Posted by pete 23 on February 10, 2021 at 09:36:44 from (173.84.78.184):
In Reply to: Re: Diesel run a way posted by The tractor vet on February 10, 2021 at 07:44:26:
Tractor Vet. You sure have led an interesting life. I can't compete with all those experiences.
My brother in law loaned his 1486 to a friend and the engine ran away. Guy tried to shut it off standing right along side the injection pump. Jumped back into the cab and a rod came out the side, knocked the injection pump off so that stopped the commotion.
When I took the pump apart I found that little check valve that was in the return elbow on side of pump had come out of elbow, went back into pump and it lodged under the control sleeve in the pump.
I had already been changing those elbows to the ones with no check valve and only a simple orifice but his tractor had not been in shop since I started doing that. Co. had sent out a letter advising the replacement of that check valve.
I had one 560 start to run away on me but that pump has the shut off lever so just pulling that shut it down. I had misadjusted the length of the governor linkage to metering valve. Other end of link had not been in the slot in the governor sleeve. My mistake.
Later in life and hopefully smarter, I would temperarily mount those roosa master pumps, after repair, to side of frame, hook up fuel and turn the pump with the old speed handle tool. This way pump was full of fuel, knew it pumped and shut off and did not take much cranking to start engine after installing.
Many a Roosa Master pumps have been damaged upon installation due to not tying the throttle back to hold governor weights and sleeve in position. Another one of my brother in laws worked at a dealer and the mechanic did it to two pumps on same tractor.
No rack in a Roosa Master and likely no turbo but never know for sure as it could have been added.
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