is clear
and not cloudy. If
the fuel has gelled,
either warm the en-
gine or drain the
entire fuel supply
system. Fill with a
temperature-resis-
tance fuel mixture.
4.3 Fuel,
page 23
7.7 Refuel-
ing, page 46
8.2.9
Changing
the fuel pre-
filter, page
66
8.2.14
Changing
the fuel fil-
ter, page 76
Starter speed is
too low:
Change the engine
oil and add oil of
the right viscosity
class.
4.4 Engine
oil, page 24