Ingersoll-Rand INTELLISYS SSR Series - Inlet Control Valve Operation Checks; Sensing Line and Transducer Issues; Gear, Coupling, and SG Limit Switch

12
ORIG, SG: CHECK INLET CONTROL
UNLOADED
IS THE INLET VALVE CLOSED?
YES. IS THE AIREND TURNING?
YES. SUSPECT 1AVPT TRANSDUCER PROBLEM, OR LEAK IN SENSING
LINE
NO. SUSPECT SLIPPING GEAR
NO. ORIGINAL CONTROLLER - CHECK FOR SLIPPING
COUPLING
SG CONTROLLER - CHECK POSITION OF CLOSED LIMIT SWITCH
= UNIT UNLOADED AND INLET VACUUM LESS THAN THREE PSI.