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Cummins:QSM Series -
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QSM Gear Cooler Zinc |
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1
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Fri Nov 20 09 10:09 PM |
Yesterday
08:18 PM |
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Tony Athens
I sure hope nobody is so ignorant that they buy one of these.. It´s got to be a computer glitch as it seems the price is off one decimal..
A standard West Marine zinc works perfect for about 1/10 ..... |
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1 Response....
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Yesterday
10:09 PM |
#1 |
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Tomas Kempe
Tony Interesting: I use a 2" zincs for engine and gear cooler, gear cooler zinc(s) going faster. You reveal a Cummins trade secret with a one inch zinc since I had no way of knowing, the zincs ha..... |
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Cummins:B Series -
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Fuel Shutoff Valve |
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0
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Fri Nov 20 09 6:42 PM |
Yesterday
06:42 PM |
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Norm
I had to replace fuel shut off Solenoid p/n 3919422 on my 370b that went south. The replacement part (crossed several times) is 4089574 which includes a new mounting bracket. The new mounting bracke..... |
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NO Responses....
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Cummins:B Series -
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Oil Analysis Opionions |
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9
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Fri Nov 20 09 5:12 PM |
Nov 18 2009
04:34 PM |
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Gary_2
Hi,
I had a survey done last week along with an oil analysis. The boat is a 32 ft ~13,000 lbs, modified v (~18 degrees dead rise). 12ft beam with a small bridge. The engines are 1985 Cummins 6-BT 2..... |
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9 Responses....
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Nov 18 2009
08:41 PM |
#1 |
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Maka Koa
There is lots to read about oil samples (do a search).
I went through the same thing and had an oil sample done when I bought my boat & then again at 50 hours after an oil change.
Your oil sampl..... |
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Nov 18 2009
08:47 PM |
#2 |
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Maka Koa
Sorry to get so wordy...one more thing...
In my opinion (sorry to offend anyone). Screw the surveyor, it was a waste of money. If I had it to do all over again, I would take a well qualified Cummi..... |
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Nov 19 2009
01:08 PM |
#3 |
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Gary_2
Thanks for the feed back Maka.
I did do a search prior to posting. But, didn´t find much specifically on actual readings. I did get the message that most feel a single test isn´t worth much. But, I..... |
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Nov 19 2009
07:34 PM |
#4 |
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Paul Foulston
This is EXACTLY what pisses me me off about worthless one off oil sampling, more questions asked than answers given.
Paul |
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Nov 19 2009
09:41 PM |
#5 |
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Maka Koa
One sample won´t tell you enough.
Low RPM?
1. Is the boat Propped Right?
2. Clean Bottom & Running Gear?
3. Clean Aftercoolers, Heat Exchangers?
4. Clean Fuels Filters, Good fuel?
That..... |
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Nov 19 2009
10:07 PM |
#6 |
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Lijoe
What a single oil sample is really good for is showing if the is fuel, coolant or seawater in the oil, all of which are problems in need of attention - what it won´t do is tell you much about the inte..... |
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Nov 19 2009
10:32 PM |
#7 |
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Bill D l
yup wasted $$dough$$ on an oil sample.
Of course, being new to used diesel ownership...I had an oil sample done before I bought my Blackfin with used (550 hr.) 6BTA 370s.
Oil analysis came back OK...... |
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Yesterday
03:42 PM |
#8 |
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Gary_2
Hi Bill,
By "marine age" on the hang ons do you mean the age of the accessories(water pump, turbo, fuel system)?
Thanks,
gary |
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Yesterday
05:12 PM |
#9 |
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Bill D l
Yes, a "Tony Athens" term!
I roasted a 6B 370 Aug 08 do to marine age. 2 bolts snapped off the belt idler pulley, lost the engine coolant..Poof!
I think you realize that the 6B base engine..... |
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Cummins:B Series -
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CPL 2208´s: New turbocators installed |
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5
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Fri Nov 20 09 2:54 PM |
Nov 9 2009
07:07 PM |
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Timothy H Fanney
CPL 2208/370B´s. 9 years old, 1875 hours. Just installed turbocators. Hull cleaned. Water temp 57 deg. Normal fuel load. Minimal smoke and strong pull thru rpm range getting on plan. No load rpm-3300...... |
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Nov 16 2009
10:51 PM |
#3 |
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Timothy H Fanney
Clark, thanks for the reply. Very familiar with the aftercooler maintenance from Tony. Mine are due for it this spring. I use Tony´s envirovent system so they should be very clean on the air side, but..... |
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Nov 16 2009
11:46 PM |
#4 |
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Bill D l
Tim, I installed like new 370s in my Blackfin this past spring. From hour one of intall, and the engines are basically new REMANS, the turbocators and EGT were as follows.
875 EGT from 2200 to WOT 30..... |
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Yesterday
02:54 PM |
#5 |
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Timothy H Fanney
Appreciate the replies. I´ll be doing my aftercoolers this coming March. I´ll re-check boost/EGT then and probably rebuild the turbos if I don´t get to 30 boost and lower my EGT
tim |
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Cummins:B Series -
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330 BTA Hard Starting |
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15
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Fri Nov 20 09 1:23 PM |
Nov 18 2009
12:53 PM |
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Rwil
Engines have 1600hrs and when cold below 60 deg port starts hard with lots of smoke runs ok once warmed up normal smoke and power. When warm starts ok. This has gotten worse from 500 hrs. Could an in..... |
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15 Responses....
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Nov 18 2009
01:29 PM |
#1 |
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Tony Athens
The #1 reason a diesel starts easily is the heat that is generated during the compression of air in the cylinder and then the "quality of fuel" that is sent into that heated air. Lower that..... |
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Nov 18 2009
01:39 PM |
#2 |
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Maka Koa
"The simple solution to mitigate the issue is to add heat to your engine BEFORE your start--Consider adding 250W´s to the oil pan 24-7-365 when at the dock.. That will give your engine an instant..... |
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Nov 18 2009
02:01 PM |
#3 |
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Jim D
Tony is referring to a Wolverine 250W Model 16 oil pan heater - they glue to the bottom of your oil pan and keep the engine toasty warm and make for easy starting all the time - We even eliminated our..... |
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Nov 18 2009
05:27 PM |
#4 |
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Rwil
Tony thanks for your reply. I have mitigated the problem with heat as you describe. Since the Port engine runs good full power no oil usage or other fluid issues and the Starboard engine seems to be ..... |
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Nov 18 2009
05:58 PM |
#5 |
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Jay Leonard
Don´t overlook a battery just starting to get weak. I have been there many times with 6BTs in trucks. The battery can test "good" by a conventional mechanics load tester, but be weak enough ..... |
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Nov 18 2009
06:10 PM |
#6 |
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Rwil
Yes the engine battery starts both engines is fairly new and in listing seems to turn both engines the same. The starboard engine starts easy even when faily cold. |
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Nov 19 2009
02:04 AM |
#7 |
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Tony Athens
If you want to eliminate cranking speed as the culprit, there is really only one way.. Pull the fuel solenoid circuit, be ready to strobe the engine, and crank it-----------150 or more RPM is the numb..... |
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Nov 19 2009
03:40 AM |
#8 |
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Bill D l
Rwil, it´s ALL about heat in the engine before starting..+ a combination of other minor "old age/hours" issues as Tony stated.
Tony provided me with a pr. of 250 watt block heaters for my 3..... |
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Nov 19 2009
07:30 AM |
#9 |
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Paul Foulston
We need to get some facts straight.
B is an easy starting direct injection engine, I do not have spec to hand as you have not posted your CPL but so I cannot quote your spec for unaided cold start ..... |
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Nov 19 2009
07:43 AM |
#10 |
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Viku
I had the same problem with my CPL970 - difficult starting when cold, full power and no smoking when warm. The reason appeared to be worn exhaust valve seats. After cylinder head repair it now starts ..... |
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Nov 19 2009
01:15 PM |
#11 |
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Rwil
Paul thanks for your reply. I have had this boat since 500hrs. My temps here in Ky go from teens in winter to 80-90´s summer. I keep heat on engines below 50 deg. Engines are run year round except i..... |
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Yesterday
04:30 AM |
#12 |
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Frank Gee
Hi Rwil:
I don´t know if this applies to your situation, but if the engine oil hasn´t been changed in a while, and has accumulated significant hours past the maintenance spec interval, that can be ..... |
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Yesterday
08:08 AM |
#13 |
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Paul Foulston
Frank,
Simple answer is no, lube does not break down.
"B is real sensitive to drawing air back up the return line if fuel system not 100% and will certainly cause symptoms you speak of&quo..... |
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Yesterday
01:15 PM |
#14 |
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Rwil
I sure appreciate all the feedback on this issue that is what makes this site so great. As for engine service the engine oil has been changed every 100-150hrs.
Paul not sure I understand your comme..... |
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Yesterday
01:23 PM |
#15 |
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Rwil
Sorry I re-read Paul´s oil comment and understand what he is saying. Can anyone also comment on the question of "could an injector leak off after shut down causing to much fuel in a cylinder&quo..... |
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Generators:Cummins/Onan -
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MDKAL Stopping Issue |
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7
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Thu Nov 19 09 11:11 PM |
Aug 1 2009
07:14 AM |
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Brad
Boat has recently been out of the water for antifouling. First time starting generator (MDKAL) after this it ran for a few minutes and then stopped. It then restarted once and ran for about 30 seconds..... |
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Nov 19 2009
11:05 AM |
#3 |
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Brad
Would love some advise on this one, as you can see it is quite a while since this happened and in that time after contacting 4 repairs (which I think is all of them in this town) I have managed to onl..... |
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Nov 19 2009
03:57 PM |
#4 |
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Bushelsoffun
Brad,
I had a MDKWB with the same problem. The unit would start and run just a few seconds and then trip the breaker on the unit. When reset the gen. would start and run a few seconds again befo..... |
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Nov 19 2009
04:03 PM |
#5 |
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Bushelsoffun
Brad,
The fuel pump was not very expensive and was easy to replace on my unit. It has been running fine ever since.
Greg |
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Nov 19 2009
05:54 PM |
#6 |
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Ski in NC
Stator can be tested using a good quality digital ohm meter, but you really need to be well versed in ac electrical machines, and have a manual to make a conclusive diagnosis.
If windings smoked,..... |
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Nov 19 2009
11:11 PM |
#7 |
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Brad
Thanks for the replies, I assume I could get an electrical type (auto or refridge etc) to do the test if I am not sure myself, does anyone know if the appropriate manual is available to purchase as an..... |
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Cummins:C Series -
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Aftercoolers |
VIEW/REPLY |
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4
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Thu Nov 19 09 10:26 PM |
Nov 13 2009
06:48 PM |
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Vic
I recently pulled my aftercoolers for service and was a bit dismayed to say the least. Between the slugging to get the cores out and the visible corrosion on the casing I knew there was going to be so..... |
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Nov 19 2009
10:26 PM |
#4 |
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Rhc
Very nice pics.
Great patience with reshaping and blending the jb welding back to the original surface. |
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Cummins:B Series -
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All Show and no GO |
VIEW/REPLY |
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4
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Thu Nov 19 09 12:45 PM |
Nov 17 2009
10:32 AM |
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Smokey
370B, cpl 2208. In attempting to try out my new repairs on my starboard engine, I was up to cruise for only a few seconds and my port engine just instantly dropped to idle. I cannot get to the throttl..... |
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4 Responses....
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Nov 17 2009
06:09 PM |
#1 |
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Ski in NC
Most likely thing is that the cable end or cable bracket fasteners backed out. Get a shaving mirror, duct tape and a wire coat hanger. Auto parts shops, hardware stores will often have mirrors on st..... |
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Nov 19 2009
01:08 AM |
#2 |
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Blackfinmike
You could also check it with using a digital camera. |
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Nov 19 2009
12:40 PM |
#3 |
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Smokey
I think there is only one thing more dumb than designing a boat that you have to remove a couch, storage area, and a A/C unit to check and engine zinc, etc. Buying one. Never again. |
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Nov 19 2009
12:45 PM |
#4 |
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Jay Leonard
My previous boat had a large plastic mirror in the head.I removed it and cut it up to use in the engine room. I even mounted a piece in the bilge with double sticky tape so I could see the outside of ..... |
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Cummins:QSB Series -
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Cummins Maintenance Manual on CD-ROM |
VIEW/REPLY |
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2
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Wed Nov 18 09 7:03 PM |
Nov 18 2009
05:20 PM |
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Howard
Does anyone know how to open the CD-ROM on a MacBook or even a modern Microsoft operating system?
Here is the response I got back from the manufacturer
"Dear Howard,
Thank you for contacti..... |
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2 Responses....
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Nov 18 2009
06:09 PM |
#1 |
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Drew
Had the same problem on my macbook. I keep a copy of XP on a bootcamp partition and use it to access the stuff. It reads fine with the right software on a macbook. |
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Nov 18 2009
07:03 PM |
#2 |
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Howard
Drew
Thanks, I will give that a try. |
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Cummins:C Series -
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Soot |
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10
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Wed Nov 18 09 4:26 AM |
Nov 16 2009
03:41 PM |
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Maineboater
I suppose this topic has been beat to death but please bear with one more query. I have gone through the archives extensively but haven´t seen anything about the following. I have soot from the Cummin..... |
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10 Responses....
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Nov 16 2009
04:47 PM |
#1 |
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Paul Foulston
A)Not calibration, forget that.
B)Do NOT mess with timing, you will end up with burned pistons.
C)Cummins (magic magnets) rep sounds as knowledgeable as mechanic who suggests messing about with ..... |
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Nov 16 2009
04:51 PM |
#2 |
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Ski in NC
Also post what rpm you cruise at, and what rpm you get at full power. |
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Nov 16 2009
05:14 PM |
#3 |
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Maineboater
WOT both engines is 2600 checked with an electronic tach and mark on the viscous damper pulley. Will have to get the CPL when I get home.
Thanks. |
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Nov 16 2009
07:08 PM |
#4 |
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Bruce M
has this always happened? Are they up to normal op temp? That 2600 is actual loaded reading? What rpm are you running when you get the soot? Are you fully on plane? |
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Nov 16 2009
09:11 PM |
#5 |
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Maineboater
It is very much worse if bogged down not up on plane. Temps are a bit on the low side with the dash guages at 180 but are up in the 185-190´s with an IR guage. Tend to cruise at 2100 rpm which is well..... |
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Nov 16 2009
09:13 PM |
#6 |
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Maineboater
Addendum--2600 is WOT when fully loaded under way. |
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Nov 16 2009
10:44 PM |
#7 |
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Bruce M
Tony hasn’t responded so I´ll stick my neck out before the expert corrects me.
Those aren’t smoky or sooty engines, I own two.
From your description it sounds like you don’t know much about the ..... |
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Nov 16 2009
11:42 PM |
#8 |
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Jeff Bennet
Endorsing Bruce M´s comments, start with the air filters, which is also the cheapest place to begin. The OEM paper element filters can look clean while holding a lot of salt crystals and stuff.
Had ..... |
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Nov 18 2009
03:37 AM |
#9 |
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Maineboater
Actuallly I have cleaned the air coolers per Tony´s instructions. Also put on new air filters. Don´t believe it to be either of those problems. |
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Nov 18 2009
04:26 AM |
#10 |
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Ski in NC
Two thoughts:
1) If you prop a little lighter so it runs at 2700 full power, then cruise at 2200 instead of 2100 the engines will likely create less soot. There will be more air in the cylinder f..... |
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Cummins:B Series -
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Max RPM Cummins 6BTA 5.9 |
VIEW/REPLY |
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3
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Tue Nov 17 09 11:16 PM |
Nov 16 2009
03:23 AM |
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Maka Koa
What is the maximum (WOT) RPM for a Cummins 330 HP 6BTA 5.9? |
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3 Responses....
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Nov 16 2009
04:17 AM |
#1 |
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Tony Athens
Rated RPM-- 2800 (minimum)
Prop to 2900-2950 loaded as you use the vessel
No Load-- 3200-3250 |
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Nov 17 2009
10:36 PM |
#2 |
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Maka Koa
In trying to determine why my engine ultimately failed I have come up with 2 distinct possibilities and or contributors.
1. Over-propping: Lightly loaded (my initial sea-trial) the engines turned 2..... |
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Nov 17 2009
11:16 PM |
#3 |
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Bill D l
Maka Koa,
there are many many many members that have "steep $$$$ learning curves" on buying, running and maintaing diesel engines.
I was one of the "steep $$$$$$ learning curve"..... |
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Cummins:C Series -
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Class Action Suit |
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26
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Mon Nov 16 09 9:51 PM |
Nov 3 2009
04:39 PM |
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Vic
it appears that a final judgement was issued in the settlement of the class action in Cerdes V Cummins. according to the settlement website; cumminsmarinedieselsettlement.com, the class has 6 months f..... |
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Nov 15 2009
05:56 PM |
#17 |
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Frank J. Foster
I love these kind of posts, they make me think……. I get it, salt water at 80F or less going through after cooler works better than 190F coolant. Denser air charge makes more power. But salt wat..... |
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Nov 16 2009
12:06 AM |
#18 |
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Paul H Foster
Frank , FTW my salt water aftercoolers failed after 15+ years woulds have lasted longer If I serviced them the right way
Paul F. |
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Nov 16 2009
03:15 AM |
#19 |
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Jim Bohn
A seawater aftercooler for a modest size engine (350 - 400 hp) will be cooling 700 - 800 CFM of intake air, and it drop the temperature of that air by 200 degrees F or more.
What kind of air condit..... |
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Nov 16 2009
01:36 PM |
#20 |
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Tomas Kempe
The after-coolers are the weakest point on a Diesel, I can not come to any other conclusion. The history involves destroyed engine, law-suits right and left and what is the remedy, a drain valve, new ..... |
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Nov 16 2009
02:21 PM |
#21 |
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Tony Athens
Tomas,
100% of every problem associated with the saltwater cooled aftercoolers is 100% from the lack of proper maintenance.. It starts with poor assembly practices, and then amplified by the lack ..... |
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Nov 16 2009
02:27 PM |
#22 |
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Vic
Although I’ve not been able to find the specific details of the original claim I´m guessing the water ingestion issue is not as simple as condensation. Condensation remaining in the aftercooler would/..... |
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Nov 16 2009
02:31 PM |
#23 |
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Vic
Tomas a keel cooling system will not work on a 35knot boat. as the water speed increases the effeciency of heat transfer between the two fluids is lost, never mind that a keel cooler might very well c..... |
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Nov 16 2009
05:20 PM |
#24 |
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Frank J. Foster
My intention with the post was purely for fun, with just a little cynicism on state of the art. However, I disagree with the comment about the compressor requirements being larger than the engine. U..... |
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Nov 16 2009
09:05 PM |
#25 |
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Jim Bohn
Hi Frank,
I was pretty sure you were kidding around, but there are non technical folks who read these posts and they can get the wrong idea. When half the US population is scientifically/mathemati..... |
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Nov 16 2009
09:51 PM |
#26 |
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Frank J. Foster
Yes Jim, The post was meant for pure entertainment value. I keep cracking up every time I think about it though. Twisted humor I guess. |
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Cummins:QSM Series -
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Qsm 11 |
VIEW/REPLY |
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5
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Mon Nov 16 09 2:11 PM |
Nov 15 2009
06:39 PM |
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Zimbo
New to this great site have learnt a great deal.
Question does anyone know the difference between a QSM 11 core/block and an M11 block. I have checked the dealership the part numbers differ by the ..... |
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5 Responses....
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Nov 15 2009
06:52 PM |
#1 |
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Tony Athens
I am sure that you are going to need a serial number of your engine before anyone can tell you if a some generic M-11 block will work--Remember, the first M-11´s were actually mechanical--they go back..... |
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Nov 15 2009
08:06 PM |
#2 |
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Zimbo
Thanks Tony
Have recently purchased a 635 Hp DOM 1999 presently assesing requirements, i need a second engine and was considerind marinizing an M11 is this an option? I know the heads are different a..... |
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Nov 16 2009
09:56 AM |
#3 |
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Paul Foulston
Zimbo,
Not sure what you mean by a QSM11 635 "DOM"?
Now the complicated bit. M11 block did not change from the point of view of bearings etc and is totally backwards compatible to L10 ..... |
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Nov 16 2009
01:28 PM |
#4 |
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Zimbo
Thanks Paul
Will have to look around for a marine block then good enough reason to me by DOM I meant date of manufacture.Not sure "backwards and forwards compatable" means. The block part ..... |
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Nov 16 2009
02:11 PM |
#5 |
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Paul Foulston
Zimbo,
In my book there is no such thing as a "marine block" Jamestown would never accept such a radical difference. I would be happy to use ISM automotive block without any issues.
Ou..... |
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Cummins:B Series -
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Boatdiesel Rebuild |
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33
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Mon Nov 16 09 2:51 AM |
Sep 25 2009
07:55 PM |
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Blackfinmike
Ok, its been a while to get this going, Bill D´s old motors. Hopefully Bill will tell the story, as I believe with alot of overheat and blow-by posts it will be beneficial for the forum. Any suggestio..... |
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Nov 15 2009
10:42 PM |
#32 |
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Blackfinmike
Just another update, I was able to do all the other work because I wasn´t working that much, scared me, changed jobs and now working to much. Typical story. Went out today removed camshaft, fuel pump,..... |
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Nov 16 2009
02:51 AM |
#33 |
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Bill D l
Mike, I went thru this before selling the engines to you.
From my perspective...you have 2 choices with the machine shop and boring.
#1. have the machine bore to their pistons specs...chances are (a..... |
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Cummins:C Series -
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Diesel School |
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1
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Sat Nov 14 09 12:10 AM |
Nov 13 2009
03:38 PM |
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Barneson
Does anyone know of any diesel seminars / training sessions in general or specific to Cummins? Looking for some basic diesel knowledge, maintenance training etc... Would like it to be anywhere from ..... |
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