4-103. POWER ENTRANCE PANEL AND SIGNAL ENTRANCE PANEL REPLACEMENT
(M348A2C, M348A2D, AND M348A2F) (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 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.
Clean all parts with dry cleaning solvent and dry thoroughly. Ensure that bonding surfaces on semitrailer, cover,
and hinge for frame, gasket, and coated cloth 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 shields mounted on cover for warpage and distortion. If shields cannot be straightened, replace cover.
Inspect all other parts for defects and damage. Replace defective and damaged parts.
If removed, press bolts (2) into frame (l). Install wingnuts (16) on bolts. Stake bolts to secure wingnuts.
Install nuts (17) in frame (l).
Signal entrance panel does not have a retainer.
If removed, press bolt (11 ) into cover (6). Install retainer (5) and wingnut (4) on bolt. Stake bolt to secure wingnut
If removed, install captive screws (12) and flatwashers (13) in cover (6) and secure with new retaining rings (14).
Apply metal seam sealing tape around opening where frame installs, Install frame (1) on semitrailer using
Use adhesive to install new top and bottom gaskets (3) and two new side gaskets (15) on cover (6).
Install new coated cloth (7) on hinge (8).
Install hinge (8) on cover (6) using new rivets (10).
Install hinge (8) and cover (6) on frame (1) using new rivets (9).
Install incoming power and signal cables.