Lift mast – 7000
Main lift chain system 7120
© BT Repair manual SWE100, 120, 120L, 120S, 140, 140L, 200D 18 – 5
Order no.. Date Valid from serial no. T code
258946-120 2012-08-30 6061850- 841×842×843
The chain must be replaced
Bolt rotation
Bolt rotation can be a phenomenon of stiff links. The fault is easy to see
when comparing with a new chain.
.
The chain must be replaced
Loose bolts
If a bolt is loose it will protrude from the side of the chain, and this is due
to a stiff link or bolt rotation.
The chain must be replaced
Outline wear
P = Pitch.
H2 = Nominal disc height.
H3 = Minimum disc height.
A new lifting chain has a specific nominal disc height (defined as H2 in
the figure). As the truck is used, the lifting chain wears radially on the
P
H2 H
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