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Maintenance Procedure 3 – Chain Inspection
WARNING
Lift chains are critical safety components.
DO NOT attempt to modify the lift chains by changing their length.
DO NOT attempt repair of chains by cutting or welding.
If a chain is damaged or worn beyond usable limits it must be
replaced.
Serious injury and/or damage to the vehicle may result from using
damaged or worn lift chains.
Lift chains should be carefully inspected to ascertain if they are serviceable.
Check that the chain does not exhibit the following characteristics:-
1) Chain stretch – the links of the chain elongate causing the overall chain length
to increase.
2) Deformation through bending or twisting of the links.
3) Chain wear – the links wear at the bearing surfaces weakening the chain and
causing the overall chain length to increase.
4) Cracks in the links.
Any chain exhibiting any of these characteristics should be replaced and taken out of
service.
Links Close
Up As They
Elongate
Bent
Bent
Twisted