T-code Valid from serial number
403-414, 669-671, 716-718 713962-
Date Order number
2005-06-01 218920-040
36-  2 Service  Manual  REFLEX RR B/E, RR B/E CC © BT Europe AB
Main lift chain system – 7120
Chain inspection
36.3.4 Stiff links
If it is not possible to pull out the chain to its normal position this can be 
because of link rust or seizing.
The chain should be replaced.
36.3.5 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 should be replaced
.
36.3.6 Loose bolts
If a bolt is loose it will protrude from the side of the chain, which is due 
to a stiff link or bolt rotation.
The chain should be replaced.
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