Height Adjustment Range - Duerkopp Adler 975-1-5 Service Instructions Manual

2.5.2 Height Adjustment Range

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When the lowest stroke position is in effect the pressure foot at the
lower dead center should have a clearance of 2.5 mm to the needle
hole mushroom.
Caution Risk of Injury !
Conduct adjustment work and function testing only with greatest
possible caution.
–
Lower the sewing head.
Set the program switch to 44 and press the " STOP " key.
The sewing head is lowered and the needle plate and pressure
foot raised.
–
Loosen the wing nut 4 and arrest the lever 5 in the lowest position.
–
Loosen nut 1.
–
Press bolt 2 down to the end of the slot.
–
Tighten nut 1.
–
Pull lever 3 forward until the piston rod of the cylinder is run out
completely.
–
With the handwheel bring the pressure foot into the low position.
–
Screw off the head cover 8.
–
Loosen screw 6.
–
Set the presser bar 7.
The clearance between the pressure foot and the needle hole
mushroom must be 2.5 mm.
–
Tighten screw 6.
–
Screw the head cover 8 on again.
ATTENTION !
After setting the height adjustment range set the pressure foot stroke
position ( see Operating Instructions ).
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