737 MAX Flight Crew Operations Manual
Fuel -
Controls and Indicators
12.10.10
MN-FLT-OH-201
Test Gauges and Fueling Panel
1B785, 1B786, 1J585 - 1J594
1B401, 1B402, 1B801 - 1B824
8
FUELING INDICATION TEST SWITCH
(spring–loaded to OFF position)
TEST GAUGES – checks operation of fuel quantity indicators.
FUEL DOOR SWITCH BYPASS – energizes fueling panel if refueling power
control relay fails.
9
Fueling VALVE POSITION LIGHTS
Extinguished –
• fueling valve switch is OPEN and related tank is full
• fueling valve switch is CLOSED.
Illuminated (blue) – fueling valve switch is OPEN and related tank is not full.
RIGHT WING LEADING EDGE
VALVE POSITION LIGHTS
CLOSED
BYPASS
SWITCH
DOOR
FUEL
GAUGES
TEST
OFF
OPEN
OPEN
CLOSED
CLOSED
OPEN
TANK 2
CENTER TANK
TANK 1
FUEL QTY
KG
KG
FUEL QTY
2080
2
2080
1
KG
FUEL QTY
3260
C
10
11
8
9
RIGHT WING LEADING EDGE
VALVE POSITION LIGHTS
CLOSED
BYPASS
SWITCH
DOOR
FUEL
TEST
OFF
OPEN
CLOSED
CLOSED
OPEN
TANK 2
CENTER TANK
TANK 1
FUEL QTY
KG
3260
88888
FUEL QTY
KG
2080
88888
FUEL QTY
KG
2080
88888
GAUGES
OPEN
9
11
12
8
10
March 1, 2021