13.
Adjusting the thread wiper -909/04
08
13
Thread wiper movement
.08.01
Requirement
1. The thread wiper 5 must not strike against anything when it is moving.
2. When the take-up lever is at TDC, the thread wiper 5 is to move under the needle point
and clear it by approx. 1 mm when the engaging solenoid 2 is operated.
Fig. 13 - 35
● Bring the take-up lever to TDC.
● Loosen screws 1.
● Push thread wiper 2 parallel to the bedplate to the very top and tighten screws 1 slightly.
● Turn bracket 3 (screw 4) according to requirement 1.
● Move thread wiper 2 parallel to the bedplate according to requirement 2.
● Tighten screws 1.
2
3
4
5
Adjustment
1
I
5
13 - 37