Table 6-10.--XY Universal Switch Test Set Operation Procedures

Table 6-10.--XY Universal Switch Test Set Operation Procedures--Continued

LEVER SWITCH

FUNCTION

In X position -- causes XY Universal Switch in test cell to

AUTO STEP X-XY-Y

step to X overflow and recycle.

(Continued)

Supplies 24-volt test battery to X magnet (if AUTO STEP X-

24 V

XY-Y switch is in XY position) in Y magnet (if AUTO STEP X-

XY-Y switch is in Y position) of XY Universal Switch in test

cell.

CONTROL

FUNCTION

In OFF position -- disconnects test set from negative battery

ON-OFF switch

supply.

In ON position -- -connects test set to negative battery

supply.

Provides test point for measuring pulse speed and percent

Test jack

make of pulsing generator in the test set.

Red lead provides means for connecting negative battery

Battery-supply cord

(49 1/2 volts dc) to test set.

Black lead provides means for connecting positive battery

(ground) to test set.

Controls stepping of XY Universal Switch by means of various

Wire banks

internal bank strapping arrangements. Provides wiper align-

ment fixture for XY Universal Switch.

Provides means of connecting XY Universal Switch under test

Test-set plug

to test set.

LAMP

FUNCTION

Lights to indicate that break contacts of XON springs are

X OFF-NORMAL (White)

closed.

Goes out to indicate that break contacts of XON springs are

open.

Lights to indicate that make contacts of XON springs are

X OFF-NORMAL (red)

closed.

Goes out to indicate that make contacts of XON springs are

open.

Lights to indicate that break contacts of YON springs are

Y OFF-NORMAL (White)

closed.

Goes out to indicate that break contacts of YON springs are

open.

Lights to indicate that make contacts of YON springs are

Y OFF-NORNAL (Red)

closed .

Goes out to indicate that make contacts of YON springs are

open.

6-54