PE 95 G will not turn over.

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matt506
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PE 95 G will not turn over.

Post by matt506 » Mon Sep 18, 2017 3:46 pm

Ok
I spent over a year and half rebuilding this thing with totally rebuilt motor,wiring, frame, dash, and even rebuilt the original shipping crate. Was getting it ready and turning over with new gas and all of a sudden the generator will not turn the motor over. Checked all of the dash out and i have power going to the Gen. My fear is that the gen went bad. If so I am going to part this think out to recoup my money back for my GPW or WLA. Any ideas before I go that route? Matt
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SFC Matt Miller, "ALLONS"
4-42 GPW,
4-45 MB,
4-43 MBT,
4-43 WLA
"Find The Bastards and Pile On" 11th ACR 87-94

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Re: PE 95 G will not turn over.

Post by pittsjock » Mon Sep 18, 2017 4:12 pm

I think you need to step back here and take a big deep breath. The generator looks great!

1. Has the motor run since it was rebuilt? From the rust around the head and water pump, I assume yes.

2. Can you turn the motor over with the hand crank?

Your problem sounds mostly likely to be electrical - bad deadman's switch or the like, but one step at a time.

Patrick
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1969 M274A2 Mule
Peoples Republic of New Jersey

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Re: PE 95 G will not turn over.

Post by Adam » Tue Sep 19, 2017 5:19 am

Nice unit, shame to part her out, Sell the WLA, to me! You have a lot of work in her.Sit back, have a beer or two, tomorrow is another day.

To crank this over, its only voltage going into the generator, through some coils and brushes then to ground. Is there power going into the generator section, is a brush stuck? did a wire burn off generator? Surely after doing all the work on this, another day or two fiddeling with her wont hurt.

I have coils and brushes and all those used parts if you are in a jam. Do you have a schematic?

You can always bolt on a jeep starter if you need to cheat.

Adam

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Re: PE 95 G will not turn over.

Post by matt506 » Tue Sep 19, 2017 1:52 pm

Patrick, Adam,
thanks for the reply. I have sat on this since June but yes I will not part out as of now. I have power going from the terminal under the dash into the generator but never thought of brushes or such. Will try tonight. I am a very good Mechanic but anything more than simple electronics I am not good with. If this does not work I will try the remote Jeep starter just to get the motor broke in.
The motor turns over pretty good with the hand crank.
The motor never ran but after a week antifreeze started leaking out from the head gasket. I replaced it and again started leaking through it, not over or under actually through it.? I drained it for now but not sure whats going on.
What is a dead man switch? Matt
SFC Matt Miller, "ALLONS"
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4-43 WLA
"Find The Bastards and Pile On" 11th ACR 87-94

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Re: PE 95 G will not turn over.

Post by matt506 » Tue Sep 19, 2017 3:56 pm

Adam,
yes I have the one inside the dash and I have a 1944 Manual.
SFC Matt Miller, "ALLONS"
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"Find The Bastards and Pile On" 11th ACR 87-94


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Re: PE 95 G will not turn over.

Post by pittsjock » Tue Sep 19, 2017 5:15 pm

There are several safety switches on the PE 95 - I am calling them, maybe incorrectly "deadman's switches" because they will cause the generator to shut down if it overheats or if the oil pressure falls too low. In reality, deadman's switches are typically tied to a human and stop a train, elevator, etc. if the human operator ceases to take some action. Think foot pedals on scissor lifts.

What did you do to the electrical system?

Did you replace the wiring?

Has the starter function worked since you replaced the wiring?

Patrick
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Re: PE 95 G will not turn over.

Post by matt506 » Tue Sep 19, 2017 7:38 pm

Patrick,
I did replace and or cleaned tested all wires except the mains going in and out of the Generator part. The generator turned over and cranked the motor many times until it just quit. At first I figured the starter relay off the battery went bad as it got pretty hot a few times. but it tested out ok. I still need to get into the gen and test pawer to and from and check the brushes. At this time the start relay switch with the multiple contacts mounted on the dash was bad but I just jumped that and physically pressed on it to turn over ten. Matt
SFC Matt Miller, "ALLONS"
4-42 GPW,
4-45 MB,
4-43 MBT,
4-43 WLA
"Find The Bastards and Pile On" 11th ACR 87-94

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Re: PE 95 G will not turn over.

Post by pittsjock » Thu Sep 21, 2017 4:37 am

Matt:

Sounds like a switch or a loose wire or something. Start on one end and work through to the other. It is frustrating now, but sure will be satisfying when you get it fixed ;-)

Good luck, Patrick
Patrick
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Re: PE 95 G will not turn over.

Post by 17thAirborne » Thu Sep 21, 2017 6:35 am

Superb work! Wish I could help trouble shoot, but my aim is bad :shock:
Oz

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Re: PE 95 G will not turn over.

Post by GreyWulf » Thu Sep 21, 2017 6:41 pm

Have you tried a direct solenoid start. 95s have a push button on the solenoid to directly start/bypass the panel. I'd disconnect the temp and oil shut downs and try this. Make sure all connections are tight on your exciter too. This looks too good the part out. Too many jeep guys gut these things. Jeeps are a dime a dozen. 95s are just as cool. I have one and would love to have hi def pics of yours.
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1943 PE-49F
1943 PE-75AC
1943 PE-77E
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matt506
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Re: PE 95 G will not turn over.

Post by matt506 » Sat Sep 30, 2017 10:16 pm

Ok I did run through the button on the solenoid and when pushed I get power all the way through the system up to the armature brushes. The power looks less as the test light does not glow quit as bright as it does right off the battery. Here are my last checks,
1 Test battery for low amp put out
2 Cut insulation on generator armature in case of a bridge?
3 Possible bad armature.

All I can thick of, I will start cheapest and go up.
SFC Matt Miller, "ALLONS"
4-42 GPW,
4-45 MB,
4-43 MBT,
4-43 WLA
"Find The Bastards and Pile On" 11th ACR 87-94

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Re: PE 95 G will not turn over.

Post by artificer » Sun Oct 01, 2017 1:58 am

I don't have an answer to your issue.
But head gaskets will weep until the engine heats up. If not starting or able to start, drain coolant down to be below the top of the engine block.
John GIBBINS Member Institute of Automotive Mechanical Engineers [Ret], ASE Master Medium/Heavy Truck & Auto Technician USA -2002 Licensed Motor Mech NSW MVIC 49593 Current 2015
TO DIAGNOSE, TROUBLESHOOT OR FAULT FIND ANY AUTO SYSTEM....
Understand how system parts interact with one another. GOOD parts can then be established & the NOT GOOD problem/s part/s isolated for repair or replacement.

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Re: PE 95 G will not turn over.

Post by matt506 » Mon Oct 09, 2017 6:47 pm

Thanks John, thats what I did. it now will keep from rusting up the valves and cylinders till I get her going.
SFC Matt Miller, "ALLONS"
4-42 GPW,
4-45 MB,
4-43 MBT,
4-43 WLA
"Find The Bastards and Pile On" 11th ACR 87-94

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Re: PE 95 G will not turn over.

Post by Adam » Mon Oct 09, 2017 7:16 pm

Matt, where are you at with this?

just looked at one last week, reminded me of your unit.

Your battery is 12 volts or 13.5 if you want to get technical. Does the voltage go down way low when you try to crank it. any of the wires hot or smoking there? batteries sound like they are boiling?

if you traced the big wire from the solenoid it goes into the 4 windings ( series and shunt fields) in the small stator at the end of the generator section, then a wire comes out from there to 2 of the brushes 180 degrees apart, the other 2 brushes go right to ground. I see only 1 ground spot for both brushes, maybe this wire is bad, Not really concerned about the slip ring brushes,

You can take the end of the genset apart if you need look close, only a few wires and bolts.

Adam

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