C. Apply BMS 3-23 water displacing corrosion inhibiting compound to damaged
finish on exposed surfaces. Refer to Volume 1, 20-60-00 for details of
application of BMS 3-23.
D. After application of BMS 3-23, all grease fittings in the treated area must
be regreased.
E. Precautions for Use of Corrosion Inhibiting Compound.
CAUTION: DO NOT APPLY BMS 3-23 TO AREAS WHICH WILL BE SUBSEQUENTLY PAINTED OR
SEALED.
OBSERVE PRECAUTIONS OF VOLUME 1, 20-60-00 FOR SPRAYING CONTROL CABLES
WITH BMS 3-23.
(1)Apply BMS 3-23 to unpainted hydraulic tubing in the area.
(2) Shield or protect pulleys, wire bundles, etc., in some manner to prevent
direct application of BMS 3-23.
(3)Mask off electrical connectors to avoid application to any electrical
contacts.
(4)Protect oxygen systems, including fittings, from contamination in accor-dance with chapter 35 of the Maintenance Manual.
(5)Do not apply corrosion inhibiting compounds on grease joints or sealed
bearings. These compounds dissolve grease and other lubricants. They are
penetrating compounds and can get around the seals and into the bear-ings.
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CORROSION PREVENTION MANUAL
NOSE LANDING GEAR
F. Improved Corrosion Protection
(1) Steering Metering Valve Module: Airplane line numbers 208,213,217 and on
have modules per PRR 53911 with changes in the shutoff valve. The plunger,
the retainer, and the valve lap assembly are CRES. The manifold has a
drain hole. These changes can be incorporated on other airplanes per SB
32-0076. Parker SB 3800014-32-43 gives instructions for corrosion damage
repair.
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NOSE LANDING GEAR
Nose Landing Gear
Figure 1
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CHAPTER
34
NAVI GAT I ON
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NAVIGATION
AREA PROBLEM INDEX PREVENTION VOLUME 2 TERMINATING ACTION (IF ANY)
Radio Altimeter Antenna Corrosion of fasteners and moisture intrusion into antenna 34-30-01 Inspection, treatment, and replace-ment per SB 34-0035
Traffic Alert Col-lision Avoidance System Corrosion of connectors on lower antenna 34-40-01 SB34-0073
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