High lift – cable drum 54 hl-54”
Maximum door high:120” + hi lift
Rated lifting weight per drum:275 lbs
Maximum cable diameter:1/8”(3mm)
Set screws installed
Use on 1” or 1 1/4” solid shaft with 1/4” keyways
Color coded
Cable length formula – floor to shaft center +
63” minus amount of hi-lift