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#4597213 - 12/07/17 02:44 PM Coleman Powermate
2009Edge Offline


Registered: 06/10/09
Posts: 247
Loc: Texas
I just got a Coleman Powermate 5000w generator at an estate sale. Never used, no smell of gas in the tank, no oil in crankcase. The only missing piece is the engine manual. It has a 10 HP Tecumseh with cast-iron cylinder sleeve. Need to know what oil to use and weight.
I'm thinking of using Amsoil 10W-30 Synthetic, 4 stroke Small Engine oil.
An engine manual in PDF would be most helpful.

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#4597221 - 12/07/17 02:52 PM Re: Coleman Powermate [Re: 2009Edge]
Blueskies123 Offline


Registered: 02/17/13
Posts: 288
Loc: FL USA
Google is your friend.

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#4597222 - 12/07/17 02:52 PM Re: Coleman Powermate [Re: 2009Edge]
Donald Offline


Registered: 03/21/04
Posts: 20457
Loc: Upstate NY
That should be fine. I have a similar generator.

If it runs but does not put out electricity you will need to "excite" it.

The oil screw dipstick is unscrewed wiped off and stuck in the hole but not screwed to measure oil level.

I have a larger Winco propane generator I use now.


Edited by Donald (12/07/17 02:54 PM)
_________________________
2015 Subaru Forester 2.5 engine/CVT
2015 Ford F250 w/Powerstroke
2016 Subaru Crosstrek CVT (wife's)


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#4597225 - 12/07/17 02:54 PM Re: Coleman Powermate [Re: 2009Edge]
mattwithcats Offline


Registered: 06/13/13
Posts: 1659
Loc: Virginia
Any 5W-30 or 10W-30 will work.

I suggest Shell Rotella T5 in 10W-30, good cheap, stout, semi synthetic...

Check the spark plug, some really poor quality Chinese clone plugs are being used these days.
I suggest an NGK....
_________________________
2009 Smart Pure
Pennzoil Platinum Euro 0W-40, Purolator Synthetic PSL 14610, 45 mpg...
185/55R15 General HP tires, "H" speed rated, 44 psi (300 kpa)

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#4597227 - 12/07/17 02:56 PM Re: Coleman Powermate [Re: Donald]
2009Edge Offline


Registered: 06/10/09
Posts: 247
Loc: Texas
How do i.e. "Excite" it?


Originally Posted By: Donald
That should be fine. I have a similar generator.

If it runs but does not put out electricity you will need to "excite" it.

The oil screw dipstick is unscrewed wiped off and stuck in the hole but not screwed to measure oil level.

I have a larger Winco propane generator I use now.

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#4597244 - 12/07/17 03:14 PM Re: Coleman Powermate [Re: 2009Edge]
NateDN10 Offline


Registered: 01/10/10
Posts: 1735
Loc: Rochester, NY
Originally Posted By: 2009Edge
How do i.e. "Excite" it?

First you need to find a lady generator...

Just kidding. Once again, Google is your friend.
https://www.hunker.com/12606720/how-to-remagnetize-an-electric-generator
_________________________
2016 Mazda3 - 15,000 mi.
2011 Toyota Sienna - 91,000 mi.

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#4597273 - 12/07/17 03:50 PM Re: Coleman Powermate [Re: 2009Edge]
Linctex Offline


Registered: 12/31/16
Posts: 6148
Loc: Waco, TX
Straight 30 Rotella or any 15W-40 HDEO will be fine with that engine for many, many years.
_________________________
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(Re:VOA)"it's nearly impossible to actually know the particular additives that are in there at what concentrations."

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#4597274 - 12/07/17 03:51 PM Re: Coleman Powermate [Re: mattwithcats]
Linctex Offline


Registered: 12/31/16
Posts: 6148
Loc: Waco, TX
Originally Posted By: mattwithcats

Check the spark plug, some really poor quality Chinese clone plugs are being used these days.
I suggest an NGK....


Tecumseh hasn't been around for a while - it most likely has a factory installed Champion plug.
_________________________
"The evidence demands a verdict".
(Re:VOA)"it's nearly impossible to actually know the particular additives that are in there at what concentrations."

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#4597275 - 12/07/17 03:54 PM Re: Coleman Powermate [Re: NateDN10]
Linctex Offline


Registered: 12/31/16
Posts: 6148
Loc: Waco, TX
Originally Posted By: NateDN10

First you need to find a lady generator...
Just kidding. Once again, Google is your friend.
https://www.hunker.com/12606720/how-to-remagnetize-an-electric-generator


That is the most dangerous way I have seen it explained.... do not use two drills together!!!

Just hold the trigger and spin the chuck briefly by hand - but ONLY IF IT NEEDS IT.
_________________________
"The evidence demands a verdict".
(Re:VOA)"it's nearly impossible to actually know the particular additives that are in there at what concentrations."

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#4597294 - 12/07/17 04:37 PM Re: Coleman Powermate [Re: 2009Edge]
tig1 Offline


Registered: 01/03/09
Posts: 13661
Loc: Illinois
I have a 5KW Power Mate that's 10 years old with the Subaru engine and I use M1 10-30. Works very well.
_________________________
2007 Ford Fusion 227,000 miles
M1 0-20 EP
2017 Ford Fusion 49K
M1 0-20 EP
10,000 mile OCIs on both engines
M1 ATF and MC LV
M1 10-30 in all OPE
MC filters


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#4597303 - 12/07/17 04:48 PM Re: Coleman Powermate [Re: 2009Edge]
JohnnyJohnson Offline


Registered: 10/22/09
Posts: 2745
Loc: Wet side WA
Were you going to get your replacement Tecumseh parts?
_________________________
2004 Toyota Corolla 121707
Out: QSUD 5W-30 Purolator One 5030
In: Valvoline ML 5w-30 TG4967 117530 2-8-18
2006 Duramax 74047
Out: T6 5W-40 M1-303
In: T6 5W-40 XG9100 73752 4-22-18

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#4597308 - 12/07/17 04:54 PM Re: Coleman Powermate [Re: 2009Edge]
JTK Offline


Registered: 08/14/03
Posts: 10584
Loc: Buffalo, NY
^ Yes, parts are getting scarce for Tecumseh.

To the OP, like said, there should be some Coleman p/n's on the machine that you could Google. The engine will have it's own part number which will lead to lots of info too.
_________________________
2017 Ram 1500 4x4, 3.6L. 2016 Nissan Quest SV (Babe magnet IV)

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#4597338 - 12/07/17 05:31 PM Re: Coleman Powermate [Re: 2009Edge]
JimPghPA Offline


Registered: 08/22/09
Posts: 3859
Loc: Pittsburgh,PA U.S.A.
I have the same generator, and have had it for several years. There are a few things I have learned from using it, and also from others here on BITOG.

First off, these generators are extremely noisy. A good saying about how noisy they are is that they are noisy enough to wake the dead. Do not even think of running it without ear protection such as ear plugs. You can buy ear plugs at Harbor Freight.

As for oil, for the very hot summers, and not very cold winters of Texas the best oil for an air cooled engine like your Tecumseh would be Mobil 15W-50 . You want the 50 weight for the hot summer days that can get above 100 degrees Fahrenheit, and the 15W will provide good cold weather starts for the not too cold winter days of Texas. If you can't find Mobil 15W-50 then use Mobil 20W-50 V-Twin motorcycle oil.

Here on BITOG there is a member who goes by Cujet who lives in Florida and he has posted that several of his neighbors had their air cooled engines destroyed by not using a good enough oil on hot Florida days.

I added a car muffler to mine. Installing it is quite a project. There are standard pipe threads built into the exhaust port that you can thread standard pipe into once you remove the muffler. The engine vibrates a lot and the first thing you should add to the threaded pipe is a flexible piece of pipe like the type that is available from McMaster-Carr.

I got the car muffler from Advance Auto Parts. It has a heat shield welded to it, and I welded some flat bars to the heat shield to mount the muffler to the bolts that hold the electric section together.

Even with the car muffler added to it, it is still too noisy to be around when it is running without ear protection. With the car muffler it sounded just as noisy when I was around it, but when you are inside your hours with the generator running on a cord 50 feet long so it is 45 feet from the house, there is a big difference with the car muffler. With the original muffler the generator was considered noisy in the house. With the car muffler the generator is only a mild hum when inside the house.

The black rubber circular gasket for the carburetor bowl tends to dry out and loose ability to seal. You can order additional bowl gaskets online from parts-tree. When this gasket goes bad the engine will idle rough and it my require the choke to be partly on in order to get it to run smoothly when there is no load applied to it.

It is a good idea to add an inline fuel filter on the hose between the gas-tank and the carburetor. A clear plastic fuel filter will let you see if it becomes clogged.
_________________________
Boy will I be happy when ALL vehicles on public roads are autonomous.


JimPghPa


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#4597365 - 12/07/17 05:56 PM Re: Coleman Powermate [Re: 2009Edge]
Donald Offline


Registered: 03/21/04
Posts: 20457
Loc: Upstate NY
And of course the generator needs to be in an open outside area with no nearby windows open. A CO detector is also a good idea. I like the ones with LED readout that tell you how much CO in addition to setting off alarm.
_________________________
2015 Subaru Forester 2.5 engine/CVT
2015 Ford F250 w/Powerstroke
2016 Subaru Crosstrek CVT (wife's)


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#4597412 - 12/07/17 06:51 PM Re: Coleman Powermate [Re: 2009Edge]
JimPghPA Offline


Registered: 08/22/09
Posts: 3859
Loc: Pittsburgh,PA U.S.A.
A person who works on generators for a living told me that these generators come from the factory set up to run too fast. The correct RPMs is 3600 to produce 60 Cycles per second AC. He said that running faster than 3600 rpms is hard on these engines and can cause them to self-destruct. It is smart to set them to 3600 RPMs which is 60 cycles per second AC.

You can measure the frequency of the AC sine wave and set the governor to of the engine so as to provide 60 cycles per second. Load the generator with approximately half of full load when making that adjustment. Measure the AC frequency with a frequency meter and a resistor divider to divide the 120 VAC rms to 5 Volts peak, keeping in mind that 120 VAC rms is 169 Volts peak. Another way to measure the 60 cycle frequency is to use a clock with a second hand that runs on 120 Volts AC. Compare the second hand to a watch with a second hand. If the clock is fast the frequency is fast, and if the clock is slow the frequency is slow.


Edited by JimPghPA (12/07/17 06:56 PM)
_________________________
Boy will I be happy when ALL vehicles on public roads are autonomous.


JimPghPa


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