5 -19
Hydraulic
oil filter
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z Replace the HST filter according to the same
procedure of the hydraulic oil filter.
② HST filter
▶ Be 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 filters
.
Warning
HST filter
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(2) Replacing Hydraulic Oil Filter
z
Park tractor on level surface and apply parking
brake and lower implements and stop the engine.
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 CCW to remove with filter
wrench.
z
Turn the new filter CW to assemble until the packing makes contact with the mounting surface.
Tighten ¾ to 1 turn more after packing contact.
z
Run the engine at idle and check any leakage.
z
Check the oil level. If necessary, add new oil. For oil specification, see section 5-3, “Lubricants and
Capacity” or the last page in this manual.
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