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D3 - DRY AIR FILTER CARTRIDGE
CHANGE
In case of use in a heavily dust laden atmosphere, there are pre-filtration cartridges, see
chapter : FILTERS CARTRIDGES AND BELTS in paragraph : 3 - MAINTENANCE.
Also, the checking and cleaning periodicity of the cartridge must be reduced (up to 250
hours in a heavily laden dust atmosphere and with pre-filtration).
Change the cartridge in a clean location, with the I.C. engine stopped. Never run the
I.C. engine with the air filter removed or damaged.
- Open the I.C. engine bonnet.
- Loosen the bolts and remove cover 1 (Fig. D3).
- Gently remove the cartridge 2 (Fig. D3), taking care to avoid spilling the dust.
- Leave the safety cartridge in place.
- The following parts must be cleaned with a damp, clean lint-free cloth.
• The inside of the filter and cover.
• The inside of the filter inlet hose.
• The gasket surfaces in the filter and in the cover.
- Check pipes and connections between the air filter and the I.C. engine and the
connection and state of the clogging indicator on the filter.
- Before mounting check the state of the new cartridge (See chapter : FILTERS
CARTRIDGES AND BELTS in paragraph : 3 - MAINTENANCE).
- Introduce the cartridge into the filter axis and push it in, pressing the edges and not the
middle.
- Reassemble the cover, guiding the valve downwards.
D4 - FUEL FILTER CARTRIDGE
CHANGE
- Open the I.C. engine bonnet.
- Carefully clean the exterior of the filter and this bracket to prevent the dust from
entering the system.
- Place a receptacle under the tank and empty using drain plug 1 (Fig. D4).
- Unscrew locking screw 2 (Fig. D4).
- Remove housing 3 (Fig. D4) and discard cartridge 4 (Fig. D4) as well as the seals of
the cartridge.
- Clean the inside of the filter head and the housing, using a brush immersed in clean
diesel oil.
- Refit the assembly with a new cartridge and new seals (See chapter : FILTERS
CARTRIDGES AND BELTS in paragraph : 3 - MAINTENANCE).
- If necessary, bleed the fuel circuit (See chapter : G1 - FUEL SYSTEM in paragraph : 3
- MAINTENANCE).
D4
D3
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