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> On Jan 6, 2024, at 09:00, old dirtbeard <dirtbeard@gmail.com> wrote:
>=20
> =EF=BB=BF
> HI Moose,
>=20
> Surprised to hear that there was sludge in the oil when you drained it; I h=
ave not experienced that when changing my oil.
>=20
> I also thank you for posting this message as it reminded me that I have no=
t changed the oil in my compressor for a long time and need to look for oil.=
=20
>=20
> I saw this Quincy article on compressor oil options, but it does sound lik=
e compressor oil mainly needs to be non-detergent to eliminate carbon build-=
up (I never could understand why automotive engine oil would create carbon i=
n a compressor which I have to believe runs at a much lower temperature than=
a compressor, but that is their statement), but also:
Detergent oil keeps debris is suspension so it can be removed by the filter.=
If you don=E2=80=99t have a filter (and compressors don=E2=80=99t), you wan=
t a non detergent oil, so the debris can settle into the crank.=20
I strongly suspect moose=E2=80=99s sludge is a by product of condensation an=
d short run time that doesn=E2=80=99t get the oil hot enough to drive it out=
.=20
Frankly, compressors are low load, and modern oils so good, any compressor o=
il is good enough. If the manufacturer makes it hard to buy from them, I tak=
e that as a sign they don=E2=80=99t want my money, and spend it elsewhere. I=
t=E2=80=99s the third decade of the 21st century, if they don=E2=80=99t have=
a way to buy with a credit card, well, they clearly aren=E2=80=99t interest=
ed in selling anything.=20
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<html><head><meta http-equiv=3D"content-type" content=3D"text/html; charset=3D=
utf-8"></head><body dir=3D"auto"><div dir=3D"ltr"></div><div dir=3D"ltr"><br=
></div><div dir=3D"ltr"><br><blockquote type=3D"cite">On Jan 6, 2024, at 09:=
00, old dirtbeard <dirtbeard@gmail.com> wrote:<br><br></blockquote></d=
iv><blockquote type=3D"cite"><div dir=3D"ltr">=EF=BB=BF<div dir=3D"ltr"><div=
class=3D"gmail_default" style=3D"font-size:small">HI Moose,</div><div class=
=3D"gmail_default" style=3D"font-size:small"><br></div><div class=3D"gmail_d=
efault" style=3D"">Surprised to hear that there was sludge in the oil w=
hen you drained it; I have not experienced that when changing my oil.</div><=
div class=3D"gmail_default" style=3D""><br></div><div class=3D"gmail_default=
" style=3D"">I also thank you for posting this message as it reminded me tha=
t I have not changed the oil in my compressor for a long time and need to lo=
ok for oil. </div><div class=3D"gmail_default" style=3D""><br></div><di=
v class=3D"gmail_default" style=3D"">I saw this Quincy article on compressor=
oil options, but it does sound like compressor oil mainly needs to be non-d=
etergent to eliminate carbon build-up (I never could understand why automoti=
ve engine oil would create carbon in a compressor which I have to belie=
ve runs at a much lower temperature than a compressor, but that is=
their statement), but also:</div></div></div></blockquote><div><br></div>De=
tergent oil keeps debris is suspension so it can be removed by the filter. I=
f you don=E2=80=99t have a filter (and compressors don=E2=80=99t), you want a=
non detergent oil, so the debris can settle into the crank. <div><br><=
/div><div>I strongly suspect moose=E2=80=99s sludge is a by product of conde=
nsation and short run time that doesn=E2=80=99t get the oil hot enough to dr=
ive it out. </div><div><br></div><div>Frankly, compressors are low load=
, and modern oils so good, any compressor oil is good enough. If the manufac=
turer makes it hard to buy from them, I take that as a sign they don=E2=80=99=
t want my money, and spend it elsewhere. It=E2=80=99s the third decade=
of the 21st century, if they don=E2=80=99t have a way to buy with a credit c=
ard, well, they clearly aren=E2=80=99t interested in selling anything. =
<br><div><br></div><div><br></div></div></body></html>=
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