Section III. PREVENTIVE MAINTENANCE CHECKS AND SERVICES (Organizational)

TM 11-7440-232-12/NAVELEX 0967-LP-275-5010

Section III. PREVENTIVE MAINTENANCE CHECKS AND SERVICES (Organizational)

5-8. GENERAL

The purpose of scheduled preventive maintenance checks and services (PMCS) is to prevent trouble, reduce

downtime, and assure that the digital data modem remains in operating condition.

5-9. RECORDS AND REPORTS

Records and reports of preventive maintenance checks and services must be made in accordance with the

requirements set forth in TM 38-750 and DA PAM 738-750 The Army Maintenance Management System (TAMMS). Use

your PMCS TABLE Item No. column to get the number for the TM ITEM NO. column of DA Form 2404 Equipment

Inspection and Maintenance Worksheet.

5-10. PMCS TABLE

A PMCS TABLE for the Digital Data Modem MD-701(*)IUY appears at the end of this section.

NOTE

If the equipment MUST be in operation all the time, check and service those items that can be

checked and serviced without disturbing operation. Make the complete checks and services

when the equipment CAN be shut down.

a. Weekly schedule

All PMCS listed in the table are required each week.

b. The PMCS can also be used to assist in

Reestablishing service after shut down.

Troubleshooting to determine that the transmit or receive branch, or both, can be operated.

c. Routine checks are NOT listed as PMCS checks. They are checks such as the following

Cleaning

Dusting

Checking for frayed cables

Storing items not in use

Checking for loose nuts, bolts, and screws

Checking for loose or broken knobs

Routine checks are things that you should do anytime you see they must be done. If you find a routine check like

one of those listed in your PMCS TABLE, it was listed because other personnel reported problems with this item.

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