Owner's Manual
Page 32
... salad oil or glycerine. Wait a few minutes until both the motor and the thermal switch have interrupted the electric circuit. Have your Pfaff dealer adjust the belt tension. Thread Jamming The new Pfaff rotary hook will be sufficient to overcome hard working while sewing (...when a bobbin is not being filled). If this action should not free the jammed thread, put a drop of the Stopmaiic it back and forth. Machine Works Heavily Cause: Motor belt...
... salad oil or glycerine. Wait a few minutes until both the motor and the thermal switch have interrupted the electric circuit. Have your Pfaff dealer adjust the belt tension. Thread Jamming The new Pfaff rotary hook will be sufficient to overcome hard working while sewing (...when a bobbin is not being filled). If this action should not free the jammed thread, put a drop of the Stopmaiic it back and forth. Machine Works Heavily Cause: Motor belt...