Daher-Socata TBM 900 Pilot's Information Manual page 98

SECTION 3
EMERGENCY PROCEDURES
EASA Approved
Indicates fuel tanks imbalanced by more than 15 USG for more than 30 seconds.
If "FUEL SEL" on AUTO mode
SELECT the fullest Tank
If "FUEL SEL" on MAN mode
SELECT the fullest Tank
Manage the fuel by selecting the fullest tank until fuel imbalance is below 15 USG.
Page 3.3.8
"FUEL IMBALANCE"
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FLY THE AIRPLANE
PILOT'S OPERATING HANDBOOK
by pressing the "SHIFT" push-button
by Shifting the Tank Selector manually
Edition 0 -- October 31, 2013
Rev. 1