Visual Inspection - TM-11-6625-601-120062

TM 11-6625-601-12

3-7. Visual Inspection

3 . 8 . Quarterly Preventive Maintenance

Checks and Services

a. When the equipment fails to perform properly,

turn off the power and check all the items listed

Perform the maintenance function indicated in the

below.

quarterly preventive maintenance checks and

Warning:

services chart (para 3-9) in addition to those given

Do not check any item with the power on.

in the daily and monthly preventive maintenance

Damage to personnel from high voltage

checks and services charts (para 3-4 and 3-6). A

exists when the power is turned on.

quarterly interval is defined as approximately 90

(1) Check to see that the switches and controls

calender days of 8-hour-per-day operation. Ad-

have been set properly.

justment of the maintenance interval must be

(2) Check to see that the power and rf jumper

m a d e for any unusual operating conditions.

cables are connected properly.

Equipment used less than 8 hours per day or

(3) Check to see that the power circuit breaker

maintained in a standby (ready for immediate

on the TS-1967/ARC-54 is on.

operation) condition requires quarterly preventive

6. If the checks in a above do not locate the

maintenance. Equipment in limited storage (re-

trouble, perform the procedures given in the

quires service before operation) does not require

troubleshooting chart.

quarterly preventive maintenance.

3-9. Quarterly Preventive Maintenance Checks and Services Chart

WARNING

3-10. Cleaning

The fumes of TRICHLOROETHANE are

Inspect the exterior of the MK-733/ARC-54. The

t o x i c . Provide thorough ventilation

exterior surfaces should be free of dirt, grease, and

whenever it is used; avoid prolonged or

fungus.

repeated breathing of vapor. Do not use

a. Remove dust and other loose dirt with a clean.

n e a r an open flame or hot surface;

soft cloth.

3-4 Change 3