Replacement Of Knives; Needle Plate Adjustment - Baby Lock BL-5180 Service Manual

9. REPLACEMENT OF KNIVES

UPPER KNIFE
a) Remove upper knife and replace it.
b) Fixing screw temporaly, turn the hand pulley and bring the upper knife to
the lowest positon.
c) Adjust upper knife to be 1-1.5mm overlapping with cutting face of lower knife.
d) Tighten firmly fixing screw.
LOWER KNIFE
a) Remove both knives and replace it.
b) Fix screw of lower knife temporaly.
c) Adjust lower knife to be 0-0.2mm down from surface of needle plate.
d) Tighten firmly fixing screw.
e) Replace upper knife as same as avobe.
Upper Knife Adjustment

10.NEEDLE PLATE ADJUSTMENT

After replace Needle Plate, you are required to adjust
position of needle.
All needles do not touch needle plate.
Model: BLE1
BLE1SX
BLE1LX
BLE1AT
BL3ATW
Screw
Needle plate
adjusting screw
Needles
Needle plate
adjusting screw
8
Needle Plate
Screw
Lower Knife Adjustment
Model: BLE8
Needles
BLE8W
BLCS