Section II. OPERATION INSTRUCTIONS

TM 9-4910-736-14&P

Section II.

OPERATION INSTRUCTIONS

2-1. INTRODUCTION. This section contains procedures for operating the test

set. It includes descriptions of controls and indicators, preoperation check-

out, condenser testing, coil resistance testing, and coil voltage testing.

2-2. CONTROLS, INDICATORS AND ACCESSORIES. Table 2-1 is a description of the

test set controls, indicators and accessories. These items are illustrated in

figure 2-1.

Table 2-1.

Controls, Indicators and Accessories

Figure 2-1

Control, indicator or

index no.

Function

accessory

Provides a summary of test set

INSTRUCTION PLATE

operation, listing tests,

switch positions, and expected

results.

Technical Manual

Provides instructions for use

and maintenance of test

set.

Meter Ml

Multicolored scales as follows:

O to

(blue)

O to

(blue)

O to 30 KV (black)

0.05 to

(red)

LEAKAGE bar (green)

SERIES RES bar (green)

The above are used to indicate

various coil resistances and

voltage and condenser capaci-

tance, leakage and series

resistance.

Adjusts meter to zero for

ZERO ADJ OHM AND SERIES

condenser series resistance

RES potentiometer R103

and for coil resistance tests.

9-foot long lead for testing

COIL PICK-UP lead

coil voltage.

Safety switch, used during

PUSH TO TEST switch S4

performance of coil voltage and

condenser leakage tests, to

avoid exposure of personnel to

high voltage. When personnel

are not in physical contact

with equipment under test, then

switch may be used to perform

test.

2-1