Volvo Penta D7A T Operator's Manual page 40

Maintenance schedule
Every 250 operating hours or every 12 months
Check/clean rawwater filter
Check/change zinc anodes
Every 500 operating hours or every 12 months
Check/adjust drive belts
Every 1000 operating hours or every 12 months
Change fuel filter
Change air filter
Change rawwater pump impeller
Change fuel pre-filter/water separator filter element
Clean turbo compressor
Every 1500 operating hours or every 12 months
Check/adjust valve clearances
Every 2000 operating hours
Pressure test fuel injectors ..................................................................... (refer to note 2)
Every 12 months
Check turbocharger ................................................................................. (refer to note 2)
Check/clean charge air cooler
Check/clean heat exchanger
Clean and paint the genset
Every 24 months
Change coolant
1) Check the manometer and change filter if necessary.
2)
To be carried out at an authorized Volvo Penta workshop.
3) Oil change intervals vary, depending on oil grade and sulphur content of the fuel. Refer to chapter
"Technical Data Lubrication oil specification"
4) Change oil filters every time the oil is changed.
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