MACHINE KE UPAR JAB JAYECHE THO CONTROL BLOCK MILEGA . WAHA MIDDLE MEI COUNTER WEIGHT SIDE KA TARAP HAI MAIN RELIEF VALVE. AGAR KOI PROBLEM THO CALL KAR SAKTE HAI
Sir mai bolna chahunga ki jab Double function kar rahe ho tab Priority valve kam karta hai. Priority vaslve jis function ko pahele bolega kaam karne wo function pahelo hoga fir second kaam baad mei hoga. Baat e hai ki priority valve ko check kijiye . May be weak ho gaya hai. But jarur bataye fir .