TBM
PILOT’S OPERATING HANDBOOK
700
SECTION 7
DESCRIPTION
Page 7.7.4
Rev. 8
AUTOMATIC TANK SELECTOR
(Figures 7.7.2 and 7.7.3)
Automatic tank selection allows, without pilot’s intervention, feeding the
engine from one tank to the other in predetermined sequences. These
sequences depend on airplane configuration (ground, in--flight, fuel low level
warning lights illuminated).
Automatic tank selection system comprises an electronic box (sequencer),
an actuator attached on fuel unit, ”FUEL SEL” two--position selector
(”AUTO”, ”MAN”) and ”SHIFT” knob located on ”FUEL” panel as well as
”AUTO SEL” warning light located on advisory panel.
To operate the automatic selector, set ”FUEL SEL” switch to ”AUTO” position
and manual selector to “R” or “L”.
Selector operation
When the system is operated, ”AUTO SEL” warning light goes out ; the
sequencer chooses a tank (”R” or ”L”) and through the actuator, positions the
fuel unit selector on the selected tank. The sequencer controls the time
during which the selected tank will operate. This time varies, depending on
airplane conditions.
Airplane on ground : tank is changed every minute and 15 seconds.
Pre--MOD70--402--28
Airplane in flight : tank is changed every ten minutes, as long as ”FUEL L. LO”
or ”FUEL R. LO” low level warning light is not illuminated. When the first low
level warning light illuminates, the sequencer immediately selects the other
tank. The selected tank will operate until the second low level warning light
illuminates. When both low level warning lights are illuminated, the
sequencer changes tanks every minute and 15 seconds.
Post--MOD70--402--28
Airplane in flight : tank is changed every five minutes,as long as ”FUEL L. LO”
or ”FUEL R. LO” low level warning light is not illuminated. When the first low
level warning light illuminates, the sequencer immediately selects the other
tank. The selected tank will operate until the second low level warning light
illuminates. When both low level warning lights are illuminated, the
sequencer changes tanks every minute and 15 seconds.
Summary of Contents for TBM 700
Page 5: ...SECTION 0 TBM 700 PILOT S OPERATING HANDBOOK Page 0 5D Rev 6 INTENTIONALLY LEFT BLANK ...
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Page 667: ...TBM 700 850 SUPPLEMENT 6 BFG STORMSCOPE Page 9 6 8 Rev 6 INTENTIONALLY LEFT BLANK ...
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Page 843: ...TBM 700 SUPPLEMENT 41 TBM 700C2 Page 9 41 2D Rev 5 INTENTIONALLY LEFT BLANK ...
Page 851: ...TBM 700 SUPPLEMENT 41 TBM 700C2 Page 9 41 8B Rev 5 INTENTIONALLY LEFT BLANK ...
Page 858: ...SUPPLEMENT 41 TBM 700C2 TBM 700 Page 9 41 11D Rev 5 INTENTIONALLY LEFT BLANK ...
Page 868: ...SUPPLEMENT 41 TBM 700C2 TBM 700 Page 9 41 15F Rev 5 INTENTIONALLY LEFT BLANK ...
Page 926: ...SUPPLEMENT 41 TBM 700C2 TBM 700 Page 9 41 73 Rev 5 INTENTIONALLY LEFT BLANK ...
Page 930: ...SUPPLEMENT 41 TBM 700C2 TBM 700 Page 9 41 77 Rev 5 Figure 9 41 37 2 2 SEATS ...
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Page 951: ...TBM 700 SUPPLEMENT 43 PROVISION FOR TBM 700C2 Page 9 43 2 Rev 0 INTENTIONALLY LEFT BLANK ...
Page 957: ...TBM 700 SUPPLEMENT 43 PROVISION FOR TBM 700C2 Page 9 43 8 Rev 0 INTENTIONALLY LEFT BLANK ...
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Page 963: ...TBM 700 850 SUPPLEMENT 44 CHIP DETECTION SYSTEM Page 9 44 6 Rev 1 INTENTIONALLY LEFT BLANK ...
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Page 973: ...SUPPLEMENT 53 MULTI MISSION AIRCRAFT TBM 700 850 Page 9 53 2 Rev 0 INTENTIONALLY LEFT BLANK ...
Page 987: ...SUPPLEMENT 53 MULTI MISSION AIRCRAFT TBM 700 850 Page 9 53 16 Rev 0 INTENTIONALLY LEFT BLANK ...