Need a little help is their a procedure for checking the oil level on these screws or changing oil? Found nothing in the manual that was left with the machine.
Compressors Are 1st stage o6na22o9s7na-aoo 2nd stage o6na212356na-aoo.
Present alarm is on 1st stage T-124 low oil pressure and is confirmed with excessive pressure drop. Planing on changing internal and external oil filter manual says to expect up to 1 qt oil loss filters where changed 4yrs ago and do not want to over fill or be under any input on this machine would be help full thanks in advance. T