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这类故障多数是由于接触器KM1的铁芯面上的油污使铁芯不能释放或KM1的主触点发生熔焊,或停止按钮SB1的常闭触点短路所造成的。应切断电源,清洁铁芯极面的污垢或更换触点,即可排除故障。
当按下按钮SB2时,电动机能运转,但放松按钮后电动机即停转,是由于接触器KM1的辅助常开触头接触不良或位置偏移、卡阻现象引起的故障。这时只要将接触器KM1的辅助常开触点进行修整或更换即可排除故障。辅助常开触点的连接导线松脱或断裂也会使电动机不能自锁。MILLER 180433 TRIGGER ASSEMBLY CORD, LOT OF 19,
NORDSON 060-6925-01 TRANSDUCER, SEALED
REXROTH R185321310 RUNNER BLOCK/ROLLER RAIL, NIB
ACTION PAK 4300-1521-S SIGNAL CONDITIONER RELAY MODULE
SIEMENS 13820-1X / M923224B132-03 TRANSDUCER, 5P MALE C
SQUARE D 8903LO40V06, OPEN E.H. LIGHTING CONTACTOR, 480
SKF, 71905CD/94ADGA, HIGH PRECISION BALL BEARINGS, 25MM
RUTLAND 0646-1565, REAMER, HS, 5/84, M-2, 12 FLUTE, 13
ORIENTAL MOTORS B0349-444 REVERSIBLE MOTOR, NIB
TYCO 0-0176346-8 REPAIR KIT, LOT OF 25, NIB
KEPNER 416-B-1 1" FPT CHECK VALVE, NNB SEALED
FANUC EE-0989-317-001 CABLE ASSMEBLY 4 PIN MALE,
ALCO TRAE+ 40 HCA THERMO EXPANSION VALVE, 40 T, 10 TUBE
PIAB M100B5-ENAF 50 PSI CLASSIC VACUUM PUMP, NIB