TM 11-5840-281-12-1
Section II OPERATOR PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS)
2-2. GENERAL.
To ensure operational readiness of the ANITPN-18A it must be inspected at definite intervals so that defects may be
found and corrected before they result in serious damage or failure. The Preventive Maintenance Checks and Services
(PMCS) that must be done are listed on page 2-9.
The Preventive Maintenance Checks and Services procedures are required to keep your equipment in good operating
condition. They include (B) before operation and (W) weekly checks.
Perform the before operation and weekly checks if you are the assigned operator and have not operated the equipment
since the last check, or if you are operating the equipment for the first time.
If the equipment fails to operate, see operator troubleshooting procedures in chapter 3, section I of this manual. Use DA
PAM 738-750 as a guide for reporting problems and using forms.
Routine checks like cleaning components, checking for frayed and damaged cables, checking for loose hardware, and
corrosion on receptacles and connectors are not listed in the PMCS tables. These checks and time intervals are
described in paragraph 3-3. If you find a routine check in the PMCS, it was listed because other operators reported
problems with this item.
The ITEM NO. column in the PMCS table is to be used as a source number for the TM number column on DA Form
2404, Equipment Inspection and Maintenance Worksheet, for recording PMCS results.
The EQUIPMENT IS NOT READY/AVAILABLE IF: column tells you why your equipment cannot be used if the ITEM TO
BE INSPECTED does not meet PROCEDURE needs.
NOTE
Keep in mind all warnings and cautions when performing PMCS or any routine checks.
If the equipment must be kept in continuous operation, check and service only those items
that can be checked and serviced without disturbing operation. Make the complete checks
and services when the equipment can be shut down.
When the radar set is operated with Interrogator Set ANITPX-44 as part of Landing Control
Central ANITSQ-71 B, refer to TM 11-5895-468-12 and TM 11-5895-474-12 addendum for
operator preventive maintenance instructions for equipment that is not a part of Radar Set
AN/TPN-18A.
2-8
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