Contractor 15205, Instructions Manual

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ENGLISH
CONTRACOR
®
CAB-110P/CAB-135P Art. 15205/15206 27
media valve adjustment according to Section 4.3.2.
6.3.5 Worn out nozzle. Examine and replace if damaged or worn out.
6.3.6 Worn out blast hose. Inspect the hose for leaks and soft spots. Replace if
damaged or worn out.
6.3.7 The blast media is damp. Frequent bridges or blockage near the metering valve
can be caused by moisture. Refer to Section 5.1.4.
6.4. Plugged nozzle
6.4.1
A damaged or missing reclaimer screen will allow large particles to pass and
block the nozzle. Replace or re-install as necessary.
6.4.2 Media mixture too rich. Adjust media/air mixture per Section 4.3.2.
6.5. Air only (no media) comes out the nozzle
6.5.1
Ensure that media is in the machine.
6.5.2 Check that the media metering valve is not in the fully right position.
6.5.3 Check that the metering valve is not blocked by fully opening the metering valve
and closing the choke. Depress foot pedal to exhaust any obstacles. Should the problem not
be rectified by this procedure, release pressure in the machine and open metering valve and
check for foreign objects.
6.5.4 Ensure that the tubing leading to the diaphragm outlet valve is not blocked or leaking.
6.5.5 Media metering valve requires service. Refer to metering valve operating manual.
6.6. Neither media nor air comes out the nozzle
6.6.1 Release pressure in the machine and check for obstruction in the nozzle.
6.6.2 Check that that blast machine is pressurized by depressing the foot pedal. Is this
is not the case, refer to Section 6.8.
6.6.3 Ensure that metering valve and choke are opened.
6.7. Blasting does not Stop when the Pedal is Released
6.7.1 Air should be exhausted by the 3-way valve in the pedal when released. Should
this not be the case, inspect tubing for obstructions and inspect switches.