Beisler 1225-5 - Manual (Page 75)

2.6.2 Changing and adjusting the lower knife
Head EX 5205-22/233-6KS Head S52 134B
Caution: Risk of injury!
Switch the main switch off.
Exchange and adjust the lower knife only with the sewing unit switched
off.
Standard
The blade of the lower knife has to be flush with the top edge of the
throat plate.
Correction
–
Remove the fabric sliding sheet.
– Swivel the sewing foot out.
– Loosen screw 4.
– Draw the holder of the lower knife 3 to the left as far as it will go
and tighten screw 4 slightly.
– Loosen screw 2 and remove the old knife.
– Insert a new, sharp knife in guide 1 in such a way that the blade is
flush with the top edge of the throat plate.
– Tighten screw 2.
– Turn the handwheel until the upper knife is in its highest position.
– Loosen screw 4 and let the holder of the lower knife 3 spring
against the upper knife.
– Tighten screw 4.
17
3
3
4
1
2
4 3 2 1