Table 2-1. Operator Preventive Maintenance Checks And Services.
Inspect for missing covers. Inspect for
Return Air Port
cracks/holes/bent covers. Inspect for security of
chain. Ensure covers have been removed from
all three locations.
Inspect for holes or tears in fabric. Inspect
Holes or tears in
Return Air Ducts
clamps for wear and sharp edges. Inspect for
missing, broken or loose clamps. Tape minor
missing, loose or
holes or tears in fabric (Item 14, App E).