Maintenance 2-4L41C, 2-4M41(Z), 4L42C, 4M42
64
HATZ
Manual
Symbol Maintenance in-
terval
Maintenance step/check Chapter
Every 500 operat-
ing hours
Change the fuel prefilter. 8.2.10 Changing the fuel
prefilter, page 77
Maintain the dry air filter.
Change the filter cartridge.
8.2.11 Maintaining the
dry air filter, page 79
Check and set the tappet
clearance.
8.2.13 Check and set
the tappet clearance,
page 83
Change the engine oil (2M41.
with oil sump, 3-4M41. and
4M42 in general).
8.2.5 Change the en-
gine oil, page 68
Change the oil filter. 8.2.14 Changing the oil
filter, page 86
Every 1000 oper-
ating hours
Change the main fuel filter. 8.2.15 Change the main
fuel filter, page 87
---
Every 2000 oper-
ating hours
Renew the gaskets in the belt
tensioner or the complete belt
tensioner. (To be carried out
by a trained specialist)
Renew the poly v belt. 8.2.17 Renewing the
poly v belt and checking
the function of the
switch-off unit, page 93
---
Every 3000 oper-
ating hours
(4L42C and 4M42
only)
Clean the EGR valve, EGR
housing, and intake area.
(To be carried out by a trained
specialist)
---
8.2.3 Checking the intake area of the combustion air
Safety notes
CAUTION
Danger of burns.
There is a danger of burns when working on a hot engine.
▪ Let the engine cool.
▪ Wear safety gloves.
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