Cartridge Replacement In The Fine Fuel Filter; Fuel System Venting - Zetor MAJOR HS Series Operator's Manual

Cartridge replacement in the fine fuel filter

1. Put a catch reservoir under the fine fuel filter
2. Loosen the cartridge of the fine fuel filter (2) and screw
it off using appropriate tools
3. Before screwing on a new filter cartridge clean the
packing surface of the filter body (1)
4. Smear fuel on the rubber packing of the new filter
cartridge (2) and screw on the filter cartridge
5. After the packing has sit down on the contact surface
tighten up the filter manually
6. Perform an air bleeding of the fuel system
7. After starting up the engine make a tightness check of
the fine fuel filter
The filter cartridge must not be filled with fuel before you start the mounting. Contamination
danger.

Fuel system venting

The fuel system gets bled using an electric booster fuel pump.
Do not start up the engine while bleeding so that no error messages be generated.
1. Turn the key in the switch box from the position 0 to the position I
2. The booster fuel pump will be running for about 20 seconds which makes the air blow off of the fuel
system and its pressurization
3. Wait until the booster fuel pump switches off by itself
4. Turn the key in the switch box from the position I to the position 0
5. Repeat this procedure two more times at least
6. After you start up the engine make a tightness check of the fuel system
MAINTENANCE INSTRUCTIONS
112
NM14D013