MWO-9-2320-279-20-5
MODIFICATION OF M978 HEAVY EXPANDED MOBILITY TACTICAL TRUCK (HEMTT) TANKER
MODIFICATION WORK ORDER; FRONT TANK VENT TO SAFELY ROUTE VENTED FUEL
APRIL 1993
CHANGE 1
MWO-9-2320-279-20-5 - Page 4 of 10
Nomenclature
Drain vent kit
Includes:
Reducer bushing
Elbow
Hose mender
Hose clamp
Vent hose
Cushion clip
Plug
Cushion clip
Screw
Lockwasher
Nut
MWO 9-2320-279-20-5
Table 4. Part and Security Classification
NSN
PN
166OOOOU
1655620
1655610
1655600
306BX19
1655630
2288HX
1655590
2287HX
420AX1
351AX
434AX1
CAGE
45152
45152
45152
45152
45152
45152
45152
45152
45152
45152
45152
45152
Qty
Classified
1
Unclassified
1
1
1
3
1
2
1
1
2
2
2
Unclassified
Unclassified
Unclassified
Unclassified
Unclassified
Unclassified
Unclassified
Unclassified
Unclassified
Unclassified
Unclassified
(2) Kit shipping data:
b. Contents of MWO Kits: Refer to Table 4.
c. Bulk and Expendable Material: Not applicable.
d. Parts Disposition. Not applicable.
9. SPECIAL TOOLS; JIGS; TEST MEASUREMENT AND DIAGNOSTIC EQUIPMENT (TMDE); AND
FIXTURES REQUIRED.
Not applicable.
10. MODIFICATION PROCEDURES.
a. Prepare vehicle for installation.
(1) Insert plug (1) into vent open-
ing (2).
(2) Mark vent shield (3) as shown
in Figure 1.
Do not cut into vent opening
when cutting shield.
(3) Cut vent shield (3) using a
hacksaw.
(4) Sand sharp edges and re-
move burrs from vent shield (3).
(5) Remove and discard plug (1).
Figure 1
3
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