WÄRTSILÄ VASA 6L32, Instruction Manual

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Fuel
Overhaul interval
Average load > 75 % Average load < 75 %
HFO 2 12 000 16 000
HFO 1 16 000 20 000
DO 20 000 24 000
04.12 Interval: see table above
Connecting rods
Replace big end bearings
11.3.4
Replace big end bearings. Measure the big end bore, use form
3211V017. 06.2
Connecting rods Replace connecting rod screws
Replace connecting rod screws by new ones at every second
overhaul when doing piston overhauls at 12 - 16 000 h intervals and
at every overhaul when doing piston overhauls at longer intervals
than 16 000 h.
11.3
Connecting rods
Replace connecting rod shims
Replace connecting rod shims by new ones at every second
overhaul when doing piston overhauls at 12 - 16 000 h intervals and
at every overhaul when doing piston overhauls at longer intervals
than 16 000 h.
11.3
Connecting rods
Inspect the small end bearings
11.3.4
Inspect the small end bearings. Replace if necessary. 06.2
Cylinder heads
Overhaul of cylinder head
12.2.2
Dismantle and clean the underside, inlet and exhaust valves and
ports. Inspect cooling spaces and clean, if necessary. Grind the
valves . Inspect the valve rotators. Check rocker arms.
Replace the O-rings in the valve guides.
Replace the O-rings at bottom of cylinder head screws at
every
overhaul.
12.2
12.3
Cylinder liners
Inspect the cylinder liners
10.5.1
Measure the bore using form No. 3210V018, replace liner if wear
limits are exceeded.
Hone the liners. Renew the anti-polishing ring.
Continue
06.2
Lubricating oil Change lubricating oil 18.2
Change oil in connection with every pistom overhaul or every fourth
year whatever comes first, independently of oil analysis results. Clean
all oil spaces with a high quality fibre-free/lint-free cloth when
changing lubricating oil.
02.2
Pistons
Inspect the pistons
11.3.4
Composite pistons must be dismantled for inspection of mating
surfaces between piston skirt and piston crown. Inspect and clean
oil spaces.
Piston, piston rings
Inspect pistons and piston rings
11.3.4
Pull, inspect and clean. Check the height of the ring grooves (the
height clearance of the rings), use form No. 3211V022.
Check the retainer rings of the gudgeon pins. Replace complete
set of piston rings. Note the running-in programme. 11.3
06.2
03.8
Starting valves Check starting valves 21.4
Check starting valves in cylinder head. Replace parts if necessary.
04 Maintenance Schedule 32-200623-01
04 - 10 WÄRTSILÄ 32