BATTERIES -706880124

TM 5-4210-233-14&P-1

3-5. BATTERIES

This task covers:

a. Inspection

b. Service

MATERIAL/PARTS REQUIRED:

EQUIPMENT CONDITION

Distilled Water (Item 54, Appendix E)

Main Engine Shutdown (see para 2-12 .)

APU Shutdown (see para 2-16 .)

a. Inspection.

WARNING

Batteries contain sulfuric acid. They may also contain explosive

mixtures of hydrogen and oxygen gases in each cell at all times.

To avoid serious injury, always wear face shield, goggles,

safety shoes, gloves and protective clothing when working with

batteries. Keep sparks, flames, burning cigarettes or other

ignition sources away at all times.

(1) Visually inspect outside of battery for cracked or broken case cover, damaged or missing filler caps and

terminal damage.

(2) Check condition of battery cables. Inspect for corrosion on battery terminals and cable terminations.

Clean minor corrosion off terminals and cable terminations using scraper and terminal cleaning

brush.

(3) Make sure ground cable makes good connection at gro nd point, and check cable connections at starter

relay and solenoid. Tighten if necessary.

(4) Make sure holddown bar secures battery properly. Tighten

if necessary.

(5) If there is serious physical damage, refer to Unit

Maintenance.

Service. Check Electrolyte Levels.

NOTE

Check electrolyte level weekly. Water loss occurring at above

normal rate indicates short circuit.

(1) Remove filler caps (1) from battery.

(2) Check electrolyte level in each cell. If electrolyte is below tops of plates in any cell, fill all cells with

water to just above tops of separators. Use distilled water (Item 54, Appendix E).

(3) Install filler caps (1).

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