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Component
Work to be carried out
Intervals & Lifetime
[operating hours]
System oil
Laboratory analysis
3000
Main fuel and lubricating oil filters
Check filter elements - in particular for white metal particles (clean or
replace filter as necessary). Follow manufacturer’s instructions
3000
Cooling water
Calculate quality, concentration of inhibitor and pH value (follow
instructions of inhibitor manufacturer)
weekly
Bedplate (Group 11xx)
Check pre-tension of foundation bolts, first check after 1500 Op. H
12000
Check condition of rubber gasket in the vertical oil drain to sump tank (see
SPC 9722), first time at the earliest opportunity after ship delivery.
30000 (replacement
recommended)
Estimated lifetime: Bedplate foundation bolts
engine lifetime
Crankcase
Visual examination, 100 Op. h after overhaul works: search for white metal
particles from bearings and for abnormalities in general.
1500 - 3000
Main bearing (Group 12xx)
Bearing shell inspection is only necessary if bearing clearance, crankshaft
deflection, wire check, oil analysis or crankcase inspection indicates
excessive wear or damage
at indications of excessive
wear or damage
Bearing edge check by wire
6000
Check bearing clearance see 0330-1
6000
Estimated lifetime: Main bearing shell
90000 (replacement if
required)
Thrust bearing (Group 12xx)
Check axial and vertical clearances
6000
Check bottom drain for free passage
6000 - 8000
Thrust bearing pads inspection is only necessary if bearing clearance, oil
analysis or crankcase inspection indicates excessive wear or damage
at indications of excessive
wear or damage
Estimated lifetime: Thrust bearing
Engine lifetime (replacement if
required)
Engine stays (Group 97xx)
Friction type: Check pre-tension of screws and remove corrosion marks
from friction elements, first time after sea trial
6000 - 8000
Hydraulic type: Check oil pressure at the gauge
monthly
Tie rod (Group 19xx)
Check pre-tension, if necessary re-tension, first time after one year of ship
delivery
30000
Estimated lifetime: Tie rod
engine lifetime
Cylinder liner (Group 21xx)
Measure liner wear (in installed condition)
at every piston removal
Remove cylinder liner
as necessary
Replace O-rings
at every liner removal
Replace (soft iron) joint ring between cylinder liner and cylinder cover
at every piston removal
Replace O-rings of Water guide jacket and transition tubes
at every liner removal
Check condition of antipolishing ring
at every piston removal
Grind off wear ridge in bore
at every piston removal
Refinish lubricating grooves
as necessary
Clean scavenge ports and refinish their edges
as necessary
Estimated lifetime: Cylinder liner
90
000 and above (condition
based on wear measurement)
Lubricating quill (pulse lubrication,
group 21xx)
Check function and tightness
at every piston removal
Check function of non-return valves
at every piston removal
Piston rod gland (Group 23xx)
Clean rings, establish wear
at every piston removal
Estimated lifetime: Piston rod gland
36000 (refers to rings)
Cylinder cover (Group 27xx)
Do a check for cracks and dirty seat sealing faces of the injection valve.
Make sure that the seat sealing faces have no damage.
at every piston removal
Estimated lifetime: Cylinder cover
engine lifetime
(remanufacturing as required)
Injection valve (main fuel injector,
group 27xx)
Check externally for tightness
before starting engine after a
longer engine stop
Maintenance Intervals /
Lifetime
Rev. D
Page 1 / 6
Summary of Contents for X82-B
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