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5.6 Shortening Device TWN 1896,
Grade 100
WLL
Nominal
Article No.
Size
[lbs.]
7/32
F189606
3,200
1/4
F189608
5,700
3/8
F189610
8,800
1/2
F189613
15,000
5/8
F189616
22,600
6. Assembly and Disassembly
6.1 Clevis-Type Fastening System
Only chain and component of same nominal size and
grade belong together!
Only connect pins and components of the same
grade!
(starting with Ø ½" the pins are marked on the front end)
Assembly
If necessary, remove dowel pin
and pin.
(A) Place end of chain leg
between the lateral clevis
elements.
(B) Push pin from the side fully
into the clevis and through the
last chain link of the leg.
(C) Drive dowel pin fully in
(must not project) to secure the
pin. The slot must face away
from the pin.
Check the chain runs
smoothly!
The dowel pins must only be installed once.
Disassembly
Slacken the respective chain.
(A) Drive dowel pin out using
hammer and drift punch.
(B) Push pin out.
(C) Remove the chain.
Suitable drift punches are available by Article No.
Z03303.
B11095-A
Dimensions [mm]
E
E
E
Interm. Link
1
2
137
31
60
Ø10x46x23
175
38
78
Ø13x60x30
215
46
99
Ø16x70x35
270
59
126
Ø18x85x40
326
76
150
Ø22x100x50
6.2 Shortening Device
One of the short chain legs has to be connec-
ted to the master link, may by a ring shackle
as part of a fixed size master link assembly or
by a connector.
The second short chain leg has to be connec-
ted to a shortening claw or shortening hook
with clevis-type fastening system.
Mass
app.
A longer chain leg with a hook or other device
[lbs.]
at its end to carry the load has to be mounted
to the ringshackle. This chain leg can be
0.71
shortened be the usage of the mounted
1.54
shortening claw or shortening hook.
3.09
5.73
7. Conditions of Use
11.02
7.1 Normal Use
A shortening element is only used to shorten a single
chain leg and never to transfer the load to additional chain
legs. The shortened part of the chain leg must remain
unloaded.
Therefore, it is not allowed to create a 4-leg chain sling
assembly made of a 2-leg chain sling assembly by adding
shortening devices.
Shortening individual chain legs is indicative of a non-
symmetrical load distribution. In this case, attention is to
be paid to WLL reductions.
7.2 Shortening Hook
Assembly and disassembly are only carried out in un-
loaded condition.
Assembly
Push the chain link of the chain leg to be shortened past
the hook tip into the slot. If a safety bolt is present, push it
back with the chain or pull it back by hand at the rear edge
nut. Make sure that the lower leg of the chain link inserted
into the slot is positioned near the bottom of the hook and,
if present, that the safety pin above the upper leg of this
chain link returns automatically to its extended safety
position.
The chain leg to be loaded can be located either to the
right or left of the central longitudinal plane of the hook.
Disassembly
If present, pull back the locking pin on the rear knurled nut
and lift the shortened chain leg completely out of the slot
of the shortening hook to remove it.
4 / 6
US-010619
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