3-4L43C, 3-4M43, 3-4M43Z Maintenance
HATZ
55Manual
Procedure
Step Activity
1 Check the supply and exhaust air areas for coarse contamina-
tion such as leaves, heavy dust deposits, etc., and clean if
necessary (see chapter 8.2.7 Cleaning the cooling fan, cooling
fins and oil cooler, page 58).
8.2.5 Change the engine oil.
Safety notes
CAUTION
Danger of burns.
When working on the engine there is a danger of burns from hot
oil.
▪ Wear personal protective equipment (gloves).
▪ Collect the used oil and dispose of it according to local envi-
ronmental regulations.
NOTICE
▪ The engine must be level.
▪ The engine must be switched off.
▪ Only drain engine oil while it is warm.
Overview — Draining the oil
3-4M43, 3-4M43Z
(standard version)
3-4L43C
(sealed version)