SERVICE MANUAL
Page 24
Service manual Jetstream Mk3 - V. 1.0 - 11-02-08 Approved by: JN
JETSTREAM Mk3 - Mk3
Step Tools/Instructions
1
Connect the Xstrean 1st stage to the test equipment.
Connect the test manometer hose to one of the
low pressure outlets..
Connect the Jetstream 2nd stage to one of the
low pressure outlets on the Xstream 1st stage.
2
Pressurize the 1st stage at maximum tank pressure.
3
Connect the oval connecting pipe on the inhalation resistance gauge to the mouth-piece
on the Octopus.
Test-breathe very carefully. Check the reading of the gauge needle, which should rise
to 1.37-1.57 inch (35-40mm)/vp and then move back.The turning point reading equals
the inhalation resistance. If the reading is too low, screw the valve tube away from the
diaphragm as shown in the picture below.
If the reading is too high, screw the valve tube towards the diaphragm.
Tighten up the stop screw.
Repeat the inhalation test again to verify that the inhalation resistance remains the same
after the stop screw has been tightned.
ADJUSTMENT OF THE INHALATION RESISTANCE - SECOND STAGE
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