Zetor 86 41 forterra turbo Operator's Manual page 172

6 - Unscrew the tank enclosure.
7 - Replace the filtering cartridge
8 - Re-mount the new cartridge.
HINTS FOR MAINTENANCE
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9 - Uncouple the two hoses from the
service cylinder and – together with
the discharge hose – put their ends
into the old-oil collecting vessel.
10 - Start the engine and – at idle speed
– (for max. 10 sec.) – turn the
steering wheel 2 or 3 times, to both
limit positions for expelling oil from
the steering unit and piping.
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11 - Ensure the tractor against sponta-
12 - Place a vessel for collecting oil be-
13 - Re-couple all uncoupled joints.
14 - Fill the tank with oil and bleed the
172
neous move and lift the front axle.
neath the service cylinder and – by
turning the wheels (manually) – ex-
pel oil from the service cylinder.
circuit of the hydrostatic steering.
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