Assessments - 1, GPA: 5 ( )

Fabricante : Typical Arquivo Tamanho: 3.9 mb Arquivo Nome : Língua de Ensino:

B.Replacement of the timing belt when damaged 1.Remove the upper arm plate and oil reservoir 2.Loosen the hand wheel set screw and other Two screw ,then remove the hand wheel ; 3.Loosen the three screws in the upper shaft bush and remove the bush ; 4.Lift the belt up through the arm cap hole after removed the bush as far as possible and draw it out through the space normally occupied by the bush. 5.Replace the timing belt as opposite processes as above for removing it 6.Tighten all of the screws, so as to fit the upper shaft, free from looseness. 24.Safety clutch mechanism(Fig.22) The safety clutch located on the right side of the lower timing pulley, it cam prevent damage in the event of thread jamming in the hook by releasing the locking lever in the pulley. 1.Take out jammed thread from the hook; 2.To re-engage the clutch, press down the lock stud(A)by left hand, and turn the hand wheel backward slowly by right hand, then the safety clutch will be released. 3.In case easily releasing the safety clutch, adjust the pressure by the screw(B)after removed the timing belt(C).Turn the screw (B)clockwise to increase the pressure, and turn the screw (B) counter-clockwise to decrease the pressure 25.Adjusting the bobbin thread winder(Fig.23) 26.Adjusting the hook oil amount(Fig.24) Loosen the screw for the oil adjustment dial and adjust oil supply by truning the oil adjustment dial. When the point mark on the hook saddle is in line with the center line o the dial ,the oil supply will be at the maximum level, when the point mark is at the vertical position of the center line of the dial, the oil supply will stop. 24 25 Adjust the volume of winding thread to the bobbin by the adjustment screw Remove the plate on the front of the arm and adjust the slippage of the shaft for the winder by the winder driving gear in the upper shaft to shifting right or left. 27.Adjusting the pedal(fig.25) Construct the pedal set complete as shown in the Fig.25 23 „” ./: (495) 989-22-97 1.Casting components „” ./: (495) 989-22-97 1.Casting components Name of Parts Remark Qty. No. Part No. „” ./: (495) 989-22-97 „” ./: (495) 989-22-97 1.Casting components No. Part No. Name of Parts Qty. Remark „” ./: (495) 989-22-972.Upper shaft and thread take-up componets 5 2.Upper shaft and thread take-up componets Name of Parts Remark Qty. No. Part No. „” ./: (495) 989-22-97 „” ./: (495) 989-22-97 3.Needle bar rocking frame and upper feed components 3.Needle bar rocking frame and upper feed components Name of Parts Remark Qty. No. Part No. „” ./: (495) 989-22-97 „” ./: (495) 989-22-97 4.Feed components 4.Feed components Name of Parts Remark Qty. No. Part No. „” ./: (495) 989-22-97 5.Hook components „” ./: (495) 989-22-97 5.Hook components Name of Parts Remark Qty. No. Part No. „” ./: (495) 989-22-97 „” ./: (495) 989-22-97 6.Thread tension components 6.Thread tension components Name of Parts Remark Qty. No. Part No. „” ./: (495) 989-22-97 „” ./: (495) 989-22-97 7.Accessories 7.Accessories Name of Parts Remark Qty. No. Part No. „” ./: (495) 989-22-97 : (495) 989-22-97 e-mail: info@krung.ru : (495) 989-22-97 e-mail: info@krung.ru ...

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