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FLAILHEAD
1.
Frequently inspect the rotor assembly for damaged or missing flails. Bolts and nuts securing the flails to
the rotor should be regularly checked and kept tight. The correct torque setting for these locknuts is 135
Nm (100 lbs/ft.). Use only the correct flail bolt and locking nut. Check the flail pivot bushes for possible
damage or wear. They do not require oil.
2.
Do not attempt to run the rotor with flails missing. Imbalance will cause severe vibration and can rapidly
damage the rotor shaft bearings. As an emergency measure, if a flail is broken off or lost, remove another
on the opposite site of the rotor to retain balance. Always replace flails in opposite pairs and never match
up a new flail with a resharpened one which will of course be lighter.
3.
Blunt flails absorb a lot of power and leave an untidy finish to work. They should be sharpened on a
grindstone or with a portable grinder periodically. Blades MUST BE sharpened in pairs.
4.
Wear protective gear when sharpening flails.
5.
Ensure that the bearing housings and hydraulic mounting nuts and bolts are kept tight. They should be
checked during servicing.
RMB 1660 01/22
© 2022 Alamo Group Inc.
MAINTENANCE
Maintenance Section 5-13
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