EFCO WV410 User Manual
Page 21
EFCO CORPORATION 2/2014 PART NO. Y007
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WV410 WINDOW - INSTALLATION INSTRUCTIONS
Location of
Optional Limit
Stop
Operating Force
Adjustment Screw
Section X– Vent Removal and Adjustment
Unlock the vent and open the operable vent far enough to expose the hinge attachment screws
STT5 at the WV410 frame. See Figure 25. Support the vent and remove the six (6) hinge
attachment screws from the WV410 frame. Note: If the vent is equipped with an optional limit
stop, this will need to be removed before the vent will open far enough to expose the mounting
screws. The vent can now be removed from the exterior. Reinstall the vent in the reverse order.
The hold open force for the vent can be adjusted by a set screw located in the hinge friction shoe.
See Figure 25. Open the vent far enough to access the set screw. Turn the screw clockwise to
increase the friction, counterclockwise will decrease the friction. Adjust both hinges equally, make
small adjustments, and check operation.
Figure 25
* Drawings on this page are not to scale.
STT4
Hinge Mounting
Screw