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No. 12-24 x 1/2 inch (13 mm) Hex-head, Thread-forming Screws No. 12 x 1/2 inch Type AB Screws, Pan-head Actuator (not shown) Note: The DS-3153-1 is factory assembled for outside duct mounting. The components are shown separate for clarity when changing to frame mounting is required. ools Required •...
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H ead B ear in g Crank Arm P ivot B lade P in E xtension P ost U niver sal M ounting B racket D uct Figure 1: Duct Mounting Components 2 Acutator Literature—DS-3153 with Universal Mounting Bracket Installation Bulletin...
Note: On ducts with outside insulation, the universal mounting bracket can be attached to the duct with the spacers supplied and the No. 12-24 x 2 inch thread forming pan-head screws. Acutator Literature—DS-3153 with Universal Mounting Bracket Installation Bulletin 3...
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5. Thread the nut onto the pivot post in the channel of the universal mounting bracket and tighten. 2. Remove the nut securing the pivot post from the universal mounting bracket channel. 4 Acutator Literature—DS-3153 with Universal Mounting Bracket Installation Bulletin...
Figure 11. Do not tighten at this time. For right-hand CCW open dampers, position the link above the blade centerline. For right hand CW open dampers, position the link below the blade centerline. Acutator Literature—DS-3153 with Universal Mounting Bracket Installation Bulletin 5...
“C” position in long slot for normally closed applications and midway between “C” and “D” in the short slot for normally open application on airfoil blade dampers. Acutator Literature—DS-3153 with Universal Mounting Bracket Installation Bulletin 7...
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Controls Group FAN 268.1 507 E. Michigan Street Damper and Actuator Manual P.O. Box 423 Printed in U.S.A. Milwaukee, WI 53201 8 Acutator Literature—DS-3153 with Universal Mounting Bracket Installation Bulletin...
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