Thruline RF Power Meter, Model 4421
41
Figure
19
Battery Assembly Removal
6.
Lift the battery assembly out of the Power Meter.
7.
Unfasten the battery retaining belts then remove the battery tubes (
Figure
20
). Be sure to note the polarity
and orientation of the battery tubes before removing them.
Figure
20
Battery Assembly
8.
Remove the batteries from each tube and insert replacement batteries. Be sure to note the polarity (positive
and negative) arrangement of the batteries.
9.
Install the battery tubes into the battery assembly and secure with the retaining belts. Be sure to position the
retaining belts as they were before removal and tighten them securely.
10. Install battery assembly in the Power Meter. Align tabs on battery assembly with slots in Power Meter.
11. Install two screws to secure battery assembly to Power Meter.
12. Connect the battery assembly power supply connector to the main board.
13. Connect the ground wire to the top cover.
14. Install the top cover and secure it with the four screws removed earlier.
