TM 11-6625-823-15
CHAPTER 3
OPERATOR AND ORGANIZATIONAL MAINTENANCE
3-1. Scope of Maintenance
performed at specific intervals. These checks and
The maintenance duties assigned to the operator
services are to maintain Army electronic equip
and organizational repairman for the AN/PSM-13
ment in a combat-serviceable condition; that is, in
are listed below, together with a reference to the
good general (physical) condition and in good
paragraphs covering the specific maintenance
operating condition. To assist operators in main-
function. These duties do not require any special
taining combat serviceability, the chart indicates
tools or test equipment.
what to check, how to check, and the normal indi-
a. Operator's daily preventive maintenance
cations. The References column lists the para-
graphs or manuals that contain detailed repair or
b. Operator's weekly preventive maintenance
replacement procedures. If the defect cannot be
remedied by performing the corrective actions
c. Organizational monthly preventive mainte-
listed, a higher category of maintenance or repair
is required. Records and reports of these checks
d. Organizational quarterly preventive mainte-
and services must be made in accordance with re-
quirements given in TM 38-750.
3-2. Preventive Maintenance
3-3. Preventive Maintenance Checks
and Services Periods
Preventive maintenance is the systematic care,
servicing, and inspection of the AN/PSM-13 to pre-
Preventive maintenance checks and services of
vent occurrence of trouble, reduce downtime, and
t h e equipment are required daily, weekly,
insure that the equipment is serviceable.
a. Systematic Care. Procedures given in
para-
the checks and services that must be done daily (or
at least once a week if the equipment is maintained
care and cleaning essential to the proper upkeep
and operation of the equipment.
specify additional checks and services that must be
b. Preventive Maintenance Checks and Services.
performed on a weekly, monthly, and quarterly
The preventive maintenance checks and services
basis, respectively.
3-4. Operator's Daily Preventive Maintenance Checks and Services Chart
Sequence
No.
Item to be inspected
References
Procedure
1 . . . . . . . . ..Completeness. . . . . . . . . . . . . . . . . . . . . . Check to see that equipment is complete . . . . . . . . . . . . . . Appendix B.
2 . . . . . . . . .. Exterior surfaces . . . . . . . . . . . . . . . . . . Clean exterior surfaces, including panel and meter Para 3-8.
glass. Check meter glass for cracks.
3 . . . . . . . . .. Control and indicator . . . . . . . . . . . . . . While making operations checks (item 4 below), check None.
to see that the switch is smooth and free of external
or internal binding, and that there is no excessive
looseness. Also, check meter for sticking or bent
pointer.
4 . . . . . . .. Operation . . . . . . . . . . . . . . . . . . . . . ... . During battery testing operation, be alert for any ab- Para 2-4.
normal indication.
3-5. Operator's Weekly Preventive Maintenance Checks and Services Chart
Sequence
No.
Item to be inspected
Procedure
References
1 . . . . . . . . .. Bag . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Check condition of CW-842/PSM-13 . . . . . . . . . . . . . . . . . . . . None.
3-6. Organizational Monthly Preventive Maintenance Checks and Services Chart
Sequence
No.
Item to be inspected
Procedure
References
1 . . . . . . . . . . Adapter connectors . . . . . . . . . . . . Check sockets for broken or burnt contacts.
2 . . . . . . . . . Octal plug . . . . . . . . . . . . . . . . .. Clean plug.
Change 3 3-1