5 -17
(2) Replacing Hydraulic Oil Filter
① Main suction filter
z Park tractor on level surface and engage parking
brake and lower implements and stop the engine
and cool down the tractor sufficiently.
z Loosen the drainage plug, and drain the
transmission oil. (See page 5-20)
z Carefully clean around the filter and set a clean
container under the filter.
z Coat clean hydraulic oil on the packing of new
filter and check the packing is placed well in the
groove.
z Turn the oil filter counter-clockwise to remove
with filter wrench.
z Turn the new filter clockwise to assemble until
the packing makes contact with the mounting
surface. Tighten ¾ to 1 turn more after packing
contact.
z Add transmission oil, and run the engine at idle
rpm and check any leakage.
z Check the oil level. If necessary, add new oil.
z Replace the HST filter according to the same
procedure of the hydraulic oil filter.
② HST filter (HST Type only)
▶ Make sure to stop the engine before loosening the oil filter.
▶ If the filter or oil is very hot, it may cause serious burns. After cooling down the
tractor sufficiently, replace the filter.
Warning
Main
suction filter
Loosen
Tighten
Loosen
Tighten
HST filter
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