Chapter 2. INSTALLATION AND OPERATING INSTRUCTIONS

TM 11-6625-599-12

CHAPTER 2

I N S T A L L A T I O N AND OPERATING INSTRUCTIONS

Section I. SERVICE UPON RECEIPT OF EQUIPMENT

the inner cor-

(5) Remove and open

2-1. Unpacking

rugated carton.

When packaged for

a. Packaging Data.

shipment, the vtvm is placed in a corrugated

(6) Remove the envelopes that contain the

carton and packed in a wooden packing case.

technical manuals, t h e two-prong

A typical wooden packing case and its contents

adapter, and the test leads.

are shown in figure 3. The finished package

is 181/4 inches high, 103/4 inches wide, and

(7) Remove the corrugated fillers and the

203/4 inches deep, and has a total volume of

equipment from the inner corrugated

2.4 cubic feet. The overall weight is 46 pounds.

carton.

b. Removing Contents.

22. Checking Unpacked Equipment

Caution: Be careful when unpacking equip-

ment. Do not thrust tools into the interior of

a. Inspect the equipment for damage in-

curred during shipment. If the equipment has

t h e shipping container; this procedure may

been damaged, refer to paragraph 13.

damage the equipment.

(1) Cut and fold back the metal straps.

b. See that the equipment is complete as

(2) Remove the nails from the wooden

listed on the packing slip. If a packing slip

cover with a nail puller and lift off

is not available, check the items of equipment

the wooden cover.

against the components chart (para 16).

(3) Remove the outer corrugated carton

that is wrapped in a moistureproof

c. If the equipment has been used or recon-

barrier.

ditioned, see whether it has been changed by

a modification work order

(MWO). If

(4) O p e n the outer corrugated carton

modified, the MWO number will appear near

and open the moisture-vaporproof

the nomenclature plate.

barrier.

Section Il. OPERATOR'S CONTROLS AND INDICATORS, AND

OPERATION UNDER USUAL CONDITIONS

2-3. Voltmeter, Electronic AN/USM-98A

Operating Controls and Indicators

(fig. 2 and 4)