Rt. & Lft. Dual arm casement crank assemblies

Quick Learner from Creedmoor N C

Oct 8, 2020 6:13 pm

These are single windows 30" x 50"
Made by Hurd
Installed about 2002
White
Long strait arm is about 9.5"; jointed arm (passing over start.arm) eachpiece is about 4.5" & is mounted to window w/a bracket.
Long arm mounts to window in a slide.

2 user uploaded images

2 Replies

Bob from SWISCO

Oct 12, 2020 2:42 pm

This looks like either the 39-253LB and 39-253RB, or the 39-438B and 39-439B to me. The difference between these two sets of operators is illustrated in the video below.