1. How to operate PR series :

Upper threading

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Procedure

1. Pass thread through 3 thread guide holes
2. Pass thread under upper thread guide
3. Pass thread clockwise around thread tension disc
4. Pass thread under upper thread guide
5. Pass thread through thread take up lever and down through thread guide hole
6. Pass thread on needle bar thread guide with needle threader tool

Accessory

Upper thread
Needle threader tool