Sherwood Scuba MAGNUM SRB5300 Specifications download pdf (Page 24)

C. Wet Breathing:

1. Improper clearing, or diver diving in total Instruct the diver on proper clearing

head-down position. technique.

2. Diaphragm improperly installed. Visually check position of diaphragm.

3. Hole in the mouthpiece at tie area. Replace the mouthpiece.

4. Hole in the diaphragm. Replace the diaphragm.

5. Damaged exhaust valve, or edges of Replace exhaust valve.

the exhaust valve not firmly seated on

the case.

6. Crack in case. Replace case.

D. Humming or Buzzing During Inhalation:

1. Harmonic resonance between the springs Disassemble the first stage and flip the

and the mass of the piston. main spring over. Change the position

of the piston in its bore. If resonance is

still present, install a new piston and

spring.

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Sherwood Scuba MAGNUM SRB5300 Specifications Page 24