Yanmar mase marine I.S. 3.5, Workshop Manual

Page: 29 / 113

IS 3.5 - 4.0
29
GB
4.2 Maintenance
For long life and proper functioning of the generator, the checking and maintenance schedule indicated
in the following table must be respected.
How to execute these operations is described, for the part relating to the engine, in the use and
maintenance handbook or in the workshop manual of the engine manufacturer.
During normal maintenance operations (assembly/disassembly) some general rules must be followed
- respect the tightening torques.
- use suitable grease, oils, and thread-locking fluid.
- do not wash the windings or electrical parts with acid or corrosive
substances.
- spray deoxidiser on the electrical contacts
- respect the cable numbering.
If necessary note down the numbering and the position.
OPERATION ................................................................. HOURS
Engine oil level check ..........................................................10
Check that there are no oil leaks ........................................20
Check that there are no fuel leaks ......................................20
V-belt tension adjustment ..................................................100
Battery charger check ........................................................100
Clean the fuel filter .............................................................200
* Engine oil change .............................................................200
Check the seawater pump rotor ........................................400
Check the engine rpm ........................................................400
Check integrity of the electrical connections. .................400
Fuel filter replacement .......................................................400
* Oil filter replacement........................................................400
Check the injector ..............................................................400
Check the injecting timing .................................................400
Intake/exhaust valve play adjustment ..............................400
Check the fuel injection pump ........................................1.000
Battery electrolyte level check .................................. monthly
Clean and deoxidise the metallic parts ....................... yearly
Air filter cleaning ............................................................ yearly
Zinc anode replacement ............................................... yearly
* Carry out the first operation after 50 hours, subsequently according to the fixed intervals.
Engine life cycle
Hours
Average time elapsing between one fault and the next 500
*First partial overhaul 700
*Total overhaul 2000
*unship the generator
4 ENGINE