JOYTECH PY1400ACL User Manual page 13

Installation of Spring limit switch bock:
Gate Gate
Spring limit Spring limit
switch block switch block
Hexagon Hexagon screw screw
M6 × 65 M6 65
Chain Chain
Spring limit Spring
Main engine Main engine
Spring Spring
limit switch switch block block
Chain Chain
Chain wheel Chain wheel
Gate Gate
Figure 14
Figure 15
Nut M8
Spring washer φ 8
Flat washer φ 8