MOUNTING INSTRUCTIONS
CHAIN COUPLING SHACKLES
GRADES 80 AND 100
THIELE GmbH & Co. KG
# change indicator
www.thiele.de | [email protected]
B11091-B
replaces B11091-A
© All rights reserved
US 03.2022
1 | 5
Clevis chain
coupling shackles
TWN 0861
Clevis chain coupling
bolt shackles
TWN 0862
Clevis special
shackles
TWN 0897
The following mounting instructions must always be
followed to avoid the risk of personal injury or property
damage.
Do not use a chain coupling shackles before reading these
mounting instructions.
1.
ABOUT THIS INSTRUCTION
These mounting instructions describe in particular how chain
coupling shackles according to TWN 0861, TWN 0862 and
TWN 0897 (TWN = THIELE works standard) are to be safely
used for lifting purposes.
The instructions apply analogously to components of identical
design.
To comply with these mounting instructions is essential to help
avoid hazards and increases the reliability and service life of
the chain coupling shackles.
DANGER!
Indicates
a
hazardous
situation, which, if not avoided, will
result in death or serious injury.
WARNING
!
Indicates
a
hazardous
situation, which, if not avoided, could
result in death or serious injury.
CAUTION!
Indicates
a
hazardous
situation, which, if not avoided, could
result in minor or moderate injury.
NOTICE!
Is used to address practices not
related to physical injury.
SAFETY INSTRUCTIONS
signs indicate
specific safety-related instructions or
procedures.
Chains and accessories marked with the American nominal
size 7/32” already corresponded to European nominal size
6 mm. In order to achieve a better match, the previous
nominal size 7/32" is now converted to the new nominal size
1/4”
#
. The working load limits have now also been adjusted.
#
DEFINITIONS
Clevis
A U-shaped fitting with pin.
Working Load Limit (WLL)
The maximum load which a chain coupling shackle is designed
to support.
Read ASME B30.26 “Rigging Hardware”,
Chapters 26-0, 26-1, 26-4.
2.
BASIC SAFETY REQUIREMENTS
To prevent the risk of injury never walk or stay under lifted
loads!
The working load limit must not be exceeded!
Chain coupling shackles as well as lifting and attachment
means to be used must be free from defects!
Working under the influence of drugs, medications
impairing the sense and/or alcohol is strictly forbidden!
•
Operators, fitters and maintenance personnel must in
particular observe the operating and mounting instructions
as well as standards ASTM A 906/A 906 M (Standard
Specification for Grade 80 and Grade 100 Alloy Steel Chain
Slings for Overhead Lifting), ASTM A 952/A 952 M (Standard
Specification for Forged Grade 80 and Grade 100 Steel
Lifting Components and Welded Attachment Links),
ISO 056 (Non-calibrated round steel link lifting chain and
chain slings; Use and maintenance), ISO 7593 (Chain slings
assembled by methods other than welding; Grade T(8)) and
ISO 4778 (Round steel short link chains for lifting purposes –
Chains slings of welded construction – Grade 8).
•
The specific safety and operating regulations and standards
issued locally in the country where the items are used must
be observed.
•
The directions given in these mounting instructions and
specified documentations relating to safety, assembly,
operation, inspection, and maintenance must be made
available to persons operating and using the chain coupling
shackles.
