30 Mar 21
COMMON PROBLEMS FOUND IN ALPHA LUBRICATION SYSTEM
During our service attendance of main engine alpha lubrication system, noticed many defects which may prevent proper working of the system, hence it is very important to follow up MAN B&W service letter SL2016-632 for the maintenance programme. Please do not hesitate to contact with us in case any further information required.
DEFECTIVE INDEX TRANSMITTER ARMS
DEFECTIVE INDEX TRANSMITTER ARMS
DAMAGED SPIDER COUPLING ELEMENT
DAMAGED SPIDER COUPLING ELEMENT
BURST INDUCTIVE SENSOR
BURST INDUCTIVE SENSOR
DEFECTIVE NON-RETURN VALVE
DEFECTIVE POWER SUPPLY UNIT
DEFECTIVE FILTER COVER
WORN SUPPLY PUMPS
DEFECTIVE INDEX TRANSMITTER
DEFECTIVE INDEX TRANSMITTER
DEFECTIVE HEATER OR THERMO VALVE
DEFECTIVE HEATER OR THERMO VALVE
DEFECTIVE ELECTRONIC COMPONENTS
DEFECTIVE ELECTRONIC COMPONENTS
SCUFFED PISTON SURFACE
DEFECTIVE SOLENOID VALVE
MALADJUSTED ENCODER
BURST OR DE-PRESSURIZED ACCUMULATOR
DEFECTIVE MOTOR INSULATION
LEAKAGE ON NON-RETURN VALVE
PARAMETER PROBLEM ON MCU
WRONG TIMING PARAMETERS
EXCESSIVE OIL LEAKAGE FROM INDUCTIVE SENSOR
BURST ELECTRONIC COMPONENTS
DAMAGED PLUGS
DEFECTIVE INSULATION ON PLUG CABLES
DAMAGE ON PUMP SHAFT
