Alpha CP Propeller Mk 5 (VBS 1180 / 1280 / 1380 / 1460 / 1560 Series)
MAN Energy Solutions / Everllence Alpha CP Propeller Mk 5 (VBS 1180 / 1280 / 1380 / 1460 / 1560 Series) — large-range variable pitch propeller for large motorships, container and megaships.
Components & Design
Component data being added…
Technical Data
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Common failures & inspection points
Visual and tactile surface inspection every 5 years (removal of min. one blade). Search for pitting patterns, erosion scars, deformation and cracks on pressure side and root area.
10-yearly complete maintenance: oil analysis, pressure test (90 bar), inspection of all hydraulic lines, seals and thrust rod connections. Wear parts measurement with residual service life evaluation.
3-point geometric measurement of all blade shape, hub-blade root play and pitch control head clearances. Measurements to be verified against tolerance tables and original drawings.
Shaft measurement and reverse run control. In case of abnormal vibrations: perform blade bow measurement, check imbalance calibration. Inspect bearing play and shaft deflection.
Every 5 years: oil change and filter cleaning. Replacement of blade sealing rings (elastomer). 10-year inspection: removal of all blades for undersurface inspection and complete seal kit renewal.
Type-general inspection and maintenance points for this equipment category — not model-specific.
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