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Instruction book
Roto Synthetic Fluid ULTRA
Exchange interval for Roto Synthetic Fluid Ultra
Ambient temperature
up to 35°C (95°F)
from 35°C (95°F) up to
40°C (104°F) (see note)
from 40°C (104°F) up to
45°C (113°F) (see note)
Note: The presence of dust and/or high humidity may require a shorter exchange interval.
Consult Atlas Copco.
Roto Synthetic Fluid ULTRA is a synthetic oil based 4000 hours lubricant, specially developed for
use in single stage oil-injected screw compressors running in demanding conditions. Roto
Synthetic Fluid ULTRA can be used for compressors operating at ambient temperatures between
0 °C (32 °F) and 45 °C (113 °F). For more extreme conditions or when longer oil life is required, it
is recommended to use Roto Synthetic Fluid XTEND DUTY.
4.4
Oil, filter and oil separator change
Important
2920 7170 31
Element outlet
temperature
up to 100°C (212°F)
from 100°C (212°F) up to
105°C (221°F)
from 105°C (221°F) up to
110°C (230°F)
Never mix oils of different brands or types. A label, indicating the type of oil filled ex-
factory, is stuck on the air receiver/oil tank.
Always drain the compressor oil at all drain points. Used oil left in the compressor can
shorten the lifetime of the new oil.
If the compressor is exposed to external pollutants, is being used at high temperatures
(oil temperature above 90˚C / 194˚F) or is being used under severe conditions, it is
advisable to change the oil more frequently. Consult Atlas Copco.
Exchange interval *
6000
4000
2000
Maximum time interval
*
2 years
2 years
2 years
31
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