MR 700
31
Ed. 3 - 2012_11
English
Frequency(5) Component  Type of in-
tervention
 Intervention 
procedures
Reference
Every
100 hours
Seawater 
pump impel-
ler
Integrity 
control
Replace, if 
necessary
Every
 300 hours
 Transmissi-
on belt (2) 
 ReplacementReplacement   See “Belt replace-
ment”
 Seawater 
pump impel-
ler(1)
 ReplacementReplacement    Apply to an authori-
sed workshop  
 Engine oil 
(1)  
Replacement See “Engine oil 
change”
 Oil lter (2)    Replace the 
cartridge 
 See “Oil lter 
cartridge replace-
ment”  
 Air lter (2)  
 ReplacementReplacement    See “Inlet air lter 
replacement”  
 Fuel lter(1)  
 ReplacementReplacement    See “Fuel lter 
replacement”  
 Fuel circuit 
unions  
 Check tighte-
ning  
 See “Control screw 
tightening and 
union sealing”  
 Electrolytic 
zinc  
 ReplacementReplacement    See “Electrolytic 
zinc replacement”  
Every
 500 hours
Heat ex-
changers 
(engine oil, 
fresh water) 
(4)  
 Cleaning    Apply to an authori-
sed workshop  
 Intercoo-
ler(4)  
 Cleaning    Apply to an authori-
sed workshop  
Every
 600 hours
 Coolant (3)    Replace  See “Coolant 
replacement”  
(1) If the engine has not been in operation for the length of time indicated, it must still be changed 
at least once a year.
(2) If the engine has not been in operation for the length of time indicated, it must still be changed 
at least once every 24 months.
(3) If the engine has not been in operation for the length of time indicated, the uid must still be 
changed at least once every 24 months.
(4) If the engine has not been in operation for the length of time indicated, the heat exchangers 
must still be cleaned at least once every 5 years.
(5) If an hour counter is not available, the frequency of the interventions should be calculated on 
the basis of a calendar day: one calendar day corresponds to 12 hours of operation.