Singer 1 One Instruction Manual 40 - Page 32
replace, stationary, knife, exchange, light, adjust, presser, pressure
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23. How to replace stationary knife The stationary knife (available from your Singer Dealer) should be changed when it becomes dull. The stationary knife can be replaced according to the following steps, however if there are any difficulties experienced, call your Singer representative to make the adjustment. (1) Be sure that the power line plug is disconnected from the wall receptacle. (2) Open the looper cover and set the movable knife in the non-operating position (see page 21). (3) Loosen the stationary knife set screw and remove the stationary knife. (4) Place a new stationary knife in the groove of the stationary knife holder, align the cutting edge level with the top surface of the throat plate and tighten set screw. (5) Return the movable knife to its original position. it Same height Throat plate -5 Stationary_ knife set screw Stationary knife holder Stationary knife 24. How to exchange light bulb Light bulb (available from your Singer Dealer) is a bayonet type 12 volt, 6 watt bulb. Disconnect power-line plug. Remove light cover as shown in figure, turn bulb to left and remove. To replace, push bulb into socket and turn to right. Light cover screw -Cop I CI Replace Remove 25. How to adjust presser foot pressure Pressure regulating thumb screw Less pressre (More pressure The presser foot pressure of this machine is preadjusted at the factory to suit the sewing of medium weight fabrics. It may become necessary to adjust the pressure in the case of delicate or heavy weight fabric. For light weight fabric - Decrease the pressure (as shown at left). Heavy weight fabric - Increase the pressure (as shown at left). K 30
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