SERVICE UPON RECEIPT CHECKS AND INSPECTIONS - continued

TM 11-6130-429-12

4-4. SERVICE UPON RECEIPT CHECK AND INSPECTIONS Continued

REMARKS

ITEM

ACTION

LOCATION

ADJUSTMENT

If FAULT lamp is lighted

1. Front

ON/OFF

ON.

voltage cannot be adjusted

panel

switch

by +5V ADJ trimpot.

FAULT

OFF.

lamp

2. Multi-

Function

Set to 10 Vdc scale.

meter

switch

Insert multimeter BLACK lead.

3. Front

+5V RTN

panel

Adjustment determined

Insert multimeter RED lead.

+5V P1 or

by PERFORMANCE test.

+ 5V P2

4. Front

Loosen jam nut, using 5/16th inch

+5 ADJ

panel

nut driver.

Use standard 6 inch screwdriver to

rotate trimpot.

Range

Observe indication:

5. Multi-

meter

scale

When indication is +5 volts 0.1 Vdc

secure +5V ADJ trimpot finger tight.

Recheck +5V P1, or +5V P2 output

voltage.

If voltages are correct, converter is

ready for operator's use.

Remove multimeter leads.

4-6