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Showing results 1 to 25 of 53
Search took 0.00 seconds. Search: Posts Made By: Dalestr
Forum: Engines and Propulsion Systems 13-03-2024, 07:35
Replies: 9
Views: 1,326
Posted By Dalestr
Re: Volvo MD2030 drops revs and idle

Classic symptoms of fuel starvation. You mentioned gauze, a strainer of some sort. Volvo used strainers inside the lift pump inlet stub and that can be eliminated with proper primary filter. Should...
Forum: Engines and Propulsion Systems 14-02-2024, 10:58
Replies: 8
Views: 3,634
Posted By Dalestr
Re: Lubing volvo penta throttle control

Much the same warning from Volvo Penta regarding many manual gearboxes and sail drives made by them. They also used some Hurth/ZF boxes so not a concern for those
Forum: Engines and Propulsion Systems 14-02-2024, 10:53
Replies: 8
Views: 3,634
Posted By Dalestr
Re: Lubing volvo penta throttle control

These 33x type control cables are sealed and permanently lubed.
I see a different issue perhaps for shifting from reverse to neutral as some may use reverse to lock a fixed blade prop from...
Forum: Engines and Propulsion Systems 28-01-2024, 11:36
Replies: 40
Views: 3,187
Posted By Dalestr
Re: Yanmar 3GM30Fe low power when cold

This problem would be consistent with tight valve clearance but I’d expect hard starting too. A weak or broken valve spring might be it. It certainly could be an injector problem which seems low...
Forum: Engines and Propulsion Systems 26-01-2024, 13:07
Replies: 21
Views: 2,732
Posted By Dalestr
Re: Manual vs electric fuel lifting pump

To answer Question 1: Most mechanical fuel lift pumps can handle at least 2' of continuous lift from the tank. The maker should have the actual specs. My 2GM mechanical Yanmar pump is rated 0.8m...
Forum: Engines and Propulsion Systems 17-12-2023, 09:18
Replies: 14
Views: 35,384
Posted By Dalestr
Re: Basic Engine Gauge Theory and Testing

”Temperature Senders are often Bi-Metalic Thermo-Couple devices, whose resistance decreases as Temperature rises; resulting in a higher reference voltage at the gauge. Other Senders (Level, Pressure,...
Forum: Engines and Propulsion Systems 11-12-2023, 21:06
Replies: 14
Views: 9,721
Posted By Dalestr
Re: Perkins Prima Lift pump Poorly Designed

Consider replacing with a Facet electric pump of correct pressure and deleting the mechanical pump.
Forum: Engines and Propulsion Systems 11-12-2023, 20:04
Replies: 4
Views: 530
Posted By Dalestr
Re: Volvo V Vetus Exhaust Muffler WaterLock

Since you indicate there is 25” travel from the exhaust elbow there is plenty of opportunity for the exhaust to mix with the waste water and cool things. Of course the volume of water must be...
Forum: Engines and Propulsion Systems 04-12-2023, 16:56
Replies: 48
Views: 3,905
Posted By Dalestr
Re: Primary Fuel Filter Vertical Separation Question

I love electric fuel pumps too and swapped my Yanmar's (2GM20F) lift pump for a Facet electric (cube style) pump, the lowest pressure unit. It sure beats working the pump lever when bleeding points...
Forum: Engines and Propulsion Systems 03-12-2023, 19:38
Replies: 48
Views: 3,905
Posted By Dalestr
Re: Primary Fuel Filter Vertical Separation Question

I too elevated my primary filter for better access. It is the small all metal Racor 110A. I used a squeeze bulb to properly bleed air from it as without self-bleeding on my Yanmar, I prefer to...
Forum: Engines and Propulsion Systems 03-12-2023, 18:59
Replies: 21
Views: 2,365
Posted By Dalestr
Re: Yanmar Alternator Charge Lamp

To be a bit more clear on the 2 excitation circuits, Yanmar drawings shows both in use. These are essentially parallel circuits, a belt and suspenders approach. Either can excite. The R circuit...
Forum: Engines and Propulsion Systems 03-12-2023, 18:22
Replies: 21
Views: 2,365
Posted By Dalestr
Re: Yanmar Alternator Charge Lamp

Most internally regulated alternators won’t stop charging if you turn off ignition switch with these engines running. Maybe that’s what your shutoff referred to. Be aware that as long as engine is...
Forum: Engines and Propulsion Systems 24-10-2023, 09:49
Replies: 19
Views: 9,110
Posted By Dalestr
Re: Westerbeke stops running mystery

On some Westerbeke the solenoid fuel enable is activated by Key in IGN position but the lift pump only kicks on with either PREHEAT or a closed oil pressure switch. If the latter is faulty or has...
Forum: Engines and Propulsion Systems 08-10-2023, 10:02
Replies: 81
Views: 6,904
Posted By Dalestr
Re: Yanmar seawater exhaust bleeder plug

Well your latest photo shows improved exhaust with lowered risk but to be blunt, as long as the muffler, filled with a gallon of seawater while sailing, plus the water trapped in the blue hose dipsy...
Forum: Engines and Propulsion Systems 07-10-2023, 21:28
Replies: 81
Views: 6,904
Posted By Dalestr
Re: Yanmar seawater exhaust bleeder plug

The difference in RPM may be due the different gear ratios, Fwd vs. Rev. as Rev is normally lower.
But do verify the min. travel of the tranny actuator arm is achieved per Yanmar spec.
Your prop...
Forum: Electrical: Batteries, Generators & Solar 22-08-2023, 00:28
Replies: 18
Views: 1,721
Posted By Dalestr
Re: Installing new alternator

If you can't borrow a hydraulic crimper, Dorman makes a decent battery lug hammer-crimper for under $30 at auto parts stores or there's one sold at Hamilton Marine. If by chance you must use...
Forum: Construction, Maintenance & Refit 12-08-2023, 07:46
Replies: 21
Views: 3,757
Posted By Dalestr
Re: Acetone to Aid in drying wet plywood core

Acetone can dissolve, soften cured polyester resin so not for this use. Exaggerated Solar heating can do harm too as the expansion of GRP vs core is an issue, causing tearing of what bond exists to...
Forum: Engines and Propulsion Systems 07-08-2023, 17:47
Replies: 44
Views: 3,744
Posted By Dalestr
Re: Diaphragm Lift Pump Life

Interesting problem. I've always wondered how they isolate the fuel within the injection pump from getting to the crankcase as the plungers operate from the camshaft. That might be a source but...
Forum: Engines and Propulsion Systems 27-07-2023, 08:52
Replies: 44
Views: 2,851
Posted By Dalestr
Re: MD2030 lost of speed

The VP manual says to use Dextron 2 or 3 ATF for transmission. Don’t use anything high tech here which could cause slippage. Verify full travel of shifter cable, can try running with cable...
Forum: Engines and Propulsion Systems 25-07-2023, 17:25
Replies: 81
Views: 6,904
Posted By Dalestr
Re: Yanmar seawater exhaust bleeder plug

Your boat was built with an engine with stbd side exhaust. Your YM engine has port side exhaust. At shutdown, the water lift muffler is essentially a reservoir that collects the water coming back...
Forum: Engines and Propulsion Systems 21-07-2023, 21:53
Replies: 13
Views: 2,112
Posted By Dalestr
Re: Yanmar fuel pump leak

Any place fuel can ooze out is a potential air leak when there’s a vacuum in system due to daily thermal cycles when dormant. My Yanmar 2GM20F was oozing a bit at the gasket after 10 years so I...
Forum: Engines and Propulsion Systems 21-07-2023, 07:47
Replies: 81
Views: 6,904
Posted By Dalestr
Re: Yanmar seawater exhaust bleeder plug

Try to get alignment within .003" between the metal half couplings then reinstall Drivesaver. My 2 cents on these brake bleeder types drains is leave as designed. This has straight threaded port so...
Forum: Engines and Propulsion Systems 20-04-2023, 21:45
Replies: 27
Views: 6,208
Posted By Dalestr
Re: Volvo MD2030 - injector parts missing

The May 2020 issues of Practical Boat Owner magazine has relevant article; VP MD2030 missing precombustion chamber on just rear cylinder. Can see this online. Having cylinders being injected as...
Forum: Electrical: Batteries, Generators & Solar 25-04-2022, 12:50
Replies: 29
Views: 6,059
Posted By Dalestr
Re: Alternator and external regulator issue

You might actually like to verify that it is capable regulating the output voltage with a well-charged battery. That may require it go thru the bulk charge period (full charge) and then into...
Forum: Marine Electronics 24-04-2022, 02:35
Replies: 47
Views: 4,841
Posted By Dalestr
Re: Help: How do I wire these switches on this panel?

The circuit protection must protect the wire but also the load on boats and some loads, like bilge pumps, need targeted protection according to an article I saw. The breaker OR fuse (in many cases a...
Showing results 1 to 25 of 53
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