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Yanmar:LP Series
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Intermittent power loss. Fuel issue? |
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8
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Thu Sep 2 10 1:00 PM |
Sep 1 2010
02:20 AM |
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David
Hello. I bought my boat, 10 years old with 300 hours. When bought, the fuel had water and “algae” (I know it’s bacteria/fungus). The boat has twin Yanmar 6LP-DTEs, I upgraded the Racor 500s to SeaMax ..... |
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8 Responses....
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Sep 1 2010
02:48 AM |
#1 |
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Tony Athens
David,
This is what I´d do..
Since you have high vac so soon again, you need to determine whether you have clogged a filter again (not likely as you checked it) , OR the CRUD is clogging a suc..... |
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Sep 1 2010
04:25 AM |
#2 |
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Ski in NC
Sounds like a clogged tank pickup. Clean filter and yet still high vacuum. Some builders put screens on the pickup (why???) and if it clogs and tank pickup is not accessible, you´re kinda screwed. ..... |
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Sep 1 2010
04:20 PM |
#3 |
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[DELETED BY AUTHOR]
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Yesterday
01:02 AM |
#4 |
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David
I removed the fuel pick-up and it was as clean as the day it went in! Only 3/8 diameter but no sign of sludge. The pipe is plastic so flexible enough to be removed.
At the top of the pick-up is a n..... |
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Yesterday
02:59 AM |
#5 |
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Tony Athens
David,
These are things we have seen:
1) at the top of the pick-up tube, many builder Micky Mouse designs make a very sharp 90 or worse leaving a spot to catch very small pieces of crud
2) t..... |
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Yesterday
03:00 AM |
#6 |
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Ski in NC
No need for a siphon break, or non return valve (whatever it may be called) on a diesel boat. That stuff is for gassers. Put a regular hose barb in its place. |
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Yesterday
03:24 AM |
#7 |
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Agriffith
Since you have gone this far- add a sump or a valve at the bottom of the tank, that way you can dump a bad batch of fuel or polish it before it hits the mains. An old commercial trick is to buy shitty..... |
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Yesterday
01:00 PM |
#8 |
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David
Thanks all, makes perfect sense. The 1/2 ID pickup will require a new fitting on the tank. There is also the anticipated 90 degree bend and due to clearance removing that will require some thought, pr..... |
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Transmissions:ZF Marine
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ZF 301A filter screen |
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14
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Thu Sep 2 10 12:26 PM |
Aug 18 2009
12:13 PM |
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Donal McCrohan
Hi All,
I have a ZF 301A with approx 5000hrs, I renew the oil and filter every year (approx 600hrs). I know there is also a filter screen on the gearbox but have never cleaned it - I am just wonder..... |
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Yesterday
12:26 PM |
#14 |
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Dmc
All,
Checked the suction screen last weekend, was very straight forward to do, many thanks to all who offered advice.
Regards
Dmc |
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Perkins:4.236 Series
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Tachometer drive mounting |
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0
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Thu Sep 2 10 12:21 PM |
Yesterday
12:21 PM |
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Edenhill
My tachometer drive (or whatever it may be called) which is mounted on the rear end of the injection pump shaft is loose:
It moves easily along the shaft axis from the engine housing out to about 1..... |
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NO Responses....
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Yanmar:LP Series
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Injector Pump Potential Failure |
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2
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Thu Sep 2 10 11:50 AM |
Yesterday
05:13 AM |
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Kevin O´Brien
My 2005 twin 315 Yanmars (6LPA-STP) have performed flawlessly over the last year (purchased the boat with 138 hours on the engines). Two weeks ago, after about an hour of trolling speed followed by a ..... |
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2 Responses....
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Yesterday
05:55 AM |
#1 |
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Winsordiesels
My advice is to pull the Inj Pump and get it to a Pump Room to rum it up sounds like you have a control rod (rack) problem in the Gov Housing, They will run it up and see the fuel deliveries, badly wo..... |
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Yesterday
11:50 AM |
#2 |
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Kevin O´Brien
The boat was used in 2005 and part of 2006, was laid up in 2007 and most of 2008. She had 138 hours when we purchased her in the Spring of 2009. We´ve put 140 hours on her in 15 months and run her c..... |
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Volvo:MD7,MD11,MD17
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Gearbox |
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3
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Thu Sep 2 10 9:46 AM |
Aug 28 2010
09:12 AM |
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Bazas
Hi, I´m a newbie to this site and boating and would be grateful of some help. I have an MD11C engine with no gearbox. What gearboxes would fit this engine. I know the gearbox from the MD17 will fit b..... |
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3 Responses....
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Aug 30 2010
05:12 AM |
#1 |
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Clark Leighs
Bump, Maybe one of the Volvo guys. |
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Aug 30 2010
12:45 PM |
#2 |
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Dick V
Only ones with same housing attached would be from MD2B,MD3B,MD11C orMD17C. The gear section aft of housing is the same on MD5,MD6B,MD7. You can change front housing to fit MD11. |
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Yesterday
09:46 AM |
#3 |
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Bazas
Thanks for the reply it gives me some idea of what to look for now.
Thanks Baz |
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Volvo:40,41,42,43,44 Series
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Volvo AD41B noise at idle |
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2
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Thu Sep 2 10 9:33 AM |
Aug 30 2010
02:16 PM |
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Wes
Hi,
I have noticed a tapping noise at idle in my AQAD41B motor. I´m not sure if it has always been present, or if it is getting more noticeable. The motor has about 1800 hours on it, and I have onl..... |
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2 Responses....
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Yesterday
05:00 AM |
#1 |
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Freddie
Wes,
I´m no expert about engine insides, but since no one has responded, I´ll throw out an idea based just on running a 42 and then a 43 for 15 years.
Do you know when it last had a valve adjus..... |
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Yesterday
09:33 AM |
#2 |
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Weta
Hi Wes, for the sake of the longevity of your engine (and wallet) check the valve clearances. Good luck. |
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Volvo: General
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D4-260 Overheat only at MAX RPM |
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4
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Thu Sep 2 10 9:23 AM |
Jul 14 2010
06:01 PM |
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Thesaint
Everyone,
I have a 28ft Rampage with twin I/B D4-260. These engines are from 2004 which means they are some of the first off the production line... Since day 1 the Engines turn 3600 at WOT fully l..... |
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Yesterday
06:41 AM |
#3 |
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Thesaint
I have already drained the coolant and replaced while cleaning the fuel cooler, aftercooler, and heat exchanger. The impeller is brand new and the salt water pump and intake are fine. My question is..... |
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Yesterday
09:23 AM |
#4 |
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Weta
Pump a mixer of 50% Rydlyme Marine and 50% waer through the system for 2-4 hours.Sea cock off. Zincs out, plugs in. Impeller out and end plate back on. Get a bucket and a 12v bilge pump, some 1" ..... |
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Cummins:QSB Series
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Starter motor stays engaged with engine running |
VIEW/REPLY |
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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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Detroit: General
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Twin Disc MG506 on a 6 71 Detroit |
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1
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Thu Sep 2 10 2:55 AM |
Yesterday
01:49 AM |
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David DiSesa
Would like some input as I am trying to decide which way to proceed.
I have a Cust with a 40 Viking, a couple weeks ago while docking he lost FWD and REV.
Was suprised to see the transmission coup..... |
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1 Response....
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Yesterday
02:55 AM |
#1 |
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Ski in NC
If he lost gear while docking, he probably did not fry the clutches. So if it possible to fix the broken bolt and put it back together, it´s probably worth a go.
Hate those boats with engines cram..... |
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Cummins:B Series
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6BT-210 Cummins CAV Pump Timing Mark |
VIEW/REPLY |
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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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Yanmar:LY Series
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Injector service |
VIEW/REPLY |
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0
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Wed Sep 1 10 11:30 PM |
Sep 1 2010
11:30 PM |
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BahaYan34
How do you know if your injectors need to be serviced? Coming up on 1k hours. |
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NO Responses....
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Volvo:D6 Series
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Oil Piston Cooling Valve |
VIEW/REPLY |
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9
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Wed Sep 1 10 11:25 PM |
Aug 23 2010
01:24 AM |
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Commonmedic
I have volvo penta D 6 310 hp engines. They are 2 plus years old with 240 hours of use at the begining of this boating season. Early on I noticed this year that if I did not bring back my rpm real slo..... |
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Aug 29 2010
01:31 AM |
#3 |
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Commonmedic
I have oil at bottom of safe zone,same issue. |
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Aug 30 2010
03:49 AM |
#4 |
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Clark Leighs
Have you considered plumbing in a mechanical guage to double check that the pressure is actually doing what the electrical guage says it is doing. More than a few of us have been caught by a faulty g..... |
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Aug 30 2010
01:37 PM |
#5 |
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Steako
Oil pressure regulator ? Not to be excluded but then you would have low oil pressure even at high rpm.
If the oil pressure keeps rpm dependant, it is more likely the oil viscosity. Too fluid when hot..... |
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Aug 30 2010
01:43 PM |
#6 |
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Bruce M
Has the general pressure reduced from prior years? Doy have the same viscosity oil as inpast? If so then you may not have noticd the issue in past. Is it possible that with your engine angle that for..... |
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Aug 31 2010
06:03 PM |
#7 |
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Commonmedic
The oil pressure has been good on both engines for the past 3 seasons. The engines run very close to same pressure at cruising speed 2-4 psi different. The problem only occurs when throttling back to ..... |
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Aug 31 2010
07:16 PM |
#8 |
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Karl
Commonmedic,
The problem is in the piston cooling valve, probably some dirt or debris in it causing a small leak.
Getting access to and cleaning (Or replacing) the piston cooling valve assembly ..... |
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Sep 1 2010
11:25 PM |
#9 |
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Commonmedic
Thanks for info Karl, any idea on how much a project would cost to repair,or is their a chance it may self resolve. |
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Caterpillar:3208 Series
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Sporadic starter problem |
VIEW/REPLY |
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1
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Wed Sep 1 10 10:10 PM |
Sep 1 2010
07:46 PM |
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CocoRum
Hi all,
I have had now for the second time a funny starter problem on my 3208 TA engine with 2000h. It just did not start, when I pressed the starrt button, just made a click. After fiddling around w..... |
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1 Response....
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Sep 1 2010
10:10 PM |
#1 |
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Captjohn
Start cleaning electrical connections between the battery and the starter and the ground. Could also be the starter switch. But clean up and tighten up all the connections first.
John |
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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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