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Re: TIB (TSB) Caterpillar Trks-Photos-Desiccant Beads, Microns
Posted to HVAC Forum on 6/3/2024 1 Reply

I like the note. Use minerial oil on O-rings. Not pag.

I have read the same in the past and stuck to it.

Many instructions I see today say to use pag oil on the O-rings. I never have. I have o-ring lube in a small bottle. And a quart of minerial oil. Just ... Login to read more.

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