babcockdavis BFDF Installation, Operation And Maintenance Manual page 8

Note: Doors with more than two springs per door will be shipped
with the springs loose within the housing. These springs must be
secured in place before operating the door.
4. Engage Springs
a. Manually open the door to the 90-degree position. The
hold open arm, will automatically hold the door open.
b. While in the 90-degree position the spring should settle on
the plate at the bottom of the housing.
c. Slide in the keeper extension until it rests on the spring.
(Figure 1)
d. Slide the spring keeper down until it touches the top of the spring keeper
extension. Using a ½-inch wrench tighten the two hex head screws.
e. Disengage the hold open arm to test the closing and opening operation. If the
door does not close fully, slide the keeper back away from the keeper
extension and retighten.
5. Adjust Spring (optional)
Note: Spring position is factory set. Adjust only if field conditions
require more or less spring force.
a. Open the door to the 90-degree position, the hold open
arm will automatically hold the door open.
b. First, disengage the spring by loosening the two hex
head screws in the spring keeper. (Figure 2)
c. Slide the keeper down toward the keeper extension to increase the force, or
away from the spring to decrease the force, and re-tighten the hex head
screws.
d. Disengage the hold open arm to test the closing and opening operation.
Great Products. Better Partners.
Babcock-Davis is a leader in roof hatches, smoke vents and safety railings for the commercial roofing market. We also
manufacture architectural access and safety-related building products for commercial structures. Babcock-Davis provides
local connections through a broad distribution network to accelerate and simplify the building process for contractors and
building owners, offering hassle-free services including access to technical experts, REVIT tools for BIM, HPDs for LEED v4, 3-
part specifications and AIA-accredited continuing education courses.
courses.
Installation & Operation + Maintenance
FIRE-RATED FLOOR DOORS
Model: BFDF
©2021 Babcock-Davis
Figure 1
Figure 2
8
Rev 07/2021