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TOPIC: Answering the 5:30 am call

Answering the 5:30 am call 21 Jul 2019 01:46 #97582

Boatboy wrote: Sean, What I was talking about had nothing to do with the coupling.

I think you were talking about or the rod connects to the Campbell under the power head? Which I haven't seen yet.
Do I have to remove the powerhead to access it?

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Sean

Answering the 5:30 am call 19 Jul 2019 02:36 #97525

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Sean, What I was talking about had nothing to do with the coupling.

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John

1958 Vagabond II & 35 HP Evinrude
1955 PlastiCraft 12 Ft. Delux Runabout
1957 Clipper & twin 35 HP Evinrudes
1957 AlumaCraft 14 Ft. FD

Answering the 5:30 am call 18 Jul 2019 21:31 #97517

The exit water is around a hundred degrees which seems hot compared to my Mercury, but with the bad thermostat removed there's all kinds of water flowing so I'll feel much confidence!

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Sean

Answering the 5:30 am call 18 Jul 2019 21:28 #97516

That sounds really interesting to me as my bolt that holds the rod is stripped out. Did you drill and tap the coupling?

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Sean

Answering the 5:30 am call 18 Jul 2019 18:50 #97514

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I have found that often the top end of the shift rod where it engages the shift lever has quite a bit of ware. I had a new slightly larger pin fabricated then drilled out the smaller hole to accommodate the new larger pin. This removes all the slop and play at the top end of the shift rod allowing the shift dog to fully engage into both the forward and reverse gears.

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John

1958 Vagabond II & 35 HP Evinrude
1955 PlastiCraft 12 Ft. Delux Runabout
1957 Clipper & twin 35 HP Evinrudes
1957 AlumaCraft 14 Ft. FD

Answering the 5:30 am call 18 Jul 2019 18:14 #97512

Well GREAT !! Overheating is gone ?

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Answering the 5:30 am call 18 Jul 2019 18:02 #97511

Thanks for putting the " Eagle Eye" on it! And the good encouragement, my Campbell is adjusted all it can be and is a little sloppy, I wish I put 1/8th of Bend in the control arm while I had it open lol. Running a buddy's test prop for 4 miles I had no issues whatsoever. So maybe I can get by.

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Sean
Last edit: by SeanDrives4Fun.

Answering the 5:30 am call 18 Jul 2019 17:10 #97510

CRACK me up !! I blew the photo up...It was an oil drop. I only see one are where the dog engages that looks bad enough to disengage. I have had a lot worse with no problems. Sometimes if I have a problem,,I'll adjust the linkage so if you shove the shift handle forward and hold it there it preloads the dog/gear and takes the slop out of all of the linkage . If it stops while doing this,,,,,it's a shift problem,,,if not,, a slipping prop. Props are easy to swap. It can be frustrating. :P

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Last edit: by Eagle127.

Answering the 5:30 am call 18 Jul 2019 14:11 #97509

The gear wear does look like a mismatch a bit but the way these are setup where everything floats unless under load I don't know if they present a true picture of how they mesh under load.

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Ray

"Every man takes the limits of his own field of vision for the limits of the world."
Arthur Schopenhauer

1956 Vagabond I - 50 HP Johnson
1950 Flyer - 50 HP Evinrude
1/2-195something Flash - KG7
1956 Golden Rocket, Sawzall Special
Last edit: by Locomotion.

Answering the 5:30 am call 18 Jul 2019 02:22 #97505

Ray that is one Odd wear pattern on that pinion . Never have seen that. Not going to effect meshing once seated. Most OMC lower ends have reversible Dogs. Turn it 180 around for troubleshooting . The reverse dog is usually not worn and will improve your slipping and banging under load. When rigging the shift linkage,,It's easier to show someone in person. Or Facetime. Cooling..Remember older direct drive motors don't even use impellers. They were added for slow speed operation. In fact as the engine gains RPM and ram pressure increases ,,the impeller goes into a bypass mode. The vanes go into a faired position to allow more flow. Most impeller wear and overheating shows up at low speed . In a closed loop system the thermostat is used for two reasons,,to impede coolant flow to allow the radiator to work and warm up the engine. In an open loop system [Fresh water non heat exchanger] outboard the thermostat is only used to bring up optimum operating temp.....So this time of the year to troubleshoot,,,,just take it out and run it. Most overheating in these engines come from a cylinder not pulling it's load or timing. PS,,Those Big Twins are a Stone Axe !! Rock solid and reliable. Your best friend troubleshooting these motors is the description and operation section of the manual. And wiring diagram. Good luck.
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Last edit: by Eagle127.
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