TM 11-540-281-35/1
CHAPTER 1
INTRODUCTION
1.1.
Scope
3. All Radar. Sets AN/TPN-18 manufactured under
a.
This manual covers direct and general
Contract DAAB07-69-C-0277 contain electromagnetic
support, and depot maintenance for Radar St AN/TPN-
interference (EMI) filters within Remote Switching
18. Chapter 2 provides a brief explanation of the
Control C-6989/TPN-18, Radar Receiver-Transmitter
electrical and mechanical functioning of the overall
RT-818/TPN-18, and Control-Indicator C-6988/TPN-18
system and of the individual groups. Chapter 3 provides
Refer to the nomenclature plates on the RT-818/TPN-18
direct support maintenance instructions which include
and C-6988/TPN-18 to determine the contract under
troubleshooting, alignment, and repair. Chapter 4
which the equipment was manufactured.
provides direct support testing procedures and
performance standards. Chapter 5 provides general
1.2.
Indexes of Publications
support maintenance instructions and testing
procedures. Chapter 6 provides depot maintenance
a.
Refer to the latest issue of DA Pam 310-
instructions and testing procedures. Chapter 7 provides
4 to determine whether there are new editions, changes,
depot overhaul standards for checking the equipment
or additional publications pertaining to this equipment.
after extensive repair or overhaul. Chapters 6 and 7
b.
Refer to the latest issue of DA Pam 310-
appear in volume 2 of this manual.
7 to determine whether there are modification work
b.
The technical manuals necessary to
orders pertaining to this equipment.
provide complete coverage of Radar Set AN/TPN-18 are:
TM 11-5840-281-12, TM 11-58l0-281-20P, TM 11-
1-3.
Reporting of Equipment Publication
5840-281-35/1, TM 11-5840-28135/2 and TM 11-5840-
Improvements
281-35P.
The reporting of errors, omissions, and
recommendations for improving this publication by the
NOTES
individual user is encouraged. Reports should be
submitted on DA Form 2028 (Recommended Changes
1. Applicable forms and records are covered in TM 11-
to Publications) and forwarded direct to Commander, US
5840-281-12.
Army Electrons Command, ATTN: AMSEL-MA-AN, Fort
2.This manual contains unreviewed information compiled
Monmouth, NJ. 07703.
by the equipment manufacturer. The information
primarily covers radar sets purchased under Contract
1-4.
Differences in Models
DAAB07-69-C-0277 but all tests, testing and alignment
A general description of differences in models, if
procedures, and troubleshooting data apply to all radar
applicable, will be found in TM 11-584-281-12. Specific
sets. Older radar sets have different wire numbers and
maintenance and test procedure differences will be
contain terminal-board mounted components instead of
found in the appropriate chapters of this manual.
the printed (etched) circuits described in this manual.
Change 1 1-1
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