WARNING A rolling door is a large heavy object that moves with the help of springs under extreme tension and electric motors. Moving objects and springs under tension and electric motors can cause serious injuries or death. For your safety and the safety of others, follow these instructions. potential hazard effect CAN CAUSE SERIOUS INJURY OR DEATH Moving Door CAN CAUSE SERIOUS INJURY OR DEATH Spring Tension caution Use proper lifting equipment and correct lifting procedures to avoid damage or injury.
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STEP 1: WALL OPENING DO NOT CUT BANDS OR WRAPPING UNTIL INSTRUCTED.
D1 RU D1 RU 1” WWW.MUELLERINC.
1” Windlock Clip RUD Guide for W300 Door Jamb Tek Screw Outside of Door Guide Axle Support WALL 6 877-2-MUELLER RUD Curtain
Dual Tensioner Axle WALL Spring Roll Pin Tensioning Hub Set Screw Axle Support Axle WALL Set Screws WWW.MUELLERINC.
DO NOT CUT BANDS OR WRAPPING STEP 9: TENSIONER END Dual Tensioner Door Header Mounting Plate Mounting Bracket Flange 3/8˝ Washer Door Jamb 3/8˝ x 3/4˝ Bolt 8 877-2-MUELLER Guide
Axle Support Door Header Mounting Plate Mounting Bracket 3/8˝ Washer Door Jamb Guide 3/8˝ x 3/4˝ Bolt WWW.MUELLERINC.
Dual Tensioner Mounting Plate Tighten These Bolts Door Jamb Guide 10 877-2-MUELLER
STEP 13: S ETTING SPRING INITIAL TENSION Rotate door two revolutions, rotating the top of the door towards the opening. NOTE: If your building design does not allow for door rotation, lower the door curtain into the guides and follow the instructions in Step 16 to set door tension. Door Jamb 1 x 3/8˝ Carriage Bolt Headstop Bar 3/8˝ Lock Nut Guide 3/8˝ Washer WWW.MUELLERINC.
Windlock Clip RUD Guide for W300 RUD Curtain Door Jamb Tek Screw Outside of Door Guide 12 877-2-MUELLER Close as possible without touching
If Door is hard to open & closes too fast 1/4 Turn If Door goes up too fast & closes too slowly or fails to close completely 1/4 Turn 2 1 WWW.MUELLERINC.
Door Assembly Chain Hoist Assembly Door Jamb Chain Hoist Assembly Axle Support Set Screws Mounting Plate r oo D Inside View of Chain Hoist Assembly er ad He Mounting Bracket 3/8˝ Washer Spur Gear Hand Chain Guide 3/8˝ x 3/4˝ Bolt Hand Chain Keeper Can be attached to door jamb or wall girt 14 877-2-MUELLER
After Installing Guide Plug Installing Guide Plug Guide Guide Guide Plug Guide Plug Hole WWW.MUELLERINC.
