Soozier A90-290 - Page 5

Step 3: Overlap the lower main frame ① with the right ③ pipe hole, and tighten the 8*50
screw and ⑧ with a wrench ⑨ ⑩.
Step 4: Overlap the fixed pipe holes ② and ③, and tighten the screws ⑦ 8*50 and ⑧
with wrench ⑨ ⑩.
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