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INJURY TO PERSONS AND DAMAGE TO EQUIPMENT.
(3) Do this task: Speed Brake Hydraulic Systems A and B Pressurization,
TASK 27-62-00-800-801.
SUBTASK 27-62-61-860-027
(4) Move the speed brake lever to the UP position.
SUBTASK 27-62-61-980-002
(5) Slowly extend the lower slider assembly [6], stop and hold the slider in position when ground the
spoilers extend.
SUBTASK 27-62-61-740-002
(6) Make sure the PSEU BITE displays TGT-FAR.
SUBTASK 27-62-61-980-003
(7) Slowly retract the lower slider assembly [6], stop and hold the slider in position until the PSEU
BITE displays TGT-NEAR.
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SUBTASK 27-62-61-860-028
(8) Make sure that the interlock valve is closed:
(a) Move the speedbrake handle to the DOWN position.
(b) Move the speedbrake handle to the UP position.
(c) Make sure the ground spoilers retract and stay down.
SUBTASK 27-62-61-420-004
(9) Install bolt [2], washer [3], washer [4] and nut [5] to install the lower slider assembly [6] to the lug
on the landing gear.
G. Put the Airplane Back to Its Usual Condition
SUBTASK 27-62-61-860-029
(1) Push the ON/OFF switch on PSEU BITE display to turn the PSEU BITE off.
SUBTASK 27-62-61-840-001
(2) Close this access panel:
Number Name/Location
112A Forward Access Door
SUBTASK 27-62-61-860-030
(3) Do this task: Put the Speed Brake Hydraulic systems A and B Back to the Condition Before
the Pressurization, TASK 27-62-00-840-801.
------------------------- END OF TASK ---------------------------
TASK 27-62-61-400-807
5. Ground Spoiler Interlock Valve Pressure Switch Functional Test
(Figure 501)
A. References
Reference Title
24-22-00-860-811 Supply Electrical Power (P/B 201)
27-62-00-800-801 Speed Brake Hydraulic Systems A and B Pressurization (P/B 201)
27-62-00-840-801 Put the Speed Brake Hydraulic systems A and B Back to the
Condition Before the Pressurization (P/B 201)
29-11-00-860-805 Hydraulic System A or B Power Removal (P/B 201)
B. Location Zones
Zone Area
112 Area Forward of Nose Landing Gear Wheel Well
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
C. Access Panels
Number Name/Location
112A Forward Access Door
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D. Prepare for the Test
SUBTASK 27-62-61-860-031
(1) Remove system A and B hydraulic power. To remove, do this task: Hydraulic System A or B
Power Removal, TASK 29-11-00-860-805
SUBTASK 27-62-61-020-015
(2) Remove the nut [5], washer [4], washer [3] and bolt [2] to disconnect the lower slider assembly
[6] from the lug on the right landing gear strut.
SUBTASK 27-62-61-860-032
(3) Do this task: Supply Electrical Power, TASK 24-22-00-860-811.
SUBTASK 27-62-61-860-033
WARNING: MAKE SURE THAT PERSONS AND EQUIPMENT ARE CLEAR OF ALL CONTROL
SURFACES BEFORE YOU SUPPLY HYDRAULIC POWER. AILERONS, RUDDERS,
ELEVATORS, FLAPS, SLATS, SPOILERS, LANDING GEAR, AND THRUST REVERSERS
CAN MOVE QUICKLY WHEN YOU SUPPLY HYDRAULIC POWER. THIS CAN CAUSE
INJURY TO PERSONS AND DAMAGE TO EQUIPMENT.
(4) Do this task: Speed Brake Hydraulic Systems A and B Pressurization,
TASK 27-62-00-800-801.
SUBTASK 27-62-61-010-002
(5) Open this access door:
Number Name/Location
112A Forward Access Door
E. Ground Spoiler Interlock Valve Pressure Switch Functional Test
SUBTASK 27-62-61-740-003
(1) Use the PSEU BITE to test the switch:
(a) Push the ON/OFF switch on the PSEU BITE display. EXISTING FAULTS? will show on the
display.
(b) Push the down arrow until OTHER FUNCTNS? is displayed.
(c) Push the YES button to select OTHER FUNCTNS?.
(d) Push the down arrow until I/O MONITOR? is displayed.
(e) Push the YES button to select I/O MONITOR?.
(f) Push the down arrow until INPUTS? is displayed.
(g) Push the YES button to select INPUTS?.
(h) Push the down arrow until CONN D10986? is displayed.
(i) Push the YES button to select CONN D10986?.
(j) Push the down arrow until PIN 14 is displayed.
SUBTASK 27-62-61-860-034
(2) Make sure the valve pressure switch operates as follows:
(a) Move the speedbrake handle to the DOWN position.
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737-600-700-800-900 飞机维护手册7 AIRCRAFT MAINTENANCE MANUA(23)
