10
Step 3
：
36
37
25
3
11
24
3
11
24
24
11
3
33
38
a. Secure rail upper and lower cover(36&37) on the rail(33) with screws(25) by
wrench(B);
b. Secure rear supporter(38) on the bottom of rail(33) with washers(3), spring
washers(11) and bolts(24) by spanner(A).
