14
pressor motor barrel, fitting P/N 5F20-1311 (5/8 in. -18 x
1/4 in. NPT) with AU51YA011 gasket is recommended.
Some 50 Cfm compressors have a 1/4 in. NPT connection
and do not require the 5F20-1311 fitting. The motor barrel
inter-connection line is in addition
to either the crankcase oil
equalization line or the oil floats.
Never interconnect the motor barrels of 06CC compressors
,
as the oil sump of these compressors are at intermediate
pressure.
Use only Carlyle approved oil appropriate for the refrig-
erant being used. Section 3.6 on pages 69 to 71 list all the
approved oils. Section 3.9 on page 72 notes the correct oil
pump pressure in relation to age of the compressor.
CAUTION
06E compressors will not tolerate excessive oil charges.
Laboratory tests and field experience confirm that excess
oil, especially in 06E compressors, can cause cylinder head
gaskets and valve plates to fail, increase compressor operat-
ing temperatures, and lead to oil control problems. Page 12
notes the correct oil levels.
CAUTION
Do not charge oil through the suction line or through
the compressor suction access fittings. See the compres-
sor figures in Section 2.5 for the location of the recom-
mended oil charging ports. Adding oil into the suction side
of the compressor can result in oil intake directly into the
cylinders resulting in suction/discharge valve, piston and/or
connecting rod damage.
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