truth crank 45251 – Robert Brooke Helps https://www.rbahelp.com Helpful Tips and Instructions for Commercial Door, Partition, Locker, Stair Treads, Window Parts, and Bleacher Concerns Wed, 25 Jul 2012 12:17:01 +0000 en-US hourly 1 Truth window 45251 – Is a single arm operator https://www.rbahelp.com/window-hardware/truth-window-45251-is-a-single-arm-operator-with-13-12-arm/ https://www.rbahelp.com/window-hardware/truth-window-45251-is-a-single-arm-operator-with-13-12-arm/#comments Mon, 23 Jul 2012 19:33:11 +0000 http://www.rbahelp.com/?p=315 …
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If you have a housing stamped 45251, they you probably have the Truth Window Operator Wi1532 or Truth Window Operator Wi1531.  The Wi1531 has a 9-1/2″ long arm, and the Wi1532 has a 13-1/2″ long arm.   The Wi1532 is shown below.   The number on the crank is just a casting number but is usually found on the Wi1532 Operator or Wi1531.

Truth window 45251

If you Truth Operator is stamped 45251, then you probably have the Wi1532

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