4-106. FAN VENT ASSEMBLY REPLACEMENT (M348A2K AND M348A2N) (Con't).
CLEANING AND lNSPECTION
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 10OF-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.
Clean all parts with dry cleaning solvent and dry thoroughly. Ensure that bonding surfaces on cover and
semitrailer for gaskets and frame are clean and dry
Inspect cover and frame for warpage and distortion. Straighten if necessary.
Inspect hinge for straightness and deterioration. Replace hinge if damaged.
Inspect all other parts for defects and damage. Replace defective and damaged parts.
Use adhesive (Item 4, Appendix E) to install new top and bottom gaskets (1 9) and two new side gaskets (24) on
Install each catch (23) on cover (13) using two new rivets (22),
Install each stay (14) on cover (13) using two screws (12), new Iockwashers (15), and nuts (16).
Install hinge (6) on cover (13) using six new rivets (11).
Install each fastener (18) in frame (1) using two screws (2) and new Iockwashers (3).
Install hinge (6) and spacer (5) on frame (1) using eight new rivets (7).
Open cover (13) and secure each stay (14) to frame (1) using screw (4).
Apply adhesive (Item 2, Appendix E) around frame flange. Open cover (13) and install frame (1) on semitrailer
using 16 new rivets (17).
Install shield (8) and plate (9) on semitrailer using five screws (10).