Massey 590 transmission oil pressure problem

J

jambalini

New member
Can anyone please help me with locating the transmission oil pressure switch on my massey 590. I have a rear end oil pressure warning light on the dash and I'm trying to diagnose it. I have dropped the rear end oil, cleaned the filter behind the 3 bolt bottom plate (It was quite mucky with brake material etc,), then put new oil in, but still the light is on. Tractor lifts all OK, so I'm wondering if the pressure switch or the wiring has a fault, but I can't find it.
Any help would be greatly appreciated. thanks Andy
 
So I have an update on the oil pressure problem. So I have probably incorrectly called this pressure switch the transmission pressure switch, when I should have called it the multipower pressure switch. I still can't find it though. I have looked all down the lines which run to the filter in front of the radiator, and nothing. someone said there is some sort of check valve with a ball and spring which gets stuck behind the front right hand side panel, mine doesn't have this. The other thing I have noticed, is that the multipower warning light only comes on when the lever is on fast (Hare), and goes out in slow (Tortoise). What does that mean? Any help please.
 
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