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A. Tools/Equipment
NOTE: When more than one tool part number is listed under the same "Reference" number, the
tools shown are alternates to each other within the same airplane series. Tool part numbers
that are replaced or non-procurable are preceded by "Opt:", which stands for Optional.
737-600/700/800/900
AIRCRAFT MAINTENANCE MANUAL
EFFECTIVITY
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Reference Description
COM-1914 Test Set - Air Data Model FLMTS (Flight Line Maintenance)
(Part #: 01-0987-00, Supplier: 41364, A/P Effectivity: 737-100, -200,
-200C, -300, -400, -500, -600, -700, -700C, -700ER, -700QC, -800, -900,
-900ER, -ALL, -BBJ)
(Part #: 01-1046-00, Supplier: 41364, A/P Effectivity: 737-100, -200,
-200C, -300, -400, -500, -600, -700, -700C, -700ER, -700QC, -800, -900,
-900ER, -ALL, -BBJ)
(Part #: 01-1047-00, Supplier: 41364, A/P Effectivity: 737-ALL)
(Part #: 18910920001, Supplier: 89944, A/P Effectivity: 737-ALL)
(Part #: 6005KTQA1-103, Supplier: 35012, A/P Effectivity: 737-ALL)
(Part #: ADC800, Supplier: 41364, A/P Effectivity: 737-ALL)
(Part #: ADTS405F, Supplier: 0R667, A/P Effectivity: 737-ALL)
(Part #: ADTS505, Supplier: 0R667, A/P Effectivity: 737-ALL)
(Part #: D60340, Supplier: K1474, A/P Effectivity: 737-ALL)
(Part #: D60383, Supplier: K1474, A/P Effectivity: 737-100, -200, -200C,
-300, -400, -500, -600, -700, -700C, -700ER, -700QC, -800, -900, -900ER,
-ALL, -BBJ)
(Part #: DPS500, Supplier: 21844, A/P Effectivity: 737-ALL)
(Part #: MODEL 6300, Supplier: 0RD25, A/P Effectivity: 737-ALL)
(Part #: TES9463, Supplier: 88277, A/P Effectivity: 737-ALL)
(Opt Part #: 18910480000, Supplier: 89944, A/P Effectivity: 737-ALL)
(Opt Part #: D60302, Supplier: K1474, A/P Effectivity: 737-ALL)
SPL-1742 Regulator - Air Pressure, Elevator Feel Computer
(Part #: F72928-58, Supplier: 81205, A/P Effectivity: 737-600, -700,
-700C, -700ER, -700QC, -800, -900, -900ER, -BBJ)
B. Access Panels
Number Name/Location
311BL Stabilizer Trim Access Door
C. Procedure
SUBTASK 27-31-17-010-006
(1) Open this access panel:
Number Name/Location
311BL Stabilizer Trim Access Door
SUBTASK 27-31-17-480-003
(2) Do the following to prepare the elevator pitot system for pressurization:
NOTE: The following two steps do not need to be completed if you are using the air data model
test set, COM-1914.
(a) Remove the restrictor valves from the pitot lines.
(b) Connect the pressure gage lines from the regulator, SPL-1742 or equivalent to the drain
holes of the pitot lines.
NOTE: The DPS 400 Test Set can be used as an alternate tool to the DPS 500.
737-600/700/800/900
AIRCRAFT MAINTENANCE MANUAL
EFFECTIVITY
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WARNING: WHEN THE PITOT PROBES HAVE COVERS ON THEM, MAKE SURE THAT A
PERSON ON THE GROUND CAN SEE THE COVERS. ALSO MAKE SURE YOU
ATTACH A TAG TO THE LEFT CONTROL WHEEL IN THE FLIGHT COMPARTMENT
AS A REMINDER THAT THE PITOT PROBES HAVE COVERS ON THEM. IF THE
COVERS ARE NOT REMOVED FROM THE PITOT PROBES, INCORRECT
AIRSPEED-SENSING AND ALTITUDE-SENSING SIGNALS CAN OCCUR. THIS CAN
CAUSE DANGEROUS FLIGHT CONDITIONS.
(c) Seal the drain hole in each pitot probe on the vertical fin.
CAUTION: DO NOT INCREASE THE PRESSURE TO MORE THAN 6 PSIG (41 KPA), 474 KNOTS
(878 KM/H) DURING THE TEST. IF THE PRESSURE IS MORE THAN 6 PSIG
(41 KPA), 474 KNOTS (878 KM/H), IT CAN CAUSE DAMAGE TO THE ELEVATOR
FEEL COMPUTER.
CAUTION: MAKE SURE THAT THE WEIGHT OF THE TEST HOSE IS NOT ON THE PITOT
PROBE. THE WEIGHT OF THE HOSE CAN BEND OR TWIST THE PROBE UNTIL IT
IS NOT IN TOLERANCE.
(d) Connect the pressure lines from the air data model test set, COM-1914 or regulator,
SPL-1742 or equivalent to the two pitot probes on the vertical fin.
SUBTASK 27-31-17-480-004
(3) Pressurize the elevator pitot system:
(a) Operate the air data model test set, COM-1914 or regulator, SPL-1742 to pressurize the
system, as necessary, to obtain the system test data.
(b) When testing is complete, slowly operate the air data model test set, COM-1914 or
regulator, SPL-1742 to remove pressure from the system until it is at zero.
SUBTASK 27-31-17-010-007
(4) Remove the pressurization equipment from the airplane:
(a) Remove the pressure gage lines from the air data model test set, COM-1914 or regulator,
SPL-1742 or equivalent to the drain holes.
(b) Install the restrictor valves in each of the pitot lines.
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737-600-700-800-900 AIRCRAFT MAINTENANCE MANUAL飞机维护手册3(37)
