MWO effective date is 1 Apr 1992 and completion date is 31 Dec 1996
MODIFICATION WORK ORDER
6-TON TACTICAL EXPANSIBLE VAN SEMITRAILERS AND
2-1/2 AND 5-TON 6X6 TRUCK EXPANSIBLE VANS
ENCLOSURE OF ASBESTOS CLOTH INSULATION IN
VAN BODY HEAT DUCTS
Headquarters, Department Of The Army, Washington, DC
30 September 1991
REPORTING OF ERRORS AND RECOMMENDING IMPROVEMENTS
You can help improve this MWO. If you find any mistakes or if you know of a way to improve these proce-
dures, please let us know. Write a letter or complete and mail in a DA Form 2028, Recommended
Changes to Publications and Blank Forms, to: Commander, U.S. Army Tank-Automotive Command,
Attn: AMSTA-MB, Warren, Ml 48397-5000. A reply will be provided to you.
Approved for public release; distribution is unlimited.
The purpose of this modification is to enclose (seal up) asbestos cloth insulation contained
inside heat duct areas in fielded M313/M447/M749/M750 6-ton tactical van semitrailers, and
M292A1/M292A2/M292A5 2-1/2 ton truck vans and M291 A1/M291A2/M291A2C/M820/M820A1/M820A5
5-ton 6x6 truck vans. Insulation enclosure will eliminate friable asbestos fibers from the van body breathing
zone, thus maintaining a hazard-free inhalation environment. This modification will further render target truck
vans/semitrailer vans safe in compliance with Occupational Safety and Health Administration (OSHA), De-
partment of Defense (DOD), Department of the Army (DA) and Environmental Protection Agency (EPA) stan-
dards for permissible exposure levels to environmental carcinogenic fibers/materials.