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L27_38 - HFO Maintenance Program

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  L27/38        2      0      0      0   -      1      1   -      0      1 Release 1 00D2-01 MAN Diesel & Turbo Maintenance program L27/38 - HFO operation Majoroverhaul/inspection    C   h  e  c   k  n  e  w   /  o  v  e  r   h  a  a  u   l  e   d  p  a  r   t  s  a   f   t  e  r  -   h  o  u  r  s Chapter Description Check the condition Overhaul to be carried out Time between overhauls Engine frame and foundation Foundation bolts — retightening, see Tightening specification in chapter 00 Data 200Safety cover — function test 10 Crankshaft and main bearing Inspection of main bearing (two by two) 10Inspection of guide bearing 10Recording of crankshaft deflection 12Main and guide bearing cap — retightening 200 10 Vibration damper — check sleeve springs 12Counterweights — retightening, see Tightening specification in chapter 00 Data 200 12   Camshafts and camshaft drive Camshafts — inspect gear wheels, screws, connections etc 14Camshaft bearings — check of clearance 14Camshaft — check of cam followers 14 Cylinder unit Dismounting of cylinder unit (if space available above engine) 16Inspection of piston 16Piston rings and scraper rings to be replaced 16 Inspection of connecting rod bearing shells 16 Connecting rod — retightening 200 16Cylinder liner — bore scope inspection 16Cylinder liner-cleaning, honing and measuring 16Inlet valves, exhaust valves, valve guide and valve rotator 16 Safety valve — check and adjustment of opening pressure 16 Indicator valve 16 Cylinder head nut — retightening 200 16    2   0   0   2   0   0   0   6   0   0   0   1   2   0   0   0   1   8   0   0   0   2   4   0   0   0   D  a   i   l  y   W  e  e   k   l  y   M  o  n   t   h   l  y   O   b  s  e  r  v  a   t   i  o  n  s  L27/38        2      0      0      0   -      1      1   -      0      1 Release 1 00D2-01 See Maintenance programme during operation , page 14. Turbocharger Charging air cooler — cleaning and inspection 18Retightening all screws and connections 200 18For turbocharger, refer to special manual 18 Fuel oil system and injection equipment Fuel oil injection pumps — check of condition 20 Fuel injection pump — retightening 200 20Fuel injection valves 20 Starting air system Air starter — inspection and overhaul 26 Lubricating oil system Lubricating oil pump — engine driven 28Lubricating oil cooler 28Lubricating oil filter 28Thermostatic valves 28 Cooling water system Cooling water pumps — engine driven (LT/HT water) 30Thermostatic valves 30 Local monitoring, control and safety systems Function test of monitoring, control and safety sensors 84    C   h  e  c   k  n  e  w   /  o  v  e  r   h  a  a  u   l  e   d  p  a  r   t  s  a   f   t  e  r  -   h  o  u  r  s Chapter Description Check the condition Overhaul to be carried out Time between overhauls    2   0   0   2   0   0   0   6   0   0   0   1   2   0   0   0   1   8   0   0   0   2   4   0   0   0   D  a   i   l  y   W  e  e   k   l  y   M  o  n   t   h   l  y   O   b  s  e  r  v  a   t   i  o  n  s
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