Volvo Penta D7A T Operator's Manual page 66

Inhibiting
Return the engine to service
1. Remove any protective covers on the engine, air
intake and exhaust pipe.
2. Top up with lubricant of the correct grade in the
engine if necessary.
3. Fit new fuel filters and bleed the fuel system.
4. Check drive belts.
5. Check the condition of rubber hoses and check
the tightness of all hose clips.
6. Close the drain cocks and fit the drain plugs of the
rawwater system. Fit the impeller in the rawwater
pump. Fill and bleed the rawwater system.
Conserving the lubricating and fuel systems for stops longer than eight months:
1. Drain the oil from the engine and fill with conservation oil* to just over the MIN mark on the dipstick.
2. Connect supply and return fuel lines to a fuel can filled with 1/3 conservation oil* and 2/3 diesel fuel.
3. Bleed the fuel system.
4. Start the engine and run it at idling speed until approximately two liters of the fuel/conservation oil
mixture have been consumed. Stop the engine and re-connect the fuel lines.
5. Drain the conservation oil from the engine.
6. Follow the directions on the previous page in other respects.
* Conservation oils are available from oil companies.
66
7. Check the coolant level and anti-freeze. Top up if
necessary.
8. Check under and around the engine for such items
as loose or missing bolts, oil, fuel or coolant leaks
and repair if needed.
9. Connect fully charged batteries.
10. Start the genset and run it at idling speed until it
reaches operating temperature before loading it.
11. Check for oil, fuel or coolant leaks.
12. When the engine has run long enough to warm up
apply the load and bring it to operating speed.