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Old 05-14-2007, 11:48 AM
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Join Date: May 2000
Location: Greenville, NC
Posts: 533
A/C recycle machine questions

I did not find answers on my search here and I did download a similar manual on the Robinair website for a model 17400. But it does not address my questions. I have an old Robinair R12 model 17400A reclaim and recycle machine (the one without a built in vacuum pump)(no recharge function). This is the red/black roll out unit with a 30 lb recycle tank.

1.)When I recycle I can see liquid refrigerant flow thru the moisture indicator for a few seconds, then it goes clear. I recycled for an hour and the moisture indicator never turns green (dry). It just stays yellow (wet) (manual says replace filter/dryer). I bought a new filter/dryer for the machine, installed and vacuumed the lines per insrtuctions. Recycled again and moisture indicator still stays yellow. Do you think I have a faulty moisture indicator? if so should I bother trying to track one down from Robinair? I feel that with a new filter/dryer it should dry the refrigerant out enough after a few hours.

2.) This robinair model does not have the air purge indicator, it has an oil drain port controlled by a hand wheel and one port to connect the yellow manifold hose for reclaiming. How/when do I purge the air? oil discharge wheel?

3.) On top of the recycle tank there is a "y" connection with a blue and red handwheel with same color hoses and then a yellow hose connection, all this connects to the machine. To recharge, I quess I disconnect all the hoses (do I need to vacuum the recycle tank? if so what connection?). When recharging I quess I connect to the blue "y" connection (gas). Is this right? Thanks
1993 Mercedes Benz 300D 2.5 205K (ex wife's)
1984 Mercedes Benz 300SD 320K (SOLD)
2004 Mercedes Benz C240 75K
1995 GMC Sierra 2WD 5.7L 188K
1983 Mercedes Benz 300SD 239K (SOLD)
1987 BMW 325i 220K (SOLD FOR SALVAGE)

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