Thiele TWN 0805 Operating Instructions Manual

OPERATING INSTRUCTIONS
CHAIN SLINGS GRADES 80 AND 100
The following operating instructions must always be
followed to avoid the risk of personal injury or property
Do not use a chain sling before reading these operating
instructions.
1. ABOUT THIS INSTRUCTION
These operating instructions describes in particular how sling
chains according to TWN 0805 (former TWN 0805A) grade 80,
TWN 0072 grade 100 (TWN = THIELE Factory 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.
DANGER!
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!
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 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 1/4".
The working load limits have now also been adjusted.
THIELE GmbH & Co. KG
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damage.
Indicates a hazardous
Indicates a hazardous
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",
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
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).
•
The specific safety and operating regulations and standards
issued locally in the country where the items are used must
be observed.
B11082-F
US 04.2025
Chapters 26-0, 26-1, 26-4.
loads!
# Change indicator
replaces B11082-E
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