waste tank drain valve control cable

neilandnanci

Active Member
The drain valves on my tanks are difficult to operate. I belive the linkage neds to be lubricated.
How is this done?
 

danemayer

Well-known member
Hi Neil and Nanci,

The difficulty is likely in the blade traveling in the valve assembly. Try dissolving a cup of Calgon Water Softener in hot water and adding to a couple of gallons of water in each tank. Drive around for a few miles to mix it up. Then push and pull the handle a few times while dumping the tank. On the black tank, before doing this, make sure there's no waste material in the tank.
 
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