180d power director

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I mowed pastures for 4-5 hours yesterday. When driving to the fields I used both high and low range on the PD and everything worked fine. Finished mowing and going thru a gate I shifted to low range and nothing, put it back in high range and everything worked fine. Drove on the road to the house and shifted to low range for the driveway and nothing again. Went out this morning and with cold fluid low range worked fine again. My first thought was that it has something to do with the fluid viscosity. This  has never happened before and I didn't run the tractor long enough to warm up the fluid to see if it would do it again. Did check fluid level and it is full. Any ideas on where to look if it continues?

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ksbowman Members Profile Send Private Message Find Members Posts Add to Buddy List Silver Level Joined: 19 Mar 2013 Location: Paola, Ks Points: 228	Post Options Post Reply Quote ksbowman Report Post Thanks(0) Quote Reply Topic: 180d power director Posted: 21 Apr 2018 at 5:19pm
	I mowed pastures for 4-5 hours yesterday. When driving to the fields I used both high and low range on the PD and everything worked fine. Finished mowing and going thru a gate I shifted to low range and nothing, put it back in high range and everything worked fine. Drove on the road to the house and shifted to low range for the driveway and nothing again. Went out this morning and with cold fluid low range worked fine again. My first thought was that it has something to do with the fluid viscosity. This has never happened before and I didn't run the tractor long enough to warm up the fluid to see if it would do it again. Did check fluid level and it is full. Any ideas on where to look if it continues?

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DrAllis Members Profile Send Private Message Find Members Posts Add to Buddy List Orange Level Access Joined: 12 Sep 2009 Points: 22010	Post Options Post Reply Quote DrAllis Report Post Thanks(0) Quote Reply Posted: 21 Apr 2018 at 7:00pm
	A 500 psi pressure gauge is your friend. Connect it to the low range port under the platform and check the pressure when it acts up. Memory says it should be around 250 psi when throttled up and it should be the same as high side.