Opening cranks to Marvin Windows

Question

Gears are stripped
Short arm 4 7/16
Long arm 10 7/8
Entry Guard TRUTH
30842R is stamped on arms
I have multiple to order
I need to measure all arms

Bob · Accepted Answer

This looks like the 39-031 and 39-032 Dual-Arm Operators. The dimensions should match up, but double-check to confirm. For covers and handles that work with these operators, see our 39-114L and 39-107.