TABLE OF CONTENTS
EN / WHISPER 12 Ultra - Three phase for mobile applications / December 2008 / Copyright © 2008 Mastervolt 3
2.5.19 Electrical diagram radiator fan connection....................................................................................... 22
2.5.20 Diagram electronic governor (standard) ..........................................................................................23
3 OPERATION.................................................................................................................................................................. 24
3.1 General ............................................................................................................................................................ 24
3.2 Operating Instructions ...................................................................................................................................... 24
3.2.1 Summarised operating instructions (daily use)................................................................................ 24
3.2.2 Extended operating instructions ...................................................................................................... 24
4 MAINTENANCE............................................................................................................................................................. 26
4.1 Alternator.......................................................................................................................................................... 26
4.2 Engine .............................................................................................................................................................. 26
4.2.1 Preliminary instructions ................................................................................................................... 26
4.2.2 Bleeding fuel lines ........................................................................................................................... 26
4.2.3 Valve clearance............................................................................................................................... 26
4.2.4 Replacing fuel filter .......................................................................................................................... 27
4.2.5 Replacing oil filter ............................................................................................................................ 27
4.2.6 Readjustment V-beltplacing oil filter ................................................................................................ 27
4.2.7 Air filter element .............................................................................................................................. 27
4.2.8 Air strainer element ......................................................................................................................... 27
4.3 Regular maintenance ....................................................................................................................................... 28
4.3.1 Maintenance schedule..................................................................................................................... 29
4.3.2 Putting out of service ....................................................................................................................... 29
5 TROUBLE SHOOTING.................................................................................................................................................. 30
5.1 Alternator/ electrical faults ................................................................................................................................ 30
5.1.1 General............................................................................................................................................ 30
5.1.2 Trouble shooting table alternator ..................................................................................................... 31
5.2 Engine faults..................................................................................................................................................... 32
5.2.1 General............................................................................................................................................ 32
5.2.2 Trouble shooting table engine ......................................................................................................... 33
5.2.3 Warnings ......................................................................................................................................... 35
5.2.4 Service address............................................................................................................................... 35
5.3 Special procedures alternator........................................................................................................................... 36
5.3.1 Automatic voltage regulator............................................................................................................. 36
5.3.2 Residual voltage check / excitation procedure (flashing)................................................................. 36
5.3.3 Testing rotary rectifier diodes .......................................................................................................... 37
5.3.4 Winding resistant values.................................................................................................................. 37
5.3.5 Meggering ....................................................................................................................................... 37
5.4 Special procedures engine ............................................................................................................................... 38
5.4.1 Setting the RPM .............................................................................................................................. 38
5.4.2 Adjusting valve clearance and retightening the cylinder head bolts. ............................................... 38
5.4.3 Disassembling instructions .............................................................................................................. 39
6 SPARE PARTS LIST..................................................................................................................................................... 40
MAINTENANCE LOG ............................................................................................................................................................... 41
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