Drive Motor - Atlas Copco GA 37 VSD Instruction Book

Instruction book
See the table bloew for recommended oil exchange intervals:
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 XTEND DUTY
Atlas Copco's Roto Synthetic Fluid XTEND DUTY is a high quality synthetic 8000 hours
lubricant for oil injected screw compressors which keeps the compressor in excellent condition.
Because of its excellent oxidation stability, Roto Synthetic Fluid XTEND DUTY can be used for
compressors operating at ambient temperatures between 0 ˚C (32 ˚F) and 46 ˚C (115 ˚F).
See the table below for oil exchange intervals:
Ambient temperature
up to 35°C (95°F)
from 35°C (95°F) up to
40°C (104°F) (see note)
above 40°C (104°F)
Note: the presence of dust and/or high humidity may require a shorter exchange interval. Consult
Atlas Copco.
* Whichever comes first.
7.3

Drive motor

General
Keep the outside of the electric motor clean for efficient cooling. If necessary, remove dust with a
brush and/or compressed air jet.
Bearing maintenance
The bearing at the drive end side is lubricated by the oil system and requires no periodic
maintenance.
The non drive end side bearing of motors without grease nipples requires no periodic
maintenance.
Motors with a grease nipple at the non drive end side must follow the maintenance interval as
mentioned on the motor data plate.
API480496
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)
Element outlet
temperature
up to 100°C (212°F)
from 100°C (212°F) up to
105°C (221°F)
above 105°C (221°F)
Exchange interval
6000
4000
2000
Exchange interval
8000
6000
5000
Maximum time interval
2years
2years
2years
Maximum time interval
2 years
2 years
2 years
97