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Step 6: Link the self-locking nut
Link the self-locking nut into screw which at the bottom of the screw in front bar feet by a wrench, stop when the thread
leakage 1 ~ 2 laps. As shown in the figure below:
ATTENTION: BEFORE BLOCKING THE NUT, ENSURE THAT THE ARMS ARE PROPERLY ALIGNED.
Step7: Left roller support with gear box assembly:
Hammer the left roller support with into the left end of torsion bar by wood hammer, then tighten the left screw
by phillips screwdriver.
As shown in the figure below:
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