Outer
Lock
Nut
Washer
To Tighten Outer Nut
To Tighten
Inner Nut
Chain even with base
of rail at mid length
Chain
Base of Rail
Mid length of Rail
Trolley
Threaded
Shaft
Inner Nut
HARDWARE
Hex Screw #8x3/8"
(Packed with the sprocket cover)
Hex Screw
Sprocket Cover
