Ega Master 57504 Manuel D'instructions page 7

c) The piston does not go backwards or it does not go backwards completely.
- Open the external drain valve.
- Check the level oil. Remove oil if there is a lot inside the system.
IMPORTANT!
The maker will not take responsibility for damage or malfunction as a result of the poduct
being incorrectly used or, applied for a purpose for which it was not intended.
The maker guarantees to the machine owner 12 months against any manufacture defect.
This guarantee does not cover the parts wich are consumables.
Note: to apply the guarantee it is necesary to send the "GUARANTEE CERTIFICATE" duly
filled within one week after purchased the machine to the maker.
NOTES
GUARANTEE
7