Table 3-1. Flight Line Preventive Maintenance Checks and Services

TM 11-5826-258-24

Table 3-1. Flight Line Preventive Maintenance Checks and Services-Continued

Total taskhours required: 1.24

Work

ITEM TO BE INSPECTED

Sequence

Time

PROCEDURE

No.

(T/H)

.25

GLIDESLOPE OPERATIONAL CHECK

Check the receiver glideslope function for proper operation in accordance with paragraphs 3-14 and 3-15.

.25

MARKER BEACON OPERATIONAL CHECK

Check the receiver marker beacon function for proper operation in accordance with paragraphs 3-14 end

3-15,

.25

VOR OPERATIONAL CHECK

Check the receiver VOR function for proper operation in accordance with paragraphs 3-14 and 3-15.

LOC OPERATIONAL CHECK

.25

Check the receiver localizer function for proper operation in accordance with paragraph 3-14 and 3-15.

installed from float stock. These tests and inspections

3-5. Bench Test Preventive Maintenance

are performed by director general support personnel.

a. During the aircraft periodic preventive main-

b. The flight line maintenance checks indicated in

tenance checks and services (every 300 flying hours),

table 3-1 are performed `on the float stock being in-

the electronic equipment will be removed from the air-

stalled in the aircraft.

craft for bench tests and inspections given in table

3-2. Replacement electronic equipments will be re-

Table 3-2. Bench Test Preventive Maintenance

Total taskhours required: 3.74

Work

ITEM TO BE INSPECTED

Sequence

Time

PROCEDURE

No.

(T/H)

SECTION I GENERAL

Taskhours required:

.08

PUBLICATIONS

Check to see that all pertinent publication are available. This manual must be complete and in usable con-

dition, without missing pages. All changes pertinent to this publication must be on hand. Refer to DA

Pam 310-4.

.08

MODIFICATION WORK ORDERS

Check to see that all URGENT MWO's have been applied to the equipment and that all NORMAL MWO's

have been schedule. Refer to DA Pam 310-7.

SECTION II - RECEIVING SET

Taskhours required:

.08

RECEIVING SET

Check to see that receiving set is complete. Refer to paragraph 1-14.

RECEIVER CONTROL

Perform the following tests in accordance with paragraph 3-17 and 3-18.

a. Switching tests.

b. Audio volume adjustment tests.

c. Panel lighting test.

1.0

VOR RECEIVER SECTION

Perform the following tests in accordance with paragraph 3-19 or paragraph 3-24.

a. RT sensitivity test.

b. Audio output test.

c. Agc flatness test.

d. VOR course width test.

e. VOR to/from ambiguity teat.

f. VOR alarm flag teat.

g. VOR runout error test.

h. VOR self-test.

LOC RECEIVER SECTION

Perform the following tests in accordance with paragraph 3-20 or paragraph 3-25.

a. LOC centering tact.

b. LOC sensitivity teat.

c. LOC alarm flag teat.

GLIDESLOPE RECEIVER SECTION

1.0

Perform the following tests in accordance with paragraph 3-21.

3-2