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Tinbangertom

Ottawa, Canada

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Posted: 02/23/20 04:46pm Link  |  Quote  |  Print  |  Notify Moderator

Hi all my black tank cable releases easy at times but then there are other times it won't release its in a really bad spot but was wondering if it need lubrication? thx all


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Lwiddis

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Posted: 02/23/20 06:00pm Link  |  Quote  |  Print  |  Notify Moderator

Yes, lubricant!


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ACZL

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Posted: 02/24/20 12:29am Link  |  Quote  |  Print  |  Notify Moderator

I keep a can of WD-40 in basement right next to DC and spray all 2 cables often.


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Tinbangertom

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Posted: 02/24/20 06:50am Link  |  Quote  |  Print  |  Notify Moderator

Assuming you guys are talking about the blast gate and steel cable, the cable itself looks to be about 15' long and coated not very accessable!

joebedford

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Posted: 02/24/20 07:31am Link  |  Quote  |  Print  |  Notify Moderator

The cable should have the length stenciled on the side - e.g. 96

ndrorder

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Posted: 02/24/20 11:16am Link  |  Quote  |  Print  |  Notify Moderator

Cable lube'rs for motorcycles and bicycles work well. Once lubed, it will become a routine maintenance item as the lube attracts dust.

If resistance comes and goes, more a case of gaskets sticking on the guillotine valve blade or cable being bound at certain times like slide open or closed.


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laknox

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Posted: 02/24/20 01:53pm Link  |  Quote  |  Print  |  Notify Moderator

ndrorder wrote:

Cable lube'rs for motorcycles and bicycles work well. Once lubed, it will become a routine maintenance item as the lube attracts dust.

If resistance comes and goes, more a case of gaskets sticking on the guillotine valve blade or cable being bound at certain times like slide open or closed.


There are "dry" lubes that won't attract dust.

Lyle


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keymastr

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Posted: 02/25/20 09:12am Link  |  Quote  |  Print  |  Notify Moderator

Get metal pull rods and keep the valve itself lubed. Often if you do not use the black tank flush you will get TP or other stuff pushed into the valve seat by the knife blade and that may be what is causing the stiffness at times.

Dave H M

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Posted: 02/27/20 06:41am Link  |  Quote  |  Print  |  Notify Moderator

apparently the cable and valve is accessible as you describe it.

Why not go on amazon, get a new assy install and be done with it?

C Schomer

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Posted: 02/29/20 03:06am Link  |  Quote  |  Print  |  Notify Moderator

I had to replace my black valve a few years ago cuz it wouldn't close. I removed the old one and everything was completely clean but something around the stem, inside the bonnet, jammed that sucker. It opened fine but was a bear to close. Some guys put a grease zerk on the bonnet. The cable was very free but I'm guessing there's an o-ring or some sort of seal in the bonnet that wore and rolled and jammed the stem. Craig

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