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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:
3 - MAINTENANCE: FILTERS CARTRIDGES AND BELTS. 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: 3 - MAINTENANCE: FILTERS CARTRIDGES AND BELTS).
- 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
Make sure the electrical contact on the lift truck is cut, otherwise fuel will be released if
the lift pump is on.
- Open the I.C. engine bonnet.
- Open battery cowl.
- Carefully clean the outside of the filter and its holder, to prevent dust from getting into
the system.
- Place a container under the filter and drain it via drain plug 1 (fig. D4/1).
- Loosen the body of filter 2 (fig. D4/1).
- Remove the filter cartridge by pressing the cartridge 3 (fig. D4/2) down against the
pressure of the spring and turn it to the left to extract it.
- Insert a new cartridge (see: 3 - MAINTENANCE: FILTERS CARTRIDGES AND BELTS), by
pressing the cartridge 3 (fig. D4/2) down against the pressure of the spring and turn it
to the right to lock it into the body of the filter.
- Place the new seal 4 (fig. D4/2) onto the body of the filter and lubricate the contact
surface using clean engine oil.
- Remount the body of the filter onto its holder, hand-tighten it only and lock it with a
quarter-turn.
- Close drain plug 1 (fig. D4/1) and remove the container.
- Before starting the I.C. engine, leave the ignition on for three minutes on the lift truck, to
give the lift pump time to release air from the filter.
- Start up the I.C. engine and make sure there is no leakage.
- If necessary, bleed the fuel circuit (see: 3 - MAINTENANCE: G1 - FUEL SYSTEM).
D3
D4/1
1
2
D4/2
1
2
3
4
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