TM 5-6630-215-12
Table 3-2. Troubleshooting, Operator - Continued
MALFUNCTION
TEST/INSPECTION
CORRECTIVE ACTION
(1)
(2)
(3)
(4)
(5)
(6)
(7)
NOTE
The instrument requires 8 each 1 1/2V batteries.
Remove power source.
Lift out panel, lay it on a protective cover.
Remove installed batteries. Clean contacts.
Replace batteries, taking care to align the polarity in accordance with the markings on
the contacts.
Exchange the battery pack cable with the AC connection on the BC5 amplifier board.
Reassemble meter. Install the % transmittance - absorbance meter scale. Close the light
shield lid. Place the light switch in zero check position. Now position the meter needle
for a zero % T reading with the zero adjust control.
Turn meter on.
A 100% T reading must be obtained while adjusting the light
control, to indicate batteries are fully charged. If unit is not operational,
refer to organizational maintenance personnel.
3-18
