-35-
The mower unit lowers
but it does not rise.
Are respective connections
of wiring normal?
Is the mowing height
adjustment switch normal?
Is the inside of mower unit
free of mud?
Reconnection.
Refer to the wiring diagram.
Be careful of the knife during cleaning.
Repaire or replacement by specialist.
Refer to mower unit.
Replace the knife shaft assy with a normal one
while checking the knife balance.
Replacement of switch.
Cleaning
Removal/cleaning
Replacement of knife blade.
Damage of knife mounting hitch.
Damage of balance weight.
Distortion of knife shaft.
Failure of flow dividing valve
(Failure of relief valve)
Failure of hydraulic cylinder
Is the attachment free
from grass and dust?
Vibration of the mower unit
is substantial.
Stop work when the vibration
of the knife shaft assy is substantial.
Is the knife blade normal?
YES
NO
YES
YES
YES
YES
Be careful of the knife blade during cleaning.
NO
NO
NO
NO
Replacement of bearing.
Is the bearing normal?
YES
NO
