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Cummins:B Series
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Submerged 4bt 3.9 need advice |
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5
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Fri Sep 3 10 3:26 AM |
Sep 1 2010
09:35 PM |
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Damitman
Well the horrible happened this weekend. We had a weekend of bad weather here in
Louisiana and I swamped my boat at the dock. I plan on raising it this weekend once I get my head together.
My c..... |
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5 Responses....
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Sep 1 2010
10:58 PM |
#1 |
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Ski in NC
Motor is definitely saveable. You need a fresh battery, a functioning starter, test leads with alligator clips, a jug of fuel, squeeze bulb line, and tools to pull injectors. Don´t worry about alter..... |
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Yesterday
01:58 AM |
#2 |
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Damitman
Thanks, Eric this is good info. What special tools are needed to pull the injectors? Were should I get them at a reasonable price . My boat is 45 min. from
the basic parts places so I want to make s..... |
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Yesterday
02:45 AM |
#3 |
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Ski in NC
To pull injectors you need a 17mm open end for fuel lines, 10mm open or combo for return lines, and I think a 22mm deepwell socket for the injector hold down nut (anyone confirm, I´m away from my shop..... |
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Today
02:51 AM |
#4 |
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Damitman
Guys having trouble finding the part # for the 4 bt starter. I have a starter from a 5.9 in the back of my shed looks close will it work? If not were can I find the part # for this starter. |
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Today
03:26 AM |
#5 |
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Ski in NC
I´m guessing, but the 6b starter should fit. Should be the same flywheel and housing.
Edit: If the 6b starter is from a dodge truck, that is probably different. |
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Cummins:B Series
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Leaking oil |
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2
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Thu Sep 2 10 9:13 PM |
Aug 24 2010
04:59 PM |
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Timjet
I have a ´97 330 6BTA M-3 Diamond series serial #: 45504241 on a boat I just bought and noticed a oil leak somewhere near the aft underneath portion of the engine. The leak is not noticeable at low rp..... |
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2 Responses....
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Yesterday
04:43 PM |
#1 |
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Brad K.
First I would 100% your your oil level...
I suggest reading the article from this web site: http://boatdiesel.com/Articles/Articles.cfm?P=20080810_Introduction.cfm&Y=2008
Many times problems ..... |
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Yesterday
09:13 PM |
#2 |
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Maka Koa
Ditto,
Overfilling those engines can cause it to puke out of the breather tube.
Read the article twice! |
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Cummins:B Series
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Fuel consumption |
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1
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Thu Sep 2 10 9:11 PM |
Yesterday
07:42 PM |
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Cc2800
I have a pair of 6B330´s. What is the best way to keep track of fuel consumption. Are there electronic gauges for these engines or are flo scans the answer? |
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1 Response....
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Yesterday
09:11 PM |
#1 |
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Maka Koa
You can install FLOSCANS. I have found that for my boat (Luhrs 32´) the published fuel burn numbers seem pretty accurate. |
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Cummins:QSC Series
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Black Smoke At Initial Throttle Up |
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1
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Thu Sep 2 10 9:09 PM |
Yesterday
06:45 PM |
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Riley
Have QSC540´s that exhaust black smoke at initial throttle up to cruise. After a few seconds, it goes away. Not a wisp of smoke any other times. Is this a problem? |
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1 Response....
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Yesterday
09:09 PM |
#1 |
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Maka Koa
Did this just atart?
One idea would be that engine is overpropped. Black smoke indicates partially burned fuel & could be due to an overloaded engine. Once RPM´s come up, fuel begings to burn more ..... |
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Cummins:C Series
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Permanent Grid Heater Disconnection |
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9
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Thu Sep 2 10 4:26 PM |
Aug 25 2010
07:30 PM |
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Tj
Hi all,
I recently replaced my alternator on my Diamond 450 cpl 2172 m-3 port engine & while testing the voltage noticed that the volts were jumping back & fourth between 12 & 14 volts every 10 seco..... |
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Aug 27 2010
04:25 PM |
#4 |
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Tj
Thanks Jim, Got IT! |
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Aug 29 2010
11:08 PM |
#5 |
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Baby Jo
Does it quit doing it after the engines warm up? On my 480CE´s, that is the case..I did have an issue where the port engine was dropping all the way to 10 volts and not stopping..eventually, the alter..... |
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Aug 30 2010
05:05 PM |
#6 |
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Tj
The drops & spikes stop after the engine warms up. I have pulled the fuses on both heaters & ran it all weekend long. No real smoking or anything unusual. I think it was affecting some of my gages on ..... |
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Aug 30 2010
06:00 PM |
#7 |
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Bruce M
Where did you find the fuses?? |
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Aug 30 2010
06:28 PM |
#8 |
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Rod
Hi Tony
I have a 480CE s/n 46278074.
I would love to be able to turn my air heaters on/off from my pilothouse.
But I cannot see the 5A fuse you detailed (perhaps for another engine).
Also my wirin..... |
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Yesterday
04:26 PM |
#9 |
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Rod
I located a four pin plug behind the aftercooler, that plug appears to provide one positive feed and one ground feed for each air heater relay. My wiring dirgram suggests that those grounding wires gr..... |
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Cummins:B Series
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Aftercooler Maintenece |
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6
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Thu Sep 2 10 4:11 PM |
Aug 27 2010
12:10 PM |
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Capt Mike
I recently pulled maintenence on my aftercooler on my 370b. My problems is now it´s leaking water into my cylinders. I´m working thru that issue and will have the engine water free and running today ..... |
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6 Responses....
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Aug 27 2010
01:35 PM |
#1 |
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Tony Athens
I´d suggest that you read all the articles on this web site about aftercoolers........Start here:
http://boatdiesel.com/Articles/Articles.cfm?P=20051014_Aftercooler.cfm&Y=2005
The type o..... |
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Aug 27 2010
02:39 PM |
#2 |
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Bruce M
especially focus on tonys comments about incorrect size O rings |
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Aug 27 2010
07:31 PM |
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Capt Mike
I read the article before I did the maintenance. I just read it again and I´m not sure what you are referring to. I followed Tony´s instructions but I have a leak somewhere... |
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Aug 28 2010
01:54 PM |
#4 |
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Maka Koa
Tony serviced mine (because I attempted it) mine had a leak around the O ring from a previous improper service. The corrosion locked the core in there to the point where I had to "beat" the ..... |
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Aug 29 2010
04:53 AM |
#5 |
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Clark Leighs
Tony Athens posted thes photos some time back that showed the difference between the end caps of the aftercoolers.
The ´O´ rings required, depending on which cap you have, may be two different size..... |
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Yesterday
04:11 PM |
#6 |
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Brad K.
this should help ...... Brad |
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Cummins:QSB Series
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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:B Series
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Redundant temp alarms |
VIEW/REPLY |
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5
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Thu Sep 2 10 4:05 AM |
Aug 31 2010
10:13 PM |
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Al
I´ve read tons of info on this site about redundant temp alarms on my 6BTA-5.9M2 and would prefer not to go into a 6 hour intensive search on every thread since 1997. Currently, I have my standard Hi..... |
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5 Responses....
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Sep 1 2010
01:10 AM |
#1 |
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Tony Athens
Al,
Your Borel alarm is a good way to check for seawater flow but does nothing for you if you lose a belt, an idler bearing, coolant hose, or your coolant............Add two more coolant switches ..... |
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Sep 1 2010
07:12 PM |
#2 |
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Al
Tony,
Thanks and really appreciate your reply, and you´re right, the install in parallel can´t get much easier than that. Any suggestions on the two new locations to insert and can Brad send me the..... |
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Sep 1 2010
09:42 PM |
#3 |
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Frank Gee
Take a look at Tony´s response #12 here:
http://boatdiesel.com/Forums/index.cfm?CFApp=0&Thread_ID=34291
Really neat set-up! |
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Yesterday
04:01 AM |
#4 |
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Tony D
The idiot light takes care of the idler and belt issue.
The temp switch will catch a slow leak that causes the system´s capacity to drop below the amount needed to dump the heat to the raw water,..... |
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Yesterday
04:05 AM |
#5 |
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Tony D
BWT
I have the Aqualarm water flow sensor that is the "in-line" type - NOT the flapper switch that goes into a T. It is totally sealed and works like a charm in parallel with the band t..... |
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Cummins:B Series
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6BT-210 Cummins CAV Pump Timing Mark |
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1
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Thu Sep 2 10 2:27 AM |
Yesterday
02:17 AM |
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Capt. Joe B.
Can anyone tell me the correct setting for the CAV DPA pump timing?
Opened the inspection cover and the mark is near "6B"...
Diagram in troubleshooting book shows mark to be "G"...... |
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1 Response....
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Yesterday
02:27 AM |
#1 |
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Injection55
Give me the dpa number and i´ll see if i can find it for you u3062-??? |
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Cummins:QSM Series
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Oil Pressure |
VIEW/REPLY |
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12
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Wed Sep 1 10 9:54 PM |
Aug 29 2010
07:54 PM |
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Phil
Have a weird oil pressure problem.
My oil pressure drops to 27 lbs or below after about 100 hours on an oil change.
Tried 3 oils all the same, Mobile Delvax-m,Cummins,Valvoline. Have both a mechanic..... |
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12 Responses....
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Aug 29 2010
09:37 PM |
#1 |
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Tomas Kempe
Since I started with a problem engine with oil pressure issue I am kind prepared for some surprises should they pop up again but it is news to you? I use 7 gallons of oil and top off oil filter with o..... |
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Aug 30 2010
12:03 AM |
#2 |
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Phil
No problem at low RPM never has approached 10 sits around 20. failure occurs after engine has heated up 190-200 degrees. I too suspect relief valve. If I have to pull engine I will either rebuild it o..... |
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Aug 30 2010
12:23 AM |
#3 |
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Tomas Kempe
Interesting. You seem to be fine at 20 psi that I also have. You refer to oil temp at 200F? I stay there also.
No big deal to change pressure relief valve as long as you can get underneath engine.
4..... |
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Aug 30 2010
08:44 PM |
#4 |
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Phil
Can not get under it. Have to pull engine. I´ll check for foaming. 40 W is ok for summer We lobster all year . will not work during fall. Nov thru april i have block heater plugged in so 40 will work ..... |
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Aug 30 2010
08:51 PM |
#5 |
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Bruce M
A question is what can get reset on restart??? Does the mechanical gauge show the decrease?? |
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Aug 30 2010
09:04 PM |
#6 |
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Tomas Kempe
Bruce, no reset. More likely that the foam settle, if that is what it is and at idle not much foam, with some excess oil it has been reported before that it can lower pressure - the full story is not ..... |
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Aug 31 2010
12:00 AM |
#7 |
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Phil
When i shut down engine and restart the oil pressure return to normal 40 lbs. Yes I have both a mechanical and 2 electric pressure gauges they all show the same. |
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Aug 31 2010
01:19 AM |
#8 |
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Randy Warden
This might not apply but we had an 270 HP 855 CI cummins a 1973 dump. The engine ran fine but, the oil pressure dropped and we took it to cummins for a rebuild. The old time mechanic came out to see t..... |
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Aug 31 2010
04:19 PM |
#9 |
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Kevin Mccloskey
I had the exact same problem with my last QSM 11. After an oil change, oil pressure was at its normal 40 psi,..stayed like this for between 100 and 120 hrs then gradually dropped to 27-28 psi and the ..... |
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Aug 31 2010
06:07 PM |
#10 |
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Tomas Kempe
Kevin: You are saving us a bundle having done this trouble shooting. Thanks a lot. From the bits and pieces remaining - changing the oil pressure sender would be what I try. It could fit in with what ..... |
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Aug 31 2010
11:23 PM |
#11 |
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[DELETED BY AUTHOR]
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Sep 1 2010
09:54 PM |
#12 |
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Kevin Mccloskey
Sorry phil i could not respond two your email ;ens 35045097 fitted in a new build in iceland 2002 fast worker |
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Cummins:B Series
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Servicing 370B´s on 2001 Luhrs 34 Convertable |
VIEW/REPLY |
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4
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Wed Sep 1 10 8:42 PM |
Aug 31 2010
01:57 AM |
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Ken
Hello,
I purchased a 2001 Luhrs 34 with Cummins 370B´s. Hours at purchase was 470 and now have 625. Need to perform maintanance on aftecoolers, etc. Mechanic indicaes it is virtually impossible to ..... |
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4 Responses....
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Aug 31 2010
03:41 AM |
#1 |
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Skag
A picture might be helpful - no idea what the 34 Luhrs has for room. Might just need to get intimate with the engine - lay a blanket over it and get comfortable. Use your stbd engine as a guide to f..... |
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Aug 31 2010
11:07 PM |
#2 |
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Maka Koa
I would suggest possible going to the Luhrs Owner´s Forum. You might get some good advice there.
I have posted the link below
http://www.luhrsowners.com/forums/index.php |
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Sep 1 2010
07:22 PM |
#3 |
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Doug L.
I took a look at some 34´s on yachtworld. It doesn´t look good from the pics I saw. Is there access from in front or behind the engine so someone can crawl along the outside? Otherwise it looks lik..... |
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Sep 1 2010
08:42 PM |
#4 |
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Ken
Thanks for the responses. I did look at removing the galley,-- the floor is molded fiberglass and even if removed, the fuel tank is very close. I am still trying to find a luhrs owner who had regula..... |
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Cummins:QSB Series
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Alternate DC ground path for QSB ECM |
VIEW/REPLY |
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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:B Series
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Sturdy Sync not working |
VIEW/REPLY |
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2
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Wed Sep 1 10 12:58 PM |
Sep 1 2010
01:19 AM |
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Paulyoinct
I have a Sturdy sync. not working. I think it is due to the port engine tach being off about 200 RPM. The sync picks up the port engines RPM and tells the Starb., what to do.(I have traced all the wir..... |
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2 Responses....
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Sep 1 2010
04:31 AM |
#1 |
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Ski in NC
Is this the mechanical sync box with rotating tach cables? If so, there is no adjustment. It (usually) either works accurately, or not at all. Problem is likely something in the mechanically driven..... |
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Sep 1 2010
12:58 PM |
#2 |
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Paulyoinct
Hi Ski
No this is a electronic sync, I think the problem is with the engine tach. I think these cummins 6bta´s pick up the tach off the alternator. The sync is wired into both engine tachs comming o..... |
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Cummins:B Series
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Alternator Testing |
VIEW/REPLY |
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6
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Wed Sep 1 10 4:08 AM |
Aug 27 2010
02:37 AM |
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Maka Koa
What is the best way to test an alternator? |
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Aug 28 2010
01:39 PM |
#2 |
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Maka Koa
That sounds adequate.
I suspect that my alternator (non-replaced engine) may be bad as it doesn´t appear to be charging the batteries when running. My volt meter on the upper station seems to cycl..... |
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Aug 28 2010
03:11 PM |
#3 |
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Jimbob
Chris,
depending on it´s age, you might want to consider buying a new alternator from Tony.
(get new bearings etc.)
i thought the price and delivery were great. |
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Aug 31 2010
11:16 PM |
#4 |
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Maka Koa
I believe the alternator to be original 1999....
What is an approximate replacment cost? |
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Sep 1 2010
04:04 AM |
#5 |
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FoReel
Can you look up a good Alternator/Starter rebuilding shop in your area. Certainly there has to be one. Then you would retain the OE hard parts and know the fitment is right. You could also have them b..... |
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Sep 1 2010
04:08 AM |
#6 |
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Ski in NC
Have you checked the voltage with DVM yet???? |
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Cummins:B Series
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Recommended engine mounts for 6bt with 72c V-drive |
VIEW/REPLY |
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11
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Wed Sep 1 10 1:01 AM |
Jul 6 2010
09:15 PM |
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8mpe
I have my Cummins 6BT M-180 engine out to replace the 72C V-drive.
I am thinking of adding anti-vibration engine mounts to reduce noise and vibration.
The engine is currently mounted on aluminum eng..... |
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Aug 31 2010
11:09 PM |
#10 |
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8mpe
Are R&D marine mounts (http://www.randdmarine.com/enginem.asp) good? |
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Sep 1 2010
01:01 AM |
#11 |
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Tony Athens
If you were asking me and you wanted a comparison to Barry Controls? Not even in the running, and that is from personal experience.
No offense R&D, but they just don´t cut the mustard in the work..... |
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