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WARNING
• Do Not try to remove, repair or adjust
springs or anything to which door spring
parts are fastened, such as, wood blocks,
steel brackets, cables or other like items.
Repairs and adjustments must be made by
a trained service person using proper tools
and instructions.
• Handles and other door projections can
catch clothing. Remove ropes, hooks,
hangers, decorative or security items
mounted to door.
• Be sure Emergency Release Cord does not
catch on roof carrier or other vehicle parts.
1.
Establish center line of door and header (Fig. 2-1).
• Close door.
• Measure door width. Mark center.
• Use straight edge to draw vertical line “V.”
– down door about 6”.
– on top of door.
– up header about 20”.
2. Establish Header Bracket position (Fig. 2-2).
• Watch top edge of door as you raise it.
• Stop door when top edge reaches highest point
of travel.
• Measure distance from top edge of door to floor.
• Add 2-1/2” to this measurement.
• Close door.
• Mark header at this height.
• If door spring is in the way, mark header 2-1/2”
above the spring.
• Draw horizontal line “H” across line “V” at this
point (Fig 2-1).
NOTE: Header bracket must be at least 2-1/2” above
high point of door travel. It can be installed higher if
door spring is in the way. Do Not move the spring.
Fig. 2-2
Door
Header
Line “H”
Line “H” Can Be
Drawn Above
Spring
Fig. 2-1
Line “V”
(Vertical Center Line
of Door)
Inside of Door
Alternate Mounting Methods
NOTE: Materials for mounting are not included
Angle Iron Method Conduit Method