Troubleshooting - Renfert Vario basic Instrucciones De Uso Originales

15. Accessories
Micro sandblasting tanks
No. 2954-0050 25 - 70 µm, Right
No. 2954-0051 25 - 70 µm, Left
No. 2954-0250 70 - 250 µm, Right
No. 2954-0251 70 - 250 µm, Left
Wand mounting
No. 2960-0001 Wall mounting, incl. 90º extractor
bracket
Extractor bracket
No. 2960-0002 90º extractor bracket
Protective grate
No. 2960-0003 Protective grate for the viewing
pane
Blasting nozzle
No. 90003-5520 Borocarbide nozzle
Abrasive

16. Troubleshooting

Problem Possible cause
No air and no • Nozzle blocked.
abrasive
• Nozzle blocked at grip and/or blast-
ing hose blocked.
• Kink(s) in the foot switch connector
hose.
• Switch set to intermediate position.
• Pressure set too low.
Air only and no
• Dirty or moist abrasive.
or very little abra-
• Insufficient abrasive in the unit.
sive
• Intake hose blocked.
• Problems with the additional tank.
Cobra Aluminium oxide
No. 1594-1105 25 µm [500 mesh],
white 5 kg canister
No. 1594-1205 50 µm [270 mesh],
white 5 kg canister
No. 1594-2220 50 µm [270 mesh],
white 20 kg bucket
No. 1584-1005 90 µm [170 mesh],
white 5 kg canister
No. 1583-1005 110 µm [150 mesh],
white 5 kg canister
No. 1583-1020 110 µm [150 mesh],
white 20 kg bucket
No. 1587-1005 125 µm [115 mesh],
pink 5 kg canister
No. 1587-1020 125 µm [115 mesh],
pink 20 kg bucket
No. 1585-1005 250 µm [60 mesh],
white 5 kg canister
No. 1585-1020 250 µm [60 mesh],
white 20 kg bucket
Rolloblast glass beads
No. 1594-1305 50 µm [400 - 200 mesh],
5 kg canister
No. 1594-2312 50 µm [400 - 200 mesh],
12.5 kg canister
No. 1589-1005 100 µm [170 - 100 mesh],
5 kg canister
Corrective action
• Open the blasting nozzle unit and clean the noz-
zle (Figure 23, 24, 25).
• Unscrew the nozzle from the handle and blow it
out with compressed air. Without reconnecting
the nozzle, activate the foot switch to blow com-
pressed air through the hose.
• Inspect and correct the connecting hoses.
• Turn the switch until you feel it click into place.
• Open the pressure regulator further (recom-
mended pressure: 4 - 5 bar).
• Replace the abrasive.
• Add abrasive.
• Check that the intake hose is not kinked /
pinched / blocked. The intake hose must be se-
curely attached to the unit base (Figure 7).
• Refer to "Additional tank - Mounting instruc-
tions", No. 21-9774.
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EN