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05-12-2015, 02:58 PM
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#1
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New Member
Join Date: May 2015
Location: Beaverton
Posts: 1
M.O.C. #17398
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Very difficult dump and grey tank Valves
extremely difficult to open. Afraid I'll break something. Suggestions?
2011 Montana 3000RK
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05-12-2015, 03:06 PM
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#2
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Montana Master
Join Date: Sep 2013
Location: Pensacola (mail forward service)
Posts: 3,198
M.O.C. #13740
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Spray silicon fluid up the cables...lots of it. Let it sit for a bit, then pull. Should get easier. You have to take the handle off to get fluid into the cable. You may have to take cable out of its hole in the convenience center and elevate the end to get the fluid in. It is a long cable...spray, spray, spray. John
__________________
2012 F350 6.7 L dually, 2013 3800RE with 6 pt leveling, Sumitomo 17.5" load range h tires, Samsung 18 cu ft residential fridge, 8k Morryde I.S. with disc brakes. Full timing since 2012.
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05-12-2015, 03:55 PM
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#3
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Montana Master
Join Date: Feb 2012
Location: Lake Gaston
Posts: 8,773
M.O.C. #12156
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Had the same problem. Silicon did not help. Dropped the belly and found long cables with excessive loops and kinks. Had to reroute.
__________________
Mike and Lorraine
2002 3655 FL, 2005 3650RK
2010 3665RE, 2015 3910FB
F350 crew cab dually 6.7
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05-13-2015, 01:40 AM
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#4
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Montana Fan
Join Date: Dec 2005
Location: Grain valley
Posts: 356
M.O.C. #5098
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I had the same problem on my black tank valve. Have been using the valve lubricant sold at RV stores and it is working. In my case I don't think the problem was in the cable but in the valve body.
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05-13-2015, 11:35 AM
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#5
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Montana Fan
Join Date: Feb 2009
Location: Redlands
Posts: 460
M.O.C. #9135
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We had a problem with ours when we bought it also. The dealer ended up replacing the valves under warranty.
__________________
2011 3150RL
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05-15-2015, 06:41 AM
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#6
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Montana Master
Join Date: Dec 2005
Location: Eugene
Posts: 1,053
M.O.C. #5091
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I also have a 3000RK and the galley valve takes 2 hands to open or close. That was after having galley tank replaced in 2012. Tank started leaking again, so I am having galley tank replaced again. Hope the valve opens easier this time. Told tech I had problem opening and closing valve so we will see if this is remedied.
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05-16-2015, 04:05 AM
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#7
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Montana Fan
Join Date: Jul 2013
Location: Glendale
Posts: 192
M.O.C. #13649
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Had the same problem, execpt the cable broke off. It was still under warranty.
Better now. I spray silicone and put valve lubricant in the tank.
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05-16-2015, 04:46 AM
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#8
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Montana Master
Join Date: Jan 2005
Location: North Ridgeville
Posts: 20,229
M.O.C. #2839
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We are having the cables replaced when the replace our two failed tanks.
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05-16-2015, 05:46 AM
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#9
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Montana Master
Join Date: Oct 2009
Location: Navarre
Posts: 1,527
M.O.C. #9765
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Both were extremely hard to open/close. Black tank replaced with new valve assy. DW liked and wanted grey the same. Ordered valve assy and installed, piece of cake once belly cover down. Checked old assy out and found it GUNKED UP. Cleaned it up and lubed, now have spare. BTW, always lubed cables. Piano wire inside sleeve should not cause problems.
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05-19-2015, 02:05 PM
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#10
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Montana Master
Join Date: Mar 2007
Location:
Posts: 2,156
M.O.C. #6920
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Replaced under ext. warranty. Was told to use about a cup of vegetable oil, dump in affected tank, let sit about 24 hrs then drain. That supposedly lubricate the valve sys.?? Not sure if that will work though.
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