2.10 OIL TYPES TO BE USEO
T able 2.1 contains the oil types whlch are released for
GRASSOSCREW compressors.
Some of the oil types listed in this table are marketed under
other names. These oils can also be used, provided their
identity can
be
proved beyond any doubt
The
use of other oils, not named in this table is permitted
only after approva) by the compressor manufacturer.
For most applications an oil type, having a kine malie vicos
ity at
40
·c
of
68
est for
Nl-1:3
and
68 to 1
so
est tor
R22,
wrn
do_
IMPORTANT
Used or filtered 011 shou/d never be added toa refrigeration
screw compressor unde r any circumstances. Use only new
oil trom an oil manufacturer {any of the major oif companies
or their approved dealers).
TABEL2.1 OIL TYPES TO BE USED
BRAND
OR
TYPE
SUPPLIER
BP
• Energol LPT 68
ESSO
• Zerice 68
KUWAIT
Stravinsky
MOBILOIL
Gargoyle Arcti 3()0
SHELL
• Clavus 011 68
SUN-OIL
Sunlso4GS
TEXACO
• Capèlla D WF 68
GRBSSa
BEDIE"HGSVOOrftsQfRIF'rllJETRIE8SANLEmJNC
INS"l'RUCnON MANIJALALll«.E.L 0'IMS1RUCTIOH
The oil must
be
changed every three months or
2000
hOurs
unless their quality is guaranteed by a qualified oil labora
tory. Maximum time six months. See paragraph
6.6
for
fur
ther details of oil analysis.
Should you have other types of compressors in your
sys
tem, Jt îs recommended that you investigate changîng their
oil grade to that of the screw compressor. The screw com
pressor oîl is usually satisfactory in ether types of com
pressors, bt.lt the compressor manufacturer must be
consulted for approval. This will minimize any possibility of
the incorrect grade being added to the
screw
compressor.
Grasso Products assumes no responsibility for the qualfty.
performance, availability or viscosity of the products in table
2.1 below.
VISCOSITY AT
4o·c
so·c
cSt
mPa
"Engler
68
36
5.5
63
34
5.0
55
29
4.4
55
$0
4.6
68
3S
5.4
54
29
4.4
64
35
5.4
OH types marked with
an
asterisk r, have a viscosity grade number designation accordîng to 1S0-
Standard 3448.
92.01
Compressor Package GSLP
Page2.11
