26
3
MHT 10120 L M
Series
- EVERY 1500 WORKING HOURS
-CLEAN THE FUEL PREFILTER CARTRIDGE
- Open the tank cap to discharge the excess pressure inside the
system.
- Clean the outside of the fuel prefilter, after taking care to cover
the ducts, hoses and cables which may be present under the
prefilter.
- Unscrew the threaded cap “1” (fig. F1) and remove it from the
filter casing together with filter cartridge “2” (Fig. F1).
- Clean the threaded cap “1” (Fig. F1) and filter cartridge “2”
(Fig. F1).
- Replace the filter cartridge if it is excessively dirty or damaged.
- Check sealing ring “3” (Fig. F1) for the threaded cap and
replace it, if necessary.
- Grease sealing ring “3” slightly (Fig. F1).
- Insert the filter cartridge in the threaded cap and screw the lat-
ter in the filter casing.
Tightening torque: 18 ft.lb.
FIG. F1
1
2
3
1