Daily and Weekly Preventive Maintenance Checks and Services Chart

TM 11-6625-601-12

3-4. Daily and Weekly Preventive Maintenance Checks and Services Chart

does not require monthly preventive mainte-

3-5. Monthly Preventive Maintenance

nance.

Checks and Services

b. The monthly preventive maintenance

a. Perform the maintenance functions indi-

checks and services chart contains functional

cated in the monthly preventive maintenance

tests for the MK-733/ARC-54. These tests, in

checks and services chart (para 3-6) once

addition to the requirements in a above, should

each month in addition to those given in the

be performed when the equipment is initially

d a i l y and weekly preventive maintenance

received and at any time that trouble is sus-

c h e c k s and services chart (para 3-4). A

pected. The tests involve checking the various

monthly interval is defined as approximately

modes of operation with the SM-349/ARC-5

30 calendar days of 8-hour-per-day operation.

plugged into the TS-1967/ARC-54 and using

If the equipment is operated 16 hours a day,

the front panel indicators and frequency coun-

the monthly preventive maintenance checks

ters. If trouble is encountered in performing

and services should be performed at 15-day

the functional tests, visually inspect the equip-

intervals. Adjustment of the maintenance in-

ment as detailed in paragraph 3-7. If trouble

terval must be made to compensate for any un-

still exists, refer to the applicable procedure

usual operating conditions. Equipment used less

in the troubleshooting chart (para 3-13). The

than 8 hours per day or maintained in a stand-

steps are to be performed in the sequence giv-

by (ready for immediate operation) condition

en. Switch positions and equipment setup giv-

must have monthly preventive maintenance

en in each step should not be changed unless

checks performed on it. Equipment in limited

otherwise instruction in later steps.

storage (requires services before operation)

3-6. Monthly Preventive Maintenance Checks and Services Chart

3-2