Section IV. TEST PROCEDURES

TM 11-6130-429-40

2-12. Painting

NOTE

Touchup painting is recommended instead

The converter is painted in accordance with military

of refinishing whenever practical; screw

specification MIL-F-14072, Finish No. E513, (item

heads, test points, and other mounted

9, appx B). Use this material if the entire cover is

parts should not be painted or polished

stripped and refinished. For nicks, scratches, or

with abrasives. Apply touchup or new fin-

small areas, use any matching paint or finish listed in

ish in accordance with TB 43-0118.

SB 11-573.

Section IV. TEST PROCEDURES

2-13. General

(3) Test procedures. Perform the bench test, af-

ter any repair, and before qualifying equipment for

The following test procedures ascertain that all main-

field use.

tenance functions contained in this manual have

Operational Test

Table 2-1

been compiled with before the equipment is returned

Bench Test

Table 2-2

to the using organization, or placed in storage.

Troubleshooting

Table 2-3

a. Modification Work Orders. Check to see

Physical Test and Inspections Table 2-4

whether any MWO'S are required for the converter or

its components. Check equipment to see if applicable

2-14. Physical Test and Inspections

MWO'S have been applied and MWO number is

a. Test Equipment. None required.

stamped as required. Perform modification or re-

b. Test Connections and Conditions.

quest for modification as applicable.

(1) No connections are necessary.

b. Final Performance Tests. The components of the

(2) Following conditions are necessary.

converter shall meet the requirements of table 2-2 to

(a) Remove top cover.

insure correct functional operation.

(b) Subassemblies: Inspect at time of disas-

(1) Test equipment and materials. Required test

sembly and/or repair.

equipment is listed in paragraph 2-2.

c. Procedure. Inspect as specified in table 2-4.

(2) Test connections and conditions. The test

connections and conditions are listed in paragraph (3)

below.

Table 2-4. Physical Test and Inspection

Test

Indication

Inspect chassis, cover, front and rear panels for physical damage

There should be no physical damage serious enough to prevent

such as dents, punctures or bent areas.

proper operation.

Inspect switches, connectors, terminal boards, printed circuit

There should be no missing parts or damage so as to prevent

cards, and lamp for damage or missing parts.

proper operation.

There should be no bare metal showing on painted surfaces. Identi-

Inspect components for condition of finish and identification mark-

ings.

fication marking should be legible.

Inspect components for loose, damaged or missing hardware.

There should be no loose, damaged or missing hardware.

Inspect cables and wiring for fraying, cuts or breaks in insulation.

There should be no fraying, cuts or breaks in insulation.

Inspect solder connections for excessive, skimpy, or cold solder

There should be no excessive, skimpy, or cold solder joints.

joints.

Check ON/OFF and SYSTEM SELECT switches for proper opera-

All switches should operate freely without binding.

tion.

Check BLOWER for proper operation by rotating blades.

Fan blades should rotate freely without binding and have adequate

clearance.

2-30