KUHN GMD802 Series, Operator'S Manual

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Maintenance and storage
Disc mower
GMD802
55
3. Maintenance
„
Hydro-pneumatic accumulators
Hydro-pneumatic accumulators do not require any
particular maintenance.
Regularly check the tightness of the accumulator fixing
bolts and that no oil has leaked from hydraulic circuit (a
small oil leak can change settings).
To depressurize the circuit
Place the machine in parking position.
Open valve.
Release pressure until the gauge needle reads 0.
Shut-off valve.
-
Before carrying out any maintenance or
repairs on the machine, switch off the tractor
engine, remove ignition key, wait until all
moving parts have come to a standstill and
apply park brake.
Before any work is carried out on a hydraulic
circuit with hydro-pneumatic accumulator,
depressurize the circuit.
It is strictly forbidden to weld, grind or drill
onto a hydro-pneumatic accumulator.
Pressurize the hydraulic circuit before
activating any other hydraulic function of the
machine.