Question about Scubapro MK17/X650 Regulator SCUBA Equipment

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Possibly high intermediate pressure. slight second stage free flo

My 2 MK17 first stages seems to be supplying to higher intermediate pressure. I tried it with a different second stages and all had a small free flow from the mouth piece, even ones that worked fine on other first stages. Well, that was my inexperienced conclusion anyway. So, i would like to dismantle it, check and clean but thought id better ask first as it is a new piece of equipment.

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It is a HORRIBLE idea for you to dismantle your first stage. It should only be done by a trained technician because of how many small parts there are... now depending on your regulator you might have the ability to turn down the pressure... read the manual to find out if your reg has this adjustment capability. 

Posted on Jun 16, 2009

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Posted on Jan 02, 2017

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1 Answer

I have a DSZC16 manual indicates 2 stage compressor does that mean it increases speed when needed?


2 or 3 stage compressors normally run at a constant speed
the stages are from different size pistons
1st stage is a large piston for low pressures that feed to a second smaller piston for higher pressures and for 3 stage to an even smaller piston to get really high pressures
for example 1st stage =100psi
2nd stage =1500psi
3rdstage =3000psi
your manual should explain the set pressure for the compressor if the compressor speeds up , that is a two speed unit

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1 Answer

Is a. Blood pressure of 120/74 pulse 74 good or118/84 pulse 84 good are not for a woman ?? fifty


Table 1. American Heart Association recommended blood pressure levels6

Normal/Prehypertension Blood Pressure

Blood Pressure Category

Systolic (mm Hg)


Diastolic (mm Hg)

Normal

less than 120

and

less than 80

Prehypertension

120-139

or

80-89

High Blood Pressure

Stage 1

140-159

or

90-99

Stage 2

higher than 160

or

100 or higher

Apr 21, 2015 | Health & Beauty

1 Answer

My blood pressure is 110/95 and my heart rate is 124/bpm. I am pregnant what does that mean?


110/95 Blood Pressure
Is 110/95 Good Blood Pressure or High Blood Pressure?

There are two parts or two separate numbers referred to as blood pressure: Systolic/Diastolic. If the blood pressure is 110/95 (110 over 95), it means that the systolic pressure is 110 and the diastolic pressure is 95.

110/95 blood pressure can also be read as 110/95 mm Hg, or 110/95 millimeters of mercury. The 110 mm Hg Systolic refers to the pressure in the arteries when the heart beats, and the 95 mm Hg Diastolic is the pressure in the arteries between heartbeats.

When determining if 110/95 is a good blood pressure, we looked at the American Heart Association's blood pressure chart.

Blood Pressure Systolic Diastolic Normal Less than 120 Less than 80 Prehypertension 120 - 139 80 - 89 High Blood Pressure
(Hypertension) Stage 1 140 - 159 90 - 99 High Blood Pressure
(Hypertension) Stage 2 160 or higher 100 or higher Hypertensive Crisis
(Emergency care needed) Higher than 180 Higher than 110
For 110/95 to be good, both numbers must fit into the "normal" category above. Otherwise, it will fall into other categories of High Blood Pressure.

Systolic reading of 110 is in the Normal range.
Diastolic reading of 95 is in High Blood Pressure (Hypertension) Stage 1 range.
Therefore, 110/95 is High Blood Pressure (Hypertension Stage 1).

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1 Answer

Strange noise from mk17


Scuba pro has repair facilities everywhere they can fix this problem with a annual service kit.

Feb 26, 2013 | Scubapro MK17/S555 Regulator

1 Answer

The oil pressure is low at idle and rises with higher engine revs. Oil levels are ok, new oil approx 2000kms ago. Was a slight noise at one stage in the engine but went away after engine's revs in


It sounds as if the clearance that the bearings normally run in have been surpassed and need to be replaced. Higher engine revs will supply extra oil which will overcome any small discrepencies but constant running at this stage will result in faster degradation of all engine components concerned resulting in a more expensive repair. Shes basically worn out.

Feb 27, 2012 | 1993 Toyota Land Cruiser

1 Answer

Free flowing regulator


If free flow from the moment the unit is pressurized it could be the 1st stage intermediate pressure (IP) is too high or the second stage valve seat is missing, set screw is too loose, seat is damaged or has debris on it. If the free flow gradually increases under pressure it usually indicates a damaged 1st stage valve seat. A trained Mares Tech with the correct tools and genuine parts would be the best solution.

Aug 19, 2011 | Mares Rebel 12 Regulator

1 Answer

Poor supply air pressure


3 stage? It sounds like the first stage has a leaking valve, possibly second stage also - this would explain both the high temperature in stage 1 and the poor pressure from the final stage. Take a look at page 6 of the following link. This is the typical intake and outlet valve diagram for each stage. Valves #2 are intake valves, and valves #6 and 7 are discharge valves. They all perform like check valves, each valve allowing air flow in only one direction. It sounds like your valves are leaking between 1st and 2nd stages. Possibly debris in the valves, or valves damaged. Try taking air intake filter off and check for damage to air filter and debris at intake. Also try removing valve plates and check for debris/damaged valves on first and second stages.

http://www.irservicenet.com/filestorage/SCD-749_.pdf

May 05, 2010 | Ingersoll Rand - Rand Type - 30...

1 Answer

I need to strip down my s555 regulator to find


Check here:
http://www.frogkick.dk/manuals/scubapro/Manuals/2.%20Stage/

May not have exactly your model, but something very very similar. Also, keep in mind, the second stage will free-flow as an "overpressure safety" if the first stage is malfunctioning. Check your intermediate pressure (should be ~150). If you can't do this, try your second stage on another first stage (any brand), and try another second stage on your first.

If it is for sure your second stage, check for proper adjustment of demand lever, bent/damaged demand lever or diaphragm plate, or damaged valve seat.

Jan 18, 2010 | Scubapro Service Diagrams Scuba Regulator...

1 Answer

How can I keep my 2 stage snowblower in high?


I will assume you are referring to the 2 stages in the front of the machine. The spiral auger rakes are the first stage, they are designed to collect the snow and feed it to the impeller. The impeller is the 2nd stage and is to throw the snow up the chute. The lower rakes in the front do nopt throw snow only collect it.

Jan 09, 2010 | Mtd Garden

2 Answers

Cressi sub ellipse titanium reg is free flowing


Hi. I would suggest having the internal o-rings checked. One of them could be worn, allowing the air to escape. Or put it into your local dive shop for a service.

Apr 06, 2009 | RTO Cressi-Sub Ellipse Titanium/MC7...

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