M230 Series (M230.20A)
DMW Marine M230 Series (M230.20A) — Knuckle boom cranes for luxury yachts, oceanographic research vessels, coast guard, military applications.
Components & Design
Component data being added…
Technical Data
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Common failures & inspection points
Visual inspection for corrosion along booms, slewing rings, welds, and bolts; metal cracking around welds and permanente distortions; stainless steel and flame metalized coating integrity
Test load limiters (upper and lower limit stops) for reliable activation; emergency stop button responsiveness; brake functionality and clutch/sprag mechanism engagement under lateral forces
Visual inspection and measurement of hoses, cylinders, seals for wear; hoist wire rope and chain condition; hydraulic pressure testing; accumulator and diaphragm condition
Slewing drives, brakes, clutches, and rotation mechanisms for wear and bearing condition; bolt elongation records; greasing of moving parts; quarterly/semi-annual slewing gear service intervals
Non-destructive testing (NDT) of boom structure, welds, and joints; inspection for cracks, deformations, permanent distortion; evaluation of reinforced structures and oversized pins/bushings for marine side load capability
Type-general inspection and maintenance points for this equipment category — not model-specific.
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