TS22 Series Test Sets 13
2. Locating an open circuit is accomplished by bridging the TS22,
TS22DS or TS22A Test Set across the circuit – one test lead on tip, the
other on ring. Moving away from the CO, the fault is located at the point
the loud CLICK disappears.
3. Continuity of each side of the loop may be verified by placing one of the
line leads on a local ground and the other on the conductor in question.
On a good RING conductor, a CLICK will be heard; on a good TIP
conductor, an inductive HUM will be heard (due to the difference in
ground potential between the CO ground and the local ground).
Maintenance
Replacing the Monitor Speaker Battery
Note: Be sure to replace the
battery with a good 9 volt battery
or the test set will not operate at
all.
To replace the Monitor Speaker Battery (see Figure 7):
1. Remove the three screws from the battery compartment.
2. Remove the battery compartment cover.
3. Lift out the battery retainer.
4. Remove the battery from the battery boot and install an Alkaline or
Lithium 9V battery.
5. Replace the battery boot, retainer, cover, and screws. Strain relief ring
must be inside the case as shown. Avoid pinching battery wires.
WARNING:
Disconnect clips from any metallic connections before performing
any maintenance. Read all instructions completely and understand
possible hazards to end user if not performed by authorized service
personnel.
:
1. Batteries are hazardous to handle. Do not allow the terminals to be
shorted together. Severe burns or explosion can result if not handled
properly. Dispose of battery properly to ensure contacts cannot short.
Disposal may be restricted by local laws.
2. Do not use CRC Cable Clean
®
or any similar chlorinated solvent on the
test set. Doing so will damage the test set.
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