Figure 3-2

TM 9-6140-200-14

(5) Using the black dipstick, place a few drops of electrolyte on the exposed

portion of the measuring window (Figure 3-2).

Figure 3-2

(6) Point the tester toward a bright light source. Look into the eyepiece and

locate the rectangle with two calibrated scales. Battery charge readings

are taken from the left scale.

NOTE

If the line where the light and dark areas meet is not

sharp and clear, the plastic cover and measuring

window have not been properly cleaned and dried.

Thoroughly wash and dry the tester until a sharp clear

image is obtained. Repeat test.

3-8