SRB5600.pdf1687 KBytes - Frogkick.dk

C. Wet Breathing:
1. Improper clearing, or diver diving in total Instruct the diver on proper clearing
head-down position.
technique.
2. Leaking past adjusting lever 25 . Install new o-ring 24 . Check sealing
surface & groove.
3. Diaphragm improperly installed or holed. Check position of diaphragm visually.
Replace if holed.
4. Damaged or loose fitting exhaust valve Replace exhaust valve 26 .
5. Crack in case 20 . Replace case.
D. High Frequency Humming or Buzzing During Inhalation:
1. Harmonic resonance between the springs Disassemble the first stage and flip the
and the mass of the piston in the first stage. main spring over. Change the position
of the piston 23 in its bore. If
resonance is still present, install a new
piston and spring.
E. Low Frequency Fluttering During Inhalation (Above the Surface Only):
1. Harmonic resonance between the springs Try adjusting the lever tip closer or
and the mass of the second stage diaphragm. farther from the diaphragm wear plate.
Switch diaphragm with another unit.
Explain to the customer that this is not
harmful to the regulator, and does not
happen underwater.
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