MAINTENANCE
3-56 WB140-2N, WB150-2N
WHEN REQUIRED
CHECKING, CLEANING, OR CHANGING AIR
CLEANER CARTRIDGE
★ The air filtering system consists of a primary filtering element with
considerable capacity and of a secondary cartridge that ensures
additional safety protection.
★ The primary element can be cleaned with compressed air, while the
cartridge must be replaced.
★ The filter must be cleaned when the clogging warning light (A)
positioned on the side dashboard comes on or flashes.
The air cleaner can be reached after raising the loader arm, engaging
the mechanical safety lock and opening the engine hood.
To clean the primary element, proceed as follows:
1. Release safety lock (1), moving it toward the outside.
2. Rotate cover (2) counter-clockwise approximately 12.5°.
3. Lift cover (2) and remove filter element (3).
4. Lightly tap filter element (3) on the palm of your hand, in a manner
to remove the dust, and blow compressed air on the inner surface,
keeping the air jet at a distance of approximately 15 cm (5.9 in) and
taking care to prevent pressure from exceeding 4-5 bars (58-73 psi).
5. Carefully clean the inside of filter case (4), taking care to prevent
foreign debris from getting into the suction duct.
6. Reinstall filter element (3), making sure that it is perfectly seated in
its housing.
7. Reinstall cover (2), rotating it clockwise approximately 12.5
o
.
Make sure that cover (2) is perfectly locked and that ejector (5) is
positioned vertically on the lower part.
8. Once the unit has been reassembled, push safety lock (1) towards
the inside.
★ If clogging warning light comes on after starting the engine, it
is necessary to replace the primary filtering element and safety
cartridge.
★ Replace primary filter element after 6 cleaning operations or
after one year. Every time the primary filtering element is
replaced, the safety cartridge must also be replaced.
• Remove the air cleaner only after stopping engine, and
do not start engine after the air cleaner is removed.
• Always wear safety goggles during cleaning operations.
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