Hook Bearing Bracket - Pfaff 918 U Instruction Manual

12

Hook bearing bracket

.05.17
Requirement
The hook shaft must be touching the hook bearing bracket adjustment gauge 1 at the top
and the side.
4
3
Fig. 12 - 18
● Loosen screw 3 .
● Swing the bobbin case opener to the right and remove the hook.
● Loosen screw 2 and loosen the draw key underneath it by lightly tapping the head of
the screw.
● Screw on the hook bearing bracket adjustment gauge.
● It must be possible to read the numbers "438-439" from the front.
● Move or turn hook bearing bracket 4 in accordance with the requirement .
● Tighten screw 2 .
● Adjust the bobbin case opener in accordance with subsection 12.05.21 Bobbin case
opener position.
1
Adjustment
1
438 - 439
2
12 - 19