Active Intent S001S Owner's Manual page 19

Step 12
 Attach X6 to X1 and X2
 Secure each side using Z1, Z4 and Z5
 Attach X3 to X1 and X2
 Align holes and hold in position
Step 13
 Insert the end of X4 into X1; secure using Z2, Z4 and Z5.
 In the same way, fix the other end of x4 with X2
 Insert Z1 into Z4 and insert into X1, X2 and X3 as shown.
 Insert Z8 into Z4 and insert into X1, X2 and Y2 as shown.
 Z3 and Z5 to X1 Do not secure at this step, to allow adjustment in next step.
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