8 | Maintenance
32 | 44
Instruction Manual COBRA NF 0750 A - NF 0950 A WCV_EN_en
8.4
Cleaning the Gas Ballast Filter (Optional)
2
1
Description
1
Use a 36 mm wrench
2
Use compressed air and wear protec-
tive eyewear and mask
8.5
Oil Change
WARNING
Process gas with > 21% vol. oxygen and use of an inappropriate oil.
Risk of fire!
●
Use only a type of oil approved and recommended by Busch for oxygen applications.
NOTICE
Use of an inappropriate oil.
Risk of premature failure!
Loss of efficiency!
●
Only use an oil type which has previously been approved and recommended by Busch.