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SUBTASK 27-62-00-870-001
(4) Operate the rudder pedals to decrease the remaining hydraulic system pressure.
SUBTASK 27-62-00-860-010
(5) If it is necessary to open a hydraulic line, you must release pressure from the reservoir for the
applicable hydraulic system. To release it, do this task: Hydraulic Reservoirs
Depressurization, TASK 29-11-01-860-802 or Hydraulic Reservoirs Depressurization,
TASK 29-09-00-860-802.
SUBTASK 27-62-00-480-002
(6) Install the flight controls hydraulic module locks (Figure 202):
(a) Disconnect the electrical connector from the spoiler shutoff valve at the flight controls
hydraulic modules A and B.
(b) Put the manual override lever at the two spoiler shutoff valves in the position 2 (OFF
position).
(c) Install the lock, SPL-1675 on the two spoiler shutoff valves.
1) Install the lockpins.
------------------------- END OF TASK ---------------------------
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Flight Controls Hydraulic Module Lock Installation
Figure 202 (Sheet 1 of 3)/27-62-00-990-802
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Flight Controls Hydraulic Module Lock Installation
Figure 202 (Sheet 2 of 3)/27-62-00-990-802
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Flight Controls Hydraulic Module Lock Installation
Figure 202 (Sheet 3 of 3)/27-62-00-990-802
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TASK 27-62-00-840-802
5. Put the Speed Brake Systems A and B Back to the Condition Before the Pressure Removal
(Figure 201, Figure 202)
A. References
Reference Title
12-12-00-610-801 Hydraulic Reservoir Servicing (P/B 301)
SWPM 20-60-03 Standard Wiring Practices Manual
B. 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.
Reference Description
SPL-1675 Assembly - Lock, Flight Controls
(Part #: F80049-18, Supplier: 81205, A/P Effectivity: 737-100, -200,
-200C, -300, -400, -500, -600, -700, -700C, -700ER, -700QC, -800, -900,
-900ER, -BBJ)
(Opt Part #: F80049-12, Supplier: 81205, A/P Effectivity: 737-100, -200,
-200C, -300, -400, -500, -600, -700, -700C, -700ER, -700QC, -800, -900,
-900ER, -BBJ)
C. Consumable Materials
Reference Description Specification
G50171 Compound - Corrosion Inhibiting Compound,
Interior Application - D5026NS or ZC-026
D. Location Zones
Zone Area
133 Main Landing Gear Wheel Well, Body Station 663.75 to Body Station
727.00 - Left
134 Main Landing Gear Wheel Well, Body Station 663.75 to Body Station
727.00 - Right
210 Subzone - Control Compartment - Body Station 178.00 to Body
Station 259.50
E. Procedure
SUBTASK 27-62-00-080-002
(1) Remove the flight controls hydraulic module locks from the spoiler shutoff valves.
(a) Remove the lockpins.
(b) Remove the lock, SPL-1675 from the two spoiler shutoff valves.
(c) Put the manual override lever at the two spoiler shutoff valves in the position 1 (ON
position).
(d) Before you connect the electrical connector, examine the connector for corrosion.
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WARNING: DO THE STEPS BELOW IF THE AIRPLANE OPERATES AT AIRPORTS WHERE
DEICING FLUID THAT CONTAIN POTASSIUM FORMATE IS USED. ALSO DO THE
STEPS FOR ALL AIRPLANES THAT YOU FOUND CORROSION IN THE
ELECTRICAL CONNECTORS IN THE MAIN WHEEL WELL. THE ELECTRICAL
CONNECTOR IS PART OF A SYSTEM THAT IS NECESSARY FOR SAFE FLIGHT.
(e) If there was corrosion, refer to (SWPM 20-60-03) to correct the problem.
(f) Apply the D5026NS or ZC-026 compound, G50171 to the connector (SWPM 20-60-03).
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737-600-700-800-900 飞机维护手册6 AIRCRAFT MAINTENANCE MANUA(57)
