Adjustment Of The Sewing Machine; Replacing The Bird's Nest Preventing Knife - JUKI LK-1900BN Series Instruction Manual

3. ADJUSTMENT OF THE SEWING MACHINE

WARNING :
Turn OFF the power before starting the work so as to prevent accidents caused by abrupt start of the
sewing machine.

3-1. Replacing the bird's nest preventing knife

❶
❸
❻
1) Remove screws ❶ at four locations. Then, knife
❷
2) Remove two screws ❸ . Remove needle hole
❹
3) When you remove two screws ❺ , bird's nest
❺
－ －
110
base ❷ can be removed.
guide ❹ .
preventing knife ❻ will come off.
Replace the knife with a new one. Then, attach
the needle hole guide and knife base back to
their positions.