TABLE OF CONTENTS
US / WHISPER 15 ULTRA - Three Phase / December 2008 / Copyright © 2008 Mastervolt 3
2.5.18 AC wiring diagram 120 / 208 V AC / 60 Hz three phase with AVR (star configuration) ................... 19
2.5.19 AC wiring diagram Split-Phase 120 – 240Volt / 60Hz with AVR (DOUBLE DELTA) ....................... 20
2.5.20 Diagram electronic governor ........................................................................................................... 21
3 OPERATION.................................................................................................................................................................. 22
3.1 General ............................................................................................................................................................ 22
3.2 Operating Instructions ...................................................................................................................................... 22
3.2.1 Summarised operating instructions (daily use)................................................................................ 22
3.2.2 Extended operating instructions ...................................................................................................... 22
4 MAINTENANCE............................................................................................................................................................. 25
4.1 Alternator.......................................................................................................................................................... 25
4.2 Engine .............................................................................................................................................................. 25
4.2.1 Preliminary instructions ................................................................................................................... 25
4.2.2 Bleeding fuel lines ........................................................................................................................... 25
4.2.3 Valve clearance............................................................................................................................... 25
4.2.4 Replacing fuel filter .......................................................................................................................... 25
4.2.5 Replacing oil filter ............................................................................................................................ 25
4.2.6 Readjustment V-beltplacing oil filter ................................................................................................ 26
4.3 Regular maintenance ....................................................................................................................................... 26
4.3.1 Maintenance schedule..................................................................................................................... 27
4.3.2 Putting out of service ....................................................................................................................... 28
5 TROUBLE SHOOTING.................................................................................................................................................. 29
5.1 Alternator/ electrical faults ................................................................................................................................ 29
5.1.1 General............................................................................................................................................ 29
5.1.2 Trouble shooting table ..................................................................................................................... 29
5.2 Engine faults..................................................................................................................................................... 31
5.2.1 General............................................................................................................................................ 31
5.2.2 Trouble shooting table ..................................................................................................................... 31
5.2.3 Warnings ......................................................................................................................................... 34
5.2.4 Service address............................................................................................................................... 34
5.3 Special procedures alternator........................................................................................................................... 34
5.3.1 Automatic voltage regulator............................................................................................................. 34
5.3.2 Residual voltage check / excitation procedure (flashing)................................................................. 35
5.3.3 Testing rotary rectifier diodes .......................................................................................................... 35
5.3.4 Winding resistant values.................................................................................................................. 35
5.3.5 Meggering ....................................................................................................................................... 35
5.4 Special procedures engine ............................................................................................................................... 36
5.4.1 Setting the RPM .............................................................................................................................. 36
5.4.2 Adjusting valve clearance and retightening the cylinder head bolts. ............................................... 36
5.4.3 Measuring exhaust backpressure.................................................................................................... 36
5.4.4 Disassembling instructions .............................................................................................................. 37
6 SPARE PARTS LIST..................................................................................................................................................... 39
MAINTENANCE LOG ............................................................................................................................................................... 41
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