CONTRACOR
®
Version 4.2
28
6.8 Blockage in media hose
6.8.1
Media obstructions. Usually caused when the media mixture is too rich. Adjust
media/air mixture per. Section 4.3.3.
6.8.2
Wet or damp media. See Section 3.5.
6.9 Media surge
6.9.1
Heavy media flow. Adjust per Section 6.3.
6.10 Poor suction in media hose
6.10.1
Inadequate air supply. Check the table 3.1.
6.10.2
Air jet needs adjustment. Check adjustment per Section 4.3.2.
6.10.3
Nozzle worn. Replace if worn 2mm or more.
6.10.4
Blockage in media hose or nozzle. See Section 4.3
.
6.10.5
Wrong size combination of air jet and nozzle. See table 3.1.
6.10.6
Air jet sleeve extends past end of air jet. Cut the sleeve to align with the air jet.
6.11 Blow-back through media hose
6.11.1
Blockage in nozzle. Remove the nozzle and check blockage.
6.11.2
Air jet may be too large for nozzle. See table 3.1.
6.12 Static shocks
6.12.1
Cabinet and/or operator not grounded. Abrasive blasting creates static
electricity. The cabinet must be grounded to prevent static build-up. See Sections 4.1. If
shocks persist, the operator may be building up static. Attach a small ground wire (such as a
wrist strap) from the operator to the cabinet.
6.12.2
Avoid holding parts off the grating. Static will buildup in the part if not dissipated
through the metal cabinet.
6.13 Dust leaking from dust collector
6.13.1
Damaged or loose cartridge. Inspect filter cartridge.
6.13.2
Faulty seal on the dust collector door. Inspect seal and replace if damaged.
