Chapter 4. OPERATOR/CREW MAINTENANCE INSTRUCTIONS

TM 11-5821-285-12-1

CHAPTER 4

OPERATOR/CREW MAINENANCE INSTRUCTIONS

and abrasions with electrical tape, and tightening loose

4-1. General

nuts and bolts are to be performed when the need is

To be sure the ANIASC-15A(V)(*) is always ready for

obvious.

If the equipment does not meet

operation, it must be inspected systematically so that

readiness/availability requirements, and the defect

defects may be discovered and corrected before they

cannot be remedied by the operator/crew, higher level

result in serious damage or failure. The necessary

maintenance is required.

preventive maintenance checks and services to be

NOTE

performed are listed and described in tables 4-1 and 4-2.

Table 4-1 covers the intermediate preventive

Cover the

maintenance checks. Table 4-2 covers the periodic

console

maintenance check and services. The item numbers

with

drop

indicate the sequence of minimum inspection

cloth

requirements. Defects discovered during operation of

plastic

the unit will be noted for future correction, to be made as

when not in

soon as operation has ceased.

Stop operations

use.

c. Tools, Test Equipment and Supplies Required

immediately if a deficiency is noted during operation

which would damage the equipment.

Record all

Refer to appendix D for tool and test equipment

deficiencies together with the corrective action taken on

requirements.

DA Form 2407.

a. Systematic Care. The procedures given in tables

4-2.

Intermediate Preventive Maintenance Checks

4-1, 4-2 and 4-3 cover systematic care essential to

and Services

proper upkeep and operation of the AN/ASC-15A(V)(*).

Intermediate inspection provides verification of

b. Preventive Maintenance Checks and Services.

satisfactory operations at intervals of approximately 25

The preventive maintenance checks and services tables

flying hours and will be performed concurrently with the

outline functions to be performed at specific intervals.

intermediate inspection performed on the aircraft in

These checks and services are designed to maintain

which the equipment is installed. The maintenance

Army equipment in a combat-serviceable and mission

interval must be adjusted to compensate for any unusual

ready condition. Routine checks and services are not

operating conditions. Intermediate maintenance must be

included. Routine services such as cleaning, dusting,

performed on equipment maintained in a standby (ready

repairing cable insulation nicks

for operation) condition concurrently with the

intermediate inspection performed on the carrying

aircraft that is in a standby condition. Equipment with a

deficiency that cannot be remedied at the organizational

level should be deadline in accordance with TM 38-750.

Table 4-1. Power-Off Inspection Procedure

Item

Item to be Inspected Procedure

Equipment Will Be Reported Not Ready (RED) If:

No.

Console chassis and hardware

Check concole chassis and hardward for blistered, pitted

Hardware is missing or damaged beyond use. Corrosion or

or flaking paint, bare spots, ru st, corrosion, and general

rust interferes with console operation.

condition. Use touchup paint on bare spots and places

where paint is blistered, pitted, or flaking.

FM Control

a. Clean the front panel.

Routine services such as cleaning, dusting, tightening

b. Verify that the four quick-release fasteners which secure

loose nuts, bolts, and fasteners are to be performed when

the FM control to the console are secure.

the need is obvious.

c. Verify that panel lampholders on the front panel are

secure.

d. Note that the frequency indicator window is secure and

not damaged.

4-1