Refractory, Logs/Grate And Valve Assembly Removal - Heatilator CNXT4236IT-C Owner's Manual

C. Refractory, Logs/Grate and Valve As-
sembly Removal
It may become necessary to remove the refractory, logs/
grate and valve assembly. This task should be performed
by a qualifi ed service technician. The refractory and base
pan do not need to be removed to service the burner as-
sembly.
Figure 3.2 Top Refractory Removal
Figure 3.3 Side Refractory Removal
Figure 3.4 Back Refractory Removal
16 Heatilator • CNXT4236IT-C, CNXT4842IT-C, CNXT4236IH-C, CNXT4842IH-C • 2208-900 Rev. M • 7/14
1. To remove the top refractory panel, lift the top refractory
panel up, slide the side panel forward. See Figure 3.2.
2. To remove the side refractory panels, slide the panel
forward as shown in Figure 3.3.
NOTICE: The back panel may fall forward when side
panels are removed. Damage could occur.
3. Remove the back refractory panel by lifting it over the
burner assembly. See Figure 3.4.
4. Remove the two top logs from the log/grate assem-
bly. These logs are not secured to the assembly with
screws. See Figure 3.5.
Figure 3.5 Remove Top Two Logs
5. Remove screw from each tab at the front of the log/grate
assembly that secures the assembly to the base pan.
See Figure 3.6
Figure 3.6 Remove Screws from Front Tab