Technical Tips > Electrical-Electronics-Air-Lighting-Guages-Security-Vacuum

A/C was R12 then R134a - now what Hychill 30.

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Scott:
The curse of being handy. (or competent)

Vettech:
Incompetent is probably more correct.
Anyway Beamer needs new radiator, problem with cars with plastic radiator tanks, anyway a glue job should get me down to JENSENS.

Reset the vett, A/c working, put more gas in, went for a drive down to Picton. A/c worked fine.

See attatched pic.

BUT on way home A/c went off, once again exhibiting short cycling, indicitive of low gas, but gas is O K.

At approx time of failure went over a series of hard road join bump type thingo's.  Ummmm 7km down the road after more bumps, I reset A/c and its fine.

Ummmm if it detects low gas, then it must be sucking down too far, maybe the bumps have dislodged muck into the Orific Tube, causes blockage.

Umm may have to bight the bullit, and open the system, chuck the Orific tube and replace it, flush the Evap with solvent.
Solvent is expensive, so maybe I'll relent and pay some one to do it.

 :grr:

MY081:
Picton should have called in . Free Beer !!!!

Vettech:
Thought of you !

Now you tell me......

Vettech:
Suspect Orifice Tube, so I degasses, found it, got it out.

See pic below.

Hard to tell colour, the colour means that the tube thru the centre approx where the "O ring" is located will have an Orifice.

Five sizes from 0.047 thru to 0.067"  This looks black from the Oil and aluminium discolouration.

Not as much gunk as I hoped, but out now, so in with a new one.

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