For various areas of application, a chain box enhances
operational safety, i.e. when a chain which is hanging
down could become caught up with the load.
JDN chain boxes are available in various sizes, corres-
ponding to the chain lengths.
AT T E N T I O N !
Do not exceed the permissible filling
capacity. Danger of chain dropping.
AT T E N T I O N !
Loads must not be moved against the chain
box during lifting. If necessary, attach a
clamp to the chain.
The clamp must be attached above the load hook so
that it functions as a preliminary end stop. With the
PROFI 6 TI and PROFI 10 TI (dual chain) the clamp must
be positioned as far as necessary downwards on the
reeved chain in order to support the bottom block
(stationary chain). In addition, a spacer must be
attached to the opposite (moving) chain above the
buffer in order to relocate the load hook stroke limiter.
Please contact us, if required.
For greater clarity, see
the lower illustration on page 50.
In all cases, a clamp is attached in the 10th chain link
of the unloaded chain end so that a length of chain
remains in the chain box when the bottom load hook
position is reached. Thus, the chain cannot run next to
the chain box during subsequent lifting (see section
Removing and installing chain
page 57).
Depending on the ratio of the size of the hoist (without
running gear) and the chain box, the chain box may
have to be stabilised by the customer due to an
acceptable vertical hoist position. This is facilitated
by a suspension point on the rear of the box. We will
be happy to answer any questions on this matter.
Modifications may only be made to the chain box
on agreement with J.D. Neuhaus GmbH & Co. KG.
AT T E N T I O N !
Never allow the chain to pile up in the
chain box.
The chain must only enter the container via
the chain drive. If it falls out of the container,
e.g. during transportation, it must be run out
completely on the load hook side and then run
back into the container via the chain drive,
in the air hoist operating position.
왘
After installing the chain box, lower the load hook to
the bottom position once.
왘
Then activate the lifting movement and run the
complete chain into the chain box.
DA N G E R !
During operation with the chain box, lubri-
cation of the chain is particularly important
in order to prevent it from piling up and
falling out.
Do not install longer chains when changing
chains.
Furthermore, hazards arise due to rusty
chains when operating with chain boxes,
as the chain can form a heap and fall over
the edge of the container rim. In addition,
rusty chains are subject to extreme wear.
If the hoist has been transported with the chain in the
chain box, the chain box must be emptied manually
before initial operation (if necessary, remove the chain
box from the hoist). The entire chain must then be
allowed to run to the load side and, subsequently, be
driven back into the chain box. The hoist must be kept
in a hanging position during this procedure.
This process will ensure that the chain does not lock
when loads are being lowered.
C H A I N B OX
powered by air !
AC C E S S O R I E S
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