65-92131 Dual Auxiliary Trolley Modification (M15 Mod) H & J, #41 Chain
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65-92131 Dual Auxiliary Trolley Modification (M15 Mod) H & J, #41 Chain is available for shipping.
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Description
Description
If a side-mount door operator is used on a standard lift door without this modification, door cables may unravel and jump off cable drums, allowing the door to fall. This modification provides drawbar-type operation on very wide (over 22 ft.) standard lift sectional doors where a side-mount door operator is preferred over a drawbar operator. The output shaft of the side-mount operator is connected to a cross-header shaft, which in turn is coupled to the drive shafts of two auxiliary trolley systems. Includes up to 12 ft. of track. For door operators utilizing #48 chain, typically 1/3 and 1/2 HP Door Operators, use model (65-9213). For 3/4 HP and higher door operators, use model (65-92131).
NOTES:
1. Requires limits be reversed on operator when ordered with a Logic 5.0 operator. When ordering with Mechanical Powerheads, the (M67) Reverse Limits Modification should also be ordered.
2. Requires Delay-on-Reverse feature, which is standard with Logic 5.0 operators. When ordered with Mechanical Powerheads, the (M60) Delay-on-Reverse Modification should also be ordered, see (Part II).
3. Door width required when ordering.
4. Indicate door height when ordering. For doors over 12 ft. high, add rail upcharge.
ADDITIONAL TRACK—Required for doors higher than 12 ft.
