3-4L43C, 3-4M43, 3-4M43Z Maintenance
HATZ
75Manual
Overview — Changing the fuel filter
Pos. Designation
1 Strap wrench (HATZ order no.: 620 307 01)
2 Gasket
Procedure — Changing the fuel filter
Step Activity
1 Slide on the strap wrench (1) and unscrew the fuel filter counter-
clockwise.
2 Dispose of the old filter in accordance with local environmental
regulations.
3 Lightly oil the gasket (2) of the new fuel filter.
4 Mount the fuel filter and tighten it by hand.
5 Open the fuel feed line.
6 Bleed the injection system with the aid of the manual fuel pump
with the aid of the injection system (see chapter 7.3.1 Pumping
fuel with the manual fuel pump, page 34).
7 After a brief trial run, check the fuel filter for leak tightness and
retighten by hand.
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