MAN B&W L28/32H, Руководство пользователя

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Overhaul Recommendations
96.21
D 10 35 0
1624483-2.2
Page 1 (1)
Turbocharger
Regulating system
Cylinder head
Fuel injection valve
Exhaust valve
Air inlet valve
Valve guide
Safety valves
Cylinder head nuts
Compressed air system
Main bearings
Supporting chocks
and bolt connections
Autolog reading
Big-end bearing
Piston
Cylinder liner
Fuel pump
Torsional vibration
dampers
Lub. oil filter cartr.
Filter Cartridges
every second
day
every week
25-75
with new or
overhauled
turbocharger
once aft 1000
6-8.000
6-8.000
16.000
monthly
2.000
2.000
16.000
monthly
16.000
16.000
16.000
16.000
16.000
6-8.000
6-8.000
6-8.000
6-8.000
6-8.000
6-8.000
6-8.000
16.000
16.000
16.000
32.000
32.000
32.000
32.000
32.000
64.000
48.000
32.000
64.000
80.000
32.000
1.500
1.500
Expected
Service
Life
Component
Hours
Between
Overhauls
Overhaul Recommendations
Dry cleaning of turbine side .............................................................
or
Wet cleaning of turbine side ............................................................
Water washing of compressor side .................................................
Air filter cleaning : Based on observations.
Inspection: Check all mounting screws, casing screws and pipe
line connections for tight fit by tapping, retighten if necessary .........
Compressor cleaning in dismantled condition: compressor
inner components, final diffusor, compressor wheel ........................
Silencer cleaning in dismantled condition: silencer felt linings ...
Major overhaul: Dismantling, cleaning, inspection, checking and
cleaning cartridge, checking bearing clearances, checking gaps
and clearances on reassembly .......................................................
Function check of overspeed and shutdown devices.
Check that the control rod of each individual fuel pump can easily
go to "stop" position .........................................................................
Checking and adjustment of valve clearance ..................................
Checking, cleaning and adjustment of opening pressure ................
Overhaul and regrinding of spindle and valve seat ..........................
Function check of rotocap ...............................................................
Overhaul in connection with exhaust valve overhaul .......................
Measuring of inside diameter in connection with valve overhaul .....
Overhaul and adjustment of opening pressure ................................
Retightening 200 hours after new or overhaul
Check of compressed air system ....................................................
Refill of air lubricator : Based on observations.
Inspection according to classification survey, normally after 24.000
running hours or 4 years of service .................................................
Retightening of main bearing cap. 200 hours after new or overhaul
and every ........................................................................................
Retightening of screws for counterweights. 200 hours after new or
overhaul and every ..........................................................................
Retightening of holding-down bolts. 200 á 1000 hours after new or
overhaul and every ..........................................................................
Retightening of bolts between engine frame and base frame ..........
For flexible mounted engines. Check anti-vibration mountings ........
Crankshaft deflection and main bearing clearance reading. Should
be carried out in connection with retightening of main bearing and
holding-down bolts ..........................................................................
Retightening and checking of bearing clearance. 200 hours after
new or overhaul and every ..............................................................
Inspection in connection with piston overhaul .................................
Overhaul, replacement of compression rings and scraper rings,
measuring of ring grooves, inspection of big-end bearing and
inspection of cylinder liner condition ................................................
Inspection, measuring and reconditioning of running surface
condition: In connection with piston overhaul ..................................
Overhaul and reconditioning of surface between liner and frame and
cleaning of surface in cooling water space ......................................
Fuel pump barrel/plunger assembly. Overhaul based on operational
observations ....................................................................................
Overhaul .........................................................................................
A sample of silicone fluid must be taken and analysed in between.
Replacement based on observations of pressure drop ...................
Replacement based on observations ..............................................
L28/32H