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This Guide is made available for the express use of owners and users of the Dive Lab XLDS systems.
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Document XLDS Guide – Section Four A
Revised September 30, 2019
19
SECTION FOUR A: RDC REPAIR / MAINTENANCE / OVERHAUL
Figure 20
5. Using the 9/16” wrench, loosen then remove
stem cap (7) from each valve.
Figure 21
6. If the cross connect valves are being serviced,
loosen and remove the 4 bolts (9) and nuts
(10). If the umbilical supply valves are being
serviced, remove the bolts and nut (25).
Figure 22
7.
Remove the center section (1).
Figure 23
8. Press in on one side of the ball until one of the
plastic end seals (6), until the other pops free,
then rotate the ball (5), until the slot is parallel,
with the center section then, the ball will fall
free.
Figure 24
9. Push down on the stem shaft (40), and work
to one side, until it pulls free, then remove the
old stem washer (3).
Figure 25
10. Using a brass pick from the outside of the
valve, pull up and remove, the two white
packing discs (2) rings and discard.
Figure 26
NOTICE
Take care not to scratch the ball. If the ball is
scratched, it will not seal and must be replaced.
