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Cummins:QSB Series |
Starter motor stays engaged with engine running |
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12
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Thu Sep 2 10 5:09 AM |
Aug 30 2010
01:54 AM |
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Gary Herring
Have any of you had a similar problem? I wasn´t even aware of the problem until we smelled "an electrical fire smell" - never a good thing on the water 25 miles out. When I opened the engi..... |
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12 Responses....
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Aug 30 2010
03:54 AM |
#1 |
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Ski in NC
Find the solenoid coil wire on the starter solenoid. Crank engine. Check if volts are present on coil terminal. There should not once start button is released.
If starter continues to run with n..... |
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Aug 30 2010
01:39 PM |
#2 |
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Tony Athens
Gary,
Do you have 100% CMD wiring for all stations? New boat or repower? Any signs of moisture anyplace? Are you Smartcraft Version 1.0, 2.2 or 2.2 DTS?
Tony |
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Aug 30 2010
04:54 PM |
#3 |
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Gary Herring
100% CMD wiring and controls both in the PH and flybridge. Factory original engines and wiring, built in 2007. The flybridge rocker switch was wet on the exterior and had condensation moisture on th..... |
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Aug 30 2010
09:22 PM |
#4 |
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Gary Herring
thanks Ski. I found a replacement starter this am, so will go down and install it tomorrow or the next day. Then I will take the Fluke meter to it until I can identify the problem. I keep thinking ..... |
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Aug 31 2010
03:31 AM |
#5 |
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Skag
Gary - Remove the cover on the back of the integral starter solenoid, remove the contacts and look at the surfaces. The Dodge/Cummins trucks would often have problems with their starters sticking on ..... |
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Aug 31 2010
07:18 PM |
#6 |
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Gary Herring
First off thank you for the reply. After reading this post and one similar on the meridian forum I was sure I would find my contacts fused. But unfortunately they weren´t, so the hunt for the culpri..... |
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Aug 31 2010
07:58 PM |
#7 |
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John Viveiros
Gary-
I´m not sure if this will help you but I had a similar problem with a Perkins starter a while back. Once you engaged the starter, it would stay engaged to the flywheel and still attemptin to..... |
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Aug 31 2010
09:07 PM |
#8 |
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Gary Herring
The ring that was broken on yours is the one I am touching with the phillips head screw driver I take it (which is the on the old starter). Thanks John, I had my hopes up all the way to the garage th..... |
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Aug 31 2010
10:30 PM |
#9 |
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John Viveiros
yours seems like a different design than mine. I can´t tell if the ring your touching does the same thing as mine did. As best as I could tell with mine, the way the solenoid/bendix assembly worked ..... |
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Sep 1 2010
11:44 AM |
#10 |
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Randy Warden
Gary How are your batteries? I´ve had 4 or 5 starters stick on in different machines due to weak batteries. I don´t know exactly why, maybe since the voltage is lower the increased amps cause the cont..... |
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Sep 1 2010
12:51 PM |
#11 |
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Tony Athens
Randy,
You might bend back the little tabs on the mag switch and take it apart--They are kinda cheesey at best.................Also, when you want moisture protection, dip/stray, etc., all your el..... |
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Yesterday
05:09 AM |
#12 |
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Gary Herring
Thanks Randy - you may have given me an answer. We had trolled quite a while that day on one engine and the house and stbd batteries were drained more than usual. The boat has an isolator, but I am ..... |
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Cummins:QSB Series |
Alternate DC ground path for QSB ECM |
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4
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Wed Sep 1 10 2:45 PM |
Aug 30 2010
08:52 PM |
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Jim Bohn
I thought I would share a recent experience that might help someone else someday.
While underway recently, the Cummins instruments indicated that the STB engine had a voltage of 11.5 V. It would a..... |
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4 Responses....
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Aug 31 2010
11:25 AM |
#1 |
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Tony Athens
Jim,
Excellent troubleshooting.........Just so you know, (which I am sure you do), I doubt you´d ever find a Cummins Distributor tech that would be able to do this.. Want a job?
Look at the atta..... |
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Aug 31 2010
06:48 PM |
#2 |
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Jim Bohn
Thanks Tony.
Yes, you did point out the mashed wire problem to me (two years ago).... I am not affected.
It is always easier to trouble shoot your own boat. I can´t imagine I would be very eff..... |
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Sep 1 2010
11:52 AM |
#3 |
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Tony Athens
Jim,
Read thru the attached a couple of times.. Ignore my notes..This is current as they describe their system.....Notice EVERY Alternator OPTION the factory offers but one (24v) is case gounded...... |
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Sep 1 2010
02:45 PM |
#4 |
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Jim Bohn
Tony,
To answer the second question first... I have a 22SI alternator with remote voltage sensing. No, my engines did not come with a DC negative connection between the alternator and the starter...... |
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Cummins:QSB Series |
Cummins QSD 150 |
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1
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Tue Aug 24 10 1:39 PM |
Aug 24 2010
12:19 PM |
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Fred
Help ! New Boat with Cummins QSD 4 Cylinder Turbo diesel 2008 New
Have replaced 4 Elbows on the turbo due to cracking, Boot destroyed and replaced
NEW ISSUE:
White smoke out exhaust, Black Soot o..... |
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Cummins:QSB Series |
Alternators 4788 |
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5
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Tue Aug 10 10 3:52 PM |
Aug 2 2010
04:06 PM |
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Johnny788296
I have 1998 4788 bayliner 30 engines having proplems with stock delco alts stb just bunt wire off back it charges stb start batt and 8 6 volts with isolator thinking off putting hi output alt on with ..... |
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Cummins:QSB Series |
What Damper Drive Plates Should I Use |
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1
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Fri Jul 23 10 12:44 PM |
Jul 23 2010
10:49 AM |
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Kiwi
Hi guys yep me again our problems keep coming ,we have had our transmission clutches done only to find both drive plates are cracked our dampers are good but i can not buy just the driveplates now the..... |
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Cummins:QSB Series |
Changing out spin on fuel filters on my QSB 5.9 |
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1
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Sat Jul 10 10 11:25 PM |
Jul 10 2010
10:59 PM |
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Bags
This is soooo different from my old "pre-fill a spin on fuel filter with clean fuel days"
My book says to install the filter empty, and "cycle" the fuel pump at least
5 times bef..... |
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Cummins:QSB Series |
QSB fuel pump... |
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13
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Sat Jul 10 10 3:33 AM |
May 15 2010
11:10 PM |
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Hill
Codes: 2265 Prime Pump High Error - 559 Low Fuel pressure
Put the boat in the water after a winter on land. No problems thid last summer and then took her out for a spin after a winter ..... |
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Cummins:QSB Series |
Check Engine Alarm on Smartcraft Tach?? |
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3
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Tue Jun 29 10 7:47 PM |
Jun 12 2010
07:46 PM |
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Gary Herring
The problem started about 3 hours into a cruise, I had been running at 1300 rpm and had gone on step and was running at 2500 rpm for about 5 minutes (in sync) when the STBD engine dialed itself back t..... |
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Cummins:QSB Series |
Salt water pump inlet pipe flange leaking |
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8
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Tue Jun 29 10 1:55 PM |
Jun 25 2010
08:45 PM |
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Howard
I have taken the inlet bronze pipe to the salt water pump off about 6 times and even replaced the o´ring but still has a small leak. As a last resort I put teflon pipe compound on the joint but still..... |
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Cummins:QSB Series |
Can Cummins QSB 5.9 420 HP Diesels Be Converted to 480 HP? |
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4
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Tue Jun 22 10 6:26 PM |
Mar 21 2010
04:44 PM |
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Jim Senker
I just bought a 2007 dealer left over 33´ Albemarle Express with Cummins QSB 5.9 420 HP diesels. My only problem with the boat is the cruising speed. Does anyone know if these engines can be convert..... |
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Cummins:QSB Series |
Fuel Related Question On Bulk Fuel.. |
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2
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Mon Jun 21 10 7:54 PM |
Jun 21 2010
02:13 AM |
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Mymyst
I have been purchasing bulk fuel from a local delivery service reported as "off-road". I just happen to notice the other day in my QSB owners manual an edict of "warning- use ULSD diese..... |
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Cummins:QSB Series |
Raw water leak |
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9
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Mon Jun 21 10 2:08 PM |
Jan 12 2010
02:55 PM |
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Aerobaticflyer
I have a slight raw water leak on one of my Cummins QSB 380 engine in my 390 Sea Ray. It´s on a hose (radiator size, maybe 2 inch diameter)that seems to lead from the turbo unit to the engine manifol..... |
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Cummins:QSB Series |
Tony: Can you comment further on this-We are now looking at a pair of Cummins QSB 4.5L common rail i |
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3
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Mon Jun 21 10 12:15 AM |
Jun 20 2010
03:46 PM |
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David Marchand
Tony:
In your recent posting about your brothers boat, you said- "We are now looking at a pair of Cummins QSB 4.5L common rail industrial engines that I will marinize for his special use"..... |
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Cummins:QSB Series |
Heat Xchanger Corrosion |
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9
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Sun Jun 20 10 2:56 AM |
Jun 17 2010
09:00 PM |
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Hill
Pulled out my heat xchangers to clean for the 2nd time (1900hrs) and have corrosion/pitting on upper ring. My zincs were still there. I have been told that putting to much grease caused an insulat..... |
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Cummins:QSB Series |
J-39 |
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2
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Mon Jun 14 10 3:54 AM |
Jun 13 2010
03:49 AM |
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Gly
My engine will not start. It turns over well. I can not hear the fuel pump running and the display shows no J-39 data.
What is J-39 data? |
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