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[GMCnet] What's the simplest way to change my Onan? [message #308797]

Sun, 16 October 2016 10:20

BobDunahugh

Messages: 2465
Registered: October 2010
Location: Cedar Rapids, IA

Karma: 11

Senior Member

I want to put the Onan from the burned GMC into our restored one. As one has 326 hours on it. The other has 1087 hours. I've put a lifting eye in the threaded lift point. Put an electrical plug in for the Onan white wires to the inside remote controls. I need to pull the battery wire off the starter. So are there stops on the tracks that can be removed to allow the Onan to be removed?

Bob Dunahugh

78 Royale Mouse House
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Re: [GMCnet] What's the simplest way to change my Onan? [message #308813 is a reply to message #308797]

Sun, 16 October 2016 16:16

Matt Colie

Messages: 8547
Registered: March 2007
Location: S.E. Michigan

Karma: 7

Senior Member

Bob,

Once the onan is on a hook, look for where the cross beams attach to the slides. That is where the manual says to take it apart. It works well for all but old 4kW, they are different.

Matt

BobDunahugh wrote on Sun, 16 October 2016 11:20

I want to put the Onan from the burned GMC into our restored one. As one has 326 hours on it. The other has 1087 hours. I've put a lifting eye in the threaded lift point. Put an electrical plug in for the Onan white wires to the inside remote controls. I need to pull the battery wire off the starter. So are there stops on the tracks that can be removed to allow the Onan to be removed?

Bob Dunahugh
78 Royale Mouse House

Matt & Mary Colie - Chaumière -'73 Glacier 23 - Members GMCMI, GMCGL, GMCES
Electronically Controlled Quiet Engine Cooling Fan with OE Rear Drum Brakes with Applied Control Arms
SE Michigan - Near DTW - Twixt A2 and Detroit

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Re: [GMCnet] What's the simplest way to change my Onan? [message #308818 is a reply to message #308813]

Sun, 16 October 2016 16:35

tphipps

Messages: 3005
Registered: August 2004
Location: Spanish Fort, AL

Karma: 9

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Get some help. 440 pounds of Onan iron, hanging by the eyeball is a handful.
Tom,MS II

2012 Phoenix Cruiser model 2552 KA4CSG

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Re: [GMCnet] What's the simplest way to change my Onan? [message #308820 is a reply to message #308818]

Sun, 16 October 2016 16:44

emerystora

Messages: 4442
Registered: January 2004

Karma: 13

Senior Member

Here are the common Onan specifications.

http://www.gmcmhphotos.com/photos/onan-specifications/p61538-onan-specifications.html

The weight of the 6K is listed as 436 pounds.

Emery Stora
77 Kingsley
Frederick, CO

> On Oct 16, 2016, at 3:35 PM, Thomas Phipps wrote:
>
> Get some help. 440 pounds of Onan iron, hanging by the eyeball is a handful.
> Tom,MS II
> --
> 1975 GMC Avion
> KA4CSG
>
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Re: [GMCnet] What's the simplest way to change my Onan? [message #308821 is a reply to message #308797]

Sun, 16 October 2016 16:50

A Hamilto

Messages: 4508
Registered: April 2011

Karma: 39

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BobDunahugh wrote on Sun, 16 October 2016 10:20

I want to put the Onan from the burned GMC into our restored one. As one has 326 hours on it. The other has 1087 hours. I've put a lifting eye in the threaded lift point. Put an electrical plug in for the Onan white wires to the inside remote controls. I need to pull the battery wire off the starter. So are there stops on the tracks that can be removed to allow the Onan to be removed?

Bob Dunahugh
78 Royale Mouse House

Leave the slide rails with the drawer.

Disconnect the fuel plumbing and remove the muffler. Support the Onan by the eyebolt, take the bolts out that hold the slide rails to the generator, lower the set enough to get to the electrical connections and disconnect them. Reverse to put it back.

The hard part is getting the drawer out. You don't need to do that in this case.

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Re: [GMCnet] What's the simplest way to change my Onan? [message #308845 is a reply to message #308797]

Sun, 16 October 2016 21:37

JohnL455

Messages: 4447
Registered: October 2006
Location: Woodstock, IL

Karma: 12

Senior Member

I used the Harbor Frieght engine hoist. The trick is to use a shackle between the hook and eyebolt or the crane hook will not be fully homed in the eyebolt. Thus puts undo stesses on them and is bad rigging practice. Take some weight and remove the 4 ? small bolts from the track to Onan each side. Hard part is the Burndy connections in the 1900 box back in the deep corner.

John Lebetski
Woodstock, IL
77 Eleganza II

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Re: [GMCnet] What's the simplest way to change my Onan? [message #308871 is a reply to message #308845]

Mon, 17 October 2016 09:45

midlf

Messages: 2212
Registered: July 2007
Location: SE Wisc. (Palmyra)

Karma: 1

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Use a forged eyebolt. Do not trust a formed eyebolt. If the formed one decides to unform it is bad juju.

Steve Southworth
1974 Glacier TZE064V100150 (for workin on)
1975 Transmode TZE365V100394 (parts & spares)
Palmyra WI

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