4-94. EXHAUST DUCT AND COVER REPLACEMENT (M348A2K AND M348A2N) (Con't).
Remove top and bottom gaskets (25) and two side gaskets (24) from cover (7). Discard gaskets.
From inside semitrailer, remove eight rivets (26) and adapter (1) from door. Discard rivets.
Remove top and bottom gaskets (23) and two side gaskets (27) from adapter (l). Discard gaskets.
CLEANING AND INSPECTION
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 all traces of old adhesive are removed
and mating surfaces are clean and dry.
Inspect cover for warpage and distortion. Straighten as necessary.
Inspect hinge for straightness and deterioration. Replace defective hinge.
Inspect frame for bends, dents, and distortion. Straighten as necessary.
Inspect adapter for warpage, distortion, or other damage. Replace door if adapter is damaged.
Inspect all other parts for defects and damage. Replace defective and damaged parts.
Install new top and bottom gaskets (25) and two new side gaskets (24) on cover (7) using adhesive (Item 4,