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Old 11-09-2019, 06:48 PM
johnny quest johnny quest is offline
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Default Rtv 900. Wonít start

I havenít used it in a while and tried cranking it. It sputtered a couple times but would not start. I chalked it up to fuel and drained the tank and filled it with new fuel, changed filter, hooked it back up and nothing!!! So I figure it needs priming now and loosen the nut on the injector pump so I could crank it till fuel came out. No fuel!!! So I take the line from the out side of the fuel pump going to the injector pump and crank it. No fuel. This is an 08 model with 978hours on it.. I checked the fuel shutoff solenoid and itís sloppy but works. ( bought new one but not here yet ). I open the shutoff manually still no fuel. I have heard itís rare but the mechanical pump can go out.
Iím about out of options at this point.
Suggestions please.
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Old 11-09-2019, 08:46 PM
aurthuritis aurthuritis is offline
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i'll bet there is a little bit of something in one of the check valves in the primary fuel pump. take it off and seperate the halves to check the diaphragm and the valves.
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Old 11-09-2019, 09:04 PM
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Arthuritis knows his stuff . I'd have done what you've already checked off and then I'd follow up with his suggestions. Good Luck and welcome to the forum - wish it was under better circumstances though. bordercollie
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Old 11-09-2019, 09:53 PM
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you might try just a little compressed air back from the supply line on the injection pump into the fuel tank just to make sure there isn't an obstruction in the line. make sure you loosen the fuel cap so you don't ruin your tank.
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Old 11-09-2019, 09:55 PM
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Quote:
Originally Posted by bordercollie View Post
Arthuritis knows his stuff . I'd have done what you've already checked off and then I'd follow up with his suggestions. Good Luck and welcome to the forum - wish it was under better circumstances though. bordercollie
Thanks Collie. your confidence makes me blush
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Old 11-09-2019, 10:07 PM
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Just stating the facts my friend . collie
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Old 11-10-2019, 08:17 AM
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Thanks. I’ll give her a shot. I bought a new fuel pump as well. And a low pressure electric pump just in case.
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Old 11-10-2019, 08:43 AM
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I have a lot of fun in this machine, but Iíve been building my ranch house on the weekends by myself for the last 2 years. So it has just sat. I started it every month or so and it ran fine. Just this time it didnít even give a good chugalug. Sputtered once or twice then blank.
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Old 11-10-2019, 08:54 AM
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Short across the neutral safety switch and see what happens>>>???
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Old 11-10-2019, 08:56 AM
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it probably lost it's prime. before i started taking things apart i would first blow a little comprssed air backwards into the fuel tank and then very carefully just a few ounces of pressure in the fuel tank by holding your hand over the fill hole and applying just a little air to push fuel into the lines and fuel pump. them with the supply line disconnected from the IP crank the engine to see if the primary pump has primed and is capable of supplying fuel.
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Old 11-10-2019, 09:52 AM
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Ok I blew air thru tank and it came out the hose on the out side of the pump. But when I crank it none comes out. Iím guessing pump is bad and needs solenoid just because I have it coming. Iím going to drain the oil and change it in case any got in crankcase by chance also. Waiting on parts.
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Old 11-10-2019, 12:19 PM
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when you say fuel came out of the hose on the outside of the pump. are you saying it came out of the primary pump or the injection pump??? very important we are on the same page?
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Old 11-10-2019, 02:19 PM
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It came out the primary pump I unhooked it from the injector pump.
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Old 11-10-2019, 03:56 PM
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I hope I ainít screwed anything up. I just saw the price on a rebuilt injection pump. Talk to me.
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Old 11-10-2019, 05:55 PM
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naw your fine. let it soak with that fuel in it and repeat. sounds to me like there is a check valve gummed in the primary pump. fresh fuel just mite disolve the gum.
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