Lennox Hearth LBF-BB ユーザーズマニュアル

NOTE: DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE

LENNOX HEARTH PRODUCTS  •  LBF SERIES BI-FOLD GLASS DOORS  •  INSTALLATION INSTRUCTIONS

Before installing 36LBF/LBF-BS and 42LBF/LBF-BS bi-fold doors, the 

deflectors and center clip must be installed on the firebox. 

Step 1. Refer to Figure 3, below. Using a Phillips screwdriver, remove 

the three (3) factory-installed screws in the lower face of the firebox. 

Step 2. Position the left and right deflectors and the center clip as shown 

below, and attach using the three screws.

Step 3. Proceed to bi-fold door installation procedures on the next page.

Before installing 50LBF/LBF-BS bi-fold doors, the vent channels and 

center clip must be installed on the firebox. 
Step 1. Refer to Figure 4, below. While holding one of the vent channel 

components vertically and parallel to one side of the firebox opening, 

insert the top tab into the upper door guide track between the spring clip 

and the inside of the upper door guide track.
Step 2. Align the engagement clip with the lowermost opening along 

the firebox side.
Step 3. Snap the channel into place. 
Step  4.  When  the  vent  channel  is  properly  positioned,  the  holes  on 

each tab will align with the door pin holes at the top and bottom of the 

firebox opening.
Step 5. Repeat this procedure for the other vent channel component.

(Shown pulled 

away for clarity)

Step 6. Remove the factory-installed screw in the center front of the 

firebox. 
Step 7. Position the center clip as shown in Figure 5, below, and attach 

it using the two (2) provided screws.
Step 8. Proceed to bi-fold door installation procedures on the next page.