Adjustment

1.06 Adjusting the thread trimmer -900/83

1.06.01 Resting position of the roller lever / radial position of the control cam

Requirement

1.When the thread trimmer is in is resting position, lever 5 should be touching piston 6 and the roller of roller lever 7 should be 0.3 mm away from control cam 3.

2.When the take-up lever is at t.d.c., control cam 3 should just have placed roller lever 7 in its resting position.

7

0,3 mm

9

4

8

3

1

6

5

10

Fig. 1 - 38

● Having made sure that piston 6 is positioned against the left stop, adjust magnet 1 (2 screws) in accordance with requirement 1.

●Adjust control cam 3 (screws 4) in accordance with requirement 2.

●Attach collar 8 (screw 9) to roller 10.

47