Looking to replace an old Semco crank handle and arm. Screw on the crank handle was cracked.
Long arm: LH30470
Short arm : L30841
Short arm second part : 20810
Replacing Semco "Entry Guard Truth" casement window mechanism
Quick Learner from Chicago
Mar 26, 2019 8:38 pm
1 user uploaded image
2 Replies
Tom from SWISCO
Mar 27, 2019 1:56 pm
That looks very similar to our 39-031 casement operator but you will need to compare your measurements to the measurements found below.
Dimensions for 39-031
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