BATTERY REPLACEMENT INSTRUCTIONS

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TEST: Using Multimeter

TM-5-1940-277-20 Boat Bridge Erection Twin Jet Aluminum Hull MODEL USCSBMK1 (1940-01-105-5728) MODEL USCSBMK2 (1940-01-218-9165) Manual

INSTALL

TM 5-1940-277-20

TM 1940-20/2

3-89. BATTERY REPLACEMENT INSTRUCTIONS

TOOLS: 10 mm Box Wrench

Soft Brush

Terminal/Post Cleaner

Wire Brush

PARTS/MATERIALS: Replacement Battery

Baking Soda

Water

Eye Goggles

Rubber/Protective Gloves

GAA Grease

REFERENCE: TM 9-6140-200-14

REMOVE:

Battery gases can explode. Do not smoke, have open flames, or make sparks around

batteries. Batteries always vent gases. Battery can explode and cause injury.

Electrolyte (battery fluid) and battery corrosion can cause injury to you. Wear safety

goggles and gloves. Flush clothing and skin with clear water if electrolyte or battery

corrosion is contacted. See a doctor if on face or in eye.

NOTE

The 6TN and 6TL batteries can be mixed or matched. However, maintenance-free

batteries cannot be mixed or matched with military batteries. The 6TN and/or the 6TL

batteries will perform properly in hot weather as long as electrolyte levels are carefully

monitored. If the electrolyte expands and causes the level to rise, some fluid must be

removed. If the level becomes too low due to evaporation, distilled water may be used

to obtain the proper level. A good grade of drinking water (excluding mineral waters)

may be used if distilled water is not available.

Electrolyte (NSNs 6810-00-249-9354 and 6810-00-843-1640) have a specific gravity

of 1.280 and should be used in these batteries. Do NOT adjust the electrolyte in wet

batteries to a lower specific gravity.

Open and secure battery hatch (refer to paragraph 3-154).

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