Brother International LK3-B434E MKII Instruction Manual - English - Page 52
Adjustment of air pressure (for pneumatic), 10-17. Adjustment of inner clamping device
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10. STANDARD ADJUSTMENTS 10-16. Adjustment of air pressure (for pneumatic) Increase pressure y Increase pressure w q t u r 1. Air pressure should be 0.5 Mpa. The air pressure can be adjusted by pulling up and turning the control knob w on the integrator q. After adjustment is complete, push the control knob w downward to lock it. 2. Adjust the air pressure for the reversal cylinder to stay within such a range that the presser crank r rotates reversely when pressing the sewing material with the pressure plate e. (Approx. 0.3 Mpa) For adjustment, pull up and, turn the control knob y on the air regulator t. After adjustment is complete, push the control knob y downward to lock it. 3. If water stands in the bottle of the integrator q, turn the drain cock u in the direction indicated by an arrow to drain the water. e 10-17. Adjustment of inner clamping device w r t q (B)" e s Adjustment of the positioning plates Loosen the screws w, and adjust the position of the positioning plate R e so that the label q can be evenly laid out between the front and back seams (A). Next, loosen the screws r, and adjust the position of the positioning plate L t so that the presser plate can be evenly laid out between the left and right seams (B). "(A) (B)" "(A) s Adjustment of the presser crank horizontal position q Loosen the nut e and push in or pull out the ad- justing bolt r so that the presser crank w can be horizontal when the reversal cylinder plunger q is moved to the left extreme. e w r LK3-B434E Mark II 46