Replacing Superfast Blades (Opt) - breviglieri MekFarmer 170 Manual De Empleo Y Mantenimiento

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MekFarmer 170

DANGER

Before carrying out maintenance regarding cutting

blades put the machine in a safety position (see "6.2

Machine in safety position").

When servicing or replacing blades with the lifted ma-

chine, put stands under the machine. Prevent risk of

being crushed if the machine falls.

The blades fitted on the implement are suitable for soil of a

normal consistency. If the blades should accidentally bend

(or break) during work, they must be immediately replaced.

Make sure that the new blades are mounted in exactly the

same positions as the old ones. If several blades must be

replaced, it is advisable to demount and remount them one

at a time in order to avoid positioning errors. The sharp side

of the blades must point towards the direction in which the

blade rotor turns.

To replace blades, put the machine in a safety position (see

"6.2 Machine in safety position"):

• Unhitch the machine from the tractor (see "5.6.15 Unhi-

tching the machine from the tractor").

• Lift the machine (see "3.2 Handling").

• Put two bearing stands at the sides of the machine (for

machine weight, see "3.2 Handling"). Place the machine

on the stands. Do not remove the lifting hook.

• Place yourself under the machine.

• Remove the collar clamp.

• Loosen the two bolts (2, "Fig. 37").

• Remove the block (1).

• Remove the blade (3) sidewards.

• Replace the worn blade with a new one.

FIG. 37

To fit back the blade do the same procedure in reverse or-

der.

NOTE

THE BLADES ARE RIGHT AND LEFT. CHECK THE DIRECTION OF

ROTATON OF THE ROTOR AND FIT THE BLADES PROPERLY.

TO REMOVE THE OTHER BLADE BRING IT TO THE OPENING

WHERE THE COLLAR CLAMP IS TIGHTENED. INSERT A LEVER

BETWEEN THE TWO BLADES. ROTATE FORCEFULLY UNTIL YOU

BRING THE BLOCK OF THE OTHER BLADE IN FRONT OF THE

OPENING, ON THE ROTOR.

Bolt driving torque (Nm)

6.3.9

• Remove split pin (3, "Fig. 38").

• Take bushing out (2).

• Take blade out (1).

To fit back the blade do the same procedure in reverse or-

der.

CAUTION

Danger of falling. When rotating the rotor with a lever,

the blades could hit the stands. Leave the machine

hitched to the lifting hook. Proceed carefully and plan

all the working phases.

CAUTION

The bolts that holding the tools must have their heads

on the side of the tool, and the nut on the side of the

support. Comply the driving torque value.

Classe

6.6

M8x1

M10x1,25

M12x1,25

M14x1,5

M16x1,5

120

M18x1,5

173

M20x1,5

242

M22x1,5

321

M24x2

411