
Maintenance
3-4L43C, 3-4M43, 3-4M43Z
74
HATZ
Manual
CAUTION
Danger of environmental damage from spilled fuel.
When the filter is removed, a small amount of fuel is drained as
well.
▪
Collect any escaping fuel and dispose of it according to lo-
cal environmental regulations.
CAUTION
Dirt particles can damage the injection system.
▪
Maintain clean conditions to ensure dirt does not enter the
fuel line.
▪
Only install fuel filters dry and do not prefill in order to avoid
contamination.
Overview — Preparatory activities
Pos.
Designation
1
Drain plug
Preparation — Changing the fuel filter
Step
Activity
1
Close the fuel lines on the filter housing.
2
Place a suitable container under the filter to collect emerging
fuel.
3
Release the drain screw (1) and drain the fuel.