APTech Series AK M86 - Manual (Page 12)

AK M80/86 Manual P/N 00-15000010 Rev 3
5.1.4. Cylinder “A” Depleted
Confirm that A Side (left) side cylinder is depleted by reading the pressure gauge. The exact pressure will
depend on the specific AK M80/86 model. The approximate pressure when the A Side cylinder is depleted
is given in Table 4.
Rotate AK M80/86 crossover manifold “selection” knob clockwise until internal stop is contacted. The
knob will rotate approximately 270 degrees. The “IN SERVICE” label arrow on the knob should be
pointing at approximately 4:30 o’clock position toward the B Side (right) cylinder.
Close A Side (left) cylinder valve and manual valve between A Side (left) cylinder and AK M80/86
crossover manifold. If required, operate equipment to purge line from cylinder to manifold.
Disconnect depleted A Side cylinder and connect full cylinder.
Open A Side (left) cylinder valve and manual valve between A Side (left) cylinder and AK M80/86
crossover manifold. Pressure on A Side (left) gauge should indicate the cylinder pressure.
AK M80/86 Model A Side Depletion
Pressure, psig
AK M8002, M8602 85
AK M8006, M8606 85
AK M8010, M8610 135
AK M8015, M8615 225
AK M8025 435
Table 4. Approximate A Side Cylinder Depletion Pressure
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