MAINTENANCE
EN / WHISPER 12 Ultra - Three phase for mobile applications / December 2008 / Copyright © 2008 Mastervolt 29
4.3.1 Maintenance schedule
Check oil level daily
Check the level of the cooling liquid daily
Change oil and oil filter after first 50 hours
Check and tighten nuts, bolts, etc. after first 50 hours
Check exhaust after first 50 hours
Check and readjust V-belt after first 50 hours
Check electrical connections after first 50 hours
Change oil 150 hours
Check battery 150 hours
Check and readjust V-belt
150 hours
Replace oil filter 300 hours
Replace fuel filter 300 hours
Check the air strainer element 500 hours
Check the air filter element 500 hours
Replace the V-belt 1000 hours
Retighten cylinderhead bolts and readjust
valve clearance
1000 hours
Check and clean radiators
1000 hours
Check lubricating oil pressure 2000 hours
Check injector and injection pressure 2000 hours
Replace or clean the air filter element 2000 hours
4.3.2 Putting out of service
When not using the generating set for a longer period it is
recommended to execute an engine preservation
procedure.
1 Clean the engine.
2 Loosen the fuel suction pipe and fuel return and put
them in a can with preservation diesel fuel. Start the
engine and run the engine warm.
3 Drain the hot engine oil and refill with preservation oil.
4 Stop the engine.
5 The coolant can stay in the engine
6 Disconnect the battery and store it in a place free of
frost and dry and charge it regularly.
7 Close inlet- and outlet openings with tape.
8 Protect the generating set against the influences of
bad weather conditions.
This method of preservation will be sufficient for 6 months.
Repeat steps 2, 3, and 4, every 6 months. Change oil
before using the engine again.
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