TM 9-2330-246-14
4-93. MAlLBOX CHUTE AND COVER REPLACEMENT (M348A2K AND M348A2N) (Con't).
b.
CLEANING AND INSPECTION
WARNING
Dry cleaning solvent, P-D-680, Is toxic and flammable. Always wear protective goggles
and gloves, and use only in a well-ventilated area. Avoid contact with skin, eyes, and
clothes, and DO NOT breathe vapors. DO NOT use near open flame or excessive heat.
The solvent's flash point is 100F-138F (38C-59C). If you become dizzy while
using cleaning solvent, Immediately get fresh air and medical help. If solvent contacts
eyes, Immediately wash your eyes and get medical aid.
1.
Clean all parts with dry cleaning solvent and dry thoroughly. Ensure that all traces of old adhesive and caulking
compound are removed and mating surfaces are clean and dry.
2.
Inspect cover for warpage and distortion. Straighten as necessary.
Inspect hinge for straightness and deterioration. Replace defective hinge.
3.
4.
Inspect chute for bends, dents, and distortion. Straighten as necessary.
Inspect all other parts for defects and damage. Replace defective and damaged parts.
5.
INSTALLATION
c.
1.
Use adhesive to install two new gaskets (13 and 14) on cover (7).
2.
Apply caulking compound to chute flange. Install chute (1) on door using seven new rivets (2).
Install keeper (17) on chute (1) using two flatwashers (16) and new locknuts (15).
3.
4.
Install hinge (4) on cover (7) using seven new rivets (6).
Install hinge (4) with cover (7) and spacer (3) on chute (1) using seven new rivets (5).
5.
Install bushing (12), latch (1 1), flatwasher (10), spring washer (9), and new locknut (8) on cover (7).
6.
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