BEKA-MAX Type S-EP 4 pump is used for central lubrication of various mechanisms and equipment units. BEKA-MAX Since there is no IMS 559. 392 integrated in the original pump card, the author has made a clone pump control circuit... Electronics Projects, BEKA-MAX Type S-EP 4 Pump Control Circuit (Clone) PIC16F628 "microchip projects, microcontroller projects, pic16f628 projects, " Date 2022/02/27