Adjustment Of Lower Thread Cut Heater - Mitsubishi PLK-E1008H Technical Manual

7-10 Adjustment of lower thread cut heater

The lower heater is in it's initial position, when the
thread puller(NO. ) is outside the area of needle hole
(NO. ).
(1) Distance between thread puller(NO. ) and lower
heater(NO. ) should be about 6mm.
For correction of the lower heater(NO. ), loosen the
screw(NO. ) and change the position of the thread puller(NO. ).
(2) The proper position of the lower
thread trimmer device is
obtained when the distance of
the cylinder and Y-shape
knuckle joint (NO. ) is 9mm on
the withdrawing side of the
cylinder and is 34mm on the
extrusion side. For correction of
the distance, loosen the nut.
Proper height of the heater
(NO. ) is where the heater is
very adjacent to the needle plate
(NO. ) and also it does not
come in contact with any other
part.
For correction, bend the lower
heater.
(4) Height of the thread puller
(NO. ) in the normal position
should be positioned 2.2mm
lower than the needle plate
(NO. ).
For correction, bend the thread
puller(NO. ).
(5) After this adjustment, check the
sensor IG(NO. ) of the heater
cylinder should be ON and the
sensor IF(NO. ) should be OFF
at the normal position.
⑤
⑨
⑥ 9mm
34mm
34
①
6mm
②
③
④
⑦ sensor (IG)
⑧ sensor(IF)
6mm