Instruction book
2920 1472 03 52
4.1.4 Service plan
A number of service operations are grouped (called Level A, Level B, Level C, ...). Each level stands
for a number of service actions to be carried out at the time intervals programmed in the Elektronikon
regulator.
When reaching a level, a message will appear on the screen. After carrying out all service actions, the
interval timers are to be reset using the key "Reset" in menu "Service". Consult your Atlas Copco
Customer Centre.
4.2 Motor greasing
4.2.1 Fan motor (ZT)
The bearings of the fan motor are greased for life. Contact your Customer Centre for the replacement
interval of the motor bearings.
4.2.2 Drive motor (M1-Fig. 1.2)
ZT15 up to ZT22
The bearings are greased for life; contact your Customer Centre for the replacement interval of the
motor bearings.
ZT/ZR30 up to ZT/ZR45
Greasing interval 4000 hrs (Level A)
Quantity, drive end 15 g
Quantity, non-drive end 15 g
Recommended grease Esso Unirex N3
Important
Never mix greases of different brands or types.
4.3 Oil specifications
Use Atlas Copco Roto-Z oil, which has been specially developed for oil-free rotary compressors. This
oil has a long service life and ensures optimum lubrication.
Important
Never mix oils of different brands or types.
4.4 Storage after installation
Run the compressor, e.g. twice a week, until warm.
If the compressor is going to be stored without running from time to time, protective measures must be
taken. Consult Atlas Copco.
4.5 Service kits
Service kits
Service kits comprise all parts needed for servicing components and offer the benefits of genuine Atlas
Copco parts while keeping the maintenance budget low. All service kits are mentioned in the relevant
Parts Lists.
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