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- Cummins Marine Forum Topics
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Twin Disc EC-250 electronic with synchronizers and trolling valves
This topic has 5 replies, has 3 voices, and was last updated by
1 year ago October 17, 2022 at 9:21 pm I recently purchased a 2003 Mikelson 50 with Twin Disc EC-250ās with electronic synchronizers and trolling valves. There are three stations and all controls are pitted and corroded. Finding identical units to replace them seems to not be viable. Is there a more current model that can replace this set up? Ā Thank you advance for any insight or input on this topic.
5 RepliesOctober 22, 2022 at 9:02 am JP – do you own a Mikelson 50? Ā If so, email me at [email protected]. We should trade tips and info.Last Post by:
posted: 1 year ago
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Salt water submersion
This topic has 1 reply, has 2 voices, and was last updated by
1 year ago October 19, 2022 at 6:22 pm Hello Seaboard Marine, I have a 33 ft Barry Farrell troller wth a Cummins 6BT diesel and Borg Warner V Drive,. Sadly the boat sank in salt water and the engine was completely submerged. We hauled her out immediately and she is now on dry land. Is it true that the engine must be pickled immediately or at the very latest within a few hours. Can you please tell me if this is true or can It wait a few days until my mechanic can get to it?. And what …
1 ReplyOctober 21, 2022 at 3:27 am There is only one good answer to your concerns. Pull the injectors and fill the cylinders with #2 diesel, Drain the v-drive and fill it with #2 Drain the oil pan as soon as possibleĀ –Ā As the #2 leaks past the rings into the oil pan add more #2 Have a catch contain under the engine Bar the engine overĀ Ā Speculating on how long you can wait is like answering thisĀ “How long isĀ a String”Ā Ā Any Contingency damage??Ā Same answe…Last Post by:
posted: 1 year ago
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6BT transmission oil coolant anode
This topic has 1 reply, has 2 voices, and was last updated by
1 year ago October 19, 2022 at 8:15 pm Hi there, Quick question. In the attached photo of the oil heat exchanger where is the anode. The small plug in the lower left end seems very small. many thanks Nigel
1 ReplyOctober 21, 2022 at 3:16 am On the Cummins factory supplied transmission oil cooler shown here (6BT 5.9), there is NO real provision for an anode.Ā The small 1/8″ NPT port / plug was put there to drain the coolant/seawater , or maybe for a seawater feed to a shaft log?.. Maybe we should ask, what were they thinking?Last Post by:
posted: 1 year ago
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Zeus – adding a Second Joystick
This topic has 2 replies, has 3 voices, and was last updated by
1 year ago October 5, 2022 at 12:35 am My main helm joystick is great however I have no visibility of back corners of boat nor can I get my head out the slim window opening on our Riviera 4400 [Wife has already done those jokes] Any idea how difficult and cost involved in installing a second joystick in the cockpit?Ā Ā Would be a 5m run and relatively easy to get cables through Have just been quote $18,000 AUD / USD$11,350 for a Dockmate Thanks Harvey
2 RepliesOctober 17, 2022 at 8:18 am What about a rear facing camera that is connected to one of your Multi Function Displays?Ā If you do some searching and reading on this site about Zeus and the joystick, you might look at something a little lower tech and more reliable.Ā Mount it on the center line of your hardtop looking aft and you can see what you need to see.Ā You will still need to move yourself from the helm to the aft deck to handle lines but you are doing that now I bet.…Last Post by:
posted: 1 year ago
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ZF BW165 Leaking…and slipping?
This topic has 7 replies, has 2 voices, and was last updated by
1 year ago September 30, 2022 at 8:25 am I’ve got ZFBW165 mated to 1200 hp man’s.Ā The port oil cooler has been leaking. I plan to remove it and hopefully its just a matter of replacing the o-rings where it mounts to the gear box.Ā However, I now have a new problem that may or may not be indicative of the cooler failing all together.Ā Recently, I had my port trim tab fail while underway (boat is a 58 viking). I’ve since had the trim tab removed and am running without …
7 RepliesOctober 12, 2022 at 12:04 pm I was able to source a used OEM cooler. Appreciate the offer to help, may take you up on it when the other one inevitably goes bad šLast Post by:
posted: 1 year ago
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ZF 280-1 electronic shifted gearbox
This topic has 2 replies, has 2 voices, and was last updated by
1 year ago
October 2, 2022 at 4:16 pm Hi guys, Cummins 480 CE coupled with a ZF 280-1 gearbox, Fully electronically shifted, microcommander controls and cruise command processors. This weekend moving the boat after no issues at all shifting around the fuel dock, we got under way and up to around 2050 rpm, and after about twenty seconds under power there was a noticeable bang, the shaft will not spin, and the controls will not shift into forward or reverse. I have never had an issue …
2 RepliesOctober 3, 2022 at 5:56 pm Hi Tony thanks for the quick response. Had the boat hauled todayā¦ no response from the port side after the bang was due to the shaft shearing off behind the strut. Prop gone. Shaft was not spinning at idle speed without the prop obviously. Trans side seems ok, now to deal with the rest of the repairs needed. Thanks for getting back to me as quickly as you did.ĀLast Post by:
posted: 1 year ago
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ZF Microcommander problem
This topic has 1 reply, has 2 voices, and was last updated by
1 year ago September 25, 2022 at 2:20 am Hello good people. Does anyone did experiended same issue with microcommander,maybe what to check first? Have manuals,and warming up my chair to do some self learning,but manuals are not small.. Much obliged for fast reply.
1 ReplySeptember 30, 2022 at 4:48 am IMO, the only real answer is to learn the system yourself , or hire a tech that knows the system.. The ZF manuals are quite good.ĀLast Post by:
posted: 1 year ago
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ZF 280 Gear Pressure too high?
This topic has 4 replies, has 4 voices, and was last updated by
1 year ago
August 16, 2022 at 9:43 am 6cta 450’s, zf 280 transmissions.Ā Ā Typical cruise is 2250rpm and I typically see gear pressure of 300psi Port and 225psi Stbd.Ā Coming back in last weekend and I was cruising at 2400rpm just for the fun of it, probably for 30 minutes.Ā At some point the port pressure climbed up above 400psi.Ā I don’t know if it is due to the faster cruise or some other reason. No funny vibrations, sounds, always shifts smoothly and easily. Is this s…
4 RepliesAugust 19, 2022 at 3:57 pm OVer the years I have fixed goofy reading guages by reterminating them.Ā Ā Ā THe actual guage and sender were OK but the connections were not. I found many of my terminals had light corrosion on them and it showed on the wire. I would clip off the old terminal,Ā strip the insulation back,Ā use ROSIN paste to dip the wire end into,Ā heat it with my solderingĀ ironĀ so the paste would clean the wire strandsĀ and then reterminate with new terminalsĀ …Last Post by:
posted: 1 year ago
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1st ZF280A Gear Oil Change
This topic has 2 replies, has 2 voices, and was last updated by
1 year ago July 13, 2022 at 6:12 am This topic has been postedĀ before and Rob Schepps has a short writeup on the topic.Ā I figured I post my 1st hand account of the oil change. First….do not attempt trying to take off the 36mm hex nut magnet/screen plug on the gear without using a 6 pt socket that has had the bevel ground down flat. There is not much depth to the head of the 6 pt plug. IMOĀ if you use a standard 6 pt (without gringing on flat)Ā or a 12 pt socket you’l…
2 RepliesAugust 15, 2022 at 6:05 am yes I’ll send the picturesĀLast Post by:
posted: 1 year ago
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ZF IRM280A.2 no gears
This topic has 12 replies, has 2 voices, and was last updated by
1 year ago July 25, 2022 at 7:38 am Hello there. Was today on this boat,it has two old Volvo TAMD74 engines with ZF gearboxes,and on stbd side no gears at all,someone did changed solenoids,did check lever controls,voltage to solenoids alos good when lever is in forwards or reverse,but nothing happenes. Is it possible to mechanically override solenoids to check if gearbox itself works,or similar? Thank you.
12 RepliesAugust 14, 2022 at 2:40 am Yes,on my pump is also housing worned like on your photo,sorry for not taking better photos.. It has low pressure,too low that works as it should yes,that’s why if you can reply on email with estimate with super urgent shipping would be greatly appreciated. Later on i need to drain,clean,flush oil system,but this will be on when i know new pump is on the way,will have time to do it. One more question,probably will be chalenging to install …Last Post by:
posted: 1 year ago
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Trying to figure out what type of adapter plate I have
This topic has 2 replies, has 3 voices, and was last updated by
1 year ago August 10, 2022 at 1:01 pm I was wondering if anybody knew with this adapter plate fits.
2 RepliesAugust 10, 2022 at 6:49 pm Not really for a BW 70-71-72-73Ā series velvet drive although it would work with few modifications………As shown with the short 8mm studs, it was made for a ZF 63-68 series transmissionLast Post by:
posted: 1 year ago
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Transmission Lag in Detent
This topic has 1 reply, has 2 voices, and was last updated by
1 year ago June 28, 2022 at 6:53 pm ZF 280 A, 50 hours since last change. Inspected magnet and screen on aft end all good. Port side has developed a 5-7 second lag in the detent position fwd and rev. Shifters are Volvo electronic. Also cruising above 9 knots there are 1-2 second skips no rpm change, these skips are random. The transmissions are mounted on Volvo TAMD 74P EDC 480ās 2001 models. The last oil sample was fine but did show a trace of aluminum. Any help with diagnosis an…
1 ReplyAugust 1, 2022 at 7:50 pm Sounds very much likeĀ a Volvo Control system issue.. PostĀ clear pics of the top /control valves on the gearsLast Post by:
posted: 1 year ago
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Twin disc gear ratio difference
This topic has 1 reply, has 2 voices, and was last updated by
1 year ago July 25, 2022 at 2:39 am I have a 1979 43ā Hatteras with a pair of QSM11ās. The port transmission has a gear ratio of 2.44/1 and the starboard side is a 2.50/1. Ā <br /><br /> 1. is this a huge problem with strain on the port engine as Iām seeing a higher fuel burn on that side?<br /><br /> 2. Ā Can the gear itself be changed to match the starboard side?
1 ReplyJuly 27, 2022 at 6:28 pm SIMPLE ANSWER=Go Fishing.. Ā If you want a “deeper” answer,Ā Ā post clear in-focus pic of each data tag.Last Post by:
posted: 1 year ago
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ZF/ Hurth Model # – HSW 800 A2 ** Pressure hiss when checking gear oil
This topic has 1 reply, has 2 voices, and was last updated by
1 year ago July 18, 2022 at 7:56 am Twin Cummins – 6BTA 5.9 M3 with ZF/Hurth gear boxes.Ā One of them has pressure present when I unscrew the dipstick – it hisses for a moment.Ā The other does not.Ā This happens both when engines have been running and when they are cold.Ā Anything to be concerned about??
1 ReplyJuly 18, 2022 at 6:06 pm 100% normal for either.Last Post by:
posted: 1 year ago
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Rubber bits from the bell housing
This topic has 5 replies, has 2 voices, and was last updated by
1 year ago June 25, 2022 at 8:48 am This winter I installed a new transmission and drive plate and rear engine seal, all new parts that I got from you and were confirmed to be the right parts.Ā I have now driven the boat about 13 hours and have found pieces of rubber and rubber dust under the engine right under the hole in the bottom of the bell housing. Any ideas as to what might be going wrong?
5 RepliesJuly 18, 2022 at 6:30 am Possible factory “defects” ??Ā The Vulkan 1000’s come direct to me from American Vulkan in Florida..Ā We make about two buys per yearĀ ( 30-50 each time) Take pics of the 1st unit, take it apart and document what you see.. Is the past. “Vulkan’s attitude” onĀ anything like this is:Ā Ā “we can do no wrong”ĀLast Post by:
posted: 1 year ago
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Replace Zf220A trans flange.
This topic has 2 replies, has 2 voices, and was last updated by
1 year ago
July 13, 2022 at 8:31 am Is it possible to replace the transmission flange without removing the engine/transmission? Ā Mounted to 6BTA 370.Ā
2 RepliesJuly 13, 2022 at 3:26 pm Whatās the problem with the flange? Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā Ā You might want to also replace the seal at the same time.Last Post by:
posted: 1 year ago
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Metal fragments in 280A valve body
This topic has 1 reply, has 2 voices, and was last updated by
1 year ago July 2, 2022 at 10:38 am After removing the solenoid and pulling the shaft out of the body the screen on the end had several pieces of small metal fragments and there were also some in the body itself. Ā Any ideas about what could be happening . Thanks for any help.
1 ReplyJuly 2, 2022 at 1:11 pm Zero history of the problem or symptom.Ā Zero pictures.. No crystal balls on this forumLast Post by:
posted: 1 year ago
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New ZF 220a Pressure Questions
This topic has 1 reply, has 2 voices, and was last updated by
1 year ago June 27, 2022 at 6:13 pm Yard just installed a new ZF220a gear on a 6bta 330 cummins.Ā Last one had an issue keeping pressure.Ā The new gear is set up with a new trolling valve installed and the pressure sender is on the outboard side of the trolling valve with a right angle turn on the pressure sender.Ā (sorry, can’t get pictures until Wed.)Ā In reverse, I get zero pressure on the gauge.Ā Also, in gear, I am only getting 300 psi.Ā I get just under 300 psi in idle…
1 ReplyJune 30, 2022 at 7:07 am Gauge is in the wrong place–Put it on one of the transmission cooler connections https://www.sbmar.com/articles/gear-transmission-pressure-sender-location/ Ā ĀLast Post by:
posted: 1 year ago
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ZF280 leaked some oil at cooler
This topic has 1 reply, has 1 voices, and was last updated by
1 year ago June 27, 2022 at 1:31 pm Cruising today zf280 fell out of gear(electric shift) I stop and would not go into fwd. Oil was leaking from cooler at joint with cooler cap. Checked oil, was not contaminated, but over filled, recent oil change, I took out 16oz/500ml, which brought oil to 3/4 to full. I run another hour and no leak or issues, gage says 350-370psi in drive. I will take apart cooler later, I’m in Bahamas this weekĀ So….does over filled oil cause ̶…
1 ReplyJune 29, 2022 at 6:54 am Joint where oil was leakingLast Post by:
posted: 1 year ago
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ZF 280-1A Forward Issue Under Load
This topic has 1 reply, has 2 voices, and was last updated by
1 year ago June 24, 2022 at 6:41 am I searched Tony’s Tips and could not find anything on this, but my ZF280-1A with electric shift will go into forward gear at idle and low RPM, but falls out under loads above 1500 RPM, and there is vibration at that point. Solenioids have been swapped and troubleshot to find no issues. No issues in reverse. Could a clogged filter be the issue? Note that when it does go into forward it is delayed a second or two.Ā
1 ReplyJune 24, 2022 at 1:31 pm Why not start with a full & proper service of your gear………………….. Oil filter screen & magnetic plugLast Post by:
posted: 1 year ago
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Twin Disc EC-250 electronic with synchronizers and trolling valves
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