465. Pull out the N 2/O 2 gas injection nozzle and N 2/O 2 gas injection nozzle tube. (See Fig. 4.)6. Pull out the humidifying pan. (See Fig. 5.)7. Loosen the two screws securing the fan cover and take off the fan cover. (See Fig. 6.)8. Lift the duct and remove it from the pins on the rear side. (See Fig. 7.)9. Remove the chamber circulation fan by pulling out the central spring and then by pulling out the fan.(See Fig. 8.)10. Remove the screw securing the clamp for the side support and remove the clamp. (See Fig. 9.)11. Lift the tray brace off of the pins. (See Fig. 10.)Fig. 4 Fig. 5 Fig. 6Fig. 7 Fig. 8Fig. 9 Fig. 10Humidifying panFan coverDuctFanClamp SidesupportGas injection nozzleGas injection nozzle tubeGet other manuals https://www.bkmanuals.com