AXL02-2S (A1F2Y 3F0) PN6, AXL02-2S (A1F2Y 3F0) PN16, AXL02-2S #300, LSD02-0S (S2F0XV 3FF) PN16, LSD02-0S (S2F0YV 3FF) PN16, LSD02-0S #300, UND02-0S PN6
AXL02-2S (A1F2Y 3F0) PN6, AXL02-2S (A1F2Y 3F0) PN16, AXL02-2S #300, LSD02-0S (S2F0XV 3FF) PN16, LSD02-0S (S2F0YV 3FF) PN16, LSD02-0S #300, UND02-0S PN6 by Steelflex S.r.l.. DNV TA certificate TAP00002R9.
Inspector Detail
▸
Common issues
- Hydraulic seal wear in the vane/RAM housing leading to internal or external leakage
- Hydraulic oil contamination (water or particulate) causing sluggish or jerky rudder movement
- Rudder feedback linkage wear causing helm/rudder angle indicator mismatch
- Relief valve drift, allowing pressure loss or hunting under load
- Non-return or isolating valve leakage between the two steering gear power units
- Corrosion at the tiller/quadrant coupling to the rudder stock
Inspection checklist
- SOLAS pre-departure steering gear test - full rudder travel, both power units, changeover
- Visual check for hydraulic oil leaks at seals, hoses, and valve blocks
- Check hydraulic oil level, cleanliness, and water content
- Check rudder angle indicator accuracy against actual rudder position at hard-over
- Function test of the emergency/alternative steering position and changeover procedure
- Check relief valve setting/operation where testable without dismantling
- Inspect the tiller/quadrant and rudder stock coupling for movement, corrosion, or looseness
- Confirm isolating valves between power units operate freely and seal correctly
Service intervals
| Pre-departure full steering gear test | before every departure, per SOLAS |
| Hydraulic oil condition check | commonly every 3-6 months - confirm against manufacturer's manual |
| Full hydraulic oil change | per manufacturer's manual, or on condition (contamination found) |
| Seal renewal (vane/RAM housing) | condition-based, typically checked and budgeted for at drydock |
| Rudder angle indicator calibration check | annually |
Critical spares
- Vane/RAM seal kit
- Hydraulic hoses matching the installed pressure rating
- Relief valve or repair kit for the fitted valve
- Non-return/isolating valve seals
- Hydraulic oil of the correct grade per manufacturer's manual
Safety
- Loss of steering is a direct navigational safety hazard - both power units and the changeover must be proven working before departure
- High-pressure hydraulic oil injection injury risk when working on pressurised lines - depressurise and lock out first
- Crush hazard from the moving tiller/quadrant during testing - keep clear of the steering gear compartment during full-travel tests
- Confirm the emergency steering position and communication with the bridge are drilled, not just mechanically tested
Class survey
Class verifies the steering gear test record (both power units, changeover, emergency steering drill) and checks that main and auxiliary steering gear each achieve the required rudder movement within SOLAS time limits; a missed or incomplete pre-departure test entry is a common finding.
Components & Design
Component data being added…
Technical Data
🤖 Ask about this model
One free question — answered like a marine engineer. No account needed.
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 →