TM 11-6625-2718-14&P
3-5. Cleaning
c. Remove dust or dirt from the jacks with a
c o t t o n swab stick lightly dampened with
Inspect the exterior of the TS-2609A/U. The
trichloroethane.
exterior surfaces should be free of dust, dirt,
CAUTION
grease, and fungus.
Do not press on the meter face (glass)
a. Remove dust and loose dirt with a clean, soft
when cleaning; the meter may become
cloth.
damaged.
WARNING
d. Use a soft, clean cloth to clean the front
The fumes of trichloroethane are toxic.
panel, meter, and knob, If dirt is difficult to
Provide thorough ventilation whenever
remove, dampen the cloth with water; mild soap
used, DO NOT use near an open flame.
may be used for more effective cleaning.
Trichloroethane is not flammable, but
e. Wipe Case, Test Set CY-6785/U with a
exposure of fumes to flames converts
clean, dry cloth. R e m o v e greasy or dummy
fumes to highly toxic, dangerous gases.
deposits with a cloth dampened lightly with
b. Remove grease, fungus, and ground-in dirt
trichloroethane.
from the case; use a cloth dampened (not wet)
with trichloroethane.
Section IV. TROUBLESHOOTING
3-4. General
b. Any malfunction that is beyond the scope of
the operator to correct shall be referred to higher
a. This section provides a chart listing the most
category maintenance.
frequent malfunctions, their probable causes, and
the corrective actions required. Symptoms in-
3-7. Troubleshooting Chart
dicated in this chart include those which you may
The troubleshooting chart for the test set is
have observed during preventive maintenance
provided in table 3-2.
checks as well as those you encountered during
normal operation of the test set.
Probable cause
Malfunction
Corrective action
a. No rf power applied to the TS-
1. No meter indication.
2609A/U.
b. Change selector switch position.
b. Selector switch in wrong position.
2. Intermittent or inconsistent meter
readings,
b. Repair or replace transmitter or
transmission lines.
lines.
c. Replace defective cable.
c. F a u l t y C a b l e A s s e m b l y C G -
409G/U.
a. Defective antenna or dummy load.
3 . High swr or high percent of
b. Shorted or open transmission line.
b. Repair or replace transmission
reflected power.
lines.
c. Foreign material in TS-2609A/U or
CG-409G/U connectors.
