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open the lid on the left side of the engine (fig. 4, ref. A). Pour in the oil through the lid (fig. 4,
ref. A).
The first precaution to be taken is that the engine is maintained correctly with a clean air
filter and the engine oil up to the level.
Keep the engine compartment, the muffler area and the collectors clean. Use a vacuum
cleaner if possible.
Check the air filter (fig. 4, ref. D) every 8 hours or even more frequently in dusty conditions.
In order not to reduce the air needed to cool the engine, the grid on the upper part of the
engine (fig. 4, ref. C) must always be kept clean.
HYDRAULIC TRANSMISSIONS
Check the level in the reservoir with cold engines (fig. 5, ref. A). If more oil is needed, add
engine oil
20W50 (total quantity: 4.5 litres). Carry out this control periodically.
Caution! Change the oil in the transmissions the first time after 40 hours and then every
200 hours or at least once a year.
The oil must be changed before the 200 hours if:
- the oil is black;
- the oil has a whitish colour (it is contaminated with water);
- there are black coloured residues (partial oil deterioration).
To remove the oil remove the filter (fig. 10, ref. A). Then install the new filter and pour in oil
from the balance reservoir (fig. 5, ref. A). Pay attention to possible impurities, which may get
into the circuit, causing serious problems to your machine.
When you change the hydraulic oil, you must also change the oil filter; pay attention to the
filtration level.
Always keep the hydraulic transmissions housing clean to guarantee that the oil is cooled
by the ventilation fins. If they are damaged, they have to be replaced.
GREASE LUBRICATION POINTS
Find the lubrication points following the scheme (fig. 2 no. 3). Every 40 hours grease the
blade hubs, the feed levers, the cutting deck lifting parallelogram, the pin connected to 2
points joint of the cutting deck, the stabilizing cylinder ball-joints.
MACHINE STABILIZING DEVICE
The FX 20 has got a device that improves the machine's maneuverability on slopes. A
oildynamic cylinder (fig. 11) on the lower side of the frame intervenes when the rear wheel
of the machine is slightly lifted from the ground and blocks it. The oildynamic cylinder is
controlled by a pendulum (fig. 6, ref. B) that detects the slope. In this way, you have an
optimum traction uphill and a remarkable stability of the machine's rear part downhill.
Periodically check the oil level in the device (fig. 6, ref. A) and grease the oildynamic cylinder
ball-joints.
Never fill the oil reservoir completely to avoid spillage. The perfect level is the half of the oil
reservoir capacity. Only use hydraulic oil OSO 10.
CUTTING DECK TILTING AND BLADES SHARPENING
For the cutting deck control and maintenance proceed as follows:
1) Start the engine;
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