Furnace Installation and Owners Manual
19
LDJ620_E01_R03_2006.03
Models LDJ620-9 and LDJ620-10
• Clean Heat Exchanger Tubes
Pull heat exchanger scraper (4) all the way
out and push back in. This operation removes
ash buildup on the heat exchanger tubes and
maintains the efficiency of the furnace.
• Inspect Air Filter
Remove door (5) on rear of furnace and
inspect air filter. Replace as necessary.
Monthly Maintenance
• Replace Air Filter
Remove door (5) on rear of furnace and
replace air filter.
Annual Maintenance
• Inspect Chimney Pipe
Remove and inspect all chimney pipe
connections. Clean out ash buildup in pipes.
Replace any pipe showing any signs of
“burning through”.
• Inspect Motors
Clean, oil, and inspect all blower and auger
motors. This includes the burner fan (6), main
blower fan (accessed through filter door),
burner auger (7), and storage bin auger (8).
4
5
6
7
8
