Install angle (10) on channel (11) and secure with two washers (9), bolts (8, 7), washers (6) and nuts (5).
Move new assembly to position where hoist cable may be attached to upper end.
Using hoist to assist, lift assembly into position for fitting between upright legs.
Position flanged bearings (4) on shaft (21) ends and fit assembly between upright legs.
Align holes in flanged bearings and legs and install four bolts (3), washers (2) and nuts (1) but do not
Remove hoist cable and tighten bolts (3) alternately.
Check assembly for smooth operation.