Expendable Supplies and Material

TM 11-6760-238-34

at direct support maintenance level. Refer to figure* FO-5

3-5. Operational Check

sheets 1 through 5 for a complete schematic diagram of

a. With power off and the shutter test set

the shutter test set Figure* FO-7 sheet through 4

separated from its case (para 3-8a) for access to its

comprise the wiring diagram for shut test set.

internal parts, examine the shutter test set for visual

signs of damage

Table 3-1. Test Equipment and Tools

b. Check for broken, burned or damaged wires

and insulation.

c. Examine the external connectors to ensure

Tool and test equipment

Used to

there are no bent or misaligned pins.

d. Ensure that all switches index properly and do

Voltmeter, ME-202B/U

Perform voltage

not bind.

measurements.

e. Check the fuses to ensure they are in good

Multimeter, AN/USM-223

Performs continuity

operating condition.

and assistance checks

f. Set all control switches to the off, neutral, or

Tool Kit, Photographic Repair

Perform repairs and

maximum counterclockwise positions.

TK-77/GF

alignment.

g. Connect test equipment as shown in figure 3-1

Tool Kit, Photographic Repair

Perform repairs and

and perform the steps of the following general

TK-77/GF

alignment.

operational check (table 3-2) in the order given to check

the shutter test set electrically.

3-4. Expendable Supplies and Material

CAUTION

Refer to appendix B for the list of expendable supplies

Observe polarity when connecting the

and materials.

ME-202B/U voltmeter cables to shutter

test set. All voltages displayed on the

voltmeter will be positive readings.

Figure 3-1. Operational check, test setup.

3-2