OPERATING INSTRUCTIONS
CHAIN SLINGS GRADES 80 AND 100
THIELE GmbH & Co. KG
# Change indicator
www.thiele.de | [email protected]
B11082-C
replaces B11082-B
© All rights reserved.
US 01.2020
1 | 11
The following Operating Instructions must always be
followed to avoid the risk of personal injury or property
damage.
Do not use a chain sling before reading these Operating
Instructions.
1.
ABOUT THIS INSTRUCTION
This Operating Instruction describes in particular how sling
chains according to TWN 0805A grade 80, TWN 0072 and TWN
1805 grade 100 (TWN = THIELE Shop Standard) are to be safely
used for lifting purposes.
The instruction applies analogously to components of the
identical design.
To comply with these instructions is essential to help avoid
hazards and increases the reliability and service life of the chain
slings.
Chains and accessories marked with the American nominal size
7/32
”
already corresponded to the 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
15/64
”
. 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 sling is designed to support in
direct tension without shock loading at a designated sling angle
of lift.
Read ASME B30.9 ”Slings“, Chapters 9
-0 and 9-1.
Read
ASME B30.10 ”Hooks“.
Read ASME B30.26 “Rigging Hardware”,
Chapters 26-0, 26-1, 26-4.
If chain slings are used with lifting magnets, read ASME
B30.20 ”
Below-the Hook-Lifting-
Devices“, Chapter 20
-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!
Only use lifting and attachment means 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 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 3056 (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).
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.
