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JDN Air Hoists must not be used for the following
applications, for example:
Critical areas of nuclear plants.
Over acid baths or other plants with corrosive
substances.
In areas in which organic acids are present.
To ensure the safety of personnel and property
when using JDN Air Hoists, it is essential that the
following points are observed:
Lift the load carefully at first.
Never touch a running chain.
Never use the hoist chain for attaching loads.
Never allow loads to fall into the hoist chain.
If the chain is slack, do not take up the load at
maximum speed.
Only use
original JDN chain boxes
.
Do not exceed the permitted filling capacity of the
chain box.
When operating without a chain box, avoid hazards
due to idle chain (falling, catching, impacting), see
section
Operation without chain box,
page 19.
Never apply bending loads to chains.
Do not join or repair chains.
Do not operate with a chain which is drawn tight,
bent or extended.
Check jammed chains for damage.
Straighten twisted chains (defective bottom block)
Do not operate with damaged, worn or rusty chains.
Permitted operating temperature for chain and hook:
- 20° C to + 150° C, permissible ambient temperature:
- 20° C to + 70° C, permitted heat absorption of hoist
body: max. 90° C.
Never allow persons to enter the area below the
suspended load.
Never attempt to remedy a fault with a load
suspended from the hoist.
Only use suitable and approved sling gear; do not jam
the hook at the point of attachment.
Ensure that the operator is not put at risk within the
operating area by attaching aids or the load.
Follow the relevant instructions for attaching loads.
Before attaching, accurately position the load
vertically below the hoist. The chain must hang
vertically before lifting.
Ensure that the hook safety catch is closed.
Repair damaged hook safety catches.
Before lifting loads, ensure that the maximum
permitted load is not exceeded. Sling gear must be
included in the weight of the load.
When taking up and setting down, ensure stable
positioning of the load, to prevent accidents due to
tilting or falling loads.
Never force jammed loads.
Only lift one load at a time, never several loads
simultaneously.
Never lock the control elements of control devices.
If the control elements become difficult to operate,
have the hoist repaired.
In the case of power failure, secure the load and the
surrounding area until the power is restored.
Never use or repair bent, open or deformed load
hooks. The hoist must be expertly repaired and the
hook replaced.
Never anneal the hook.
Only operate JDN Air Hoists with
original JDN
controls
.
Uncontrolled, external force factors (e.g. due to
hydraulic cylinders, falling loads) are not permitted.
Repair stiff hook bearings.
Do not kink or pinch control hoses.
Have loosened bolted connections tightened by the
Repairs department.
Before removing compressed air hoses, shut off the
main air supply.
If the braking distance is excessive, repair the hoist.
If a load is lifted using several air hoists, prevent
overloading due to incorrect weight distribution.
Select a safe operating location.
Ensure the correct system pressure.
Never touch metallic hand controls which are colder
than 0° C or hotter than 43° C, without suitable
protective gloves.
Do not make modifications to the hoist.
Only use
original JDN spare parts.
J.D. NEUHAUS
GMBH & CO. KG accepts no liability for the use of
non-original components and/or modifications.
If, in the case of multi-chain hoists, the bottom block
is lying on the floor, move it back to a hanging
position in a controlled manner (evenly-loaded
chains).
Special safety precautions must be taken when loads
are being hoisted into areas that are out of sight.
powered by air !
O P E R AT I O N
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