Posted by Highland on February 04, 2014 at 06:10:30 from (108.219.197.219):
I'm new to this Forum but I've had a 990 David Brown for 30 years. It was built in England in 1956 - at least that what it says on the tag.
I've develop a slow drip (leak) on the backside of the Injector Pump housing. It leaks when the tractor is running or when it's not. It leaks a bit more when running. I can't determine exactly where the leak is at because I can't see it.
The tractor runs ok other than the idle is higher than it should be. The main problem is that after the tractor sits for a long period of time I have to bleed the injectors to get to start.
Any help in determining the cause of the leak, and what the solution might be will be appreciated. I've not been able to find a seal/gasket kit.
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