Faults
2-4L41C, 2-4M41(Z), 4L42C, 4M42
98
HATZ
Manual
Possible causes
Remedy
Chapter
Poly v belt torn.
Renew the poly v belt.
8.2.17 Renewing
the poly v belt
and checking the
function of the
switch-off unit,
page 93
Insufficient compression:
▪ Wrong tappet clear-
ance.
Check the tappet clearance
and adjust if necessary.
8.2.13 Check and
set the tappet
clearance, page
83
▪ Cylinder and/or pis-
ton ring wear.
Contact Hatz service.
▪ Faulty automatic de-
compression.
Contact Hatz service.
At low temperatures (engine does not start)
Possible causes
Remedy
Chapter
Faulty pre glow sys-
tem.
Contact HATZ Service.
Fuel gelled due to in-
sufficient cold resis-
tance.
Check whether the fuel that
emerges from the fuel feed line
is clear and not cloudy. If the
fuel has gelled, either thaw the
engine or drain the entire fuel
supply system. Fill with a tem-
perature-resistant fuel mixture.
8.2.10 Changing
the fuel prefilter,
page 77
8.2.15 Change
the main fuel fil-
ter, page 87
Oil is too viscous and
causes a too low
starter speed.
Change the engine oil and oil
filter.
Add engine oil with a suitable
viscosity class.
8.2.5 Change the
engine oil, page
68
Insufficiently charged
battery.
Check the battery and contact
the service center if necessary.
3.2.4 Electrical
equipment, page
18
Machine is not uncou-
pled.
If possible, separate the engine
from the machine by uncou-
pling it.
Summary of Contents for 2-4L41C
Page 2: ......
