1-10.2 Service Ventilation Ducts.
MOS: 81C, Cartographer
TOOLS: Vacuum Cleaner
Flat Tip Screwdriver
a. Cover equipment to prevent dust from entering equipment.
b. Close all doors and cabinets.
c. Remove any documents or other work that may be damaged by dirt/dust.
d. Turn off air conditioner/heater.
Remove four screws from each ventilation duct deflector.
Remove all duct deflectors.
Vacuum dirt or dust from deflector louvers.
Insert vacuum cleaner probe into ventilation duct at each deflector hole, and vacuum as far as probe will reach.
Reinstall deflectors and secure with four screws.
Turn on air conditioner/heater.
Vacuum any dislodged dirt or dust from interior of section.
Remove covers for operation.