Replacing The Fuel Filter Element; Bleeding The Fuel System - Zetor FORTERRA HSX 120 Operator's Manual

Replacing the fuel filter element

Replace the filter element after releasing the nut (1) and
unscrewing the bowl (2). During the re-assembly of the
cleaned bowl with the new filter element check proper
seating of the bowl gasket. Bleed the fuel system. During
the cleaning and replacement of the filter elements place
a suitable vessel under the engine to catch dripping fuel.

Bleeding the fuel system

Before bleeding place a suitable container under
the engine to collect dripping fuel from the filter and
injection pump.
1. Prime the fuel system with several strokes of the
manual control of the priming pump (1).
2. Release the screw (2) of the fitting of the fuel inlet to the
filter and let the foam escape.
3. Retighten the screw and repeat the procedure until after
releasing of the screw clear fuel starts to continuously flow
from the filter.
4. Bleed the injection pump in the same way.
5. Do the bleeding with the screw (3) positioned on the
pump body.
MAINTENANCE INSTRUCTIONS
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FHD20S5N055
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PGPPN142
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