2-4L41C, 2-4M41(Z), 4L42C, 4M42 Maintenance
HATZ
63Manual
Symbol Maintenance in-
terval
Maintenance step/check Chapter
Every 8–15 oper-
ating hours or ev-
ery day before
starting
Check the oil level. 7.9 Check the oil level,
page 57
Check the intake area of the
combustion air.
8.2.3 Checking the in-
take area of the com-
bustion air, page 64
Check the cooling air area. 8.2.4 Checking the cool-
ing air area, page 67
Visual check of the condition
of the crank handle (handle
bar, crank arm, drive dog)
If necessary, lightly grease
gliding area between crank
handle and guide sleeve.
−
Weekly Check the water separator. 7.8 Checking the water
separator, page 56
Every 250 operat-
ing hours
Change the engine oil (2M41.
withoutoil sump, 2-4L41C
and 4L42C in general).
8.2.5 Change the en-
gine oil, page 68
Check the poly v belt. 8.2.6 Checking the poly
v belt, page 70
Clean the cooling fan, cooling
fins and oil cooler.
8.2.7 Cleaning the cool-
ing fan, cooling fins and
oil cooler, page 72
Check the screw connections. 8.2.8 Checking the
screw connections,
page 75
Clean the screen insert in the
exhaust pipe.
8.2.9 Cleaning the
screen insert in the ex-
haust pipe (additional
equipment), page 75
Check the water separator. 7.8 Checking the water
separator, page 56
Check the fuel prefilter for
contamination and change it if
necessary.
8.2.10 Changing the fuel
prefilter, page 77
Check the air filter mainte-
nance indicator.
8.2.16 Checking that the
air filter maintenance in-
dicator is working prop-
erly, page 91