AFS-BH430-IBF-ICA
Aerospace
Filtration Systems, Inc.
Revision: B
Proprietary Information
Use or disclosure of this material is subject
41
AFS Bell 230 and 430 IBF
to the restrictions on the title page
Instructions for Continued Airworthiness
d.
Remove Filter Maintenance Aid.
8.5.3.2
Inspection
a.
Inspect the Filter Maintenance Aid and associated mounting for discoloration affecting
readability, cracks, deformation, missing or damaged components, and serviceability.
b.
Inspect the Filter Maintenance Aid Plenum Tube Assembly for debris and insure that the tube is
clear and unobstructed.
c.
Inspect the associated components, such as the Mount Assembly and hardware for missing
components, cracks, distortion or deformation, scratches or gouges, or missing protective
coatings.
8.5.3.3
Troubleshooting
See Troubleshooting Guide, Table 3.
8.5.3.4
Calibration / Repair
The construction details of the component do not warrant field maintenance. Repair of this
component requires the component to be sent back to AFS for disposition, or replacement.
8.5.3.5
Adjustment
The Filter Maintenance Aid is designed to hold the highest differential pressure across the filter
assembly reached during the last flight, and can be reset by depressing the yellow button marked
“PUSH TO RESET” located on the end of the filter maintenance aid (See Figure 2).
8.5.3.6
Repair
a.
The construction details of the component do not warrant field maintenance. Repair of this
component requires the component to be sent back to AFS for disposition, or replaced.
b.
If the Filter Maintenance Aid fails the function check, disconnect the plenum tube assembly
from the Filter Maintenance Aid, and inspect for damage or blockage of the tube assembly.
Inspect the opening on the Filter Maintenance Aid for obstructions. Remove obstructions as
required. Reattach tube assembly and perform function check (Refer to Section 8.5.3.7). If it
fails function check, replace FMA.
c.
Replace damaged sheet metal components of the mount assembly and missing or damaged
hardware.
d.
Re-apply corrosion protection to mount hardware per Table 2.
Summary of Contents for AFS-BH430-IBF-ICA
Page 3: ......