
Dead Tank Circuit Breaker
4-12
72A-1898 Rev. A 11/01
Monday
, November 26, 2001 1:09 pm
2.
Install the mounting platform for the transducer.
This platform is the same as those used with mechanical timers and is
not supplied with the TDR9000. An optional General Purpose
Adapter (Doble P/N TR3177) is available. The transducer may also be
secured directly to the circuit breaker tank.
3.
Insert the Transducer Connecting Rod into the threaded hole in the
circuit breaker operating (lift) rod.
A #10 (0.190)-32 UNF-2A thread is standard. Other thread sizes are
available from Doble.
W
ARNING
The transducer rod should be installed and removed while the
mechanism is up. In this way, if the circuit breaker is activated
accidentally, the rod can only move down.
4.
Mount the transducer on the tank.
All tests on a given circuit breaker can be performed with the
customary mounting on Tank 2. If possible, Doble recommends that
tests be performed with transducers mounted on Tanks 1 and 3, as
well.
5.
Position the transducer on the mounting platform so the Connecting
Rod is centered in its pathway.
Verify that the Connecting Rod is clear of the mounting platform.
6.
Rotate the transducer clamping knob until the small moving wheels
pinch the Connecting Rod against the bull wheel.
7.
Secure the 6" x 10" transducer base plate to the mounting platform
using two or more C-clamps (See Figure I.18 on page I-19).
Figure 4.2 shows the cable connections for the Dead Tank test.
Содержание TDR9000
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