5
HEADROOM REQUIREMENT
OPENING
HEIGHT
VERTICAL
HEADROOM
HORIZONTAL
HEADROOM
THRU 8'-0"
20"
20"
OVER 8'-0"
THUR 10'-0"
21"
21"
OVER 10'-0"
THRU 14'-0"
21
1
2
"
21"
OVER 14'-0"
THRU 20'-0"
22"
22"
SIDEROOM CLEARANCE REQUIREMENTS
OPERATION
BACK OF
GUIDE
OUTSIDE OF BRACKET
TENSIONER END
OUTSIDE OF
BRACKET DRIVE END
OUTSIDE OF
HAND CHAIN
EACH END
OF AXLE
PUSH-UP
2-1/2"
4-1/8"
4-1/8"
--
7"
REDUCED
HAND CHAIN
2-1/2"
4-1/8"
4-7/8"
6-3/8"
7"
ELECTRIC
2-1/2"
4-1/8"
5-5/8"
--
7"
HEADROOM/SIDEROOM DIMENSIONAL REFERENCES
IMPORTANT NOTES:
•
DIMENSIONS ARE REFERENCED FROM THE EDGE OF THE OPENING
•
FOR CRITICAL FITS DUE TO REDUCED AVAILABLE HEADROOM OR SIDEROOM
CLEARANCES, CONSULT FACTORY
FIGURE 3: SIDEROOM CLEARANCE REQUIREMENT CHART
END OF
AXLE CLEARANCE
OUTSIDE OF
BRACKET
OUTSIDE OF
BRACKET
TENSIONER
END
PUSH UP
NON-TENSIONER
END
HORIZONTAL
HEADROOM
END OF
AXLE CLEARANCE
FIGURE 2: HEADROOM REQUIREMENT CHART
EDGE OF OPENING
EDGE OF OPENING
OPENING
HEIGHT
VERTICAL
HEADROOM
