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Spoiler Shutoff Valve Installation
Figure 401 (Sheet 1 of 4)/27-61-12-990-801
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Spoiler Shutoff Valve Installation
Figure 401 (Sheet 2 of 4)/27-61-12-990-801
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EFFECTIVITY
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Spoiler Shutoff Valve Installation
Figure 401 (Sheet 3 of 4)/27-61-12-990-801
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Spoiler Shutoff Valve Installation
Figure 401 (Sheet 4 of 4)/27-61-12-990-801
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TASK 27-61-12-400-801
3. Spoiler Shutoff Valve Installation
(Figure 401)
A. General
(1) This task is the installation of the spoiler shutoff valve assembly, which contains the motor and
the valve.
B. References
Reference Title
12-12-00-610-801 Hydraulic Reservoir Servicing (P/B 301)
27-61-12-400-803 Spoiler Shutoff Valve Test (P/B 501)
SWPM 20-60-03 Standard Wiring Practices Manual
C. Consumable Materials
Reference Description Specification
D00153 Fluid - Hydraulic, Erosion Arresting, Fire Resistant BMS3-11, Type
IV
(interchange~
able&
intermixable
with Type V)
G01912 Lockwire - Monel (0.032 In. Dia.) NASM20995N~
C32
(QQ-N-281)
G50171 Compound - Corrosion Inhibiting Compound,
Interior Application - D5026NS or ZC-026
D. Expendables/Parts
AMM Item Description AIPC Reference AIPC Effectivity
9 Packing 27-09-21-01-105 GUN 001-028, 101-121,
155-157, 201-999
11 Packing 27-09-21-01-115 GUN 001-028, 101-121,
155-157, 201-999
12 Housing valve assembly 27-09-21-01-125 GUN 001-028, 101-121,
155-157, 201-999
E. 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
211 Flight Compartment - Left
212 Flight Compartment - Right
F. Spoiler Shutoff Valve Installation
SUBTASK 27-61-12-420-001
(1) If they are not installed, install the packing [9], backup rings [8], packing [11] and backup rings
[10].
(a) Apply fluid, D00153 to the packing [9], backup rings [8], packing [11] and backup rings [10].
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(b) Install the packing [9], backup rings [8], packing [11] and backup rings [10] on the housing
valve assembly [12].
SUBTASK 27-61-12-420-002
(2) Install the housing valve assembly [12]:
(a) Carefully install the housing valve assembly [12] in the hydraulic module housing [2].
(b) Install the bolts [4] and washers [5] to attach the housing valve assembly [12] to the
hydraulic module housing [2].
(c) Tighten the bolts [4] to 30-40 pound-inches (3.4-4.5 newton-meters).
(d) Install the lockwire, G01912 on the four bolts [4].
(e) Before you connect the electrical connector [1], examine the connector for corrosion.
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.
(f) If there was corrosion, refer to (SWPM 20-60-03) to correct the problem.
(g) Apply the D5026NS or ZC-026 compound, G50171 to the connector (SWPM 20-60-03).
(h) Connect the electrical connector [1] to the valve motor [7].
G. Put the Airplane Back to Its Usual Condition
SUBTASK 27-61-12-860-004
(1) Remove the safety tag and close this circuit breaker:
F/O Electrical System Panel, P6-2
Row Col Number Name
B 12 C00204 FLIGHT CONTROL SHUTOFF VALVES SPOILER
　
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