27-62-12
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
AIRPLANE
CLEARANCE MEASURED CLEARANCE MEASURED
CONFIGURATION
AT OUTBOARD
AT INBOARD ACTUATOR
ACTUATOR -INCHES-
-INCHES-
ON JACKS
0.03 +0.10/-0.00
0.03 +0.10/-0.00
2
NO FUEL
A
ON GEAR
0.03 +0.10/-0.00
0.08 +0.10/-0.00
3
NO FUEL
ON GEAR
3
0.03 +0.10/-0.00
0.13 +0.10/-0.00
FULL FUEL
A
FORWARD
ACTUATOR BULB SEAL
GR0UND
LINKAGE SEE B SPOILER AFT BULB SEAL
1
RUB
FOREFLAP MIDFLAP STRIP
ACTUATOR PISTON
ROD END A-A
SEE A

FORWARD ACTUATOR BOLTS (EXAMPLE)
ATTACHING
BULB SEAL ROD END
GROUND BEARING
SPOILER
CHECKNUT
LOCKING
KEY

ACTUATOR PISTON ROD
ACTUATOR PISTON ROD END  FOREFLAP
FWD
A
B
1
SPOILER TO FLAP CLEARANCE 2 FUEL LOAD APPLIES TO THE WING AND BODY TANKS 3 FUEL LOAD APPLIES TO THE WING TANKS
Spoiler Adjustment Figure 501
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 S 825-009
 (2)  
Adjust the clearance between the spoiler and the flap if it is not in the limits:

 (a)  
Measure and make a record of the clearance between the spoiler and the flap.

 WARNING: DO NOT PUT A PART OF YOUR BODY BETWEEN THE SPOILER AND THE
_______ WING UNLESS YOU REMOVE THE HYDRAULIC POWER. THE SPOILERS CAN CAUSE INJURY TO PERSONS.
 (b)  
Lift the spoiler or extend the flaps to get access to the spoiler actuator: 1) Move the speed brake lever to the UP position to lift the

 spoilers. 2) Move the flap control lever to the 40-unit detent to extend the flaps. 3) Remove the system A and B hydraulic power (Ref 27-62-00/201).

 (c)  
Loosen the checknut on the rod end of the actuator.

 (d)  
Remove the locking key from the piston rod.

 CAUTION: DO NOT TURN THE PISTON ROD IF THE ACTUATOR IS PRESSURIZED.
_______
 YOU CAN CAUSE DAMAGE TO THE ACTUATOR.

 (e)  Turn the piston rod to adjust the clearance between the spoiler and the flap.
 NOTE: Each 1/6 turn of the piston rod end will change the
____ clearance by approximately 0.093 inch.
 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 LOCAL REQUIREMENTS FOR PROPER HANDLING PROCEDURES.
 (f)
Clean all grease from the piston rod end and the rod end threads with solvent, Series 88 (AMM 20-30-88/201).

 (g)  
Install the locking key in the actuator rod end.

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 (h)  
Apply a layer of the corrosion preventive compound on the threads of the rod end.

 (i)  
Tighten the checknut to 290-410 pound-inches.

 (j)  
Install the lockwire on the checknut.

 (k)  
Apply a bead of sealant to the rod end checknut.

 (l)  
Supply the systems A and B hydraulic pressure
 (Ref 27-62-00/201).

 (m)  
Move the speed brake lever to the DOWN position to lower the spoilers if it is necessary.

 (n)  
Move the flap control lever to the UP position to lift the flaps if it is necessary.

 (o)  
Make sure the clearance between the spoiler and the flap is in the limits.

 S 225-010
 (3)  
Examine the forward bulb seal between the spoiler and the foreflap:
　
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