AFS-BH430-IBF-ICA
Aerospace
Filtration Systems, Inc.
Revision: B
Proprietary Information
Use or disclosure of this material is subject
32
AFS Bell 230 and 430 IBF
to the restrictions on the title page
Instructions for Continued Airworthiness
This filter contains three (3) seals, two are held is place with adhesive and one is held in place with
fasteners.
Aft Seal
a.
Use a plastic scraper to gently scrape the seal off the Filter Assembly.
Inboard Seal
a.
Use a plastic scraper to gently scrape the seal off the Filter Assembly.
Outboard Seal
a.
Remove the eight (8) MS27039 bolts that that secure the seal to the Filter Assembly.
b.
Remove the retainer and seal, if the seal is to be reused, be careful not to damage the seal.
8.3.3.2
Inspection
Inspect the Filter Seal for any tears, nicks, gouges, missing pieces or a permanent set or flattening
of the Seal. If the Seal exhibits any of these conditions, repair or replace the Seal.
8.3.3.3
Repair
WARNING
ADHESIVE VAPORS (IN SEALANT SUCH AS RTV 736) MAY CAUSE
IRRITATION OF EYES, NOSE, AND RESPIRATORY SYSTEM. EYE
AND SKIN CONTACT WITH MATERIAL MAY CAUSE IRRITATION.
IF INGESTED, MAY CAUSE GASTRIC DISTRESS. FLUSH EYES WITH
WATER FOR 15 MINUTES. WASH SKIN WITH SOAP AND WATER. IF
INHALED, MOVE TO FRESH AIR. IN ALL CASES GET IMMEDIATE
MEDICAL ATTENTION. WORK IN A WELL-VENTILATED AREA.
WEAR GLOVES AND SAFETY GLASSES.
a.
Small tears, nicks, or gouges in the Seal may be repaired using RTV 736 Sealant or equivalent.
Use a wooden tongue depressor, cotton swab, or similar tool to dab a small amount of Sealant
on the damage to repair tears, nicks, or gouges in the Seal. Smooth over Sealant to create a
smooth flush repair similar to the original Seal cross section. Allow to dry before re-installing
filter. If the repair does not allow the Filter Assembly to properly seal against the Adapter
replace the Seal.
b.
If the Seal exhibits extensive tears, deep nicks or gouges, or missing pieces that would prevent
the filter from properly sealing, replace the Seal.
8.3.3.4
Installation
a.
Gain access to the Filter Seals. Refer to Sections 8.3.1.1 and 8.3.2.1
Forward Filter Assembly
Summary of Contents for AFS-BH430-IBF-ICA
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