Lennox ELITE Series Installation Instructions Manual page 38

Cleaning the Burners
NOTE - Use papers or protective covering in front of the
furnace during cleaning.
1 - Turn off both electrical and gas power supplies to
furnace.
2 - Label the wires from gas valve, rollout switches,
primary limit switch and make-up box then disconnect
them.
3 - Disconnect gas supply piping. Remove the screw
securing the burner box cover and remove cover.
Remove the four screws securing the burner manifold
assembly to the vestibule panel and remove the
assembly from the unit.
Ignitor
Rollout
Switches
Sensor
4 - To clean burners, run a vacuum cleaner with a soft
5 - Reinstall burner box, manifold assembly and burner
6 - Re-install gas supply and turn on electrical power to
BURNER REMOVAL
Manifold And Gas Valve
Figure 33
Page 38
brush attachment over the face of burners. Visually
inspect inside the burners and crossovers for any
blockage caused by foreign matter. Remove any
blockage. Figure 33 shows burner detail.
box cover.
furnace.
Retention Rings
Cross Over