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Cummins:QSC Series -
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Time for Coolant Change |
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5
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Mon Nov 9 09 6:29 PM |
Nov 8 2009
04:41 PM |
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Tlaw7
QSC 8.3 540 with about 385 hours. New in 2007, so just completed third season. Thinking about changing/replacing coolant next Spring. Should I flush the engine (with what?)? Next, best way to remo..... |
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Cummins:QSC Series -
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Diesel view problem |
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5
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Mon Nov 2 09 2:48 AM |
Jun 22 2009
06:26 PM |
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John
I have twin QSC 8.3L490 engines with Diesel View, v 1.44. with two smart craft screens . Since new, I have gotten an occ. alarm of "multiple std engines" (which doesn´t appear as a possible ..... |
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Cummins:QSC Series -
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After cooler servicing |
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1
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Wed Oct 28 09 3:10 AM |
Oct 28 2009
01:17 AM |
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Jmr733
I am new to diesel boats and trying to learn from this forum. The boat I am purchasing has twin Cummins QSC 540s and the surveyor says that there is salt crustation on the aftercooler flange and they ..... |
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Cummins:QSC Series -
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Delco Alternator QSC 490 |
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4
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Sat Sep 19 09 4:43 PM |
Sep 18 2009
10:19 PM |
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Pilot
Seems to be some difference of opinion regarding the ability of the 22 SI alternator to correctly charge multiple battery banks. I´ve read most of the posts and getting a little more educated.
F..... |
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Cummins:QSC Series -
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Warning on smartcraft panel strbd engine temp sensor fault |
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1
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Sat Sep 19 09 12:27 PM |
Sep 18 2009
09:22 PM |
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Oltmr Ron
new searay 44 sedan bridge. Cummings QSC500´s. warning came on smartcraft display " strbd temp sensor fault. Engine vdo gauge shows normal temp readings. local dealer Atlantic marine hasn´t be ab..... |
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Cummins:QSC Series -
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Fluctuating RPM QSC 8.3 |
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37
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Tue Sep 15 09 6:37 PM |
Jun 4 2007
04:54 PM |
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Rob
Guys,
Over last two weeks my stb motor has been acting alittle odd. First when motors not fully warmed up ( 140 ) and i throttle up the stb motors lags behind a few hundred RPM´s but then cat..... |
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Cummins:QSC Series -
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Smartcraft |
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7
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Fri Aug 28 09 2:26 PM |
Aug 25 2009
08:04 PM |
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Pilot
I pressed a fuel tank completely full using inspection port. Boat on even keel no list. It was full. Made a trip and smartcraft shows 133 gallons consumed. Pressed tank full again. 168 gallons--b..... |
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Cummins:QSC Series -
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Smoking Engine |
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7
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Tue Jul 21 09 6:43 PM |
Jul 1 2009
11:01 PM |
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Handn
At 480 hours my starboard QSC 540 started smoking. I just changed primary and secondary filters (10 micron, 2 micron). Filters were changed at 100, 300 and 480 hours. No sign of water or contaminat..... |
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Cummins:QSC Series -
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Oil Pressure Difference Port and Starboard Engines- what is normal? |
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1
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Thu Jul 16 09 4:54 PM |
May 21 2009
03:34 AM |
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Bob
I have qsc8.3 500 hp engines- now with 90 hours. When I first got this boat new, there was a consistent difference 0f 20 # between both engines- typical port 65, stbd 45. I was told these were withi..... |
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Cummins:QSC Series -
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Qsc 540 Smoking |
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1
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Sun Jul 12 09 10:30 PM |
Jul 12 2009
08:13 PM |
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Rlk
Hello,
I have recently acquired a searay48 with qsc 540s back from a recent trip we noticed the port engine emitting white smoke and losing power when throttle was increased with boat in neutral. th..... |
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Cummins:QSC Series -
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Need help with 540 steam and heavy black smoke |
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15
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Sun Jul 12 09 6:05 PM |
Jul 9 2009
12:23 AM |
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Dave
Running home from fishing and noticed from the port engine black/brown exhaust haze....throttled down and took a look engine was vibrating and had a smell of burning rubber ( motor mounts?)....started..... |
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Cummins:QSC Series -
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Cummins Diesel loses prime |
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2
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Mon Jun 22 09 2:01 PM |
Jun 21 2009
03:40 PM |
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CraigB
I have twin cummins QSC500 with about 200 hours. All of a sudden 1 engine is hard to start. First start RPMs all over the place and stall. If i prime it 2-3 times with ignition switch it starts fine.a..... |
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Cummins:QSC Series -
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Advice as I tear down aftercoolers and Heat Exchangers |
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28
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Mon Jun 15 09 10:47 PM |
May 21 2009
12:05 PM |
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Frank
Hello friends - I am new to the site, and preparing to remove and clean the aftercoolers and heat exchangers on my QSC 8.3/540s. I have purchased the necessary kits from Seaboard Marine (absolutely ..... |
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Cummins:QSC Series -
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Qsc 490 |
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7
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Mon Jun 15 09 1:01 AM |
Jun 4 2009
03:41 PM |
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Pilot
I am receiving 155 High IMT message and audio alarm from Smartcraft Diesel View. Occurs only at start up of warm engine. Underway at normal cruise (and WOT for that matter) engine temp at 170-174, i..... |
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Cummins:QSC Series -
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Repower and budget cost? |
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15
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Tue Jun 9 09 12:48 AM |
Jun 7 2009
02:51 PM |
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Endorfin
I am in the process of trying to arrange my finances for a repower and hope the boat diesel community will share some experience with establishing a ball park budget for my repower. I have a budget i..... |
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