Safety Precautions - Crosby IP iPH10E Instructions D'utilisation

1. General
You have chosen a crosbyiP lifting clamp.
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If CrosbyIP clamps are maintained as described in this manual, they will remain in
optimum condition. We believe that CrosbyIP clamps are the most reliable lifting
clamps available. But using reliable tools does not automatically mean that practices
are reliable. The people who work with clamps play an equally important role in reliable
lifting. Ensure that everyone who works with CrosbyIP lifting clamps has been
instructed in the proper application of the clamps.
Inter Product BV provides a 10 year warranty for its clamps. In order to benefit from this
warranty programme and for more details on maintenance procedures, please consult
www.crosbyip.com/warranty for more information.
Please read and understand these instructions before using the lifting clamp.
check when
placing the clamp
1.1

Safety precautions

that slings are
not twisted.
Proper instruction for the personnel is of vital importance. This will contribute to
„
maximum reliability in the working environment.
it is not permitted
The IPH10E clamps may be used per pair, per three clamps or with several pairs
to stay in the
„
simultaneously for the lifting of steel plates. Ensure that each clamp receives its
danger zone of
equal share of the load. When using more than two clamps an equalizing beam is
the load.
recommended.
Hardness: With the standard clamps it is possible to lift steel with a surface
no changes may
„
hardness of 363 HV10. For harder steel types contact your CrosbyIP Customer
be made to
Service Centre.
crosbyiP clamps.
Contact your CrosbyIP Customer Service Centre before using this clamp for
never straighten,
„
plates and constructions that have a radius.
attempt to bend
Temperature: The standard lifting clamps may be used with temperatures that lie
or heat treat
„
between 100 ºC (212 ºF) and -40 ºC (-40 ºF). For other temperatures contact your
parts.
CrosbyIP Customer Service Centre.
There are restrictions for operation in special atmospheres (e.g. high humidity,
clamps suited for
„
explosive, saline, acid, alkaline).
stainless steel,
Loads: For proper application of the clamp consult the load diagrams 1-2.
must be used
„
Ensure that all attachments between lifting eye and crane are properly fitted,
only for handling
„
secured and coupled.
stainless steel, to
When using endless reeved chain the maximum admissible top angle is 60º and
avoid contact
„
the W.L.L. 50% of the maximum admissible W.L.L.
corrosion.
Several plates may be transported or lifted per lift.
„
The IPH10E clamps may not be used for sagging plates.
„
Copyright © 2013 The Crosby Group LLC. All Rights Reserved.
During the descent of the load there may be no obstacles present under the load
„
that can impede the load causing a clamp to be unloaded. The clamps may only
release the load when it is in a stable position.
During the tensioning of cables or chains the clamps must remain properly
„
positioned.
Remark: when handling the load, one should ensure that the load and or clamp
„
does not encounter obstacles which could release the load on the clamps
prematurely.
A clamp is a device that must be clean when used. Dirt has an adverse affect on
„
the operation and also on the reliability of the clamp. When the clamp is dirty and
greasy it can be cleaned with diesel oil or petroleum. Then blow dry with air or dry
with a cloth and apply a little lubricant. It is important to ensure that the gripping
surfaces are clean at all times. Regular cleaning will enhance the life and reliability
of the clamps.
1.2 inspection protocols
Prior to every application of the clamp it is important the clamp operator inspects the
clamp for proper functioning.
Attention must be paid to the following (see illustration 3 for part reference):
Ensure that the plate surface with which the clamp is to come into contact is free
„
of scale, grease, oil, paint, water, ice, moisture, dirt and coatings that might
impede the contact of the gripping surface with the plate.
Inspect camsegment (B) for wear and defects. The teeth must be sharp and free
„
of dirt.
Check the body (N) and the jaw for damage, cracks or deformation (this may
„
indicate overloading). The clamp must open and close properly (when the
operation of the clamp is stiff or heavy, it should be removed from operation for
inspection).
Check the camsegment shaft (G) for readily detectable wear and/or damage.
„
(check also the roll pin (P) which locks the camsegment shaft).
„
Check whether the W.L.L. and the jaw opening stamped on the body corresponds
„
with the load to be lifted.
The camsegment is the most critical part in the clamp and requires extra attention during
inspection. Ensure in any event for good light during inspection. Observe the following
rules during every inspection:
Camsegment: Reject when the sharpness of one tooth is damaged or worn for 50% or
more.
Copyright © 2013 The Crosby Group LLC. All Rights Reserved.
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