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8. INSPECTION AND MAINTENANCE
CAUTION
In this section, only the equipment with the searcher hook specification, different from the
standard specification is described.
See “Inspection and maintenance” for details on the machine not described in this section.
8.1 PRE-OPERATION INSPECTION
Check the following before starting work after mounting a searcher hook every day.
[1] Inspection of searcher hook boom and bracket
Check for any cracks, significant deformation or dirt in searcher hook boom and bracket.
Also, check for loose, missing or damaged check pins. Repair or replace if any abnormality is found.
[2] Inspection of swivel hook
Check that there is no deformation of the swivel hook (2) or noise
coming from bearings and the hook latch (S) functions correctly.
Also, check the shackle (3) attaching the swivel hook (2).
[3] Inspection of moment limiter (searcher hook mode)
CAUTION
In this section, only the equipment with the searcher hook specification, different from the
standard specification is described.
See “Inspection and maintenance” for details on the machine not described in this section.
Check that the monitor indicates the searcher hook mode and
“OFFSET POSITION” can be changed freely.
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