(d) Turn the piston rod end to adjust the clearance between the spoiler and the flap.
NOTE: Each 1/6 turn of the actuator piston rod will change the
____ clearance by approximately 0.045 inch.
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A 737-300/400/500MAINTENANCE MANUAL
INCH
1
No. 0, 1, 8 and 9 Ground Spoiler Actuator Adjustment
Figure 501
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A
737-300/400/500MAINTENANCE MANUAL
WARNING: DO NOT GET SOLVENTS IN YOUR MOUTH, OR YOUR EYES, OR ON
_______ YOUR SKIN. DO NOT BREATHE THE FUMES FROM SOLVENTS. SOLVENTS ARE HAZARDOUS MATERIALS. SOLVENTS MAY BE FLAMMABLE OR HARMFUL TO THE ENVIRONMENT. REFER TO PRODUCT MATERIAL SAFETY DATA SHEETS (MSDS) AND PROPER HANDLING PROCEDURES.
(e)
Clean all grease from the piston rod and the rod end threads with solvent, Series 88 (AMM 20-30-88/201).
(f)
Apply a layer of the corrosion preventive compound to the threads of the piston rod end.
(g)
Engage the locking key with the piston rod.
(h)
Tighten the checknut to 100-200 pound-inches.
(i)
Apply a bead of sealant to the rod end checknut.
(j)
Supply the system A hydraulic power (Ref 27-62-00/201).
(k)
Lower the spoilers or retract the flaps.
(l)
Make sure the clearance between the spoiler and the flap is in the tolerance.
(m)
Lift the spoiler or extend the flaps to get access to the actuator.
(n)
Remove the hydraulic power (Ref 27-62-00/201).
(o)
Tighten the checknut to 290-410 pound-inches.
(p)
Install the lockwire on the checknut and the locking key.
(q)
Apply a bead of sealant to the area around the checknut and lockwire.
S 725-011
(3)
Do the test of the ground spoiler actuator (Ref Paragraph 3).
S 865-012
(4)
Put the SPOILER A and B switches in the OFF position.
S 865-013
(5)
Remove the electrical power (Ref 24-22-00/201).
TASK 27-62-94-725-014
3. Ground Spoiler Actuator Functional Test_______________________________________
A. Special Tools and Equipment
(1)
4MIT65B80307-1 Control Surface Protractor
(2)
F71292-17 Control Surface Protractor Stand
B.
References
(1)
24-22-00/201, Manual Control
(2)
27-62-00/201, Speed Brake Control System
C.
Access
(1)
Location Zone 307, 408 Wing Trailing Edge Outboard Flaps and Spoilers
(2)
Access Panels
8207, 8707 Outboard TE Flap Access Panel
8208, 8708 Outboard TE Flap Access Panel
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737-300/400/500MAINTENANCE MANUAL
D. Procedure
S 865-015
(1)
Supply the electrical power (Ref 24-22-00/201).
S 865-016
(2)
Supply the system A hydraulic power (Ref 27-62-00/201).
S 865-017
(3)
Put the SPOILER A and B switches in the OFF position.
S 725-018
(4)
Do the test of the position of the spoilers No. 0, 1, 8 and 9:
(a)
Install the control surface protractor and the stand on the ground spoilers.
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