Modulex EXT Commercial Series Boilers User Manual
CHAPTER 8: Maintenance Schedule
OMM-0095_0H AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, NY 10913 Page 129 of 144
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Disassembling the Boiler for Maintenance – Continued
9. In order to hold up the burner assembly in place, lift up the front of the burner assembly
until the two lift pins are aligned with the left and right side tab holes (refer to Figure 8-13).
Figure 8-13: Location of Burner Assembly Lifting Screw (Step 9)
10. Use a 4mm hex wrench to adjust the screw until it extends into the tab hole (Figure 8-14 &
8-15).
Figure 8-14: Unscrewing Lift Screw into Tab Hole (Step 10)
Figure 8-15: Left and Right Lift Screws Extended into Tab Holes (Step 10)
Elevate the burner assembly slightly to line
up this screw with the tab hole.