MAN.234 Rev.3 ENG - Use and maintenance manual S19HD (PRO)
page
57
of
83
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
measure
Filters group
3046 (210)
psi (bar)
Aerial part workbench
2901 (200)
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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