Flails; General; In Service; Rotor Speed - Perfect BG2/BK2-105 Manuel D'instruction

1.9 Flails

1.9.1

General

• Only the use of original Perfect parts will assure you of a safe service of the machine. So use by replacement only
original PERFECT parts.
• Every time before the machine is taken in service the flails should be checked. Are no flails lost, are they still in good
shape?
Replace the flails if necessary by original Perfect parts, see also chapter 1.7.4. The flails have to be replaced when
there is no longer any overlap.
• When the fixing bolts have to be replaced (when the diameter has become less than 17 mm) you should always use
original Perfect bolts. Bolts M20, quality 10.9.
• Tighten up the lock-nuts M20 until the bushing in the corresponding "ear" starts to shift.
NO risks, NO experiments with imitation parts, use only original Perfect parts!
1.9.2

In service

When the machine starts to vibrate the tractor P.T.O. shaft should be disengaged immediately. Check the condition of
flails and flail -rotor.
Replace broken or damaged parts by original PERFECT parts.
1.9.3 P.T.O. / rotor speed
Always speed up the P.T.O. shaft to the prescribed speed of 540 RPM before starting to cut.
In Front version or special occasion 1000 RPM is prescribed as P.T.O. speed.
The correct P.T.O. speed is indicated on the gearbox cover.
1.9.4

Replacement of flails

• Remove the lock-nuts, the lock washers and bolts
• Replace the flails by original Perfect flails.
• Replace also the lock nuts and lock washers and also the bolts when the
diameter has become less than 17 mm..
Use always original PERFECT bolts, lock washers and nuts (bolts M20,
quality 10.9).
• Tighten up the lock nuts until the bushing in the mounting "ear" starts to shift.

1.10 Service

Before operating the machine you should check if all points, as stated below, have been greased properly. Lubricate as
follows:
1.10.1 P.T.O. shaft
• Profile tubes:
to lubricate every 24 hours of operation. Wash them clean periodically in
order to remove dirt and accumulated contaminated grease.
• Yoke crosses:
to lubricate every 8 hours of operation. Grease nipples.
• Slide pins:
to oil at regular times the pin.
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