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Search: Posts Made By: ndutton
Forum: Troubleshooting Today, 11:59 AM
Replies: 6
Views: 119
Posted By ndutton
Agreed, the fuel pressure gauge is an effective...

Agreed, the fuel pressure gauge is an effective diagnostic tool but its effectiveness stops at the carburetor inlet. You could have good fuel pressure with a stuck float valve (or other internal...
Forum: Troubleshooting Yesterday, 03:04 PM
Replies: 6
Views: 119
Posted By ndutton
Marty, it seems to me the first thing to do is...

Marty, it seems to me the first thing to do is determine if it is fuel or spark related. Either are easy to determine at the time of shutdown. Only then can you take a logical approach to...
Forum: Fuel System 08-12-2022, 12:30 PM
Replies: 2
Views: 118
Posted By ndutton
My array of oil pressure sensors (OPSS, gauge...

My array of oil pressure sensors (OPSS, gauge sender and EWDS switch) are installed the same as Al's, remotely on a bulkhead and connected to the same port behind the flywheel with a pressure rated...
Forum: Troubleshooting 08-07-2022, 01:11 PM
Replies: 4
Views: 167
Posted By ndutton
My first suspicions are stuck timing advance...

My first suspicions are stuck timing advance weights or exhaust obstruction.
Forum: Cooling System 08-02-2022, 08:36 AM
Replies: 8
Views: 652
Posted By ndutton
I've attached one of the worksheets we used...

I've attached one of the worksheets we used during the testing of the Moyer Marine thermostat showing all the temperature measurement locations.
Forum: Cooling System 07-31-2022, 05:54 PM
Replies: 8
Views: 652
Posted By ndutton
Using a dial caliper measure the width of the...

Using a dial caliper measure the width of the impeller and the depth of the pump cavity. Subtract the latter from the former. If the answer is negative the pump is done.
Forum: Electrical 07-31-2022, 05:46 PM
Replies: 25
Views: 1,592
Posted By ndutton
Is the voltage good at "every wire between the...

Is the voltage good at "every wire between the battery switch and starter" DURING starting attempts with someone either turning the key or pushing the start button?
Forum: Cooling System 07-28-2022, 09:43 AM
Replies: 8
Views: 652
Posted By ndutton
Depending on cavity wear, it may not be...

Depending on cavity wear, it may not be rebuildable. Sure, bearings, seals and shaft are all replaceable but if the cavity in which the impeller spins is worn to a point where there is no longer a...
Forum: Electrical 07-23-2022, 08:25 PM
Replies: 25
Views: 1,592
Posted By ndutton
Excellent. As Antibes said, your problem is in...

Excellent. As Antibes said, your problem is in the battery cables or their terminations/connections, either positive or negative or both. This includes the battery switch connections and possibly...
Forum: Electrical 07-23-2022, 06:41 PM
Replies: 25
Views: 1,592
Posted By ndutton
Did you take the voltage tests at the battery...

Did you take the voltage tests at the battery posts like I asked? There's a reason for it.
Forum: Electrical 07-23-2022, 06:12 PM
Replies: 25
Views: 1,592
Posted By ndutton
Troubleshooting 101, first step at the source. ...

Troubleshooting 101, first step at the source.

What is the voltage at the battery posts at rest? Same test, same place when the starter button is pushed?
Forum: General Maintenance 07-16-2022, 09:09 AM
Replies: 7
Views: 531
Posted By ndutton
Islander 28 or Islander 32? What year?

Islander 28 or Islander 32? What year?
Forum: Electrical 07-14-2022, 09:34 PM
Replies: 7
Views: 393
Posted By ndutton
If the rubber seal is not damaged it can be...

If the rubber seal is not damaged it can be reused.
Forum: Exhaust System 07-13-2022, 09:22 PM
Replies: 12
Views: 610
Posted By ndutton
Studs my friends. The fastening system (hex...

Studs my friends. The fastening system (hex nuts) is then on the outside of the flange, not buried deep in the manifold. If they want to seize solid in the manifold, don't care anymore.

This...
Forum: Troubleshooting 07-13-2022, 09:16 PM
Replies: 32
Views: 1,102
Posted By ndutton
We've had a couple of convenient spark tester...

We've had a couple of convenient spark tester schemes. The one Sam refers to is from Lisle, available on Amazon, eBay, Walmart and others:
16284


Then there was the spare spark plug mount in...
Forum: Fuel System 07-09-2022, 11:34 AM
Replies: 18
Views: 521
Posted By ndutton
I don't HAVE to rebuild annually, I choose to, no...

I don't HAVE to rebuild annually, I choose to, no different than changing the fuel filter, spark plugs, crankcase oil and oiling the advance weights. When the wind dies I push the start button with...
Forum: Troubleshooting 07-09-2022, 11:21 AM
Replies: 32
Views: 1,102
Posted By ndutton
Yeah well, the A4 is also notorious for exploding...

Yeah well, the A4 is also notorious for exploding when you turn the ignition key so internet or dock rumors might not be the best diagnostic tool. Mine doesn't have valve problems, never has since...
Forum: Troubleshooting 07-09-2022, 10:32 AM
Replies: 32
Views: 1,102
Posted By ndutton
Valve problems? What valve problems? If there...

Valve problems? What valve problems? If there are valve problems, they won't be solved by fiddling with the ignition system.
Forum: Fuel System 07-09-2022, 10:16 AM
Replies: 18
Views: 521
Posted By ndutton
I may be at the other end of the spectrum...

I may be at the other end of the spectrum preferring to rebuild mine annually as a regular maintenance item but I believe it contributes significantly to my engine running reliably for 17 years. ...
Forum: Fuel System 07-08-2022, 11:27 PM
Replies: 18
Views: 521
Posted By ndutton
How long since your carburetor was last rebuilt?

How long since your carburetor was last rebuilt?
Forum: Troubleshooting 07-05-2022, 07:23 AM
Replies: 3
Views: 339
Posted By ndutton
Source: Moyer Marine Inc. ...

Source: Moyer Marine Inc.
https://moyermarine.com/product/choke-cable-long-fcar_15-1_246-2/

Length: MMI offers them in two lengths, 7 feet and 20 feet.
Forum: General Interest 06-29-2022, 09:52 PM
Replies: 11
Views: 997
Posted By ndutton
I've had an electric pump for 17 years, replaced...

I've had an electric pump for 17 years, replaced it on principle roughly 10 years ago as an aggressive maintenance/refresh measure. There were no performance problems requiring replacement. I've...
Forum: Fuel System 06-14-2022, 11:28 AM
Replies: 8
Views: 517
Posted By ndutton
Check your oil level and smell the dipstick for...

Check your oil level and smell the dipstick for the odor of gasoline.
Forum: Electrical 06-12-2022, 03:32 PM
Replies: 69
Views: 3,938
Posted By ndutton
First, you don't know yet what your alternator...

First, you don't know yet what your alternator output voltage is so let's not get ahead of ourselves. You might not even need a ballast resistor.

Second, voltage drop can be significant due to...
Forum: Electrical 06-12-2022, 02:47 PM
Replies: 69
Views: 3,938
Posted By ndutton
With an Atomic 4 you'll never get more than maybe...

With an Atomic 4 you'll never get more than maybe 50 amps out of your alternator and that's only when you're at an elevated RPM and very depleted batteries (for shame!). Fully charged and at rest...
Showing results 1 to 25 of 500

 
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