Operator’s manual
Optima 51 / M51 / M56 / M57T / 60T
26
Dynapôle Ludres/Fléville, 166 rue Ampère/BP 60093 - 54714 LUDRES - FRANCE - Tél.+33 (0)3 83 25 69 60 - Fax. +33 (0)3 83 26 12 85
Technical characteristics
gure 1.28
A hydraulic locking valve is tted to the orientation circuit (gure 1.28) :
The locking of the orientation cylinder is achieved by the use
of a check-valve. This valve prevents the passage of
oil between the chambers of the cylinder.
In the event of unexpected arm rotation, check the condition
of the seals within the ram.
When in transport between worksites it is necessary to match your
travelling speed to the condition of the road or passage.
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