Table 6-2. Test Set Checkout Procedure-continued

TM 11-6625-3023-14/ET904-AA-MMA-010/E154 TS3684/TO 33A1-12-1173-1

Table 6-2. Test Set Checkout Procedure - Continued

Test instructions

Normal indication

c. Set DVM to AC and connect

280 VAC +/-2%

positive test lead to test point C, negative

lead to test point D.

(1)

Set DVM to DC and connect

(1)

+390 VDC +/-5%

positive test lead to test point C,

negative lead to GRD. Switch

S5 to SHORT position.

Switches S2 and S3 not

pressed.

(2)

Press switches S2 and S3

(2)

+340 VDC +/-5%

at same time.

e. Connect positive lead to test point E.

Switch S5 to SHORT position.

(1)

Switches S2 and S3 not

(1)

+770 VDC +/-5%

pressed.

(2)

Switches S2 and S3 pressed

(2)

+680 VDC +/-5%

at same time.

f. Connect positive lead to test point F.

Switch S5 to SHORT position.

(1)

Switches S2 and S3 not

(1)

+770 VDC +/-5%

pressed.

(2)

Switch S4 to BULK position.

(2)

+210 VDC +/-5%

Press switches S2 and S3 at

same time.

(3)

Switch S4 to EXTERNAL

(3)

+78 VDC +/-10%

position and press switches S2

and S3 at same time.

g. Connect positive lead to test point I,

negative lead to GRD. Switch S4 to BULK

position. Switch S5 to OPEN position.

CAUTION

Take readings within 10 seconds.

6-13