Step 1: Locate bottom bed (part A) and put it
on floor.
Step 2: Locate one side fence (part B), then
connect it on bottom bed (part A) with bolt
(part C), washer (part E) and lock nut (part D).
Do not tighten the bolts.
Step 2.1: When assembling, do not forget the
washer (part E).
Step 3: Locate another side fence(part B)and
assemble on another side of bottom bed
(part A) with bolt (part C), washer (part E) and
lock nut (part D), then tighten all bolts.