Testing Batteries

11-6625-823-15

Figure 2-2.

Operating control and indicator.

2-4. Testing Batteries

(1) With Adapter, Connector U-240/PSM-13,

connect the octal socket end of the U240/PSM13 onto

Caution

the octal plug on the bottom of Test Set, Battery TS-

Rating indicated on AN/PSM-13 is valid only

1301/PSM-13.

if the battery temperature is above +35° F.

(2) Set the selector switch to AlA. Connect the

BA279/U or the BA-377/U to be tested onto the bat-

For all the tests given below, the overall battery rat-

tery connector of the U-240/PSM13; wait 15 seconds,

ing is the rating of the section of the battery that

and read the rating of the section.

indicates the lowest rating. For example, if only one

section indicates BAD, consider the rating of the over-

(3) Set the selector switch to C, B1A2, and B2,

all battery to be BAD.

in turn; wait 15 seconds at each switch position and

a. Test the BA279/U or the BA-377/U as follows:

read the rating of each of the remaining sections.

2-4

Change 4