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CMC S19HD - Hydraulic System

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MAN.234 Rev.6 ENG - Use and maintenance manual S19HD page 82 of 126
7 Hydraulic system
The MEWP hydraulic system is attached to this
manual.
The pressure setting of the relief valves must corre-
spond to the following values:
Data
Value
Unit of
measure
Filters group
3046 (210)
psi (bar)
Outriggers workbench
2756 (190)
psi (bar)
Aerial part workbench
2973 (205)
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
2901 (200)
psi (bar)
Triple speed
435 (30)
psi (bar)
A radiator for cooling the hydraulic circuit oil and a
biodegradable hydraulic oil can be provided as
*optional. In case of its refill or replacement, it is im-
perative to comply with the technical specifications
of the product already present in the system.
All the operations requiring the intervention
on the components of the machine, shall be
carried out by authorized and trained tech-
nical 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 necessary to en-
sure the safety of the machine.

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