MJC Series (MJC-250F, MJC-280F, MJC-340F, MJC-360F)
Mitsubishi MJC Series (MJC-250F, MJC-280F, MJC-340F, MJC-360F) — Composite oil-fired and exhaust gas heat recovery boiler for installation in main engine exhaust ducts.
Components & Design
Component data being added…
Technical Data
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Common failures & inspection points
Visual inspection for cracks, corrosion, deformation, and water leakage; verify water-wall tube condition and tube thickness
Direct visual examination of headers and tubes; remote viewing (endoscope), Ultrasonic Testing (UT), or hydraulic pressure testing if visual access not possible; inspect supports, rolling stays, and uptakes
Annual safety valve testing; pressure gauge calibration; verify lift pressure and flow capacity; test protective devices including flame failure safeguards and fuel shutoff systems
Visual inspection of refractory lining for cracks, erosion, or spalling; verify burner alignment and flame pattern; check for soot accumulation and corrosion on combustion chamber walls
Inspect fuel filters and strainers for contamination; verify fuel pump operation and pressure; check atomizer condition; test fuel heater thermostat and temperature control; inspect fuel piping for leaks and corrosion
Type-general inspection and maintenance points for this equipment category — not model-specific.
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