25
8.1. Maintenance overview
Frequency
Initial maintenance / after 25 operating
hours
Every 8 operating
hours / daily
Every 150 operating
hours / every six
months
Ev
er
y 150 oper
ating
hour
s / e
ver
y y
ear
Ev
er
y 250 oper
ating
hour
s
See section
Activity
Change the engine oil
X
X
8.2.4
Check the valve play of the engine,
adjust if necessary
X
X
Hatz instruc-
tions
Re-tighten all accessible threaded
connections
X
Clean the air filter
X
8.2.1
Change the fuel filter
X
8.2.7
Clean the engine oil filter
X
8.2.5
Check the oil level of the transmis-
sion
X
8.2.8
Change the oil in the exciter
X
8.2.9
The regulations and the operating and maintenance manuals of the engine
manufacturer must be complied with in addition to the activities specified in the
above maintenance overview.