LESSON 1
TEST WIRE LINES TO IDENTIFY TROUBLE
TASKS
Test wire line to identify trouble.
CONDITIONS
1.
PERFORMANCE.
Given approximately 150 feet of installed field wire
line with faults, telephone set TA-312/PT, BA-30 batteries, gloves, tool
equipment TE-33, FM 24-20 and TM 11-5805-201-12 extracts, a predetermined
site, using simulated tactical scenario narrations and discussions, and with
a qualified supervisory OJT monitor's assistance.
2.
PERFORMANCE-ORIENTED.
Given Lesson 1 material, FM 24-20 and TM 11-
5805-201-12 extracts, pencil, paper, and without supervision.
STANDARDS
1.
PERFORMANCE.
Correctly test wire line to identify trouble without
error within one out of two attempts, and within 30 minutes, under a
simulated tactical scenario environmental condition.
2.
PERFORMANCE-ORIENTED.
Demonstrate competency of the task skills and
knowledge by correctly responding to 80 percent of the multiple-choice test
covering troubleshooting field wire WD-1( )/TT.
REFERENCES
FM 24-20 and TM 11-5805-201-12 extracts with all changes.
Learning Event 1:
CONNECT WIRE TO TEST TELEPHONE.
1.
Field wire plays an important role in communication systems requiring
telephone lines.
Field wire is subject to short circuits, open circuits,
grounded circuits, and crossed circuits. The repair person will determine
the nature, location, and extent of any line-fault with the use of test
instruments and correct testing procedures.
2.
During this lesson, you will learn the procedures for testing a wire
line to identify trouble. The tests on a field wire line are performed to
locate a line fault promptly with minimum service interruptions (Chapter 11,
FM 24-20).
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