MWO-9-2300-200-20-1
MODIFICATION OF 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
SEPTEMBER 1991
MWO-9-2300-200-20-1 - Page 2 of 10
MWO 9-2300-200-20-1
2. PRIORITY.
a. This modification is classified “NORMAL” as a result of Advisory Operational Safety-Of-Use Mes-
sages (SOUM):
SOUM, TACOM, AMSTA-MVM, 012100Z Jul 85
SOUM, TACOM, AMSTA-MVM, 130850Z Dec 85
SOUM, TACOM, AMSTA-MVM, 132000Z Jan 86
SOUM, TACOM, AMSTA-MVM, 081200Z Jan 86
b. Operating restrictions contained in the above SOUMs remain in effect until this modification is applied.
c. Equipment in use (including equipment in supply or maintenance activities below depot level and
equipment in administrative storage). Equipment in use will be modified as soon as possible but no later than
the scheduled completion date. Equipment not modified after expiration of MWO completion date will be re-
ported as NOT MISSION CAPABLE in accordance with applicable Army regulations.
d. Equipment in wholesale depot supply or maintenance activities. All MWOs, to include MWOs which
have been incorporated into DMWRs, will be accomplished on serviceable materiel prior to issue and/or sub-
sequent to scheduled completion date. Operational project stock stored at the depots will be modified concur-
rently with depot stock. Issue of unmodified materiel is prohibited. The MWO will be applied to unserviceable
materiel during scheduled depot maintenance.
e. Prepositioned stock. Equipment which is prepositioned will be modified during cyclic maintenance
consistent with TM 38-450.
3. END ITEMS OR SYSTEMS TO BE MODIFIED.
The following 6-ton tactical expansible van semitrailers and 2-1/2 and 5-ton truck expansible vans are to
be modified:
MODEL
M313
M447
M447C
M749
M750
M291A1
M291A1D
NSN
LIN
S74490
n/a
n/a
S74832
S74832
X62237
X62271
MODEL
M291A2C
M820
M820A1
M820A2
M292A1
M292A2
M292A5
NSN
LIN
n/a
X62237
n/a
X62271
X61929
X61929
X62203
4.
MODULE (COMPONENTS, ASSEMBLIES, SUBASSEMBLIES, BOARDS, AND CARDS) TO BE
MODIFIED.
Not applicable.
5. PARTS TO BE MODIFIED.
Not applicable.
6. APPLICATION.
a. Time Compliance Schedule. The effective date of this MWO is 1 April 92 and its completion date is 31
Dec 96.
b. Level of Maintenance Authorized to Apply the MWO: This modification will be accomplished by Organ-
izational Maintenance.
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