L.B. White Oval 80™ Radiant - Manual (Page 11)

HANGING THE TUBES
Refer to Fig. 7 and the following instructions:
1. Slide a 3 in. round tube clamp over the non-swaged
end of 10 ft. bright aluminized tube. (One aluminized
tube per heater.)
2. Install the round tube over the swaged discharge tube
on the burner box.
3. See the illustration below for remaining tube, clamp,
and hangers.
a. Weld seam of round tube must be down.
b. Clamps must be centered over tube connections.
c. Clamp bolts must be up.
d. Clamp bolts must be tight.
-- Tighten both bolts firmly.
-- Tighten both bolts to 35 ft.-lbs.
-- Finish tightening bolts to 44-59 ft.-lbs.
4. Slide on hangers and connect to chains.
5. The tube assembly should be either hung level, or
with a downward slope away from the burner box not
exceeding 1 in. for every 10 ft. of tube.
FIG. 7
11
ROUND TUBE
WELD SEAM DOWN
CLAMP CENTERED OVER
SWAGED DISCHARGE TUBE
AND 3 IN. ROUND TUBE.
CLAMP UP
ROUND TUBE HANGERS
THIS NOT THIS
THIS NOT THIS
OVAL TUBE HANGERS
3 IN. ROUND TUBE
OVAL TUBE
3 IN. ROUND CLAMP