3 Assemble block
Sections are top heavy. Unbolted sections may fall if not supported, resulting in severe personal injury or death.
Install back refractory blanket
1.Lay back section on floor with ports face up.
2.Apply adhesive to blanket.
3.Press blanket against back target wall as shown in Figure 4.
4.Using knife, cut hole through blanket to expose observation port opening.
Prepare back section
1.Apply 1/8" continuous bead of sealing rope adhesive in sealing rope grooves. See Figure 4. Do not get any adhesive on machined port surfaces.
2.Place ½" sealing rope in groove. Around curves, grasp at 1" intervals and push together. Do not stretch.
Do not
3.Remove any grit from port machined surfaces with clean rag.
Do not use
4.Place 7½" and 3½" sealing rings in appropriate port openings. See Figure 4. If sealing ring slips out of groove, stretch ring gently for several seconds, then reposition in groove.
5.Apply continuous bead of silicone sealant no larger than
1/16" around entire outside edge of outer machined surface of port. Refer to Figure 5. Do not apply silicone sealant on, next to or under sealing ring.
Silicone sealant applied as specified above prevents unburned oil vapors from coming in contact with sealing ring.Vapor contact can damage rings, resulting in severe damage to boiler and substantial property damage.
6.Position section upright on foundation (if used) and screw 3" pipe at least 22" long into 3" return tapping.
7.Place a block under pipe to hold section upright.
Figure 4 Sealing rope installation | Figure 5 Silicone sealant |
6 | Part No. |