Blower Fan?

Modern and vintage hand fired coal stove are similar to a wood stove and in some cases can burn either. They need to be regulated and fed by hand usually every 12 to 24 hours depending on your usage. They require no power to operate making them ideal for rural settings with long power outages.
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jpete
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Posts: 10586
Joined: Thu. Nov. 22, 2007 9:52 am
Hand Fed Coal Stove: Harman Mk II
Coal Size/Type: Stove, Nut, Pea
Other Heating: Dino juice
Location: Warwick, RI

Post Fri. Nov. 23, 2007 11:49 am

I seem to run through fans with some regularity. I am buying OE Harman blowers for my Mark I. Within a season or so, they start to make a "knocking" noise like they are out of balance or the bearings are going bad. Sometimes a sharp rap with a fist or a rubber mallet will quiet it down. It fits tightly to the stove so I know it's not coming from there.

Anyone have a line on a higher quality fan, or maybe someplace to have it rebuilt to better than new specs?

Thanks
Jeff
Jeff

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xackley
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Posts: 159
Joined: Sun. Oct. 07, 2007 10:57 am
Stove/Furnace Make: Leisure Line
Stove/Furnace Model: Pocono
Location: Finger Lakes, NY

Post Fri. Nov. 23, 2007 12:56 pm

Are you supposed to oil them
The guy that sold me my LL showed me where to oil the motor, and told me to do it 2 times a year.

Even new, a few drops of oil quieted the bearing noise on my stove.

NOT WD-40, 20 or 30 weight non-detergent. I read that 3-in-1 in the red can works well.

Don

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LsFarm
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Stoker Coal Boiler: Axeman Anderson 260
Hand Fed Coal Boiler: Self-built 'Big Bertha' SS Boiler
Baseburners & Antiques: Keystone 11, Art Garland
Location: Michigan

Post Fri. Nov. 23, 2007 1:18 pm

The blower or distribution fans suck up a lot of dust/pet hair/etc off the floor. This gets caught in the squirrel cage fan, causes imballances.
Take a 'Q'-tip and clean the fins of the fan, and like mentioned above a few drops of OIL, {not spray 'fix-all' [wd-40] } on the bearings, and it should last a long time.

I have a few fans that are over ten years old, and are doing fine.

Greg L

.
Burning Pea/Buckwheat through an antique stoker [semi retired SSboiler],
Running an Axeman-Anderson 260M boiler burning Pea, About 150-250#per day
Farming, Fixing, Fabricating and Flying: 'spare time' what's that?

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coaledsweat
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Joined: Fri. Oct. 27, 2006 2:05 pm
Stoker Coal Boiler: Axeman Anderson 260M
Coal Size/Type: Pea
Location: Guilford, Connecticut

Post Fri. Nov. 23, 2007 2:07 pm

LsFarm wrote:The blower or distribution fans suck up a lot of dust/pet hair/etc off the floor. This gets caught in the squirrel cage fan, causes imballances.
Take a 'Q'-tip and clean the fins of the fan
If you look close you will notice a cup shape to the fan blades. When the cup is full of caca, it can reduce the volume of air that the fan moves significantly. It can reduce that volume as much as 50-75% depending on a lot of other factors.
Nothing is impossible for people who don't have to do it themselves.

Mastiffman
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Location: Sch. County

Post Fri. Nov. 23, 2007 4:36 pm

Mine vibrates/buzzes when it's tight against the bottom of the groove that holds it. I haven't tried oiling/cleaning it yet. If I lift it a fraction of an inch with my toe the buzzing stops, and it will be quiet for a day or 2 until it vibrates itself all the way to the bottom again.
Does anyone have a diagram showing where to oil?

Steve

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Devil505
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Stove/Furnace Make: Harman
Stove/Furnace Model: TLC-2000
Location: SE Massachusetts

Post Mon. Nov. 26, 2007 5:51 pm

I have the Harman TLC2000 & was considering purchasing the Harman blower fan (for $117.00) but found that I could get my regular summer fan (
**Broken Link(s) Removed** ) to work great when I adapted it to vent througb the same stove vent that the Harman blower uses. ( in addition: it is very quiet, has 3 speeds,remote control & turn-off timer, less than 1/2 the price of the Harman blower & is a good summer fan) There are also many other blower fans that could be easily adapted at a fraction of the cost of the Harman blower.
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WNY
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Joined: Mon. Nov. 14, 2005 8:40 am
Hot Air Coal Stoker Stove: Keystoker 90K, Leisure Line Hyfire I
Coal Size/Type: Rice
Stove/Furnace Make: Keystoker, LL & CoalTrol
Stove/Furnace Model: 90K, Hyfire I, VF3000 Soon
Location: Cuba, NY
Contact:

Post Mon. Nov. 26, 2007 6:15 pm

There is normally a little "Notch" or "Rubber grommet" somewhere around the motor housing on the inside and towards the outer part.

Depending on how it is mounted, the notch/holes may be on the bottom. Therefore, you must remove the blower, OIL and run for a bit and then put it back on.

Attached pic should help on where to look. :)

Here's another source for blowers, motors,etc..
http://www.electricmotorwarehouse.com/fasco/fasco_blower.htm
Attachments
blower.jpg
blower.jpg (8.41 KiB) Viewed 3253 times
- Dave
Hyfire I & Keystoker 90K heating an 1890 Victorian
- Amsoil Authorized T1 Certified Dealer

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Dallas
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Posts: 743
Joined: Mon. Nov. 12, 2007 12:14 pm
Hand Fed Coal Stove: Modified Russo C-35
Other Heating: Oil Hot Air
Stove/Furnace Make: Russo
Stove/Furnace Model: Modified C-35
Location: NE-PA

Post Mon. Nov. 26, 2007 6:22 pm

My Russo was set up for a fan, but didn't have one. I bought a Dayton fan from Grainger, which seems to work good. I also, installed a thermostat switch in the jacket to control when the fan runs.

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WNY
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Posts: 5849
Joined: Mon. Nov. 14, 2005 8:40 am
Hot Air Coal Stoker Stove: Keystoker 90K, Leisure Line Hyfire I
Coal Size/Type: Rice
Stove/Furnace Make: Keystoker, LL & CoalTrol
Stove/Furnace Model: 90K, Hyfire I, VF3000 Soon
Location: Cuba, NY
Contact:

Post Mon. Nov. 26, 2007 6:41 pm

You can take the screen off the blower, and with and Allen (hex) wrench remove the Squirrel Cage, the blades do get full of dirt/stuff, as you can see, not sure where this stove was used before I got it, but Definitely needed a good cleaning. I probably gained 25% more airflow :)
Attachments
blower_hyfire.jpg
- Dave
Hyfire I & Keystoker 90K heating an 1890 Victorian
- Amsoil Authorized T1 Certified Dealer

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