Batteries

b. Service. Check electrolyte level frequently.

3-41. General

Add distilled or drinking water to raise liquid to indicated

level above separators. Add water only while batteries

The electrical system is a 24 volt negative ground

are being charged or pumping unit is operating to mix

system consisting of batteries, generator, generator

solution.

regulator, and magneto.

c. Testing. Check the specific gravity of each cell

3-42. Batteries

with a battery hydrometer. The specific gravity of each

cell must be at least 1.260.

a. General. The unit is powered by two 12 volt

storage batteries, connected in series and contained in a

d. Replacement. Refer to figure 3-18 and replace

battery box located at the front of the pumping unit.

the batteries.

Quick-release connectors are provided on the battery

cables.

MEC 4320-240-15/3-19

Figure 3-19. Generator removal and installation.

3-17