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(ad) Place inboard antiskid switch in ON position and outboard antiskid switch in OFF position. Check that ARMED light illuminates and spoilers do not actuate.
(ae) Repeat steps (aa) and (ab) using LO and LI switches instead of RO and RI switches.
(af) Repeat step (ac) using LO and RO switches instead of LI and RI switches.
(ag) Place both antiskid switches in OFF position and repeat steps (p) through (s) except that actuation of switches should result in no spoiler actuation and speed brake DO NOT ARM light should come on.
(ah) Place both antiskid switches in ON position and place speed brake lever in ARMED position.
(ai) Ensure that both engine thrust levers are in idle position.
(aj) Simultaneously press both GRD SENSING TEST and AIR SENSING TEST switches on landing gear electrical module (located on E3 electrical/electronics shelf), then release both switches. Check that: 1) Speed brake lever moves to full UP position. 2) All spoilers extend to full up position. 3) Speed brake DO NOT ARM light comes on 4 + 2 seconds after releasing the test switches.
NOTE:  DO NOT ARM light on center instrument panel may momentarily illuminate when GRD SENSING TEST and AIR SENSING TEST switches on landing gear module are released.
(ak) Place speed brake control lever in DOWN detent.
(al) Press speed brake indicator test switch 3 to reset speed brake control lever actuator.
(am) Check that all spoilers retract to full down position.

5A8 
27-62-0 Page 520  BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details.  Feb 20/91 

(an) Place speed brake control lever in ARMED detent.
(ao) Press GRD SENSING TEST switch on landing gear module, then release switch.
(ap) Check that DO NOT ARM light on center instrument panel illuminates for 4.0 + 2.0

seconds after switch is released. (aq) Repeat steps (ao) and (ap) using AIR SENSING TEST switch.
D. Return Airplane to Normal
(1)
Remove tester. Replace protective cover on test connector J2.

(2)
Return speed brake control lever to DOWN detent.

(3)
Remove systems A and B hydraulic power (Ref 27-62-0).

(4)
Remove electrical power if no longer required.

(5)
Remove control surface protractor and thrust lever adapter.

545 
Oct 20/85  BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details.  27-62-0 Page 521 

G38942
527  Automatic Speed Brake Test Equipment 
Sep 20/81  Figure 507  27-62-0 
Page 522 
BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details. 

SPEED BRAKE CONTROL SYSTEM - INSPECTION/CHECK
1.  General
A.  This data consists of illustrations and a wear limit chart. There is no procedure given for gaining access to the component for removal or replacement after inspection for wear. For this information refer to OHM 27-09-46.
2.  Speed Brake Control Lever Wear Limits (Fig. 601)

G18267
500  Speed Brake Lever Wear Limits 
Aug 01/96  Figure 601  27-62-0 
Page 601 
BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details. 

NO. 4 AND 5 GROUND SPOILER - REMOVAL/INSTALLATION
1. General
A. For interchangeability of graphite/composite ground spoilers with aluminum/fiberglass ground
spoilers, refer to 27-09-800. 1A. Equipment and Materials
A.  Actuator Lock Ground Spoiler - F80040-2
NOTE:  F80040-15 is used on airplanes having ground roll spoilers with single actuators. F80040-2 is used on airplanes having ground roll spoilers with double actuators.

2.  Prepare Ground Spoiler for Removal
A.  Connect electrical power to airplane.
B.  Pressurize hydraulic system A (Ref 27-62-0, MP).
C.  Position flap control lever to FLAP DOWN to extend trailing edge flaps.
D.  Position spoiler switches to OFF.
E.  Place speed brake control lever in UP position to raise ground spoilers.
F.  Install ground spoiler actuator locks.
G.  Turn off hydraulic system A (Ref 27-62-00, MP).
3.  Remove Ground Spoiler Panel
A.  Remove two bolts attaching pushrods to ground spoiler (Fig. 401).
B.  Disconnect bonding jumpers from ground spoiler. Jumpers are located adjacent to inboard and outboard hinge locations.
C.  Remove four hinge bolts.
D.  Remove ground spoiler from airplane.
NOTE:  Ground spoiler weighs approximately 27 pounds.
E.  Remove bearings at inboard and outboard hinge locations.
May 01/99 27-62-12 Page 401 BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details.
　
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