(a)  
Make sure the green and red lights for the main and nose landing gear come on.

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A
737-300/400/500MAINTENANCE MANUAL
 S 865-020
 (12)
 Release the LIGHTS test switch.

 (a)  
Make sure the green and the red lights for the main and nose landing gear go off.

 S 865-021
 (13)
 Push the nose, the right main, and the left main landing gear green and red lights independently.

 (a)  
Make sure that each of the lights comes on when the switch is pushed.

 (b)  
Make sure that each of the lights goes off when the switch is released.

 S 865-022
 (14)
 Move the control lever for the landing gear to the OFF position.

 (a)  
Make sure the red warning lights stay off.

 S 865-023
 (15)
 Move the control lever for the landing gear to the DN position.

 (a)  
Make sure the red warning lights for all three landing gear come on while the gear moves to the down position.

 (b)  
When the landing gear goes to the down and locked position, look for these indications: 1) Make sure the red warning lights go off. 2) Make sure the green indicator lights come on.

 F.
Put the Airplane in Its Usual Condition

 (1)  
Install the ground locks in all the landing gear (Ref 32-00-01/201).

 (2)
Remove electrical power, if it is not necessary (Ref 24-22-00/201).

 (3)
Remove hydraulic power, if it is not necessary (Ref 29-15-00/201).

 (4)  
Lower the airplane and remove the jacks (Ref 07-11-11/201).

 S 495-024
 S 865-025
 S 865-026
 S 585-027
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A
737-300/400/500MAINTENANCE MANUAL
 LANDING GEAR MECHANICAL DOWNLOCK INDICATION - CLEANING/PAINTING
_______________________________________________________________
 1.  General_______
 A.  This procedure contains a task to paint the downlock indication on the nose and main landing gear.
 TASK 32-61-00-307-001
 2.  Paint the Landing Gear Mechanical Downlock Indication_____________________________________________________
 A.  Consumables
 (1)  
G00034 Cloth, process cleaning absorbent wiper (cheesecloth, gauze) -BMS15-5.

 (2)  
B01005 Solvent, Final Cleaning of All Organic Coatings Prior to Painting - Series 85 (AMM 20-30-85/201 or SOPM 20-30-85).

 (3)  
C00260 Finish, Chemical and solvent resistant finish, epoxy resin enamel - BMS10-11, Type II, Red

 B.  
References

 (1)  
AMM B51-21-21/701, Clean the Surface to be Painted

 (2)  
AMM B51-21-21/701, Prepare the Surface to be Painted

 (3)  
AMM 20-30-85/201, Airplane Structure Cleaning Solvents

 C.  
Procedure

 S 117-009
 WARNING: DO NOT GET FINISHES, CLEANERS, THINNERS, OR SOLVENTS IN YOUR
_______ MOUTH, IN YOUR EYES, ON YOUR SKIN, OR ON YOUR CLOTHES. DO NOT BREATHE THE FUMES FROM THESE MATERIALS. MAKE SURE AIR FLOWS FREELY THROUGH THE WORK AREA. USE THE NECESSARY RESPIRATORY PROTECTION. KEEP THESE MATERIALS AWAY FROM SPARKS, FLAME AND HEAT. THESE MATERIALS ARE POISONOUS AND FLAMMABLE AND CAN CAUSE INJURY.
 (1)  Clean the surface to be painted with a clean cloth, BMS15-5 that is moist with solvent, series 85 (AMM 20-30-85/201 or SOPM 20-30-85).
 NOTE: If the surfaces ar too dirty to clean by this method, then do
____ the cleaning and preparation tasks in this procedure: AMM B51-21-21/701.
 S 167-012
 (2)  
Dry the surface with a clean cloth, BMS15-5.
　
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