Overhaul Intervals And Expected Life Times; Time Between Overhaul And Expected Life Time; Engine Storage - WÄRTSILÄ 32 Product Manual

4. Description of the Engine
4.4

Overhaul intervals and expected life times

In this list HFO is based on HFO2 specification stated in the chapter Fuel Oil System.
4.4.1

Time Between Overhaul and Expected Life Time

Table 4-1
Component
Piston
Piston rings
Cylinder liner
Cylinder head
Inlet valve
Exhaust valve
Inj.valve nozzle
Injection pump
Injection pump ele-
ment
Main bearing
Big end bearing
4.5

Engine storage

At delivery the engine is provided with VCI coating and a tarpaulin. For storage longer than 3
months please contact Wärtsilä Finland Oy.
4-8
Time Between Overhaul and Expected Life Time
Time between inspection or overhaul
HFO
12000...20000
12000...20000
12000...20000
12000...20000
12000...20000
2)
12000...20000
2000
12000
-
24000...32000
12000...20000
1) Achieved life times very much depend on the operating conditions, average
loading of the engine, fuel quality used, fuel handling systems, performance of
maintenance etc.
2) Nimonic Exhaust valve lifetime at ULS is 12000h
(h)
LFO
20000...24000 48000...60000
20000...24000 12000...20000
20000...24000 60000...100000
20000...24000 60000...100000
20000...24000 36000...40000
20000...24000 20000...32000
2000
12000
-
24000...32000
20000...24000 24000...32000
NOTE
Wärtsilä 32 Product Guide - a21 - 7 September 2016
Wärtsilä 32 Product Guide
Expected life time (h)
HFO LFO
60000...100000
20000...24000
> 100000
> 100000
40000...48000
20000...40000
4000...6000 4000...6000
-
24000 24000
48000 48000
24000...32000
1)
-