BATTERY BOX ASSEMBLY - SERVICE/REPLACE/REPAIR

TM 5-4930-233-14

TM 4930-14/1

REEL CABINET ASSEMBLY

4-18. BATTERY BOX ASSEMBLY - SERVICE/REPLACE/REPAIR

This task covers:

a. Service

b. Removal

Disassembly

d. Repair

e. Assembly

f. Installation

INITIAL SET-UP:

Materials/Parts

General Safety Instructions

Dry-cleaning solvent (Item 6, AppE)

Heat Shrink tubing (Item 20 and 21 AppE)

Grease, GAA (Item 8, AppE)

WARNING

When working on batteries, wear

Tools

eye protection and remove all jew-

General Mechanics Tool Box

elry, dogtags and metal items to

(Section III, Item 1, AppB)

avoid electrical shock and burns.

Service

WARNING

Do not smoke or use an open flame in the vicinity when servicing the batteries.

Batteries generate hydrogen gas, which is highly explosive and can cause severe

injury or death.

(1)

Open battery box assembly drawer (1).

(2)

Remove battery caps (2) and check electrolyte level in each cell.

(3)

Fill to proper level with distilled water.

(4)

Install caps (2) and run engine for 10 to 15 minutes.

(5)

Remove caps (2) and check specific gravity for each cell (steps (6) through (9)).

(6)

To measure specific gravity, swing plastic cover (3) back on duo-check coolant and battery tester. Clean the

measuring surface (4) and the bottom cover (5) with a clean soft cloth. Close cover.

(7)

Use black dipstick (6) to obtain a small sample of battery acid.

(8)

Place a few drops of acid onto measuring surface (4) through opening in cover plate.

4-37