Thiele TWN 0798 Mounting Instructions

MOUNTING INSTRUCTIONS
SELF-LOCKING HOOKS
GRADES 80 AND 100
Eye type
TWN 0798
TWN 1836
The following Mounting Instructions must always be
followed to avoid the risk of personal injury or property
damage.
Do not use a self-locking hook before reading these
Mounting Instructions.
1. ABOUT THIS INSTRUCTION
This Mounting Instructions describes in particular how self-
locking hooks according to TWN 0798 grade 80, TWN 0799
grade 80, TWN 1836 grade 100 and TWN 1837 grade 100 (TWN
= THIELE Shop Standard) are to be safely used for lifting
purposes.
The instructions apply analogously to components of identical
design.
To comply with these instructions is essential to help avoid
hazards and increases the reliability and service life of the self-
locking hook.
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 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.
THIELE GmbH & Co. KG
www.thiele.de | info@thiele.de
© All rights reserved.
Clevis type
TWN 0799
TWN 1837
Indicates a hazardous
Indicates a hazardous
Definitions
Clevis
A U-shaped fitting with pin.
Working Load Limit (WLL)
The maximum load, which a self-locking hook is designed to
support.
Read ASME B30.10 „Hooks".
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!
Self-locking hooks 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 Mounting and 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), ISO 1837
Lifting hooks - Nomenclature.
• The specific safety and operating regulations and standards
issued locally in the country where the items are used must
be observed.
B11092-A
US 01.2020
loads!
# change indicator
replaces -
1 | 6