Flail Blackslap; Rotor Maintenance; Pto Safety Shield - H&S 2957 Operator's Manual

5.5.2 Flail Backslap:
Regardless of the type of bale, persistent hammer backslap is detrimental to processor
operation. Hammer backslap at start-up is normal and disappears once the rotor is up to speed.
If your processor experiences frequent hammer backslap, the cause should be investigated and
rectified. In most cases reducing the cradle speed will correct the problem.

5.5.3 Rotor Maintenance:

1. Place all controls in neutral, stop the engine, set the parking brake, remove the ignition key,
disconnect the PTO shaft and remove the hydraulic hoses.
2. Use a knife, shears, or some other cutting device to remove string, twine or other entangled
material. Be sure to remove everything by the flail mounting bolts to allow them to swing
freely. You can access the rotor from the side access door, on the side opposite to the
discharge opening.
3. Keep flails in good condition. Replace if chipped, bent or damaged in any way. Always use
a locking nut or jam nut on the flail bolt to prevent it from coming apart.

5.5.4 PTO Safety Shield:

It is important that the shield components rotate freely over the PTO shaft. Lubricating both the
shield bearings and cleaning periodically will ensure the safe operation of the rotating shields.
1. Press the cone down and release the collar catches with a screw driver.
2. Spread the collar bearing and remove from the tube.
3. Clean the collar and the yoke bearing groove. After cleaning thoroughly, apply a good
coating of grease to the bearing groove.
4. Fit the collar bearing into the groove and the tube ensuring that the collar catches are
centered over the matching holes. The tube and bearing must rotate freely in the bearing
groove.
5. Fasten the cone by lining up the cone grease fitting over the grease filling hole on the collar
bearing. Make sure that all catches are fastened and that the shield turns freely over the
shaft.
Safety Shield Components
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