Thiele TWN 0797 Mounting Instructions

MOUNTING INSTRUCTIONS
MASTER LINKS FOR 3- AND 4-LEG CHAIN SLINGS
GRADES 80 AND 100
Master link assemblies Oversized master
3- and 4-leg sling link assemblies
TWN 0797
TWN 1304
TWN 1315
TWN 1804
TWN 1815
The following Mounting Instructions must always be
followed to avoid the risk of personal injury or property
damage.
Do not use a master link for 3- and 4-leg chain slings before
reading these Mounting Instructions.
1. ABOUT THIS INSTRUCTION
This Mounting Instructions describe in particular how master
links for 3- and 4-leg chain slings according to several TWN
(TWN = THIELE Shop Standard) are to be safely used for lifting
purposes.
The instructions apply analogously to components of identical
design.
Compliance with these instructions is essential to help avoid
hazards and increases the reliability and service life of the
master link for 3- and 4-leg chain slings.
DANGER!
situation, which, if not avoided, will
result in death or serious injury.
WARNING!
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
specific safety-related instructions or
procedures.
THIELE GmbH & Co. KG
www.thiele.de | info@thiele.de
© All rights reserved.
Fixed size master
link assemblies
TAA / TAB
TWN 0817 TWN 0810/4
TWN 0811/4
TWN 1810/4
Indicates a hazardous
Indicates a hazardous
Indicates a hazardous
Instructions signs indicate
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 or component is
designed to support.
Read ASME B30.9 „Slings", Chapters 9-0 and 9-1.
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
The Working Load Limit must not be exceeded!
Only use master links as well as 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 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
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).
B11089-A
US 01.2020
loads!
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