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MustangGT

Athens, Alabama

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Posted: 08/07/12 06:35am

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I don't really understand "priming". when I hit the start button "start" on my older Onan gen (1996 or 7)the fuel pump kicks in and gas is flowing almost immediately. The carb bowl is so small, the pump would only have to run a few seconds until the venturi effect suctioned enough gas to start the gen., but I guess priming must sometimes be required or people wouldn't use it.

Mark, Jean, Paul & Lizzy (the mutt)
1997 Fleetwood Southwind Storm 34LS
Thirsty, noisy & clunky. She ain't pretty, but she sure is fun!
"Aerodynamics are for people who can't build engines." Enzo Ferrari

MustangGT

Athens, Alabama

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Posted: 08/07/12 06:39am

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finally wrote:

Maybe I'll read the manual someday but that goes against my principles.

Principles? Moderator!! Finally has principles! You may need to keep an eye on him....

PackerBacker

Montreal (Qc) Adirondacks (NY) Myrtle Beach (SC)

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Posted: 08/07/12 07:02am

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I knew about the priming function but when I finally read the manual I learned that I wasn't holding the prime function long enough the make a difference. Now I hold it about 15-20 seconds and it starts immediately with hardly any cranking.

Eric
2009 Holiday Rambler Admiral 33SFS (34' 3")
2008 Jeep Liberty - North Edition (4x4 auto)
FQCC/Camping Quebec, KOA, Good Sam, Coach-Net

G.Lewis

Boerne, TX

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Posted: 08/07/12 07:20am

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I admit this is the first time I have heard of priming the gen. Some of you don't put your year/model of motorhome in your signature so I have no reference of when this was started on m/h...I have had three over the last 20 years and never heard of or used this feature. I just push the start rocker switch and it starts....I don't think "Hoppie" has this prime thingie....

George Lewis
Boerne, TX
'99 Fleetwood Bounder 34J
Ford V10

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Posted: 08/07/12 07:24am

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On newer diesel onans this is not necessary unless you are changing the fuel filter. The start position also primes the system. Read your manual on when to use the prime position. It's not designed to be used everytime you start your genny.

bsimonds

Winnsboro, TX, USA

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Posted: 08/07/12 07:27am

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Gasoline, propane, or diesel? I would be surprised if they were all the same.

Bill Simonds
'99 Winnebago Ultimate Freedom
330HP "Yellow" motor
'94 K5 Blazer 4X4 toad

Not a Clue

Southern Ca

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Posted: 08/07/12 08:36am

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jk31668 wrote:

did not know that even tho my switch says so. how long should it be held down for?

Our rocker switch has a green light that comes on when you have held the switch down long enough. The service department actually told me about it when I was it for some warranty service.

Linda B.
Our Blog
2009 29' Fleetwood, Fiesta V10 - The Little Bus
2008 Saturn Vue (Toad)with US Gear UBS
& Demco baseplate and tow bar.
FMCA# F412985
Traveling with Robin(friend),Liz(cockapoo)&Buddee(cavalier)

Lobstah

Northeast

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Posted: 08/07/12 09:08am

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I use it whenever I've gone a week or two without running the gennie, or when it's cold.
It cuts way down on cranking time on my gas genset. Push and hold stop until the green LED in the rocker switch stops flashing and goes solid green, then push up on the switch and it starts right up.

Jim

2005 Pace Arrow 36D
Very Understanding Wife
2 Boxers
4 Cats