TM 9-2330-398-10
2-18.
FUELING/DEFUELING PRECHECK AND OPERATIONS SUMMARY (continued).
(b)
Unload Position. When selector valve E (5) is in unload position, it shuts off pilot pressure to the 4-inch
(10.16 cm) control valve (1). With pilot pressure shut off, the 4-inch (10.16 cm) control valve (1) closes,
eliminating flow through control valve (1) during bulk delivery and fuel-servicing operation.
C.
FUELING/DEFUELING OPERATIONS.
WARNING
All fueling/defueling operations must be performed outside.
NOTE
Refer to Table 2-2, Fueling/Defueling Operations Summary, for a list of paragraphs pertaining to
the semi-trailer.
Table 2-2. Fueling/Defueling Operations Summary
The following operations can be performed with the M969A2 semi-trailer:
BULK HAUL AND FUEL SERVICING NOT INVOLVING USE OF ENGINE AND PUMP
Top Loading ............................................................................................................................Para 2-19a
Bottom Loading (Nonfiltered) ..................................................................................................Para 2-19b
Gravity Unload ......................................................................................................................... Para 2-19c
NONFILTERED FUEL SERVICING INVOLVING USE OF ENGINE AND PUMP
Self-load ..................................................................................................................................Para 2-20a
Bulk Delivery............................................................................................................................Para 2-20b
Nonfiltered Dispensing ........................................................................................................... Para 2-20c
FILTERED FUEL-SERVICING OPERATIONS
Filtered Bulk Delivery...............................................................................................................Para 2-21a
Filtered Fuel Dispensing..........................................................................................................Para 2-21b
WARNING
DO NOT mix incompatible fuels in tank. Dangerous fumes and explosion may result. Know what
fuel was previously carried so that preventive measures may be taken to ensure that injurious or
explosive fumes are not released. Failure to follow this warning may result in injury or death to
personnel.
Changing Fuels. If fuel to be loaded is not the same fuel as previously carried, refer to FM 10-71 for information
2-45