1B20, 1B27, 1B30, 1B40, 1B50 Maintenance
HATZ
59Operator's Manual
Symbol Maintenance in-
terval
Maintenance activity/check Chapter
Every 500 operat-
ing hours
Change the fuel filter. 8.2.11 Changing
the fuel filter,
page 78
Maintain the dry air filter. 8.2.12 Maintain-
ing the dry air fil-
ter, page 83
Every 1000 oper-
ating hours
Clean the oil filter. 8.2.5 Clean the
oil filter, page 62
8.2.3 Checking the intake area
Safety notes
CAUTION
Danger of burns.
There is a danger of burns when working on a hot engine.
▪ Let the engine cool.
▪ Wear safety gloves.
NOTICE
In case of heavy contamination, shorten the maintenance inter-
vals accordingly (see chapter 8.2.2 Maintenance plan, page 57).
Overview
Standard Model with cyclone
precleaner
Model with oil bath fil-
ter
1 Air intake opening