MAN.234 Rev.3 ENG - Use and maintenance manual S19HD (PRO) page
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7 Hydraulic system
The MEWP hydraulic system is attached to this manual.
The pressure setting of the relief valves must correspond to the following
values:
Data Value
Unit of
psi (bar)
Outriggers workbench 2756 (190) psi (bar)
Levelling 2031 (140) psi (bar)
Turret rotation 2031 (140) psi (bar)
Pantograph descent 1740 (120) psi (bar)
Boom descent 1740 (120) psi (bar)
Boom extension 2176 (150) psi (bar)
Boom withdrawal 2901 (200) psi (bar)
Triple speed 435 (30) psi (bar)
A radiator can be provided as *optional for cooling the hydraulic circuit oil.
All the operations requiring the intervention on the components of
the machine, shall be carried out by authorized and trained technical
staff.
Non-authorized staff shall not replace any of the components. Many
components have been calibrated: a correct calibration of these
parts (possible only in C.M.C. or in authorized Services) is nec-
essary to ensure the safety of the machine.
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