Singer One Instruction Manual 15 - Page 48

How to Replace the Stationary Knife / Danger: Before replacing the stationary knife, disconnect power line plug from the wall receptacle. • The stationary knife should be changed when it becomes dull. • The stationary knife can be replaced according to the directions provided, however if there are any difficulties experienced, consult your Singer representative to make the adjustments. • Be sure that the power line plug is disconnected from the electric source. 3 • Open the looper cover and set the movable upper knife 1 in the nonworking position (page 25). • Loosen the stationary knife set screw 2 and remove the stationary knife 3 . • Place a new stationary knife in the groove of the stationary knife holder. • Tighten stationary knife set screw 2 . • Return the movable upper knife 1 to its working position. 4) ti S 2 I 47