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Generator Maintenance #4700105
03/19/18 07:38 PM
03/19/18 07:38 PM
Joined: Apr 2014
Posts: 154
FL USA
doolah02 Offline OP
doolah02  Offline OP
Joined: Apr 2014
Posts: 154
FL USA
I was wondering how often should I exercise my generators. How long
should I let them run?

Re: Generator Maintenance [Re: doolah02] #4700109
03/19/18 07:40 PM
03/19/18 07:40 PM
Joined: Jul 2004
Posts: 12,031
Middlesex County CT
simple_gifts Offline
simple_gifts  Offline
Joined: Jul 2004
Posts: 12,031
Middlesex County CT
any hints on what type or size? 50KW diesel, 2KW hamster driven?


2004 Prius; 97K ML Syn 5W-30
2007 Yaris 71K 0w-40 Castrol
2006 B2300;130K;ALM


Was driving an ox cart; Now on the USS Enterprise
Re: Generator Maintenance [Re: doolah02] #4700125
03/19/18 07:52 PM
03/19/18 07:52 PM
Joined: Aug 2011
Posts: 3,159
n.c.
gman2304 Offline
gman2304  Offline
Joined: Aug 2011
Posts: 3,159
n.c.
Originally Posted By: doolah02
I was wondering how often should I exercise my generators. How long
should I let them run?
I have a 7,500 watt Troybilt with a 10 HP Briggs. I exercise it with a load for about an hour every 4 months or so. Ive had it for about 10 years and never had a problem. YMMV.

Re: Generator Maintenance [Re: doolah02] #4700131
03/19/18 07:57 PM
03/19/18 07:57 PM
Joined: Jan 2009
Posts: 6,205
New England
gathermewool Offline
gathermewool  Offline
Joined: Jan 2009
Posts: 6,205
New England
I run my 2kW WEN generator every few months:

1. Idle 5 min to warm up

2. Add half load for 5 min

3. Full load for 10 min

4. 5 min cool-down

5. Off

I haven't had any issues, but my genny is still pretty much a baby, since I haven't had to use it very often, luckily.


'14 Forester XT FA20DIT (Cobb Stage 1)
Edge 0W-40 + FU filter
'15 Legacy FB25 (OEM Stage, uh, neg. 7?)
Edge 0W-20 + FU filter
Re: Generator Maintenance [Re: doolah02] #4700137
03/19/18 08:02 PM
03/19/18 08:02 PM
Joined: Mar 2004
Posts: 20,758
Upstate NY
Donald Offline
Donald  Offline
Joined: Mar 2004
Posts: 20,758
Upstate NY
I would load test every 6 months. Both legs of 220v. I would run the generator dry on blue Stabil and E0 gas.

If your really serious about having a reliable generator then it would be a propane generator, not gasoline.


2015 Subaru Forester 2.5 engine/CVT
2015 Ford F250 w/Powerstroke
2016 Subaru Crosstrek CVT (wife's)
Re: Generator Maintenance [Re: doolah02] #4700141
03/19/18 08:04 PM
03/19/18 08:04 PM
Joined: Jun 2002
Posts: 1,836
Texas
Bud Offline
Bud  Offline
Joined: Jun 2002
Posts: 1,836
Texas
I run mine for 30 minutes monthly, with a load.


2016 Honda Pilot EX-L with NAV.....Mobil 1 0w20 AFE and Ultra XG7317
Re: Generator Maintenance [Re: doolah02] #4700208
03/19/18 09:11 PM
03/19/18 09:11 PM
Joined: Dec 2016
Posts: 6,258
Waco, TX
Linctex Offline
Linctex  Offline
Joined: Dec 2016
Posts: 6,258
Waco, TX
Every 6 months for 20 mins

Start, warm up, load to about 2/3 or 3/4 of running capacity (not MAX load)

Run at no load 2-3 mins

shut off fuel...... run until carb is dry.


"The evidence demands a verdict".
(Re:VOA)"it's nearly impossible to actually know the particular additives that are in there at what concentrations."
Re: Generator Maintenance [Re: doolah02] #4700353
03/20/18 05:46 AM
03/20/18 05:46 AM
Joined: Dec 2003
Posts: 908
Monroe,CT
Bambam Offline
Bambam  Offline
Joined: Dec 2003
Posts: 908
Monroe,CT
One hour load test every other month.


07 DMAX CC 4x4 ~ Synthetics in the driveline, Delo XLE 15w40 in the sump.
Dirt Bikes and a Harley for the summer!
Ski-Doo for the winter.



Re: Generator Maintenance [Re: Linctex] #4700441
03/20/18 08:12 AM
03/20/18 08:12 AM
Joined: Apr 2009
Posts: 2,933
Canada
boraticus Offline
boraticus  Offline
Joined: Apr 2009
Posts: 2,933
Canada
Originally Posted By: Linctex
Every 6 months for 20 mins

Start, warm up, load to about 2/3 or 3/4 of running capacity (not MAX load)

Run at no load 2-3 mins

shut off fuel...... run until carb is dry.



As above is likely sufficient.

I leave my Yamaha EF2000is for six months of the year for winter storage. I fill the tank, shut the air intake off, shut the fuel off and let it run until it stops to drain the carb. In the spring, I open the air to the fuel tank, turn on the fuel, give it a couple pulls and away she goes.

Re: Generator Maintenance [Re: Bambam] #4700446
03/20/18 08:20 AM
03/20/18 08:20 AM
Joined: Apr 2014
Posts: 154
FL USA
doolah02 Offline OP
doolah02  Offline OP
Joined: Apr 2014
Posts: 154
FL USA
I have a 20 year old 10 hp Briggs 5000 watt and a 10 year old Powermate 10 hp Subaru 5000 watt.
I usually run them once a month for 20 or 30 minutes.

Re: Generator Maintenance [Re: doolah02] #4701043
03/20/18 06:51 PM
03/20/18 06:51 PM
Joined: Nov 2009
Posts: 590
Wisconsin
Mr_Joe Offline
Mr_Joe  Offline
Joined: Nov 2009
Posts: 590
Wisconsin
Id want non ethanol fuel in the gassers, maybe add some stable at times too.

Re: Generator Maintenance [Re: doolah02] #4701598
03/21/18 08:45 AM
03/21/18 08:45 AM
Joined: Jul 2015
Posts: 480
Pennsylvania
Astro_Guy Offline
Astro_Guy  Offline
Joined: Jul 2015
Posts: 480
Pennsylvania
I start mine up every month or so and let it run without load for maybe 15 minutes before shutting the fuel valve and running the carburetor dry. If it doesn't get a real workout after 4-6 months, then I hook it up to the the transfer switch and run it under load for at least thirty minutes. That hasn't been a problem this winter, having used it continuously for more than four hours once this month already.


'01 Volvo V70XC, 228k, 0W-40 M1
'16 Accord, 17k, 0W-20 M1 EP
Re: Generator Maintenance [Re: doolah02] #4702069
03/21/18 03:06 PM
03/21/18 03:06 PM
Joined: Dec 2002
Posts: 4,153
The Garden State
Whimsey Offline
Whimsey  Offline
Joined: Dec 2002
Posts: 4,153
The Garden State

I purchased a new Briggs & Stratton 5500 watt Storm Responder generator in 2012, it was manufactured in 2010. About every 3 months I run it for approx 1 hour with a total 3000 watt load balanced between the 2 circuits. It runs great and produces the power needed with no issues. I installed a transfer switch and when using that I have no problem with using our tv or computers.

Whimsey

Re: Generator Maintenance [Re: Whimsey] #4702071
03/21/18 03:07 PM
03/21/18 03:07 PM
Joined: Jan 2008
Posts: 10,694
OH
SatinSilver Offline
SatinSilver  Offline
Joined: Jan 2008
Posts: 10,694
OH
Originally Posted By: Whimsey

I purchased a new Briggs & Stratton 5500 watt Storm Responder generator in 2012, it was manufactured in 2010. About every 3 months I run it for approx 1 hour with a total 3000 watt load balanced between the 2 circuits. It runs great and produces the power needed with no issues. I installed a transfer switch and when using that I have no problem with using our tv or computers.

Whimsey


About how much did that run you if you don't mind me asking kind sir gentlemen?

Re: Generator Maintenance [Re: doolah02] #4702434
03/21/18 08:05 PM
03/21/18 08:05 PM
Joined: May 2013
Posts: 679
Florida
SilverSnake Offline
SilverSnake  Offline
Joined: May 2013
Posts: 679
Florida
I have a Generac 20KW fully automatic whole house generator. It starts and runs itself once per week for 12 minutes. That is the factory default time interval and duration and I did not change it. Gets all service as specified in the manual. Must be the correct formula because it has performed flawlessly for almost 10 years. Came in particularly handy during Irma. Power was out at our house for about 45 seconds (that's the time set to auto start). It was kind of nice being the only house in the vicinity with A/C, lights, hot water, hot food, and cold beer.

Last edited by SilverSnake; 03/21/18 08:09 PM.

2016 Charger, 6.4L-485 HP (PUP 0W-40)
2017 BMW 330i, 2L-248 HP (BMW 0W-20)
2018 Jeep GC, 5.7L-360 HP (PP 5W-20)
2008 20KW Generac (Amsoil 10W-30/30)
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