Adjustment
14 - 23
14.12.02 Upper knife-arm-stop
Requirement
1. Taking care to ensure that the carrier plate 1 is pushed as far forward as possible in its
elongated holes there must be a clearance of 0.2 mm to 0.3 mm between finger 2 of
the needle thread monitor and pin 3 of the knife latch.
2. The knife latch 4 must fall into the actuator finger 5 when it is just below its TDC.
1
5
7
6
4
0.2 - 0.3 mm
3
2
8
Fig. 14 - 22
● Loosen nut 6 and turn the stop motion buffer 7 in accordance with requirement 1.
● Tighten nut 6.
● Engage the stop motion device.
● Turn the drive pulley in its direction of rotation until the actuator projection 5 is in its BDC.
● Hold the thread monitor finger forwards.
● Manually switch on the knife by pulling lever 8.
● The knife latch 4 positions itself in front of the actuator projection 5.
● Turn the drive pulley in its direction of rotation until the actuator projection 5 is just below
its TDC.
● The knife latch 4 must then fall into the actuator projection 5.
● If this does not happen readjust the stop motion buffer 7 in accordance with require-
ment 2.
● Turn the drive pulley in its direction of rotation until the knife latch 4 is in its basic position.
● Disengage the stop motion device.
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