FD450/ Translation of the original instructions
CUTTING DECK ADJUSTMENT
A level deck is essential for a uniform cut. With the mower on a flat surface, check that the tyre
pressures are correct and check the float spring tension (fig. 10, A). If a satisfactory parallel set-up
cannot be achieved, adjust the register (fig. 20, A). To adjust the mowing height, place two 25 mm
shims at the sides under the edge of the deck and put the deck in its lowest position using the
button on the dashboard. Use the screw (fig. 24, B). Before carrying out this procedure loosen the
two screws (fig. 24, A). at the rear part of the mower deck, two anti-scalp wheels are fitted (fig. 34,
C). Their height can be adjusted through the three fixing holes.
DRIVE BELTS – HYDROSTATIC AXLE
These belts are self-adjusting and do not require any adjustment. Simply check the tension of the
springs. To replace these belts, release both tension springs (fig. 22, A – B).
PTO BELT
Caution: This belt is special, only use original belts. To replace the PTO belt, follow the instructions
below:
1) Remove the protection guard above the deck by unscrewing the two screws (fig. 25).
2) Remove the pin (fig. 25, A)
3) Turn the lever anti-clockwise (fig.25, B)
4) Remove the PTO belt (fig. 25, C)
5) When refitting the belt, make sure the belt guide is located inside the two sides of the belt (fig.
37, A).
The PTO belt does not need to be regulated because it is self-adjusting.
CUTTING DECK BELT
This belt is a double A section and allows the blades to counter-rotate. The belt tension is self-
adjusting thanks to the spring (fig. 34, A). The spring must have 130 mm length (coils length). To
replace the cutting deck belt follow the instructions below:
1. Set the mower deck at its lowest position.
2. Remove the plastic cover placed over the mower deck by unscrewing both wing nuts.
3. Remove the pin (fig. 25, A)
4. Turn the lever anti-clockwise (fig. 25, B)
5. Remove the PTO belt (fig. 25, C)
6. Detach the wire of the electric wire (fig. 25, F)
7. Release the fork (fig. 31, B) and pull the deck forward. It is recommended to open the grass
catcher and remove the load chute (fig. 32, A).
8. Remove the pulley by unscrewing the central screw (fig. 25, E).
9. Remove the cutting deck protection frame loosening the screws (fig. 31, C).
10. Unhook the spring (fig. 34, A);
11. Remove the belt and fit a new one (fig. 34, B), following the diagram.
USE ORIGINAL BELTS ONLY!
HYDRAULIC PUMP BELT
The hydraulic pump belt is self-adjusting (fig. 21). To replace this belt, unhook the spring (fig. 21,
A) and unscrew the two screws fixing the pump support plate (fig. 21, B).
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