Contracor CAB-135P [31/144] Plugged nozzle

CONTRACOR

CAB-110P/CAB-135P Art. 10215205/10215206

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 rectied 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.

6.8. Blast Machine Will Not Pressurize

6.8.1 Ensure that the air compressor is on and the air supply valve is in the open position.

6.8.2 Check that the air pressure regulator is set above 3 bar.

6.8.3 Door interlocks do not engage. To adjust door interlocks, refer to Section 4.3.5.

6.8.4 Ensure diaphragm in outlet valve is not worn.

6.8.5 Check wear and alignment on pop-up valve and O-ring.

6.8.6 Blocked or leaking control lines. Verify integrity of all ttings and tubing.