Lift Clearance Track -- Track Detail


	Lift Clearance Track For Commercial Sectional Doors


	2" (51mm) Track [15" (381mm) Radius]

Door Height	Centerline of Shaft	Minimum Headroom
Thru 12'0" (3658mm)	O.H.+L.C.+5-5/8"(143mm)	L.C.+8-3/4" (222mm)
Thru 16'0" (4877mm)	O.H.+L.C.+5-5/8"(143mm)	L.C.+11-1/4" (286mm)


	3" (76mm) Track [15" (381mm) Radius]

Thru 22'0" (6706mm)	O.H.+L.C.+6-5/8"(168mm)	L.C.+11-1/2" (292mm)
Thru 32'0" (9754mm)	O.H.+L.C.+6-5/8"(168mm)	L.C.+12-1/4" (311mm)


	*Abbreviations:* L.C.=Lift Clearance

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