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Side & Rear flail Maintenance Section 4-22
MAINTENANCE
Now disconnect the hoses and fittings from the motor and remove the taper-lock
hub and pulley from the motor by removing the three hub bolts from the existing
positions and inserting simultaneously into the threaded holes. Remove the four
bolts holding the motor. Rotate the motor 180
° so the hump is opposite the prior
position. Reinstall the motor bolts and torque to 75 ft. lbs. Reconnect the hoses
and fittings to the motor in the same configuration as before, i.e. the hose that was
connected to the front port on the motor should now be connected to the port that is
now facing the front.
Reinstall the taper-lock hub and pulley on the motor by installing the hub bolts in
the original holes and tightening until the hub just contacts the pulley. Then, position
the pulley on the motor shaft approximately 3/16” beyond the idler pulley and tighten
and torque the hub bolts to 18 ft. lbs. Be sure the pulleys are vertically aligned when
tight (see diagram on previous page) , loosen and readjust if needed.
Reinstall the idler arm and pivot pin. The pivot pin is installed into the hole in the
pivot bracket closest to the idler pulley. When assembling for standard cut
rotation, the idler arm is installed with the idler pulley toward the front of the mower
with the pivot pin in the front hole. When assembling for reverse rotation, with
smooth cut knives, the idler arm is installed with the idler pulley toward the rear of
the mower with the pivot pin in the rear hole.