Maeda CC1485S-1, Инструкции по эксплуатации, Страница: 139 / 370

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[1] INSPECTION AROUND CRANE
• Look around the surrounding area and lower parts of the boom and boom mounts to check for oil
leaks. In particular, thoroughly inspect the derricking cylinder and the lower part of the winch motor
around the mounts. Repair if any abnormality is found.
• Check parts of the mount for cracks, noticeable deformation and contamination. Check also the
bolts, nuts, pins and piping connections for looseness, falling off or damage. Repair if any
abnormality is found.
• Check parts of the boom for cracks, noticeable deformation and contamination. Check also bolts,
nuts, pins and piping connections for looseness, falling off or damage. In particular, check boom
supporting pins and derricking cylinder supporting pins for remarkable wear and damage. Repair
if any abnormality is found.
• Check the wire rope for the over winding detection weight of the over hoist detector at the boom
tip for noticeable damage and deformation.
Repair if any abnormality is found.
• Check the working lamp for breakage, noticeable deformation or contamination. Repair if any
abnormality is found. Clean if there is any contamination.
• Check the electric wiring for slackness, connections for looseness and traces of burning. Repair if
any abnormality is found.
[2] INSPECTION OF WIRE ROPE
See “Operation 4. Wire Rope Handling” for details.
• Check the wire rope for damage, deformation, wear, twist, kinks or corrosion. Replace if any
abnormality is found.
• Inspect the binding condition of the wire rope end. Replace if the wire rope end is loosened.
• Check the wire rope for irregular winding (winch drum part). Rewind if there is irregular winding.
[3] INSPECTION OF HOOK BLOCK
• Inspect if the wire rope latch (1) functions properly. Repair
if any abnormality is found.
• Turn the hook and inspect if it turns smoothly and if any
abnormal noise is generated from the trunnion.
Repair if any abnormality is found.
• Check the hook for cracks and noticeable deformation.
Repair if any abnormality is found.
• Replace the hook if the dimension
a
between punch
marks stamped on the hook is 122.4mm or more and the
dimension b of the lower part of the hook is 70.8mm or
less.