Terex TL120 Operating Instructions Manual page 79

7.8.5.3 Cartridge maintenance interval
The air filter main cartridge must be replaced as soon
as the filter maintenance indicator lamp (46/32) on the
instrument panel lights up during operation.
Attention
A brief delay in maintenance does not result
in lower filter efficiency.
7.8.5.4 Replacing the air filter safety cartridge:
– after the third maintenance of the main cartridge
– after 2 years of operation at the latest
– if the service indicator switches on after the main
cartridge has just been serviced
– if the main cartridge is damaged
– if the safety cartridge is damaged
Operating Instructions Wheel Loader TL120
Care and Maintenance
Fig. 46 Filter maintenance indicator lamps
7
32
L824-044
79