DKF 400
Palfinger Marine DKF 400 — Heavy-duty offshore knuckle boom crane for oil rigs, FPSO, offshore vessels.
Components & Design
Component data being added…
Technical Data
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Common failures & inspection points
Structural inspection of boom, jib, and pedestal for cracks, corrosion, deformation, and weld integrity (per EN 13852 / API 2C / NORSOK R-002)
Wire rope and sheave inspection: check for broken wires, kinks, wear, correct spooling on drum, and wire termination integrity
Hydraulic system check: oil level, hose condition (abrasion, leaks, fittings), pump pressure test, relief valve calibration, and cylinder seal integrity
Slewing ring and slewing gear inspection: lubrication, backlash measurement, bolt torque verification, gear tooth wear
Load testing and SWL verification: periodic proof load test at 110–125% SWL, functional test of overload protection and load-limiting devices
Hook, swivel, and block inspection: wear, deformation, safety latch function, crack testing on hook body (NDT as required by class)
Brake systems check: hoisting, luffing, and slewing brakes — test function, check pad/disc wear, verify fail-safe operation
Electrical and control systems check: limit switches (hoist upper/lower, slewing), emergency stop function, pendant/remote control operability, corrosion protection of enclosures
Type-general inspection and maintenance points for this equipment category — not model-specific.
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