INTRODUCTION 1 INTRODUCTION GENERAL The Whisper 6/8/12 Marine Diesel Generating set is ma- During production and prior to delivery, all of our genera- nufactured and marketed by Mastervolt. ting sets are tested and inspected. It is important to read this manual before installing and operating the generating set.
Labour necessary to complete repairs on by additional measures. Mastervolt does not accept liabi- board a vessel executed by an authorised service lity for damage due to use of the generator, possible errors engineer is covered, but is limited to a reasonable in the manuals and the results thereof.
Be aware of hot parts and specially parts of the Particles of this material should not be inhaled as exhaust system. this may result in fatal diseases. • If the generating set is unsafe, fit danger notices U.S.A.EDITION / WHISPER 6/8/12 / April 2004...
THE WHISPER 6/8/12 2.3.1 Features This generating set includes a diesel engine which is connected by close coupling to an alternator in a sound attenuated capsule. The set is mounted on a steel base April 2004 / WHISPER 6/8/12 / U.S.A.EDITION...
2.5.2 Engine The Whisper 6/8 generating set is based on the Mitsubishi L2E 2 cylinder diesel engine. The Whisper 12 on the L3E 3 cylinder. The engine is indirectly injected.
Excluding the oil filter the content of the crankcase of All wiring connections from the remote control to the the Whisper 6/8 is 2,5 U.S. qts (2.4 l); Whisper 12: board are made by plug in connectors. 3,7 U.S. qts (3,6 l). Including the oil filter it is 3 U.S.
The engine is cooled by cooling liquid. The capacity of could be used with an additive of anti freeze. When using this system of the Whisper 6-8 is 2,1 U.S. qts (2 litres) water with anti freeze the right mixture has to be cal- and of the Whisper 12 3,7 U.S.
1 mm2 DCC > generator AC output blue 1 mm2 DCC > generator AC output brown 1 mm2 DCC > generator AC output blue 1 mm2 DDC=Digital Diesel Control Unit LCP=Local Control Panel U.S.A.EDITION / WHISPER 6/8/12 / April 2004...
INFORMATION 2.5.15 Lay out control PCB PUMP REGULATOR START/STOP RED (PULL) BLUE (COM.) WHITE (HOLD) Fig. 6: Lay out control PCB April 2004 / WHISPER 6/8/12 / U.S.A.EDITION...
(22) (22) DCC/ct-2 DCC/ct-2 EARTH AND NEUTRAL CONNECTED CURRENT 120V 60Hz TRANSFORMER BROWN BLACK (11) (11) DCC/ct-1 YELLOW/GREEN BLUE DCC/AC-1 CURRENT TRANSFORMER YELLOW/GREEN BLACK (22) (22) DCC/ct-2 Fig. 7: Lay out control PCB. U.S.A.EDITION / WHISPER 6/8/12 / April 2004...
MASTERSWITCH is installed, this is operating auto- 5 Regularly check the siphon vent in the cooling water matically. supply. 6 If no MASTERSWITCH is used: Switch main Power Source Selector switch to "OFF" or switch off all devices. U.S.A.EDITION / WHISPER 6/8/12 / April 2004...
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In fact water in the cylinders is the main cause devices! for engine damage in pleasure craft. Nevertheless, the Whisper 6/8/12 is designed so as not to overheat, even under extreme conditions. Checks once the generator is in operation: Never remove the battery while the engine 1 Check for abnormal noise or vibration.
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4 Switch to an other AC power source, if available. If a Masterswitch is installed, this is done automatically. If the engine is not running and failure and charging LED is blinking, reset by stop but- ton, otherwise it will drain the start battery. U.S.A.EDITION / WHISPER 6/8/12 / April 2004...
Push “start” and monitor the display. Extend fuel pumping time by pushing “stop” when the display indicates “preheat” and push “start“ again. Fig. 12. April 2004 / WHISPER 6/8/12 / U.S.A.EDITION...
Replace the oil filter. • Water inlet filter. • Replace the fuel filter Replacement depends or the condition of the fuel. We recommend replacement every 300 hours. Isolate the fuel supply and change the element. U.S.A.EDITION / WHISPER 6/8/12 / April 2004...
8 Protect the generating set against the influences of bad weather conditions. This way of preservation will be sufficient for 6 months. Repeat step 2, 3, and 4, every 6 months. Change oil before using the engine again. April 2004 / WHISPER 6/8/12 / U.S.A.EDITION...
Check capacitors specification and replace if capacitors. necessary. • Presence of a strong capacative load Compensate for this capacity and seek for experts (leading power factor). advice.(MASTERVOLT customers service). • Defective voltageregulator Replace voltage regulator U.S.A.EDITION / WHISPER 6/8/12 / April 2004...
Find out how the water did enter the cylinders (check the air vent). Take precautions to prevent it from happening again. When there is no mechanical malfunction the problem must be an electric malfunction. April 2004 / WHISPER 6/8/12 / U.S.A.EDITION...
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• Lack of fuel. Check fuel supply system: fuel pump and filter. • Lack of intake air. Check air intake. • Choked exhaust system, exhaust blocked, Check the exhaust system. rubber exhaust hose kinked. U.S.A.EDITION / WHISPER 6/8/12 / April 2004...
5.2.4 Service address If you cannot correct a problem with the aid of the mal- Fig. 16. function table, contact your Mastervolt Service Centre or Mastervolt Amsterdam for an extended service list, tel: INT +31-20-3422100, www.mastervolt.com. If the starter battery is used for flashing one must take care.
One can try to measure resistance between the housing and bolts to the specified torque in the numerical order the windings by a multimeter which should read infinitely. illustrated (ref. to fig. 19). When readings indicate infinitely but a fault is suspected April 2004 / WHISPER 6/8/12 / U.S.A.EDITION...
3 fig. 20b against the notch. 2 The easiest way to get the generator out of its cap- sule is by lifting the set with aid of the lifting eye and take away the capsule downwards. U.S.A.EDITION / WHISPER 6/8/12 / April 2004...
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The end of the shaft is specially threaded to push off the rotor from the conic stub shaft, which is on the flywheel, using a 0,25 inch (6-mm) rod of 6,5 inches (165-mm) (6/8) /7,3 inches (185-mm) (12) length and a M10 bolt. April 2004 / WHISPER 6/8/12 / U.S.A.EDITION...
MAINTENANCE LOG first service after 50 hours: hour counter: remarks: next service (every 150 hours) hour counter: remarks: U.S.A.EDITION / WHISPER 6/8/12 / April 2004...
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