AERCO Modulex EXT 321 - 1123 - Manual (Page 134)

MODULEX EXT 321, 481, 641, 802, 962, 1123 BOILERS
Installation, Operation & Maintenance Manual
Disassembling the Boiler for Maintenance – Continued
Figure 7-21 Lifting Burner Assembly and Location of Check Valve
(Step 1)
Figure 7-22: Lift Pins Inserted into Lift Holes, Left and Right Sides (Step 15)
7.11 Cleaning the Burner Module and Combustion Chamber
After lifting up the burner assembly, the individual burner modules are now exposed and may be
cleaned. Follow the instructions to clean the burner modules.
Cleaning the Burner Modules
Figure 7-23: Burner Modules Exposed for Cleaning
NOTE
The check valve (1 in
Figure 7-21) should at this
time be checked to ensure
that it moves freely and
closes properly.
Page 134 of 148 AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, NY 10913 OMM-0087_0E
12/01/14 Phone: 800-526-0288 GF-143