4-91. DOOR SEALS AND GASKETS REPLACEMENT.
This Task Covers:
b. Cleaning and Inspection
General mechanic's tool kit
Drill bit set
ZFour Iockwashers (XM1005)
Fifty rivets (M373A2D)
On all semitrailers except M373A2D, open door (2) and remove seal (1) from groove in door frame.
On M373A2D semitrailers, open door (6) and remove 50 rivets (9) securing top and bottom retainers (10) and
side retainers (8) and remove retainers. Remove RFI seal (7) from groove in doorframe, Discard rivets.
Outer handles (4) are provided with a gasket (5). To remove gasket, remove three rivets (3) securing outer
handle to door (2) and remove outer handle and gasket. Discard rivets.
On XM1005 semitrailers, remove four screws (14) and Iockwashers (13). Remove door post (12) and RFI gasket
(11). Discard Iockwashers.
CLEANING AND lNSPECTION
Ensure that door opening is free of dust, dirt, grease, and old adhesive.
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.
On M373A2D and XM1005 semitrailers with RFI shielding, use fine steel wool to remove any accumulated
grease and grime. Clean with dry cleaning solvent and dry thoroughly. Wipe clean to bare metal for good
contact with RFI shielding.