LK LD Series, User Instruction, Page: 27 / 48

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(2) About a lower hook part
If the hook-turning is not smooth enough (see the picture shows the items for test operating)
or the there is more than 2mm gap as like the picture17, disassemble the lower hook part to
exchange.
No matter there is thrust bearing which can be replaced by itself. draw a line between the top
and bottom. The larger inside diameter goes to bottom. As the arrowed point (see the
picture16) shows remarkable deform, it should be replaced.
8. Abrasion of Trolley roller(please check per 6(six) monthes or any time)