6.9 ROTOR FLAIL MAINTENANCE
The ATV Mow range has Forged Hammers designed to last a long time. However, when breaking or
losing hammer, it is important to replace it immediately. Failure to do this can cause serious
unbalancing problems. (Always use spare parts)
At the time of replacement, the opposite hammer on the rotor should be checked for wear. If it is
partially or well-worn then if should be changed to maintain an accurate weight balance.
Replacing the hammers follows this simple procedure:
(A) Ensure mower engine has stopped and the knives have stopped rotating. Switch of the fuel
tap and let the machine cool down for 5 minutes. Remove the spark plug to ensure the engine
cannot be started.
(B) Raise the mower to its max cutting height.
(C) Carefully raise the drawbar to an incline position, so that height adjuster bar at the rear of
the mower takes the weight. NB; Do not attempt this with the wheels behind version; raise the
front jack to its max height.
(D) Slacken and take out the shackle bolt.
(E) Replace or turn around blades (Note the direction of rotation)
(F) Replace shackle bolt securely, but still allowing the shackle to swing on the fixing bush.
NOTE:
ATV Mow Flails have a rear gate that can make changing hammers easier.
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