SERIES 28A BOILER INSTALLATION AND OPERATION INSTRUCTIONS | Page 11 |
Figure 8 - Burner Mounting Plate Details
Observation Port Assembly, Figure 9 | Figure 9 - Observation Port Assembly |
1.Position the hinged end of the steel flapper door,
# 5, over the boss on the observation port cover,
# 4.
2. Drive the expansion pin, # 7, through the hinge bosses to secure the door to the cover.
3. Insert the hex bolt, # 6, through the hole in the observation port cover.
4. Install the spring, nut and knob, #"s 3, 2 & 1 on the bolt as shown. Use the nut as a jam nut against the knob.
5.Apply the insulating tape to the back of the observation port cover as shown.