In Case Of Difficulty; Test And Verification - GE Bently Nevada TK84 User Manual

Section 2 - In Case of Difficulty

2. In Case of Difficulty

2.1

Test and Verification

Perform the following checks to be sure the
TK84 is functioning properly.
1.
Visually inspect for physical damage
to case, connectors, and switches.
2.
Set CHAN A switch to ON and CHAN B
switch to OFF. BATTERY OK WHEN LIT
indicator should be brightly lit and not
flashing. If not, check battery
connection and battery condition.
3.
Set CHAN B switch to ON and CHAN A
switch to OFF. BATTERY OK WHEN LIT
indicator should be brightly lit and not
flashing. If not, check battery
connection and battery condition.
4.
Connect Proximitor to POWER and
COM terminals to provide load. (You
can use a 3K ± 500 ohm resistor if a
Proximitor is not available.)
5.
Set CHAN B switch to ON.
6.
Connect DC voltmeter between
POWER and COM terminals and
measure the voltage. It should be
from -22 to -26 Vdc.
7.
Set CHAN B switch to OFF.
8.
Connect optical probe cable to PROBE
A connector.
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