TM 9-2330-356-14
4-inch control valve closes, eliminating flow through the
h.
Load/Unload Selector (M967, M967A1, M969, and
M969A1),
control valve during bulk delivery and fuel servicing
operation.
(1) Before opening any valves for a fuel service
operation, ensure that the unload/load selector valve E
2-12. Fueling/Defueling Operations
handle (fig. 2-19) is in the proper position for the fuel
servicing operation.
WARNING
(2) Load Position. When selector valve E is in the
load position, it directs pilot pressure to the 4-inch control
All fueling/defueling operations must be per-
valve for the bottom loading operation.
formed outside.
(3) Unload Position. When selector valve E is in
a.
the unload position, it shuts off the pilot pressure to the
4-inch control valve. With pilot pressure shut off, the
summary of operations pertaining to your semitrailer.
M967 and M967A1
The following operations can be performed with the M967 and M967A1, Bulk Haul, Self-Load/Unload
Semitrailer:
BULK HAUL AND FUEL SERVICING NOT INVOLVING USE OF PUMP AND ENGINE.
Top Loading
Bottom Loading (Nonfiltered)
Gravity Unload
NONFILTERED FUEL SERVICING INVOLVING USE OF ENGINE AND PUMP
Self-Load
Bulk Delivery
M969 and M969A1
The following operations can be performed with the M969 and M969A1, Automotive Fuel Dispensing
Semitrailer:
BULK HAUL AND FUEL SERVICING NOT INVOLVING USE OF PUMP AND ENGINE.
Top Loading
Bottom Loading (Nonfiltered)
Gravity Unload
NONFILTERED FUEL SERVICING INVOLVING USE OF ENGINE AND PUMP
Self-Load
Bulk Delivery
Nonfiltered Dispensing
FILTERED FUEL SERVICING.
Filtered Bulk Delivery
Filtered Fuel Dispensing