Maintenance 1B20, 1B27, 1B30, 1B40, 1B50
62
HATZ
Operator's Manual
Procedure
Step Activity
1 Keep a container ready for collecting the used oil. The con-
tainer must be large enough to hold the entire amount of en-
gine oil.
2 Unscrew the oil drain screw (1) and drain the oil entirely.
3 Clean the oil filter when required (every 1000 hours of opera-
tion), see chapter 8.2.5 Clean the oil filter, page 62.
4 Screw in the cleaned oil drain screw (1) with the new gasket
(2) and tighten.
Tightening torque: 50Nm.
5 Add engine oil (see chapter 4.4 Engine oil, page 25).
8.2.5 Clean the oil filter
Safety notes
CAUTION
Danger of burns.
There is a danger of burns when working on a hot engine.
▪ Let the engine cool before maintenance.
CAUTION
Danger of injury
Prolonged contact with engine oil can lead to irritation of the
skin.
▪ Wear safety gloves.
▪ If there is contact with the skin, thoroughly wash the af-
fected areas of the skin with soap and water.
CAUTION
Danger of injury.
When working with compressed air, foreign bodies may fly into
your eyes.
▪ Wear safety goggles.
▪ Never direct the compressed air jet toward people or toward
yourself.