Both Fuel Boost Pumps (Affected Tank) ..................... CONFIRM ON
Light Is Out:
Continue normal operation.
* * * *
Light Remains On:
Fuel Quantity Remaining vs. Engine Consumption..........CHECK
Main Tank Balance...........................................................CHECK
Quantity vs. Consumption Is Not Normal and/or Main Tank
Lateral Unbalance Condition Exists:
Refer to FUEL LEAK CHECKLIST, this section.
* * * *
Quantity vs. Consumption Is Normal and There Is No Main Tank Lateral Imbalance:
Monitor engine operation and fuel management closely.
* * * *
Sec. 3 Page 68 MD-80
Rev. 0/01/98 #27 Continental Flight Manual
MINIMUM FUEL APPROACH
Note: This procedure is used if less than 1000 lbs. in each main fuel tank. IF Time Permits: Verify operation of Aft Main Tank Boost Pumps.
Aft Boost Pump Switches (Both Main Tanks).................................ON
Fwd Boost Pump Switches (Both Main Tanks) ............................. OFF
Ctr Boost Pump Switches...................................................BOTH OFF
If neither L or R INLET FUEL PRESS LOW light comes on, both aft pumps are operating.
Note: If both main tank aft boost pumps are inoperative, go around is not recommended.
- - - - - PRIOR TO APPROACH- - - - -
All Operable Fuel Boost Pump Switches................................................ON
Engine Fuel X Feed Lever ......................................................................ON
Engine Ignition........................................................................................ON
Note: If go-around is required, avoid sustained nose up attitude in excess of 10 degrees.
A go-around is not recommended with less than 500 lbs in each main tank.
* * * *
MD-80 Sec. 3 Page 69
Flight Manual Continental Rev. 05/15/95 #23
HYDRAULICS
ENGINE HYDRAULIC PUMP FAILS TO HI (3000 PSI)
Note: Allow sufficient time for system pressure to decrease from 3000 to 1500 psi after selecting LOW.
Affected Hyd Pump Control C/B (S or T 27)....................................................RESET IF TRIPPED
IF The Affected Hyd System Returns To 1500 PSI:
Resume normal operation.
OR * * * *
IF The Affected Hyd System Remains At 3000 PSI:
Eng Hyd Pump (affected system)......................................... HIGH
Continue flight with the pump switch in HIGH.
* * * *
Sec. 3 Page 70 MD-80
Rev. 12/01/00 #29 Continental Flight Manual
HYD PRESS LOW LIGHT(S) ON
TRANS HYD PUMP Switch..........................................................OFF
Quantity Is Low Or Decreasing:
Refer to HYDRAULIC QUANTITY LOSS, this section.
* * * *
IF Quantity Is Not Low Or Decreasing:
Rudder.........................................................VERIFY NEUTRAL
Rudder Trim ...................................................... VERIFY ZERO
ENG HYD PUMP Switch (Affected Side) ............................... HI
IF Right Hydraulic System:
AUX HYD PUMP Switch...................................................ON
IF Quantity Is Abnormally High:
Note: Loss of hydraulic fluid may result in an increasing quantity indication on the affected side due to foaming.
Caution: Do not operate transfer pump or both systems may lose hydraulic pressure. Several minutes and/or descent to FL300 or below may be required to regain hydraulic pressure in an operating system after the TRANS HYD PUMP switch is moved to OFF.
Wait several minutes at FL300 or below for system to stabilize. Quantity Is Low Or Abnormally High: Refer to HYDRAULIC QUANTITY LOSS, this section.
* * * *
IF Quantity Is Normal:
Continue at .
(Continued)
MD-80 Sec. 3 Page 71
Flight Manual Continental Rev. 12/01/00 #29
IF Quantity Is Normal:
.
IF Pressure is Normal:
If the HYD PRESS LOW light is on, spoiler / speed brake efficiency will be reduced.
OR
* * * *
IF Pressure is Low:
Use TRANS HYD PUMP for approach and landing as required.
Caution: If operating hydraulic system pressure is lost when TRANS HYD PUMP switch is moved ON, move TRANS HYD PUMP switch to OFF. Several minutes may be required for the operating hydraulic system to regain pressure.
IF Affected Hydraulic System Cannot Be Pressurized:
Continue flight with the affected hydraulic system inoperative. Refer to INOPERATIVE EQUIPMENT WITH HYDRAULIC FAILURE following this checklist.
Note: When extending slats slow to clean minimum maneuver speed or 240 KIAS, whichever is less. Move FLAPS/SLAT handle directly to 15° detent.
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