Alpha CP Propeller Mk 5 (VBS 640 / 740 / 860 / 980 / 1080 Series)
MAN Energy Solutions / Everllence Alpha CP Propeller Mk 5 (VBS 640 / 740 / 860 / 980 / 1080 Series) — mid-range variable pitch propeller for cargo ships, tankers and multipurpose vessels.
Components & Design
Component data being added…
Technical Data
🤖 Ask about this model
One free question — answered like a marine engineer. No account needed.
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.
Suppliers & Spare Parts
Direct links to manufacturer, datasheet, spare-parts portal and dealers — request access below.
📄 Request sourcing links & documentsCases, daily reports, timesheets and AI troubleshooting in the OceanSphere Marine app — free for 14 days.
Start free trial →Find manufacturers, repair shops and spare-part dealers in the Maritime Network — our global company directory.
Maritime Network →