Charge: r134a 0.90oz. how?

[KB Cool]

Those things hit the wall a few years ago when they stopped using copeland comp.

Well, the one i worked on yesterday had a techumseh. I don't think this was ever worked on it's entire life and to my dismay the suction stub on the compressor was kinked. Can't they do a better job piping. And the braze joints are just average. I expect pro welds!

[coolperfect]

Move everything,the water cooler, the drum of 134 ,everything into a freezer that is -15f.use a medical syringe to add the proper charge!

[hvac wiz 79]

About as accurate as trying to charge a package unit by weight from a cylinder still in a pallet on a fork lift that's on a platform scale. That is, using the reading from the platform scale.

I don't understand the comparison lol

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[cy]

Yellow Jacket Accu charge or Robinair Dial-a-charge heated charging cylinder should work fine.

this Accu charge for R134 has 1/4 oz for each mark. some come with 1/8 oz markings.

[ICanHas]

I don't understand the comparison lol

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My point is that you can never get accurate weighing using the least significant count on a scale.

Big truck scales reads to 20 lbs or so. If the spec calls for 75.00 lbs, you wouldn't use that scale to weigh in 75 lb by calling "when the scale reads 80" adequate.