5. Maintenance
Only carry out maintenance work with the engine switched off.
Observe all relevant laws and regulations governing the handling and disposal of used oil,
filters and cleaning agents.
Protect the starting key against unauthorised use.
On engines with an electric starter, disconnect the battery’s negative terminal.
When maintenance work has been completed, check that all tools have been removed from the
engine and all protective guards fitted again.
Before starting the engine, ensure that there are no persons in the danger area close to the en-
gine or equipment.
5.1. Maintenance chart
Maintenance interval Maintenance work required Chap.
17
Every 8 – 15
operating hours,
or before each daily
start-up
Check oil level.
Check combustion and cooling air intake zone.
Check air-cleaner maintenance indicator.
5.2.1.
5.2.2.
5.2.3.
Every 250
operating hours
Change engine oil.
Check and adjust valve clearances. (Not applica-
ble with automatic self adjusting valve clearance
models, see next page)
Clean cooling air area.
Check screw connections.
Clean mesh insert for exhaust.
5.3.1.
5.3.2.
5.3.3.
5.3.4.
5.3.5.
Every 500
operating hours
Change fuel filter element.
Dry-type air cleaner maintenance.
5.4.1.
5.4.2.
Every 1000
operating hours
Clean the oil filter.
5.5.1.
Once a year
Siphon water out of fuel tank.
5.6.1.
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