Employees who are in charge of transporting loads
and who use these devices for this purpose must be
regularly instructed by a qualified person at least once
a year. It is not sufficient to merely hand out or hang
up regulations, operating manuals or warning signs.
When the jack is under load in the lifted state:
• no persons may work under the lifted object.
• the jack must not be left unsupervised.
• its use by unauthorized personnel must be
prevented.
• no objects may be under the lifted object.
All jacks are furnished with a safety valve, which limits
the permissible operating pressure of the internal
pump of the jack to 520 bar, and therefore limits the
maximum load capacity to a permissible value for the
respective jack.
© JUNG Hebe- und Transporttechnik GmbH
1.4 Means of representation
> Operating instructions
Indicates important information and tips
on handling the unit
1.5 Protective equipment
All operating personnel must wear protective equipment.
This includes safety shoes, safety helmet, safety gloves,
work wear and safety goggles.
Jacks of the JH / JH EX / JHS series
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