1B20, 1B27, 1B30, 1B40, 1B50 Maintenance
HATZ
65Operator's Manual
8.2.6 Check and set the tappet clearance
Safety notes
CAUTION
Danger of burns.
There is a danger of burns when working on a hot engine. Only
perform the settings while the engine is cold (10-30°C).
▪ Let the engine cool.
CAUTION
Damage from inadequate engine cooling.
Only operate the engine when all covers are installed.
Preparations
The preparations are performed in different ways depending on how the en-
gine is equipped:
▪ Preparations on engine model with dry air filter
▪ Preparations on engine model with oil bath filter
▪ Preparations on engine model with rammer operation (1B20 R)
Preparation - Engine model with dry air filter
Step Activity Figure
1 Unscrew the air filter cover (1).