HATZ Diesel 4H50TIC - Manual (Page 73)

Step Activity
2 Open the drain screw (2) and drain the water into the container.
3 If not enough liquid escapes, undo additional bleed screw (1).
NOTE: If the fuel tank lies lower than the fuel prefilter, the fuel
feed line must be clamped off with a hose clip (5). Otherwise
fuel runs back into the fuel tank after the drain plug has been
unscrewed.
4 As soon as fuel escapes, close the drain plug (2) and bleed
screw (1).
NOTE: First water escapes then fuel. This can be seen by a
clear separator.
5 If necessary, release the fuel feed line, dispose of the water-fuel
mixture in an environmentally compatible manner.
8.2.12 Changing the fuel prefilter
Safety notes
DANGER
Fire hazard from fuel
Leaked or spilled fuel can ignite on hot engine parts and cause
serious burn injuries.
▪ Do not spill fuel.
▪ No open flames when working on the fuel system.
▪ Do not smoke.
CAUTION
Danger of burns.
There is a danger of burns when working on a hot engine.
▪ Let the engine cool.
▪ Wear safety gloves.
Maintenance 4H50TIC
74 Operator's Manual HATZ