maintenance frequency chart MTU 8v/12v 183 TE 52/62/72/92/93

application grop:
-1A.......vessels with unrestricted continuous operation
-1B.......fast vessels with high load factors
-1DS......fast vessels with low load factors
-3A.......on board power generation,continuous duty
MAINTENANCE FREQUENCY CHART:.....



-MAINTENANCE ECHELON:.........................1A.......1B....1DS...3A
1.W1.....operational checks,daily.....................X........X.......X........X
2.W2.....operating hours/mounths................250/6....250/6 250/6 250/6
3.W3.....operating hours/year...................500/1....500/1...500/1...500/1
4.W4.....operating hours/years.................1000/2...1000/2...1000/2..1000/2
5.W5.....operating hours/years.................3000/6...3000/4...3000/4..3000/6
6.W6.....operating hours/years................12000/18..6000/8...6000/8..24000/18

MAINTENANCE TASK SCEDULE:
-one-time operations after the FIRST 50 operating hours.with a NEW ENGINE
-after W5 maintenance or after W6 major overhaul
1.attachments.................check tightness of securing screws and nuts
2.valve gear..................check valve clearance
3.fuel pre-filter.............clean /replace filter elements
4.fuel duplex filter..........replace filter elements
5.engine coolant pump.........check relief bore for obsstruction
6.coolants pump...............check v-belt condition and tension
7.engine oil..................change
8.engine oil filter...........replace filter elements

MAINTENANCE ECHELON W1:
1.exhaust system..............check exhaust gas colour and drain condensat
2.air filter..................check restrition indicator,replace filter necessary
3.fuel pre-filter.............drains water and contaminants
4.engine coolant..............check level
5.raw water system............check filter for contamition
6.engine oil..................check level
7.monitoring system...........carry out lamp test
8.engine operation............check runing noises,engine and external pipework for leaks,speeds,pressure and temperatures
9.compressed air system.......check operating pressure and drain condensate
10.compressed air-filter......drains condensate
11.air starter lubricator.....check oil supply

MAINTENANCE ECHELON :.............................................W..2..3..4..5
1.intake air line............check emergency air shut-off flaps.........x..x..x..x
2.coolant pump...............check v-belt condition and tension........x..x..x..x
3.engine oil...change.category 1/2/3(250/500/750 operating hours)..x..x..x..x
4.engine filter oil .........drain oil sludge,replace filter-
-elements and sealing rings,check for metallik residues................x..x..x..x
5.compressed-air filter......clean filter or replace element..............x..x..x..x
6.valve gear.................check valve clearance...........................x..x..x
7.exhaust system.............check exhaust pipe and insulation......x..x..x
8.fuel pre-filter............flush..........................................x..x..x
9.fuel duplex filter.........replace filter elements........................x..x..x
10.engine coolant pump.......check relief bore for obstructions.............x..x..x
11.lubrication point.........lubricate......................................x..x..x
12.engine coolant............take sample and analyse-change coolant.........x..x..x
13.engine coolant syatem.....check fluid level monitor function.............x..x..x
14.coupling..................check condition................................x..x..x
15.crank case ventilation....replace oil separator=2000 hours..................x..x
16.cylinder..................check compression pressure........................x..x
17.air filter................check filter for damag(visual inspectio)..........x..x
18.fuel injector.............remove,check,replace sailing rings................x..x
19.fuel pre-filter...........clean,replace filter element......................x..x
20.coolant pumps.............replace v-belt=2000 hours.........................x..x
21.engine coolant system.....check hoses,replace coolant hoses=4 years.........x..x
22.engine mounts.............check rubber mounts,tightness screws and nuts.....x..x
23.gearbox mounting..........check rubber mounts.tightness screws and nuts.....x..x
24.monitoring system.........check funtion of monitoring units.................x..x
25.wiring....................check security and condition......................x..x
26.intercooler...............remove,clean,leak test,replace seals.................x
27.coolant cooler............remove,clean,leak test...............................x
28.valve gear................remove,check rocker arms,tappets,pushrod of..........x
29.cylinder head.....remove,check valve,valve guide,valve seat,valve steam........x
30.runing gear...............check cylinder liner wear pattem.....................x
31.gear train................check(visual inspection).............................x
32.turbocharger....remove,disassemble,clean,check parts,replace bearings..........x
33.air ducting...............remove,clean,replace seals...........................x
34.exhaust pipe work.........clean,crack-test,replace seals.......................x
35.fuel injection pump.......check delivery amount and timing.....................x
36.fuel injector.............replace injection nozzle.............................x
37.engine coolant pump.......disassemble,check parts replace seals................x
38.raw water pump............disassemble,check parts replace seals................x
39.coolant thermostat........replace..............................................x

MAINTENANCE ECHELON W6:
-requires complete engine disassembly for repair/overhaul of all relevant parts,or the instalation of an overhaul d engine.