View Full Version : Semi-Hermetic compressors
bernard
26-11-2005, 02:14 PM
Hi
While changing some unloader valves I noticed oil pooled on top of some of the pistons.How much is acceptable if any.
Regards Bernard.
chemi-cool
26-11-2005, 08:14 PM
Hi Bernard.
There are always small oil quantities on the pistons.
If liquid is pulled into the crankcase, then it washes the oil out through the discharge.
Chemi:)
bernard
26-11-2005, 08:32 PM
Thanks chemi
If I did a complete oil change on a pack and filled the compressors up to 3/4 on the sight glasses and the reciever.Would this be the correct amount.
Thankyou Bernard
Snowman123
27-11-2005, 12:49 AM
Sounds fine but watch out for carrier comps they like 1/4 full sight glass. Most comps copeland etc are 1/2 to 3/4 full. :)
Toosh
27-11-2005, 09:52 AM
How true Snowman and yes i am new to the to this site and hello:D to everyone
chemi-cool
27-11-2005, 06:13 PM
Hi Bernard,
When you change oil in a compressor, measure the amount you took out, fill up the same amount unless it was low before.
Always remember to clean the oil filter as well.
Chemi:)
botrous
29-11-2005, 08:46 PM
and yes i am new to the to this site and hello:D to everyone
Welcome :D :D :D
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