IF  Fuel Consumed Is Normal: Resume normal fuel management.
* * * *
IF  Fuel Flow Responds, Other Indications Are Normal, And Idle Fuel Flow Is Normal:
Monitor fuel usage to confirm normal consumption and
distribution.
* * * *
MD-80 Flight Manual  Continental  Sec. 3 Page 63 Rev. 05/15/95  #23 
FUEL HEAT ON LIGHTS FAIL TO GO OFF AFTER ONE MINUTE 

Fuel Heat Timer CB’s (K & L 29)..................................................... PULL

Monitor engine oil temperature.
* * * *
Sec. 3 Page 64 MD-80
Rev. 05/15/95 #23 Continental Flight Manual

FUEL LEAK

Note:  Fuel leak may be indicated by main tank imbalance and/or L or R INLET FUEL PRESS LOW light on, significant differences between fuel quantity decrease and fuel used or uncommanded filling of a tank.
Fuel Boost Pump Switches (Tank With Greater Quantity)............ON
Fuel Boost Pump Switches (Tank With Lesser Quantity)............. OFF

IF  There Is An Uncommanded Filling of a Tank (Tank Quantity
Increasing/Decreasing at Other Than Normal Rate):

Fuel X-FEED Lever.............................................. AS REQUIRED

Move the FUEL X FEED lever to ON (as required) and move fuel boost pump switches for supplying tank(s) to ON intermittently OR as required to make fuel available and to maintain balance. Note: Maintaining 2500 lbs in right main tank will minimize chance of left engine drawing air (if it is on suction feed). Land at nearest suitable airport.

* * * *
IF  Fuel is Going Overboard (Difference Between Fuel Quantity
Decrease and Fuel Used):

Fuel X-feed Lever....................................................................OFF

Land at nearest suitable airport. IF There Is A Failure of Engine Using Suction Feed OR Fuel Continues To Go Overboard AND Fuel Leak Is Not In The Wing AND Fuel Needed To Land Is Critical:
Throttle (Affected Engine) ............................................. IDLE Fuel Lever (Affected Engine)...........................................OFF ENG FIRE Handle
(Affected Engine)........................PULL (DO NOT ROTATE)
Fuel X FEED Lever.......................................AS REQUIRED

Move the FUEL X FEED lever to ON (as required) and move fuel boost pump switches for supplying tank(s) to ON intermittently as required to make fuel available and to maintain balance.
* * * *
MD-80 Sec. 3 Page 65
Flight Manual Continental Rev. 05/15/95  #23

FUEL TANK QUANTITY INDICATOR INOPERATIVE /
ERRONEOUS

Note:  Individual tank reading and the totalizer are allowed an error of ± 100 lbs each.
After the center tank quantity is depleted, it is normal for 50 lbs to reappear during cruise or descent. Readings in excess of 100 lbs should be reported to maintenance.
Test / Channel Selector Knob ..............................OTHER CHANNEL

Rotate the TEST button on the digital fuel quantity display to the
other channel (A or B).
Fuel Tank Quantity Is Normal:
Continue flight with the operating system.

* * * *
IF Fuel Tank Quantity Is Abnormal:
Fuel Quantity Power Transfer CB (J 24) .......................................................RESET IF TRIPPED
Note:  Operative fuel quantity indicators may be used with engine fuel consumed indicators for determining fuel remaining.
* * * *
Sec. 3 Page 66 MD-80
Rev. 05/15/95 #23 Continental Flight Manual

GROUND FUEL TRANSFER

Note:  This procedure is used to correct a main tank fuel imbalance and assumes AC power is available.
Coordinate with ground crew for operation of defueling and fill
valves. Fuel Boost Pumps (In Tank With Excessive Fuel) .................................ON All Other Boost Pumps ......................................................................... OFF IF Transfer Is From Left Main Tank:
FUEL X-FEED Lever ......................................................................ON

Request ground crew to open defueling valve and fill valve (for tank to be filled).
- - - - - WHEN TANK LEVELS ARE AS DESIRED- - - - -Fuel Boost Pump Switches .................................................................... OFF FUEL X-FEED Lever ........................................................................... OFF
Request ground crew to close defueling and fill valves.
* * * *
MD-80 Sec. 3 Page 67
Flight Manual Continental Rev. 08/01/98  #27

INLET FUEL PRESS LOW LIGHT ON

Note:  When operating on suction feed, INLET FUEL PRESS LOW light will remain on. Under all fuel temperature conditions, suction feed capacity is enhanced with an increase in fuel flow. If required, descents should be made at a higher engine power and with speed brakes extended. 
　
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