S 212-044

 (5)  
Make sure that the color is white for the cell separators.

 (a)  Replace the battery if the color of the cell separators is salmon or brown.

 (6)  
Make sure that the battery fluid has a clear color.

 S 212-068
 NOTE: Battery fluid without a clear color is an indication of
____ fluid contamination or damaged plates and separators.
 S 212-046
 (7)  Examine the rubber lining (if installed) which bond to the bottom of the battery cover.
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A 737-300/400/500MAINTENANCE MANUAL
 S 212-047
 (8)
Examine the sleeves around the intercell links connections.

 S 022-048

 (9)
Replace the rubber lining or the sleeves if they are damaged.

 NOTE: Damage to the rubber lining or the sleeves can cause a short
____
 circuit in the battery.

 S 212-049
 (10) Make sure the connections from the battery to the busses and shunt are not loose or has a corrosion problem.
 NOTE: There is a circuit breaker between the battery and the
____
 busses.

 (a)  Repair or replace the defective parts.
 S 432-050
 (11)
 Install the battery cover.

 S 422-051

 (12)
 Install the battery into the airplane (AMM 24-31-11/201).

 TASK 24-31-11-162-069
 5. CLEAN THE BATTERY #
_________________
 A. General
 (1)  
The battery cells will give a gas when you charge the battery. This gas will come out with the spray of water and potassium hydroxide (KOH). This mixture will react with the carbon dioxide and deposit white crystals of potassium carbonate on the cell tops. This is not corrosion nor is it corrosive properties.

 B.
Standard Tools and Equipment

 (1)  
A pail filled with de-ionized water.

 (2)  
Clean cloth

 (3)  
A brush with no metal parts.

 C.
Consumable Materials

 (1)  
De-ionize Water

 D.
Access

 (1)  
Location Zone
 205 Electronic Compartment

 (2)  
Access Panel
 1201 Electronic Equipment Access Door

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A
737-300/400/500MAINTENANCE MANUAL
 E. Procedure
 S 142-061
 WARNING: KEEP ALL THE TOOL THAT YOU USE ON THE LEAD-ACID BATTERIES AWAY
_______ FROM THE NICKEL-CADMIUM BATTERIES. THERE COULD BE A CHEMICAL EFFECT AND CAUSE INJURY TO PERSONS.
 KEEP ALL OF THE METAL OBJECTS (FOR EXAMPLE: TOOLS, WIRE BRUSHES, WATCH BANDS, RINGS, AND IDENTIFICATION BRACELETS) AWAY FROM THE OPEN TOP OF THE BATTERY. A SHORT CIRCUIT CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
 CAUTION:_______REMOVE ALL OF THE BATTERY FLUID LEAKAGE IMMEDIATELY. THE BATTERY FLUID CAN CAUSE CORROSION DAMAGE TO THE AIRPLANE STRUCTURE.
 (1)  Remove the crystalline material of potassium carbonate with a moist cloth and a brush from these parts:
 (a)  
battery

 (b)  
battery case

 (c)  
battery cover

 S 142-053
 (2)  
Clean the battery, the battery tray, and the battery support with de-ionized water.

 S 862-062

 (3)  
Dry the battery, the battery tray, and the battery support with a clean cloth.

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