Every 250 hours or 3 months:
- Check that the air circulates freely.  
- Check the temperature of the ball bearings. They should not exceed the ambient temperature by more than 40° C.
Every 1000 hours or 12 months:
- check coil insulation and  tighten electrical connections.
- vacuum-clean and dust the interior of the machine.
- lubricate the bearings ( cf descriptive plaque).

Every 15 days:
- operate thegenerator on charge for 15 minutes and check the safety warning lights.
Every 250 hours or 3 months :
- check the tightness of connections.
Every 1000 hours or 12 months :
- vacuum-clean and dust the inside and outside
- oil the hinges and the fastenings.

Every 8 days:
- check the pre-heating (generator with automatic starting).
Every 250 hours or 3 months:
- inspect the starting batteries (electrolyte levels, condition of charge, terminal connections).
- inspect the silencer (seal, mounting, valve).
- visually check the fuel tank for leaks.