Planeta LHT Series, Руководство по эксплуатации и техническому обслуживанию

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6. Maintenance and inspection
Chains and hook
– The chains and hooks must be inspected on a regular basis! Clean the chain before
inspection. Slightly lubricate the load chain from time to time! Never oil or grease
the brake!
– The load chain must not crack when load is attached.
– Check the chain for elongation! Measure the internal length (t) of a worn chain link,
the smallest diameter of the wire (D) and the length over 11 chain links; the chain
must be held taut during this process. If the measured dimension then exceeds the
dimension (a) stated in the following table, then the chain must be replaced. The
diameter must not be less than dimension (D), do not exceed the spacing (t) on an
individual link.
Load
bearing
capacity
Max. measurement over Min.
chain link
diameter
(D)
1 chain
link (t)
11 chain
links (a)
0,5 t 15,8 mm 170,0 mm 4,5 mm
1 t 18,9 mm 210,9 mm 5,4 mm
1,5 t 25,2 mm 271,9 mm 7,2 mm
2 t 25,2 mm 271,9 mm 7,2 mm
3 t 31,5 mm 352,5 mm 9,0 mm
5 t 31,5 mm 352,5 mm 9,0 mm
10 t 31,5 mm 352,5 mm 9,0 mm
20 t 31,5 mm 352,5 mm 9,0 mm
If the laod chain need stp be replaced, it is assumed that the load chain sprocket is
affected as well. It has to be also checked for wear.
Hook inspection Item 31 and Item 32 for 0.25 - 3 t version;
Item 57 and Item 71 for 5 t version;
Item 77 and 84 for 10 t version