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Forum: Troubleshooting 08-16-2019, 08:54 AM
Replies: 38
Views: 8,513
Posted By tac
Don’s Explanation

https://moyermarine.com/techtip001/
Forum: Troubleshooting 08-05-2018, 04:58 PM
Replies: 11
Views: 2,809
Posted By tac
Oil Leaks

If you have a mechanical oil pressure gauge, or a remote mounted electrical sender, check to see if the brass NPT fitting into the front of the block, or its copper tube, has a crack. In my case,...
Forum: Troubleshooting 08-03-2018, 08:10 AM
Replies: 76
Views: 19,370
Posted By tac
Coil Mounting

Allow me to add my final thoughts on the matter. I believe Neil and I are saying pretty much the same thing: coil failure is caused by coil primary wire insulation breakdown due to heat. That heat...
Forum: Troubleshooting 08-02-2018, 04:13 PM
Replies: 76
Views: 19,370
Posted By tac
Coil Mounting

Yes, Neil. I moved the coil off the engine out of exasperation but largely on principle. That principle is that heat is the biggest killer of insulation. No more testing was done to determine how...
Forum: Troubleshooting 07-31-2018, 08:25 AM
Replies: 76
Views: 19,370
Posted By tac
I didn’t mention that in 2015, before moving the...

I didn’t mention that in 2015, before moving the coil off the engine, I mounted it on the engine with 1” nylon spacers for each bolt. This held the coil off the engine by an inch, but still held in...
Forum: Troubleshooting 07-30-2018, 09:35 PM
Replies: 76
Views: 19,370
Posted By tac
Coil Location

Neal is right advising caution without concrete evidence. I’ve had the Indigo electronic ignition, with the Crane Cams/FAST XR700 control unit, since 2000 (newly installed hour meter - 0 hours). I...
Forum: Electrical 06-24-2018, 03:29 PM
Replies: 3
Views: 2,953
Posted By tac
Cool idea, poorly executed Terminal Tamer ...

Cool idea, poorly executed

Terminal Tamer
1. The copper bus bar is not tin plated. Once it’s developed a copper oxide or copper sulphate corrosion coating, it’s resistance will increase.
2....
Forum: General Interest 06-23-2018, 01:44 PM
Replies: 10
Views: 3,117
Posted By tac
I had the same question a bit ago and found this...

I had the same question a bit ago and found this via the Practical Sailor magazine/site.

https://www.practical-sailor.com/issues/37_31/features/Joker-Valves-for-Marine-Heads_11065-1.html

You...
Forum: Fuel System 06-14-2018, 09:02 PM
Replies: 49
Views: 14,609
Posted By tac
Fuel Pump Relocation

An option might be to leave the old electric pump where it is, and mount the new pump in a more accessible location. Never having seen the inside of any Catalina, I can modestly say I’m quite...
Forum: Fuel System 06-14-2018, 05:17 PM
Replies: 49
Views: 14,609
Posted By tac
Checking/Bypassing the Oil Pressure Safety Switch

You can check the switch at least two ways:

1. If you have a voltmeter or multimeter (VOM scale set to DC voltage), connect it across the switch. That is, put the red (+) test lead on the switch...
Forum: Electrical 06-12-2018, 01:33 PM
Replies: 14
Views: 5,344
Posted By tac
Talking Moyer Information Resources

The official Westerbeke-archived (as I understand it, Westerbeke bought the rights to many of Universal’s engines when they went belly up) A4 manual can be a start to learning about this engine. I...
Forum: Electrical 06-11-2018, 04:08 PM
Replies: 14
Views: 5,344
Posted By tac
As to ARM and FLD, they are abbreviations for the...

As to ARM and FLD, they are abbreviations for the generator’s armature and field connections. Here is a drawing from an old Atomic 4 manual, Figure 22. It looks like it’s from the same document as...
Forum: Electrical 06-11-2018, 01:07 PM
Replies: 14
Views: 5,344
Posted By tac
Ammeters and Shunts

As to your ammeter, see,

http://www.moyermarineforum.com/forums/showpost.php?p=100348&postcount=24

In general, if your ammeter is the standard automotive round 2-1/16” ammeter, then it probably...
Forum: Fuel System 04-02-2018, 04:29 PM
Replies: 19
Views: 5,386
Posted By tac
I don’t think that’s a flare fitting. Under the...

I don’t think that’s a flare fitting. Under the nut, on the right side, should be a brass ferrule, which is compressed by the nut against the left hand tube to seal. You can make out the bright...
Forum: Cooling System 03-10-2018, 08:44 AM
Replies: 4
Views: 2,942
Posted By tac
......and Moyer’s instructions for their...

......and Moyer’s instructions for their Oberdorfer rebuild kit:

https://www.moyermarine.com/wp-content/uploads/2017/12/oberwatrebCSOB_09_70.pdf
Forum: Cooling System 03-10-2018, 08:27 AM
Replies: 4
Views: 2,942
Posted By tac
Specs, manual, parts list, picture (suitable fo’...

Specs, manual, parts list, picture (suitable fo’ framin’) here:

http://www.oberdorferpumps.com/pumps/rubber-impeller-pumps/n202m/
Forum: Wanted to Buy - Other items 02-26-2018, 09:52 AM
Replies: 1
Views: 4,553
Posted By tac
I’m surprised that you’ve had no response yet. ...

I’m surprised that you’ve had no response yet.

The A4 parts book shows the OEM part as, “Tube, breather 260784”. No other info, such as size or material, is given. Westerbeke, who handles...
Forum: Ignition System 02-23-2018, 08:48 PM
Replies: 43
Views: 15,800
Posted By tac
Start Circuit Relay

If you decide to go with a relay in the start circuit, the attached drawing shows one way to do it.

CAVEATS:
1. This is a schematic (it shows how the circuit works).
2. It is NOT a wiring...
Forum: Ignition System 02-20-2018, 08:04 PM
Replies: 43
Views: 15,800
Posted By tac
Switch Ratings

I’m embarrassed that I’d perused the Blue Sea catalog a couple months ago and never noticed that many Blue Sea breakers and the Contura switches (both made by Carling Switch, I believe) are “external...
Forum: Fuel System 01-12-2018, 09:18 AM
Replies: 54
Views: 17,510
Posted By tac
I see you’ve found the thread on flattening the...

I see you’ve found the thread on flattening the carb halves. I believe Dave Neptune’s comments are germane. I’d only add that 4 bolt or 5 bolt, it makes no difference; flat, mating faces are needed. ...
Forum: Troubleshooting 01-11-2018, 07:57 AM
Replies: 125
Views: 34,249
Posted By tac
Zenith Needle Valve Clip

See
http://www.moyermarineforum.com/forums/showpost.php?p=97135&postcount=24
Forum: General Interest 01-08-2018, 09:57 AM
Replies: 33
Views: 8,095
Posted By tac
More on heating...

I like the idea of heat pumps, especially using geothermal. But other than the initial expense, those pumps require power.

One of the benefits of wood stove heat is that it takes no power (other...
Forum: General Interest 01-06-2018, 09:05 AM
Replies: 33
Views: 8,095
Posted By tac
The price of pellets varies wildly depending on...

The price of pellets varies wildly depending on quality and delivery.

Pellet quality is often determined by heat value and ash residue. Example - I used to burn local hardwood pellets at $285/ton...
Forum: ABYC and USCG Standards 10-28-2017, 09:08 AM
Replies: 0
Views: 5,325
Posted By tac
Canadian Construction Standards

The Canadian equivalent to the USCG Title 33 CFR construction standards is: Transport Canada, “Small Vessel Regulations, Construction Standards for Small vessels TP1332E”.

It can be found at:...
Forum: Alberg 10-25-2017, 07:47 AM
Replies: 60
Views: 24,799
Posted By tac
Fuel Tanks

The USCG requirements at http://www.moyermarine.com/forums/showthread.php?t=9280 contain much on tank construction and installation.
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