See Figure - ParaBody 917101 Assembly Instructions Manual

FIGURE 9
LEFT
RIGHT
STEP 9:
¯ Slide one 1-1/2," THRUST BEARING (25), one RIGHT SAFETY HOOK (6), and one 1" SHAFT COLLAR (24) over
SAFETY STOP (2) as shown in FIG~-R.E
¯ Slide one 1-1/2" THRUST BEARL~'G (25), one LEFT SAFETY HOOK (5), and one 1" SHAFT COLLAR (24) over
SAFETY STOP (2) as sl~own in FIGURE
¯ Using a 3/16" Allen~-re~ach, tighten each set screw onthe 1" SHAFT COLLARS (24). See FIGURE
FIGURE 10
STEP 10:
¯ Slide one BAR STOP (8) over each BEARENG HOUSING (1) as shown in FIGURE
11