Meter Replacement

11-6625-823-15

Item

No.

Probable trouble

Checks and corrective measures

Trouble symptom

4-------------- High meter reading on one sec- Adapter connector defective------- Replace adapter connector.

tion of one adapter connector.

6------------ Erratic meter readings -------- a. Defective meter ----------- a. Replace meter (para 4-5).

b. Poor contacts in selector b. Replace TS-1301/PSM-l3.

c. Clean, straighten, and inspect all

switch.

connection

c. Poor contact between adapt-

er connector and TS-

1301/PSM-13 main body,

or battery being tested.

c. Be sure that the new meter has a gasket

4-5. Meter Replacement

on it before proceeding. The gasket is keyed to

a. Remove the four meter mounting screws,

the meter body.

and invert the TS-1301/PSM-13 so that the

d. Solder the red wire to the left hand ( + )

meter falls into the hand. If gasket adhesion

terminal of a new meter.

holds the meter in place, two long taper wood

screws may be bound into the opposite mount-

e. Solder the black wire to the other ter-

ing holes of the meter; then pull out the meter

minal.

by these screws.

f. Remount the meter and tighten the comer

mounting screws.

b. Unsolder the meter wires.

NOTE

If the replacement meter does

n o t have a 0 to 10 division

s c a l e , a decal must be affixed

to its face, as shown in

4-2

Change 4