75kw AIRMANscrew comp 150 amps on star, 400 amps ON delta no load ?

United Arab Emirates
October 19, 2006 8:52am CST
75 kw AIRMAN SCREW COMPRESSOR .STARTS DRAWING 150 AMPS ON STAR. DOES NOT REALLY PICK UP SPEED.GOES ON DELTA SHOOTING TO 400 AMPS ON THE SWITCH.MOTOR HEATS UP . ONE BURNT REWOUND AND NOW AGAIN GETS HOT AT JUST 1 MIN RUNNING.NO LOAD IS ATTACHED. OUTLET IS OPEN.IS THERE A POSSIBILITY THAT THE AIR CONTROL lineS ARE NOT CONNECTED PROPERLY.MODEL SMS 75 S - 543/65 VERY NEARLY. BECAUSE THE DETAILS ON THIS DOCUMENT DOES NOT MATCH WHAT IS ON THE ACTUAL MACHINE.95% OK.ARE THE SETTINGS OF THE PRESSURE FOR AIR, OIL NOT OK. IS THE MOTOR NOT OK. 220 V SUPPLY 3PH MOTOR NOT 440 V 3 PH . 275 AMPS RUNNING CURRENT AS PER NAMEPLATE AT 200 AMPS.COMPRESSOR IS NOT USED FOR 4-5 YEARS.IS AT LEAST 10 YEARS OLD. WHAT IS MINIMUM PRESSURE REQUIRED FOR OIL CIRCULATION. WHAT SHOULD BE THE MINIMUM AMOUNT OF OIL ( THERE IS A GUAGE ON THE SEPERATOR TANK) IS THE OIL TOOMUCH IN THE SCREW COMPRESSOR. CURRENT REACHES 400 DROPS TO 380 BUT STARYS THERE EVEN ON NO LOAD.
1 response
@bayboy (988)
• United States
19 Oct 06
yeah i have to agree with this.