Brother b837 - Page 47

2. Push lever position adjustment
0
Snap rmg
* Push the shaft 8 m the d1rect1on of the arrow to prevent
honzontal play. and
t1ghten screw 8 to the screw stop.
Be sure the push lever 0 still operates smoothly.
•
Excess1ve honzontal play will affect the stop lever pos1t1on. and will result m poor operat1on of both needles
together or e1ther mdependently. It will be hard to drive both or e1ther needle(s) if the dr1ve torque is too great.
3. Slide shaft adjustment
0
Shde shaft support bracket
* Set stop lever • to R on POSition guide •. Loosen screw e and move lever shaft arm e right or left so that the end of
slide shaft 0 is even with the end of slide shaft support 8.
* Lever shaft arm e will not function properly. and lever shaft arm spring and set collar adjUStment will be diffiCUlt. if the.
slide shaft
0 IS not properly aligned with the end of slide shaft support 8.
From the library of: Superior Sewing Machine & Supply LLC