Forums - Glenn Niccolai - Cummins Marine Forum

Forum Topics Started

Viewing 4 topics - 1 through 4 (of 4 total)

- Cummins Marine Forum Topics
- QSM-11 – Oil Pan Leak
  
  This topic has 3 replies, has 2 voices, and was last updated byPhilip 4 years ago
  
  May 14, 2019 at 1:54 pm All, Have a QSM-11- 2005.. 1100 hours.. developed a leak, outboard side (port Engine), appears to be under / next too the Fuel Cooler. Bolts for oil pan appear to be clean, no obvious leaks from the bolt or gasket. mechanic has been on boat twice changing a few bolts, said he fixed it.. 3rd time he jumped on board, now he says its a ‘cracked oil pan’.. I will say, over this past weekend, went for a quick ride (maybe 3 miles to and …
  
  Started by: Glenn Niccolai in: General Discussion
  
  3 Replies
  May 19, 2019 at 2:20 pm Ya, looks like a crack from the pictures. It’s worth sanding the paint off to confirm its in the metal and not just the pain. Other than that there really is no other option other than a new pan. Hopefully it can be done without jacking up the engine saving some alignment time. Phil
  Last Post by: Philip posted: 4 years ago
- Primary Fuel Filter Recommendation
  
  This topic has 1 reply, has 2 voices, and was last updated byRob Schepis 6 years ago
  
  July 17, 2017 at 4:16 am Tony / Corey… QSM-11 – 580.. PRimary racor fuel filter.. what do you recommend.. 10, 20,30 Micron? the secondary are the Cummins – Fleetguard 1001.. Never had a fuel issue in our area, we have the vacuum guages and little to no restriction on primary. FYI Thanks
  
  Started by: Glenn Niccolai in: General Discussion
  
  1 Reply
  July 19, 2017 at 4:52 am Per the book, a 10 micron with a WIF is used before the on-engine fuel filter. You would only want to run that 30 as a mud filter if there were another finer micron ahead of it before the on-engine filter to make up a multi stage system.
  Last Post by: Rob Schepis posted: 6 years ago
- After Cooler – Leak
  
  This topic has 2 replies, has 2 voices, and was last updated byGlenn Niccolai 6 years ago
  
  July 5, 2017 at 3:44 am Tony / Corey, (See Pic Attached) I had had the after coolers services just last year, maybe 150 hours on them. On both engines, I have developed a leak on the raw water pipe fitting. Last year, mechanic who performed service came back, , changed the O’Ring on starboard and all is good. He noted, from time to time this happens. This weekend, the port motor developed same small leak, at cruise the raw water pipe leaks… its salt water…
  
  Started by: Glenn Niccolai in: General Discussion
  
  2 Replies
  July 6, 2017 at 5:17 am Tony, thank you for replying.. I will try
  Last Post by: Glenn Niccolai posted: 6 years ago
- Low Power – QSM-11
  
  This topic has 7 replies, has 2 voices, and was last updated byTony Athens 6 years ago
  
  May 15, 2017 at 11:32 am NJ Boat, dropped 2 weeks ago (fresh bottom paint and props tuned up over winter) zero growth. First run was fantastic, 24 knots, no problem (RPM’s fuel burn 17 /18 GPH, 1875) hitting numbers, no issues) – WOT – 2325-2360 Took boat out last week, – 20 mile run – 3 miles trolling – 1850 RPM – 20/21 GPH and 19/20 knots…. A full 4 to 5 knot drop… WOT – 2250.. both engines read identical.. both engines ran smooth, no stut…
  
  Started by: Glenn Niccolai in: Cummins Marine Engines
  
  7 Replies
  June 1, 2017 at 5:14 pm Glenn, Sorry for the late reply–Just been super bust and I needed to read thru it all a few time.. Your numbers (GPH at particular RPM) are all over the place and I do not have a solid answer than this………………..But I will say this with 100% confidence.. 1) GPH readoust can vary some (or a lot) just because of the way it in measured.. It’s an “algorithm” based on many parameters the the…
  Last Post by: Tony Athens posted: 6 years ago

Viewing 4 topics - 1 through 4 (of 4 total)