1B20, 1B27, 1B30, 1B40, 1B50 Maintenance
HATZ
83Operator's Manual
8.2.12 Maintaining the dry air filter
NOTICE
▪ Immediately clean the filter cartridge if the maintenance dis-
play appears at maximum speed.
▪ Renew the filter cartridge after a use period of 500 operating
hours.
Installing and removing the filter cartridge
Step Activity Figure
1 Unscrew the air filter cover
(1).
2 Unscrew the knurled nut (2)
and remove the air filter car-
tridge (3).
3 Clean the filter housing (4)
and cover for the air filter.
Ingress of dirt or other for-
eign bodies into the intake
opening (5) of the engine ab-
solutely must be avoided.
4 In the model with an air filter
maintenance display (6),
check the condition and
cleanliness of the valve shim
(7).