REGULATORS
DELTA II SECOND STAGE
© 2002 Design 1997
OCEANIC® Product Service Guide
Doc. 12-2223-r03 (10/3/10)
PG-5
R = Revision
Fig. 4
Fig. 5
Fig. 6
11. Using the poppet installation tool, push the poppet(15) inward in
the inlet tube of the housing which will push the spring pad(26),
adjustment spring(27), and adjustment stem(29) with spring fol-
lower(28) through the outer end of the adjustment tube(24). (Fig.
4). If the spring pad does not come out, gently tap the housing
in your hand to remove it.
12. Remove the o-ring(30) from the adjustment stem(29) and examine
for signs of decay or distortion. Discard if found.
Note: Removal of the piston spring follower(28) from the
adjustment stem should not be necessary unless it is broken
or needs to be replaced. In this case remove it by holding the
stem(29) in one hand and turning the follower(28) clockwise
with your other hand. Note the thread is left handed.
13. Examine the adjustment spring(27) with a magnifier and compare
with new to ensure correct tension and length. Discard if found
to be weakened or corroded.
14. Using your finger, push the adjustment tube(24) into the hous-
ing(4) and remove by tilting and lifting out (Fig. 5). The balance
shaft(21) will retract into the tube during removal.
15. Remove the o-ring(25) from the adjustment tube(24) and inspect
for any signs of decay. Discard if found.
16. Remove the balance shaft(21) by pushing it out of the adjustment
tube using a cotton swab . Examine the shaft and compare with
new to ensure that it is not bent or distorted in any way. Discard
if distortion is found. Remove the snap washer(22) by gently
inserting a small screwdriver through one of the slots in the
adjustment tube. Examine the snap washer for deterioration.
Discard if found. Remove the balance shaft o-ring(23). (Fig. 6)
Discard the o-ring and DO NOT attempt to reuse.
17. Remove the poppet(15), poppet spring(16), washer(18), spac-
er(19), lever (17), and lock nut(20) by holding the poppet with
the poppet installation tool while turning the locking nut(20) coun-
terclockwise using a 1/4" nut driver. To avoid a sudden ejection
as they are disengaged, continuously apply a slight amount of
inward pressure to the poppet and the locking nut.
18. Examine the spacer(19) for deterioration. Discard if found. Dis-
card the locking nut(20) and washer(18), and DO NOT attempt
to reuse.
19. Examine the lever arm(17) and compare with new to ensure that
it is not bent or distorted in any way. Discard if distortion is found.
20. Examine the poppet spring(16) with a magnifier and compare
with new to ensure correct tension and length. Discard if found
to be weakened or corroded.
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