Lennox Hearth 33/40 DV INS Fire Pit User Manual


 
17
NOTE: DIAGRAMS AND ILLUSTRATIONS ARE NOT TO SCALE
Tools Needed:
7/16” wrench
Flat End Screwdriver
Adjustment Procedure:
Step 1 Open the surround access door. Inspect the tension or lack of
tension while opening the door to determine if it should open
easier or tighter.
Step 2 With the access door open you will see the ball screw latch as
shown in Pictures A and B. Using a 7/16” wrench, loosen the
jam nut on the ball screw assembly as shown in Picture F.
Step 3 Once this jam nut is loose you can then adjust the ball screw for
more or less tension using your hand
Picture E or the flat end of
a screwdriver as seen in
Picture D. Turning the screw counter-
clockwise, as you are looking at it, will give you more tension
and turning the screw clockwise will give you less tension.
Step 4 You can then test close the surround access door to ensure it
has proper tension. Readjust if needed.
Step 5 Once proper tension is achieved, hold the ball screw with either
your hand or a flat screwdriver, then using a 7/16” wrench
tighten the jam, counter-clockwise (SNUG ONLY, DO NOT
OVERTIGHTEN).
SURROUND BALL SCREW MOUNT ADJUSTMENT
A
B
C
D
E
F
Jam Nut
Ball Screw
Latch
Ball Screw
Latch
Jam Nut
Ball Screw
Jam Nut
Ball Screw
Latch