Kongsberg ACS500, Instruction Manual

Page: 87 / 148

Maintenance
Insert longer M6 screws in the 6 holes,
E
to push open the lid.
If this is difficult, there might be a pressure difference. Open the vent screw,
C
for relief and continue opening the lid.
2 Remove the top end cap.
3 Always perform an interseal test on the test port ,
D
when the lid has been opened.
See Testing the seal on page 89.
Changing the batteries in the external quad battery unit
Purpose
This procedure explains how to change the battery on the external quad battery unit.
Procedure
1 Open the external quad battery unit.
See Opening the external quad battery unit on page 84.
2 Grab the handle,
E
and pull out the old battery.
3 Insert the new batteries.
4
Place the top end cap back on.
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