Removing And Fitting The Hook Shaft - DURKOPP ADLER 577 Series Manual

8.4 Removing and fitting the hook shaft

7
6
5
8
Removal:
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Remove throat plate ,bobbin case holder and hook.
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Remove position transmitter, hand wheel and belt guard.
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Remove driving belt from the hook shaft.
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Loosen belt pulley 4.
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Loosen threaded pin 5 on t he fastening ring 8.
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Pull out the hook shaft to the rear.
Fitting:
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Introduce the hook shaft from the rear into the machine until the
front ball bearing ( hook side) rests against the inner ring 7.
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Set the fastening ring 8 from the backside against the ball bearing
si that there is no play between the inner ring 7 and the fastening
ring 8.
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Tighten the screw 5.
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Slip belt pulley 4 onto the hook shaft and fasten by screws.
–
Replace and tighten the driving belt.
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Fit belt guard, hand wheel and position transmitter
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Set position transmitter.
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Fit and adjust the hook.
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Adjust bobbin case holder and throat plate.
4
3
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